mirror of
https://github.com/django/django.git
synced 2025-10-26 23:26:08 +00:00
bff446c205
Thanks Mark Tranchant for the report and Tim Graham for the test and
review.
Backport of a9e29fae10 from master
1841 lines
95 KiB
Python
1841 lines
95 KiB
Python
# -*- coding: utf-8 -*-
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from django.conf import settings
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from django.contrib.auth.models import AbstractBaseUser
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from django.db import connection, models
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from django.db.migrations.autodetector import MigrationAutodetector
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from django.db.migrations.graph import MigrationGraph
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from django.db.migrations.loader import MigrationLoader
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from django.db.migrations.questioner import MigrationQuestioner
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from django.db.migrations.state import ModelState, ProjectState
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from django.test import TestCase, mock, override_settings
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from .models import FoodManager, FoodQuerySet
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class DeconstructableObject(object):
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"""
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A custom deconstructable object.
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"""
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def deconstruct(self):
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return self.__module__ + '.' + self.__class__.__name__, [], {}
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class AutodetectorTests(TestCase):
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"""
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Tests the migration autodetector.
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"""
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author_empty = ModelState("testapp", "Author", [("id", models.AutoField(primary_key=True))])
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author_name = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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])
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author_name_null = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200, null=True)),
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])
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author_name_longer = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=400)),
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])
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author_name_renamed = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("names", models.CharField(max_length=200)),
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])
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author_name_default = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200, default='Ada Lovelace')),
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])
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author_name_deconstructable_1 = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200, default=DeconstructableObject())),
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])
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author_name_deconstructable_2 = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200, default=DeconstructableObject())),
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])
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author_name_deconstructable_3 = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200, default=models.IntegerField())),
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])
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author_name_deconstructable_4 = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200, default=models.IntegerField())),
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])
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author_custom_pk = ModelState("testapp", "Author", [("pk_field", models.IntegerField(primary_key=True))])
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author_with_biography_non_blank = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField()),
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("biography", models.TextField()),
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])
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author_with_biography_blank = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(blank=True)),
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("biography", models.TextField(blank=True)),
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])
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author_with_book = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("book", models.ForeignKey("otherapp.Book")),
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])
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author_with_book_order_wrt = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("book", models.ForeignKey("otherapp.Book")),
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], options={"order_with_respect_to": "book"})
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author_renamed_with_book = ModelState("testapp", "Writer", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("book", models.ForeignKey("otherapp.Book")),
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])
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author_with_publisher_string = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("publisher_name", models.CharField(max_length=200)),
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])
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author_with_publisher = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("publisher", models.ForeignKey("testapp.Publisher")),
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])
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author_with_user = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("user", models.ForeignKey("auth.User")),
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])
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author_with_custom_user = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=200)),
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("user", models.ForeignKey("thirdapp.CustomUser")),
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])
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author_proxy = ModelState("testapp", "AuthorProxy", [], {"proxy": True}, ("testapp.author",))
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author_proxy_options = ModelState("testapp", "AuthorProxy", [], {
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"proxy": True,
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"verbose_name": "Super Author",
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}, ("testapp.author", ))
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author_proxy_notproxy = ModelState("testapp", "AuthorProxy", [], {}, ("testapp.author", ))
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author_proxy_third = ModelState("thirdapp", "AuthorProxy", [], {"proxy": True}, ("testapp.author", ))
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author_proxy_proxy = ModelState("testapp", "AAuthorProxyProxy", [], {"proxy": True}, ("testapp.authorproxy", ))
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author_unmanaged = ModelState("testapp", "AuthorUnmanaged", [], {"managed": False}, ("testapp.author", ))
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author_unmanaged_managed = ModelState("testapp", "AuthorUnmanaged", [], {}, ("testapp.author", ))
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author_unmanaged_default_pk = ModelState("testapp", "Author", [("id", models.AutoField(primary_key=True))])
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author_unmanaged_custom_pk = ModelState("testapp", "Author", [
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("pk_field", models.IntegerField(primary_key=True)),
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])
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author_with_m2m = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("publishers", models.ManyToManyField("testapp.Publisher")),
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])
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author_with_m2m_blank = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("publishers", models.ManyToManyField("testapp.Publisher", blank=True)),
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])
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author_with_m2m_through = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("publishers", models.ManyToManyField("testapp.Publisher", through="testapp.Contract")),
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])
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author_with_former_m2m = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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("publishers", models.CharField(max_length=100)),
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])
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author_with_options = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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], {
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"permissions": [('can_hire', 'Can hire')],
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"verbose_name": "Authi",
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})
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author_with_db_table_options = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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], {"db_table": "author_one"})
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author_with_new_db_table_options = ModelState("testapp", "Author", [
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("id", models.AutoField(primary_key=True)),
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], {"db_table": "author_two"})
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author_renamed_with_db_table_options = ModelState("testapp", "NewAuthor", [
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("id", models.AutoField(primary_key=True)),
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], {"db_table": "author_one"})
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author_renamed_with_new_db_table_options = ModelState("testapp", "NewAuthor", [
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("id", models.AutoField(primary_key=True)),
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], {"db_table": "author_three"})
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contract = ModelState("testapp", "Contract", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Author")),
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("publisher", models.ForeignKey("testapp.Publisher")),
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])
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publisher = ModelState("testapp", "Publisher", [
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("id", models.AutoField(primary_key=True)),
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("name", models.CharField(max_length=100)),
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])
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publisher_with_author = ModelState("testapp", "Publisher", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Author")),
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("name", models.CharField(max_length=100)),
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])
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publisher_with_aardvark_author = ModelState("testapp", "Publisher", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Aardvark")),
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("name", models.CharField(max_length=100)),
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])
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publisher_with_book = ModelState("testapp", "Publisher", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("otherapp.Book")),
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("name", models.CharField(max_length=100)),
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])
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other_pony = ModelState("otherapp", "Pony", [
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("id", models.AutoField(primary_key=True)),
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])
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other_pony_food = ModelState("otherapp", "Pony", [
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("id", models.AutoField(primary_key=True)),
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], managers=[
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('food_qs', FoodQuerySet.as_manager()),
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('food_mgr', FoodManager('a', 'b')),
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('food_mgr_kwargs', FoodManager('x', 'y', 3, 4)),
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])
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other_stable = ModelState("otherapp", "Stable", [("id", models.AutoField(primary_key=True))])
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third_thing = ModelState("thirdapp", "Thing", [("id", models.AutoField(primary_key=True))])
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book = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Author")),
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("title", models.CharField(max_length=200)),
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])
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book_proxy_fk = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("thirdapp.AuthorProxy")),
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("title", models.CharField(max_length=200)),
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])
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book_migrations_fk = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("migrations.UnmigratedModel")),
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("title", models.CharField(max_length=200)),
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])
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book_with_no_author = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("title", models.CharField(max_length=200)),
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])
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book_with_author_renamed = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Writer")),
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("title", models.CharField(max_length=200)),
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])
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book_with_field_and_author_renamed = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("writer", models.ForeignKey("testapp.Writer")),
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("title", models.CharField(max_length=200)),
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])
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book_with_multiple_authors = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("authors", models.ManyToManyField("testapp.Author")),
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("title", models.CharField(max_length=200)),
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])
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book_with_multiple_authors_through_attribution = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("authors", models.ManyToManyField("testapp.Author", through="otherapp.Attribution")),
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("title", models.CharField(max_length=200)),
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])
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book_foo_together = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Author")),
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("title", models.CharField(max_length=200)),
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], {
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"index_together": {("author", "title")},
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"unique_together": {("author", "title")},
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})
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book_foo_together_2 = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Author")),
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("title", models.CharField(max_length=200)),
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], {
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"index_together": {("title", "author")},
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"unique_together": {("title", "author")},
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})
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book_foo_together_3 = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("newfield", models.IntegerField()),
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("author", models.ForeignKey("testapp.Author")),
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("title", models.CharField(max_length=200)),
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], {
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"index_together": {("title", "newfield")},
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"unique_together": {("title", "newfield")},
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})
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book_foo_together_4 = ModelState("otherapp", "Book", [
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("id", models.AutoField(primary_key=True)),
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("newfield2", models.IntegerField()),
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("author", models.ForeignKey("testapp.Author")),
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("title", models.CharField(max_length=200)),
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], {
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"index_together": {("title", "newfield2")},
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"unique_together": {("title", "newfield2")},
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})
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attribution = ModelState("otherapp", "Attribution", [
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("id", models.AutoField(primary_key=True)),
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("author", models.ForeignKey("testapp.Author")),
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("book", models.ForeignKey("otherapp.Book")),
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])
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edition = ModelState("thirdapp", "Edition", [
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("id", models.AutoField(primary_key=True)),
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("book", models.ForeignKey("otherapp.Book")),
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])
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custom_user = ModelState("thirdapp", "CustomUser", [
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("id", models.AutoField(primary_key=True)),
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("username", models.CharField(max_length=255)),
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], bases=(AbstractBaseUser, ))
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custom_user_no_inherit = ModelState("thirdapp", "CustomUser", [
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("id", models.AutoField(primary_key=True)),
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("username", models.CharField(max_length=255)),
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])
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aardvark = ModelState("thirdapp", "Aardvark", [("id", models.AutoField(primary_key=True))])
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aardvark_testapp = ModelState("testapp", "Aardvark", [("id", models.AutoField(primary_key=True))])
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aardvark_based_on_author = ModelState("testapp", "Aardvark", [], bases=("testapp.Author", ))
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aardvark_pk_fk_author = ModelState("testapp", "Aardvark", [
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("id", models.OneToOneField("testapp.Author", primary_key=True)),
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])
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knight = ModelState("eggs", "Knight", [("id", models.AutoField(primary_key=True))])
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rabbit = ModelState("eggs", "Rabbit", [
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("id", models.AutoField(primary_key=True)),
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("knight", models.ForeignKey("eggs.Knight")),
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("parent", models.ForeignKey("eggs.Rabbit")),
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], {"unique_together": {("parent", "knight")}})
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def repr_changes(self, changes, include_dependencies=False):
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output = ""
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for app_label, migrations in sorted(changes.items()):
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output += " %s:\n" % app_label
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for migration in migrations:
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output += " %s\n" % migration.name
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for operation in migration.operations:
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output += " %s\n" % operation
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if include_dependencies:
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output += " Dependencies:\n"
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if migration.dependencies:
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for dep in migration.dependencies:
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output += " %s\n" % (dep,)
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else:
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output += " None\n"
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return output
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def assertNumberMigrations(self, changes, app_label, number):
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if len(changes.get(app_label, [])) != number:
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self.fail("Incorrect number of migrations (%s) for %s (expected %s)\n%s" % (
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len(changes.get(app_label, [])),
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app_label,
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number,
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self.repr_changes(changes),
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))
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def assertMigrationDependencies(self, changes, app_label, index, dependencies):
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if not changes.get(app_label):
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self.fail("No migrations found for %s\n%s" % (app_label, self.repr_changes(changes)))
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if len(changes[app_label]) < index + 1:
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self.fail("No migration at index %s for %s\n%s" % (index, app_label, self.repr_changes(changes)))
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migration = changes[app_label][index]
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if set(migration.dependencies) != set(dependencies):
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self.fail("Migration dependencies mismatch for %s.%s (expected %s):\n%s" % (
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app_label,
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migration.name,
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dependencies,
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self.repr_changes(changes, include_dependencies=True),
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))
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def assertOperationTypes(self, changes, app_label, index, types):
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if not changes.get(app_label):
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self.fail("No migrations found for %s\n%s" % (app_label, self.repr_changes(changes)))
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if len(changes[app_label]) < index + 1:
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self.fail("No migration at index %s for %s\n%s" % (index, app_label, self.repr_changes(changes)))
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migration = changes[app_label][index]
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real_types = [operation.__class__.__name__ for operation in migration.operations]
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if types != real_types:
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self.fail("Operation type mismatch for %s.%s (expected %s):\n%s" % (
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app_label,
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migration.name,
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types,
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self.repr_changes(changes),
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))
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def assertOperationAttributes(self, changes, app_label, index, operation_index, **attrs):
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if not changes.get(app_label):
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self.fail("No migrations found for %s\n%s" % (app_label, self.repr_changes(changes)))
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if len(changes[app_label]) < index + 1:
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self.fail("No migration at index %s for %s\n%s" % (index, app_label, self.repr_changes(changes)))
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migration = changes[app_label][index]
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if len(changes[app_label]) < index + 1:
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self.fail("No operation at index %s for %s.%s\n%s" % (
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operation_index,
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app_label,
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migration.name,
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self.repr_changes(changes),
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))
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operation = migration.operations[operation_index]
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for attr, value in attrs.items():
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if getattr(operation, attr, None) != value:
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self.fail("Attribute mismatch for %s.%s op #%s, %s (expected %r, got %r):\n%s" % (
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app_label,
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migration.name,
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operation_index,
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attr,
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value,
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getattr(operation, attr, None),
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self.repr_changes(changes),
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))
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def assertOperationFieldAttributes(self, changes, app_label, index, operation_index, **attrs):
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if not changes.get(app_label):
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self.fail("No migrations found for %s\n%s" % (app_label, self.repr_changes(changes)))
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if len(changes[app_label]) < index + 1:
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self.fail("No migration at index %s for %s\n%s" % (index, app_label, self.repr_changes(changes)))
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migration = changes[app_label][index]
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if len(changes[app_label]) < index + 1:
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self.fail("No operation at index %s for %s.%s\n%s" % (
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operation_index,
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app_label,
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migration.name,
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self.repr_changes(changes),
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))
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operation = migration.operations[operation_index]
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if not hasattr(operation, 'field'):
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self.fail("No field attribute for %s.%s op #%s." % (
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app_label,
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migration.name,
|
|
operation_index,
|
|
))
|
|
field = operation.field
|
|
for attr, value in attrs.items():
|
|
if getattr(field, attr, None) != value:
|
|
self.fail("Field attribute mismatch for %s.%s op #%s, field.%s (expected %r, got %r):\n%s" % (
|
|
app_label,
|
|
migration.name,
|
|
operation_index,
|
|
attr,
|
|
value,
|
|
getattr(field, attr, None),
|
|
self.repr_changes(changes),
|
|
))
|
|
|
|
def make_project_state(self, model_states):
|
|
"Shortcut to make ProjectStates from lists of predefined models"
|
|
project_state = ProjectState()
|
|
for model_state in model_states:
|
|
project_state.add_model(model_state.clone())
|
|
return project_state
|
|
|
|
def test_arrange_for_graph(self):
|
|
"""Tests auto-naming of migrations for graph matching."""
|
|
# Make a fake graph
|
|
graph = MigrationGraph()
|
|
graph.add_node(("testapp", "0001_initial"), None)
|
|
graph.add_node(("testapp", "0002_foobar"), None)
|
|
graph.add_node(("otherapp", "0001_initial"), None)
|
|
graph.add_dependency("testapp.0002_foobar", ("testapp", "0002_foobar"), ("testapp", "0001_initial"))
|
|
graph.add_dependency("testapp.0002_foobar", ("testapp", "0002_foobar"), ("otherapp", "0001_initial"))
|
|
# Use project state to make a new migration change set
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_empty, self.other_pony, self.other_stable])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Run through arrange_for_graph
|
|
changes = autodetector.arrange_for_graph(changes, graph)
|
|
# Make sure there's a new name, deps match, etc.
|
|
self.assertEqual(changes["testapp"][0].name, "0003_author")
|
|
self.assertEqual(changes["testapp"][0].dependencies, [("testapp", "0002_foobar")])
|
|
self.assertEqual(changes["otherapp"][0].name, "0002_pony_stable")
|
|
self.assertEqual(changes["otherapp"][0].dependencies, [("otherapp", "0001_initial")])
|
|
|
|
def test_trim_apps(self):
|
|
"""
|
|
Tests that trim does not remove dependencies but does remove unwanted
|
|
apps.
|
|
"""
|
|
# Use project state to make a new migration change set
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_empty, self.other_pony, self.other_stable, self.third_thing])
|
|
autodetector = MigrationAutodetector(before, after, MigrationQuestioner(defaults={"ask_initial": True}))
|
|
changes = autodetector._detect_changes()
|
|
# Run through arrange_for_graph
|
|
graph = MigrationGraph()
|
|
changes = autodetector.arrange_for_graph(changes, graph)
|
|
changes["testapp"][0].dependencies.append(("otherapp", "0001_initial"))
|
|
changes = autodetector._trim_to_apps(changes, {"testapp"})
|
|
# Make sure there's the right set of migrations
|
|
self.assertEqual(changes["testapp"][0].name, "0001_initial")
|
|
self.assertEqual(changes["otherapp"][0].name, "0001_initial")
|
|
self.assertNotIn("thirdapp", changes)
|
|
|
|
def test_custom_migration_name(self):
|
|
"""Tests custom naming of migrations for graph matching."""
|
|
# Make a fake graph
|
|
graph = MigrationGraph()
|
|
graph.add_node(("testapp", "0001_initial"), None)
|
|
graph.add_node(("testapp", "0002_foobar"), None)
|
|
graph.add_node(("otherapp", "0001_initial"), None)
|
|
graph.add_dependency("testapp.0002_foobar", ("testapp", "0002_foobar"), ("testapp", "0001_initial"))
|
|
|
|
# Use project state to make a new migration change set
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_empty, self.other_pony, self.other_stable])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
|
|
# Run through arrange_for_graph
|
|
migration_name = 'custom_name'
|
|
changes = autodetector.arrange_for_graph(changes, graph, migration_name)
|
|
|
|
# Make sure there's a new name, deps match, etc.
|
|
self.assertEqual(changes["testapp"][0].name, "0003_%s" % migration_name)
|
|
self.assertEqual(changes["testapp"][0].dependencies, [("testapp", "0002_foobar")])
|
|
self.assertEqual(changes["otherapp"][0].name, "0002_%s" % migration_name)
|
|
self.assertEqual(changes["otherapp"][0].dependencies, [("otherapp", "0001_initial")])
|
|
|
|
def test_new_model(self):
|
|
"""Tests autodetection of new models."""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.other_pony_food])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="Pony")
|
|
self.assertEqual([name for name, mgr in changes['otherapp'][0].operations[0].managers],
|
|
['food_qs', 'food_mgr', 'food_mgr_kwargs'])
|
|
|
|
def test_old_model(self):
|
|
"""Tests deletion of old models."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["DeleteModel"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="Author")
|
|
|
|
def test_add_field(self):
|
|
"""Tests autodetection of new fields."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_name])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="name")
|
|
|
|
def test_remove_field(self):
|
|
"""Tests autodetection of removed fields."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_name])
|
|
after = self.make_project_state([self.author_empty])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RemoveField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="name")
|
|
|
|
def test_alter_field(self):
|
|
"""Tests autodetection of new fields."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_name])
|
|
after = self.make_project_state([self.author_name_longer])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="name", preserve_default=True)
|
|
|
|
def test_alter_field_to_not_null_with_default(self):
|
|
"""
|
|
#23609 - Tests autodetection of nullable to non-nullable alterations.
|
|
"""
|
|
class CustomQuestioner(MigrationQuestioner):
|
|
def ask_not_null_alteration(self, field_name, model_name):
|
|
raise Exception("Should not have prompted for not null addition")
|
|
|
|
# Make state
|
|
before = self.make_project_state([self.author_name_null])
|
|
after = self.make_project_state([self.author_name_default])
|
|
autodetector = MigrationAutodetector(before, after, CustomQuestioner())
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="name", preserve_default=True)
|
|
self.assertOperationFieldAttributes(changes, "testapp", 0, 0, default='Ada Lovelace')
|
|
|
|
def test_alter_field_to_not_null_without_default(self):
|
|
"""
|
|
#23609 - Tests autodetection of nullable to non-nullable alterations.
|
|
"""
|
|
class CustomQuestioner(MigrationQuestioner):
|
|
def ask_not_null_alteration(self, field_name, model_name):
|
|
# Ignore for now, and let me handle existing rows with NULL
|
|
# myself (e.g. adding a RunPython or RunSQL operation in the new
|
|
# migration file before the AlterField operation)
|
|
return models.NOT_PROVIDED
|
|
|
|
# Make state
|
|
before = self.make_project_state([self.author_name_null])
|
|
after = self.make_project_state([self.author_name])
|
|
autodetector = MigrationAutodetector(before, after, CustomQuestioner())
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="name", preserve_default=True)
|
|
self.assertOperationFieldAttributes(changes, "testapp", 0, 0, default=models.NOT_PROVIDED)
|
|
|
|
def test_alter_field_to_not_null_oneoff_default(self):
|
|
"""
|
|
#23609 - Tests autodetection of nullable to non-nullable alterations.
|
|
"""
|
|
class CustomQuestioner(MigrationQuestioner):
|
|
def ask_not_null_alteration(self, field_name, model_name):
|
|
# Provide a one-off default now (will be set on all existing rows)
|
|
return 'Some Name'
|
|
|
|
# Make state
|
|
before = self.make_project_state([self.author_name_null])
|
|
after = self.make_project_state([self.author_name])
|
|
autodetector = MigrationAutodetector(before, after, CustomQuestioner())
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="name", preserve_default=False)
|
|
self.assertOperationFieldAttributes(changes, "testapp", 0, 0, default="Some Name")
|
|
|
|
def test_rename_field(self):
|
|
"""Tests autodetection of renamed fields."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_name])
|
|
after = self.make_project_state([self.author_name_renamed])
|
|
autodetector = MigrationAutodetector(before, after, MigrationQuestioner({"ask_rename": True}))
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RenameField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, old_name="name", new_name="names")
|
|
|
|
def test_rename_model(self):
|
|
"""Tests autodetection of renamed models."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_book, self.book])
|
|
after = self.make_project_state([self.author_renamed_with_book, self.book_with_author_renamed])
|
|
autodetector = MigrationAutodetector(before, after, MigrationQuestioner({"ask_rename_model": True}))
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RenameModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, old_name="Author", new_name="Writer")
|
|
# Now that RenameModel handles related fields too, there should be
|
|
# no AlterField for the related field.
|
|
self.assertNumberMigrations(changes, 'otherapp', 0)
|
|
|
|
def test_rename_model_with_renamed_rel_field(self):
|
|
"""
|
|
Tests autodetection of renamed models while simultaneously renaming one
|
|
of the fields that relate to the renamed model.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_book, self.book])
|
|
after = self.make_project_state([self.author_renamed_with_book, self.book_with_field_and_author_renamed])
|
|
autodetector = MigrationAutodetector(before, after, MigrationQuestioner({
|
|
"ask_rename": True,
|
|
"ask_rename_model": True,
|
|
}))
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RenameModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, old_name="Author", new_name="Writer")
|
|
# Right number/type of migrations for related field rename?
|
|
# Alter is already taken care of.
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["RenameField"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, old_name="author", new_name="writer")
|
|
|
|
def test_fk_dependency(self):
|
|
"""Tests that having a ForeignKey automatically adds a dependency."""
|
|
# Make state
|
|
# Note that testapp (author) has no dependencies,
|
|
# otherapp (book) depends on testapp (author),
|
|
# thirdapp (edition) depends on otherapp (book)
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_name, self.book, self.edition])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="Book")
|
|
self.assertMigrationDependencies(changes, 'otherapp', 0, [("testapp", "auto_1")])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'thirdapp', 1)
|
|
self.assertOperationTypes(changes, 'thirdapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'thirdapp', 0, 0, name="Edition")
|
|
self.assertMigrationDependencies(changes, 'thirdapp', 0, [("otherapp", "auto_1")])
|
|
|
|
def test_proxy_fk_dependency(self):
|
|
"""Tests that FK dependencies still work on proxy models."""
|
|
# Make state
|
|
# Note that testapp (author) has no dependencies,
|
|
# otherapp (book) depends on testapp (authorproxy)
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_empty, self.author_proxy_third, self.book_proxy_fk])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="Book")
|
|
self.assertMigrationDependencies(changes, 'otherapp', 0, [("thirdapp", "auto_1")])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'thirdapp', 1)
|
|
self.assertOperationTypes(changes, 'thirdapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'thirdapp', 0, 0, name="AuthorProxy")
|
|
self.assertMigrationDependencies(changes, 'thirdapp', 0, [("testapp", "auto_1")])
|
|
|
|
def test_same_app_no_fk_dependency(self):
|
|
"""
|
|
Tests that a migration with a FK between two models of the same app
|
|
does not have a dependency to itself.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_with_publisher, self.publisher])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel", "AddField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="Publisher")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 2, name="publisher")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [])
|
|
|
|
def test_circular_fk_dependency(self):
|
|
"""
|
|
Tests that having a circular ForeignKey dependency automatically
|
|
resolves the situation into 2 migrations on one side and 1 on the other.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_with_book, self.book, self.publisher_with_book])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="Publisher")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [("otherapp", "auto_1")])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 2)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["CreateModel"])
|
|
self.assertOperationTypes(changes, 'otherapp', 1, ["AddField"])
|
|
self.assertMigrationDependencies(changes, 'otherapp', 0, [])
|
|
self.assertMigrationDependencies(changes, 'otherapp', 1, [("otherapp", "auto_1"), ("testapp", "auto_1")])
|
|
|
|
def test_same_app_circular_fk_dependency(self):
|
|
"""
|
|
Tests that a migration with a FK between two models of the same app does
|
|
not have a dependency to itself.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_with_publisher, self.publisher_with_author])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel", "AddField"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="Publisher")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 2, name="publisher")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [])
|
|
|
|
def test_same_app_circular_fk_dependency_and_unique_together(self):
|
|
"""
|
|
#22275 - Tests that a migration with circular FK dependency does not try
|
|
to create unique together constraint before creating all required fields
|
|
first.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.knight, self.rabbit])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'eggs', 1)
|
|
self.assertOperationTypes(changes, 'eggs', 0, ["CreateModel", "CreateModel", "AlterUniqueTogether"])
|
|
self.assertNotIn("unique_together", changes['eggs'][0].operations[0].options)
|
|
self.assertNotIn("unique_together", changes['eggs'][0].operations[1].options)
|
|
self.assertMigrationDependencies(changes, 'eggs', 0, [])
|
|
|
|
def test_alter_db_table_add(self):
|
|
"""Tests detection for adding db_table in model's options."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_with_db_table_options])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterModelTable"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="author", table="author_one")
|
|
|
|
def test_alter_db_table_change(self):
|
|
"""Tests detection for changing db_table in model's options'."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_db_table_options])
|
|
after = self.make_project_state([self.author_with_new_db_table_options])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterModelTable"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="author", table="author_two")
|
|
|
|
def test_alter_db_table_remove(self):
|
|
"""Tests detection for removing db_table in model's options."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_db_table_options])
|
|
after = self.make_project_state([self.author_empty])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterModelTable"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="author", table=None)
|
|
|
|
def test_alter_db_table_no_changes(self):
|
|
"""
|
|
Tests that alter_db_table doesn't generate a migration if no changes
|
|
have been made.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_db_table_options])
|
|
after = self.make_project_state([self.author_with_db_table_options])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number of migrations?
|
|
self.assertEqual(len(changes), 0)
|
|
|
|
def test_keep_db_table_with_model_change(self):
|
|
"""
|
|
Tests when model changes but db_table stays as-is, autodetector must not
|
|
create more than one operation.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_db_table_options])
|
|
after = self.make_project_state([self.author_renamed_with_db_table_options])
|
|
autodetector = MigrationAutodetector(
|
|
before, after, MigrationQuestioner({"ask_rename_model": True})
|
|
)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RenameModel"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, old_name="Author", new_name="NewAuthor")
|
|
|
|
def test_alter_db_table_with_model_change(self):
|
|
"""
|
|
Tests when model and db_table changes, autodetector must create two
|
|
operations.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_db_table_options])
|
|
after = self.make_project_state([self.author_renamed_with_new_db_table_options])
|
|
autodetector = MigrationAutodetector(
|
|
before, after, MigrationQuestioner({"ask_rename_model": True})
|
|
)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RenameModel", "AlterModelTable"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, old_name="Author", new_name="NewAuthor")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="newauthor", table="author_three")
|
|
|
|
def test_empty_foo_together(self):
|
|
"""
|
|
#23452 - Empty unique/index_together shouldn't generate a migration.
|
|
"""
|
|
# Explicitly testing for not specified, since this is the case after
|
|
# a CreateModel operation w/o any definition on the original model
|
|
model_state_not_secified = ModelState("a", "model", [("id", models.AutoField(primary_key=True))])
|
|
# Explicitly testing for None, since this was the issue in #23452 after
|
|
# a AlterFooTogether operation with e.g. () as value
|
|
model_state_none = ModelState("a", "model", [
|
|
("id", models.AutoField(primary_key=True))
|
|
], {
|
|
"index_together": None,
|
|
"unique_together": None,
|
|
})
|
|
# Explicitly testing for the empty set, since we now always have sets.
|
|
# During removal (('col1', 'col2'),) --> () this becomes set([])
|
|
model_state_empty = ModelState("a", "model", [
|
|
("id", models.AutoField(primary_key=True))
|
|
], {
|
|
"index_together": set(),
|
|
"unique_together": set(),
|
|
})
|
|
|
|
def test(from_state, to_state, msg):
|
|
before = self.make_project_state([from_state])
|
|
after = self.make_project_state([to_state])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
if len(changes) > 0:
|
|
ops = ', '.join(o.__class__.__name__ for o in changes['a'][0].operations)
|
|
self.fail('Created operation(s) %s from %s' % (ops, msg))
|
|
|
|
tests = (
|
|
(model_state_not_secified, model_state_not_secified, '"not specified" to "not specified"'),
|
|
(model_state_not_secified, model_state_none, '"not specified" to "None"'),
|
|
(model_state_not_secified, model_state_empty, '"not specified" to "empty"'),
|
|
(model_state_none, model_state_not_secified, '"None" to "not specified"'),
|
|
(model_state_none, model_state_none, '"None" to "None"'),
|
|
(model_state_none, model_state_empty, '"None" to "empty"'),
|
|
(model_state_empty, model_state_not_secified, '"empty" to "not specified"'),
|
|
(model_state_empty, model_state_none, '"empty" to "None"'),
|
|
(model_state_empty, model_state_empty, '"empty" to "empty"'),
|
|
)
|
|
|
|
for t in tests:
|
|
test(*t)
|
|
|
|
def test_add_foo_together(self):
|
|
"""Tests index/unique_together detection."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty, self.book])
|
|
after = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["AlterUniqueTogether", "AlterIndexTogether"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together={("author", "title")})
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together={("author", "title")})
|
|
|
|
def test_remove_foo_together(self):
|
|
"""Tests index/unique_together detection."""
|
|
before = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
after = self.make_project_state([self.author_empty, self.book])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["AlterUniqueTogether", "AlterIndexTogether"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together=set())
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together=set())
|
|
|
|
def test_foo_together_remove_fk(self):
|
|
"""Tests unique_together and field removal detection & ordering"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
after = self.make_project_state([self.author_empty, self.book_with_no_author])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, [
|
|
"AlterUniqueTogether", "AlterIndexTogether", "RemoveField"
|
|
])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together=set())
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together=set())
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 2, model_name="book", name="author")
|
|
|
|
def test_foo_together_no_changes(self):
|
|
"""
|
|
Tests that index/unique_together doesn't generate a migration if no
|
|
changes have been made.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
after = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number of migrations?
|
|
self.assertEqual(len(changes), 0)
|
|
|
|
def test_foo_together_ordering(self):
|
|
"""
|
|
Tests that index/unique_together also triggers on ordering changes.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
after = self.make_project_state([self.author_empty, self.book_foo_together_2])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["AlterUniqueTogether", "AlterIndexTogether"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together={("title", "author")})
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together={("title", "author")})
|
|
|
|
def test_add_field_and_foo_together(self):
|
|
"""
|
|
Tests that added fields will be created before using them in
|
|
index/unique_together.
|
|
"""
|
|
before = self.make_project_state([self.author_empty, self.book])
|
|
after = self.make_project_state([self.author_empty, self.book_foo_together_3])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["AddField", "AlterUniqueTogether", "AlterIndexTogether"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", unique_together={("title", "newfield")})
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 2, name="book", index_together={("title", "newfield")})
|
|
|
|
def test_remove_field_and_foo_together(self):
|
|
"""
|
|
Tests that removed fields will be removed after updating
|
|
index/unique_together.
|
|
"""
|
|
before = self.make_project_state([self.author_empty, self.book_foo_together_3])
|
|
after = self.make_project_state([self.author_empty, self.book_foo_together])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["AlterUniqueTogether", "AlterIndexTogether", "RemoveField"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together={("author", "title")})
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together={("author", "title")})
|
|
|
|
def test_rename_field_and_foo_together(self):
|
|
"""
|
|
Tests that removed fields will be removed after updating
|
|
index/unique_together.
|
|
"""
|
|
before = self.make_project_state([self.author_empty, self.book_foo_together_3])
|
|
after = self.make_project_state([self.author_empty, self.book_foo_together_4])
|
|
autodetector = MigrationAutodetector(before, after, MigrationQuestioner({"ask_rename": True}))
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["RenameField", "AlterUniqueTogether", "AlterIndexTogether"])
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", unique_together={
|
|
("title", "newfield2")
|
|
})
|
|
self.assertOperationAttributes(changes, "otherapp", 0, 2, name="book", index_together={("title", "newfield2")})
|
|
|
|
def test_proxy(self):
|
|
"""Tests that the autodetector correctly deals with proxy models."""
|
|
# First, we test adding a proxy model
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_empty, self.author_proxy])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="AuthorProxy", options={"proxy": True})
|
|
|
|
# Now, we test turning a proxy model into a non-proxy model
|
|
# It should delete the proxy then make the real one
|
|
before = self.make_project_state([self.author_empty, self.author_proxy])
|
|
after = self.make_project_state([self.author_empty, self.author_proxy_notproxy])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["DeleteModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="AuthorProxy")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="AuthorProxy", options={})
|
|
|
|
def test_proxy_custom_pk(self):
|
|
"""
|
|
#23415 - The autodetector must correctly deal with custom FK on proxy
|
|
models.
|
|
"""
|
|
# First, we test the default pk field name
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_empty, self.author_proxy_third, self.book_proxy_fk])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# The field name the FK on the book model points to
|
|
self.assertEqual(changes['otherapp'][0].operations[0].fields[2][1].rel.field_name, 'id')
|
|
|
|
# Now, we test the custom pk field name
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_custom_pk, self.author_proxy_third, self.book_proxy_fk])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# The field name the FK on the book model points to
|
|
self.assertEqual(changes['otherapp'][0].operations[0].fields[2][1].rel.field_name, 'pk_field')
|
|
|
|
def test_unmanaged_create(self):
|
|
"""Tests that the autodetector correctly deals with managed models."""
|
|
# First, we test adding an unmanaged model
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_empty, self.author_unmanaged])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0,
|
|
name="AuthorUnmanaged", options={"managed": False})
|
|
|
|
def test_unmanaged_to_managed(self):
|
|
# Now, we test turning an unmanaged model into a managed model
|
|
before = self.make_project_state([self.author_empty, self.author_unmanaged])
|
|
after = self.make_project_state([self.author_empty, self.author_unmanaged_managed])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterModelOptions"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0,
|
|
name="authorunmanaged", options={})
|
|
|
|
def test_managed_to_unmanaged(self):
|
|
# Now, we turn managed to unmanaged.
|
|
before = self.make_project_state([self.author_empty, self.author_unmanaged_managed])
|
|
after = self.make_project_state([self.author_empty, self.author_unmanaged])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["AlterModelOptions"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0,
|
|
name="authorunmanaged", options={"managed": False})
|
|
|
|
def test_unmanaged_custom_pk(self):
|
|
"""
|
|
#23415 - The autodetector must correctly deal with custom FK on
|
|
unmanaged models.
|
|
"""
|
|
# First, we test the default pk field name
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_unmanaged_default_pk, self.book])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# The field name the FK on the book model points to
|
|
self.assertEqual(changes['otherapp'][0].operations[0].fields[2][1].rel.field_name, 'id')
|
|
|
|
# Now, we test the custom pk field name
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_unmanaged_custom_pk, self.book])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# The field name the FK on the book model points to
|
|
self.assertEqual(changes['otherapp'][0].operations[0].fields[2][1].rel.field_name, 'pk_field')
|
|
|
|
@override_settings(AUTH_USER_MODEL="thirdapp.CustomUser")
|
|
def test_swappable(self):
|
|
before = self.make_project_state([self.custom_user])
|
|
after = self.make_project_state([self.custom_user, self.author_with_custom_user])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [("__setting__", "AUTH_USER_MODEL")])
|
|
|
|
def test_swappable_changed(self):
|
|
before = self.make_project_state([self.custom_user, self.author_with_user])
|
|
with override_settings(AUTH_USER_MODEL="thirdapp.CustomUser"):
|
|
after = self.make_project_state([self.custom_user, self.author_with_custom_user])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, model_name="author", name='user')
|
|
fk_field = changes['testapp'][0].operations[0].field
|
|
to_model = '%s.%s' % (fk_field.rel.to._meta.app_label, fk_field.rel.to._meta.object_name)
|
|
self.assertEqual(to_model, 'thirdapp.CustomUser')
|
|
|
|
def test_add_field_with_default(self):
|
|
"""#22030 - Adding a field with a default should work."""
|
|
# Make state
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_name_default])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="name")
|
|
|
|
def test_custom_deconstructable(self):
|
|
"""
|
|
Two instances which deconstruct to the same value aren't considered a
|
|
change.
|
|
"""
|
|
before = self.make_project_state([self.author_name_deconstructable_1])
|
|
after = self.make_project_state([self.author_name_deconstructable_2])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number of migrations?
|
|
self.assertEqual(len(changes), 0)
|
|
|
|
def test_deconstruct_field_kwarg(self):
|
|
"""Field instances are handled correctly by nested deconstruction."""
|
|
before = self.make_project_state([self.author_name_deconstructable_3])
|
|
after = self.make_project_state([self.author_name_deconstructable_4])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
self.assertEqual(changes, {})
|
|
|
|
def test_deconstruct_type(self):
|
|
"""
|
|
#22951 -- Uninstanted classes with deconstruct are correctly returned
|
|
by deep_deconstruct during serialization.
|
|
"""
|
|
author = ModelState(
|
|
"testapp",
|
|
"Author",
|
|
[
|
|
("id", models.AutoField(primary_key=True)),
|
|
("name", models.CharField(
|
|
max_length=200,
|
|
# IntegerField intentionally not instantiated.
|
|
default=models.IntegerField,
|
|
))
|
|
],
|
|
)
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([author])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel"])
|
|
|
|
def test_replace_string_with_foreignkey(self):
|
|
"""
|
|
#22300 - Adding an FK in the same "spot" as a deleted CharField should
|
|
work.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_with_publisher_string])
|
|
after = self.make_project_state([self.author_with_publisher, self.publisher])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "RemoveField", "AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Publisher")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="publisher_name")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 2, name="publisher")
|
|
|
|
def test_foreign_key_removed_before_target_model(self):
|
|
"""
|
|
Removing an FK and the model it targets in the same change must remove
|
|
the FK field before the model to maintain consistency.
|
|
"""
|
|
before = self.make_project_state([self.author_with_publisher, self.publisher])
|
|
after = self.make_project_state([self.author_name]) # removes both the model and FK
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["RemoveField", "DeleteModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="publisher")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="Publisher")
|
|
|
|
def test_add_many_to_many(self):
|
|
"""#22435 - Adding a ManyToManyField should not prompt for a default."""
|
|
class CustomQuestioner(MigrationQuestioner):
|
|
def ask_not_null_addition(self, field_name, model_name):
|
|
raise Exception("Should not have prompted for not null addition")
|
|
|
|
before = self.make_project_state([self.author_empty, self.publisher])
|
|
after = self.make_project_state([self.author_with_m2m, self.publisher])
|
|
autodetector = MigrationAutodetector(before, after, CustomQuestioner())
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="publishers")
|
|
|
|
def test_alter_many_to_many(self):
|
|
before = self.make_project_state([self.author_with_m2m, self.publisher])
|
|
after = self.make_project_state([self.author_with_m2m_blank, self.publisher])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="publishers")
|
|
|
|
def test_create_with_through_model(self):
|
|
"""
|
|
Adding a m2m with a through model and the models that use it should be
|
|
ordered correctly.
|
|
"""
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_with_m2m_through, self.publisher, self.contract])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, [
|
|
"CreateModel", "CreateModel", "CreateModel", "AddField", "AddField"
|
|
])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="Contract")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 2, name="Publisher")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 3, model_name='contract', name='publisher')
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 4, model_name='author', name='publishers')
|
|
|
|
def test_many_to_many_removed_before_through_model(self):
|
|
"""
|
|
Removing a ManyToManyField and the "through" model in the same change
|
|
must remove the field before the model to maintain consistency.
|
|
"""
|
|
before = self.make_project_state([
|
|
self.book_with_multiple_authors_through_attribution, self.author_name, self.attribution
|
|
])
|
|
# Remove both the through model and ManyToMany
|
|
after = self.make_project_state([self.book_with_no_author, self.author_name])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, ["RemoveField", "RemoveField", "RemoveField", "DeleteModel"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="author", model_name='attribution')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 1, name="book", model_name='attribution')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 2, name="authors", model_name='book')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 3, name='Attribution')
|
|
|
|
def test_many_to_many_removed_before_through_model_2(self):
|
|
"""
|
|
Removing a model that contains a ManyToManyField and the "through" model
|
|
in the same change must remove the field before the model to maintain
|
|
consistency.
|
|
"""
|
|
before = self.make_project_state([
|
|
self.book_with_multiple_authors_through_attribution, self.author_name, self.attribution
|
|
])
|
|
# Remove both the through model and ManyToMany
|
|
after = self.make_project_state([self.author_name])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "otherapp", 1)
|
|
self.assertOperationTypes(changes, "otherapp", 0, [
|
|
"RemoveField", "RemoveField", "RemoveField", "DeleteModel", "DeleteModel"
|
|
])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="author", model_name='attribution')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 1, name="book", model_name='attribution')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 2, name="authors", model_name='book')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 3, name='Attribution')
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 4, name='Book')
|
|
|
|
def test_m2m_w_through_multistep_remove(self):
|
|
"""
|
|
A model with a m2m field that specifies a "through" model cannot be
|
|
removed in the same migration as that through model as the schema will
|
|
pass through an inconsistent state. The autodetector should produce two
|
|
migrations to avoid this issue.
|
|
"""
|
|
before = self.make_project_state([self.author_with_m2m_through, self.publisher, self.contract])
|
|
after = self.make_project_state([self.publisher])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, [
|
|
"RemoveField", "RemoveField", "RemoveField", "DeleteModel", "DeleteModel"
|
|
])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="publishers", model_name='author')
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="author", model_name='contract')
|
|
self.assertOperationAttributes(changes, "testapp", 0, 2, name="publisher", model_name='contract')
|
|
self.assertOperationAttributes(changes, "testapp", 0, 3, name="Author")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 4, name="Contract")
|
|
|
|
def test_concrete_field_changed_to_many_to_many(self):
|
|
"""
|
|
#23938 - Tests that changing a concrete field into a ManyToManyField
|
|
first removes the concrete field and then adds the m2m field.
|
|
"""
|
|
before = self.make_project_state([self.author_with_former_m2m])
|
|
after = self.make_project_state([self.author_with_m2m, self.publisher])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["CreateModel", "RemoveField", "AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name='Publisher')
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="publishers", model_name='author')
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 2, name="publishers", model_name='author')
|
|
|
|
def test_many_to_many_changed_to_concrete_field(self):
|
|
"""
|
|
#23938 - Tests that changing a ManyToManyField into a concrete field
|
|
first removes the m2m field and then adds the concrete field.
|
|
"""
|
|
before = self.make_project_state([self.author_with_m2m, self.publisher])
|
|
after = self.make_project_state([self.author_with_former_m2m])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["RemoveField", "AddField", "DeleteModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="publishers", model_name='author')
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="publishers", model_name='author')
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 2, name='Publisher')
|
|
self.assertOperationFieldAttributes(changes, 'testapp', 0, 1, max_length=100)
|
|
|
|
def test_non_circular_foreignkey_dependency_removal(self):
|
|
"""
|
|
If two models with a ForeignKey from one to the other are removed at the
|
|
same time, the autodetector should remove them in the correct order.
|
|
"""
|
|
before = self.make_project_state([self.author_with_publisher, self.publisher_with_author])
|
|
after = self.make_project_state([])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["RemoveField", "RemoveField", "DeleteModel", "DeleteModel"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="publisher", model_name='author')
|
|
self.assertOperationAttributes(changes, "testapp", 0, 1, name="author", model_name='publisher')
|
|
self.assertOperationAttributes(changes, "testapp", 0, 2, name="Author")
|
|
self.assertOperationAttributes(changes, "testapp", 0, 3, name="Publisher")
|
|
|
|
def test_alter_model_options(self):
|
|
"""Changing a model's options should make a change."""
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_with_options])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["AlterModelOptions"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, options={
|
|
"permissions": [('can_hire', 'Can hire')],
|
|
"verbose_name": "Authi",
|
|
})
|
|
|
|
# Changing them back to empty should also make a change
|
|
before = self.make_project_state([self.author_with_options])
|
|
after = self.make_project_state([self.author_empty])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["AlterModelOptions"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="author", options={})
|
|
|
|
def test_alter_model_options_proxy(self):
|
|
"""Changing a proxy model's options should also make a change."""
|
|
before = self.make_project_state([self.author_proxy, self.author_empty])
|
|
after = self.make_project_state([self.author_proxy_options, self.author_empty])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "testapp", 1)
|
|
self.assertOperationTypes(changes, "testapp", 0, ["AlterModelOptions"])
|
|
self.assertOperationAttributes(changes, "testapp", 0, 0, name="authorproxy", options={
|
|
"verbose_name": "Super Author"
|
|
})
|
|
|
|
def test_set_alter_order_with_respect_to(self):
|
|
"""Tests that setting order_with_respect_to adds a field."""
|
|
# Make state
|
|
before = self.make_project_state([self.book, self.author_with_book])
|
|
after = self.make_project_state([self.book, self.author_with_book_order_wrt])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterOrderWithRespectTo"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="author", order_with_respect_to="book")
|
|
|
|
def test_add_alter_order_with_respect_to(self):
|
|
"""
|
|
Tests that setting order_with_respect_to when adding the FK too does
|
|
things in the right order.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_name])
|
|
after = self.make_project_state([self.book, self.author_with_book_order_wrt])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField", "AlterOrderWithRespectTo"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, model_name="author", name="book")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="author", order_with_respect_to="book")
|
|
|
|
def test_remove_alter_order_with_respect_to(self):
|
|
"""
|
|
Tests that removing order_with_respect_to when removing the FK too does
|
|
things in the right order.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.book, self.author_with_book_order_wrt])
|
|
after = self.make_project_state([self.author_name])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AlterOrderWithRespectTo", "RemoveField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="author", order_with_respect_to=None)
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, model_name="author", name="book")
|
|
|
|
def test_add_model_order_with_respect_to(self):
|
|
"""
|
|
Tests that setting order_with_respect_to when adding the whole model
|
|
does things in the right order.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.book, self.author_with_book_order_wrt])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "AlterOrderWithRespectTo"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="author", order_with_respect_to="book")
|
|
self.assertNotIn("_order", [name for name, field in changes['testapp'][0].operations[0].fields])
|
|
|
|
def test_alter_model_managers(self):
|
|
"""
|
|
Tests that changing the model managers adds a new operation.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.other_pony])
|
|
after = self.make_project_state([self.other_pony_food])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["AlterModelManagers"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="pony")
|
|
self.assertEqual([name for name, mgr in changes['otherapp'][0].operations[0].managers],
|
|
['food_qs', 'food_mgr', 'food_mgr_kwargs'])
|
|
self.assertEqual(changes['otherapp'][0].operations[0].managers[1][1].args, ('a', 'b', 1, 2))
|
|
self.assertEqual(changes['otherapp'][0].operations[0].managers[2][1].args, ('x', 'y', 3, 4))
|
|
|
|
def test_swappable_first_inheritance(self):
|
|
"""Tests that swappable models get their CreateModel first."""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.custom_user, self.aardvark])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'thirdapp', 1)
|
|
self.assertOperationTypes(changes, 'thirdapp', 0, ["CreateModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, 'thirdapp', 0, 0, name="CustomUser")
|
|
self.assertOperationAttributes(changes, 'thirdapp', 0, 1, name="Aardvark")
|
|
|
|
@override_settings(AUTH_USER_MODEL="thirdapp.CustomUser")
|
|
def test_swappable_first_setting(self):
|
|
"""Tests that swappable models get their CreateModel first."""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.custom_user_no_inherit, self.aardvark])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'thirdapp', 1)
|
|
self.assertOperationTypes(changes, 'thirdapp', 0, ["CreateModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, 'thirdapp', 0, 0, name="CustomUser")
|
|
self.assertOperationAttributes(changes, 'thirdapp', 0, 1, name="Aardvark")
|
|
|
|
def test_bases_first(self):
|
|
"""Tests that bases of other models come first."""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.aardvark_based_on_author, self.author_name])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="Aardvark")
|
|
|
|
def test_multiple_bases(self):
|
|
"""#23956 - Tests that inheriting models doesn't move *_ptr fields into AddField operations."""
|
|
A = ModelState("app", "A", [("a_id", models.AutoField(primary_key=True))])
|
|
B = ModelState("app", "B", [("b_id", models.AutoField(primary_key=True))])
|
|
C = ModelState("app", "C", [], bases=("app.A", "app.B"))
|
|
D = ModelState("app", "D", [], bases=("app.A", "app.B"))
|
|
E = ModelState("app", "E", [], bases=("app.A", "app.B"))
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([A, B, C, D, E])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, "app", 1)
|
|
self.assertOperationTypes(changes, "app", 0, [
|
|
"CreateModel", "CreateModel", "CreateModel", "CreateModel", "CreateModel"
|
|
])
|
|
self.assertOperationAttributes(changes, "app", 0, 0, name="A")
|
|
self.assertOperationAttributes(changes, "app", 0, 1, name="B")
|
|
self.assertOperationAttributes(changes, "app", 0, 2, name="C")
|
|
self.assertOperationAttributes(changes, "app", 0, 3, name="D")
|
|
self.assertOperationAttributes(changes, "app", 0, 4, name="E")
|
|
|
|
def test_proxy_bases_first(self):
|
|
"""Tests that bases of proxies come first."""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.author_empty, self.author_proxy, self.author_proxy_proxy])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="AuthorProxy")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 2, name="AAuthorProxyProxy")
|
|
|
|
def test_pk_fk_included(self):
|
|
"""
|
|
Tests that a relation used as the primary key is kept as part of
|
|
CreateModel.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.aardvark_pk_fk_author, self.author_name])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="Aardvark")
|
|
|
|
def test_first_dependency(self):
|
|
"""
|
|
Tests that a dependency to an app with no migrations uses __first__.
|
|
"""
|
|
# Load graph
|
|
loader = MigrationLoader(connection)
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.book_migrations_fk])
|
|
after.real_apps = ["migrations"]
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes(graph=loader.graph)
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="Book")
|
|
self.assertMigrationDependencies(changes, 'otherapp', 0, [("migrations", "__first__")])
|
|
|
|
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
|
|
def test_last_dependency(self):
|
|
"""
|
|
Tests that a dependency to an app with existing migrations uses the
|
|
last migration of that app.
|
|
"""
|
|
# Load graph
|
|
loader = MigrationLoader(connection)
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([self.book_migrations_fk])
|
|
after.real_apps = ["migrations"]
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes(graph=loader.graph)
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'otherapp', 1)
|
|
self.assertOperationTypes(changes, 'otherapp', 0, ["CreateModel"])
|
|
self.assertOperationAttributes(changes, 'otherapp', 0, 0, name="Book")
|
|
self.assertMigrationDependencies(changes, 'otherapp', 0, [("migrations", "0002_second")])
|
|
|
|
def test_alter_fk_before_model_deletion(self):
|
|
"""
|
|
Tests that ForeignKeys are altered _before_ the model they used to
|
|
refer to are deleted.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_name, self.publisher_with_author])
|
|
after = self.make_project_state([self.aardvark_testapp, self.publisher_with_aardvark_author])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "AlterField", "DeleteModel"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Aardvark")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 1, name="author")
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 2, name="Author")
|
|
|
|
def test_fk_dependency_other_app(self):
|
|
"""
|
|
#23100 - Tests that ForeignKeys correctly depend on other apps' models.
|
|
"""
|
|
# Make state
|
|
before = self.make_project_state([self.author_name, self.book])
|
|
after = self.make_project_state([self.author_with_book, self.book])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0, name="book")
|
|
self.assertMigrationDependencies(changes, 'testapp', 0, [("otherapp", "__first__")])
|
|
|
|
def test_circular_dependency_mixed_addcreate(self):
|
|
"""
|
|
#23315 - Tests that the dependency resolver knows to put all CreateModel
|
|
before AddField and not become unsolvable.
|
|
"""
|
|
address = ModelState("a", "Address", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("country", models.ForeignKey("b.DeliveryCountry")),
|
|
])
|
|
person = ModelState("a", "Person", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
])
|
|
apackage = ModelState("b", "APackage", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("person", models.ForeignKey("a.Person")),
|
|
])
|
|
country = ModelState("b", "DeliveryCountry", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
])
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([address, person, apackage, country])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'a', 2)
|
|
self.assertNumberMigrations(changes, 'b', 1)
|
|
self.assertOperationTypes(changes, 'a', 0, ["CreateModel", "CreateModel"])
|
|
self.assertOperationTypes(changes, 'a', 1, ["AddField"])
|
|
self.assertOperationTypes(changes, 'b', 0, ["CreateModel", "CreateModel"])
|
|
|
|
@override_settings(AUTH_USER_MODEL="a.Tenant")
|
|
def test_circular_dependency_swappable(self):
|
|
"""
|
|
#23322 - Tests that the dependency resolver knows to explicitly resolve
|
|
swappable models.
|
|
"""
|
|
tenant = ModelState("a", "Tenant", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("primary_address", models.ForeignKey("b.Address"))],
|
|
bases=(AbstractBaseUser, )
|
|
)
|
|
address = ModelState("b", "Address", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("tenant", models.ForeignKey(settings.AUTH_USER_MODEL)),
|
|
])
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([address, tenant])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'a', 2)
|
|
self.assertOperationTypes(changes, 'a', 0, ["CreateModel"])
|
|
self.assertOperationTypes(changes, 'a', 1, ["AddField"])
|
|
self.assertMigrationDependencies(changes, 'a', 0, [])
|
|
self.assertMigrationDependencies(changes, 'a', 1, [('a', 'auto_1'), ('b', 'auto_1')])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'b', 1)
|
|
self.assertOperationTypes(changes, 'b', 0, ["CreateModel"])
|
|
self.assertMigrationDependencies(changes, 'b', 0, [('__setting__', 'AUTH_USER_MODEL')])
|
|
|
|
@override_settings(AUTH_USER_MODEL="b.Tenant")
|
|
def test_circular_dependency_swappable2(self):
|
|
"""
|
|
#23322 - Tests that the dependency resolver knows to explicitly resolve
|
|
swappable models but with the swappable not being the first migrated
|
|
model.
|
|
"""
|
|
address = ModelState("a", "Address", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("tenant", models.ForeignKey(settings.AUTH_USER_MODEL)),
|
|
])
|
|
tenant = ModelState("b", "Tenant", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("primary_address", models.ForeignKey("a.Address"))],
|
|
bases=(AbstractBaseUser, )
|
|
)
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([address, tenant])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'a', 2)
|
|
self.assertOperationTypes(changes, 'a', 0, ["CreateModel"])
|
|
self.assertOperationTypes(changes, 'a', 1, ["AddField"])
|
|
self.assertMigrationDependencies(changes, 'a', 0, [])
|
|
self.assertMigrationDependencies(changes, 'a', 1, [('__setting__', 'AUTH_USER_MODEL'), ('a', 'auto_1')])
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'b', 1)
|
|
self.assertOperationTypes(changes, 'b', 0, ["CreateModel"])
|
|
self.assertMigrationDependencies(changes, 'b', 0, [('a', 'auto_1')])
|
|
|
|
@override_settings(AUTH_USER_MODEL="a.Person")
|
|
def test_circular_dependency_swappable_self(self):
|
|
"""
|
|
#23322 - Tests that the dependency resolver knows to explicitly resolve
|
|
swappable models.
|
|
"""
|
|
person = ModelState("a", "Person", [
|
|
("id", models.AutoField(primary_key=True)),
|
|
("parent1", models.ForeignKey(settings.AUTH_USER_MODEL, related_name='children'))
|
|
])
|
|
# Make state
|
|
before = self.make_project_state([])
|
|
after = self.make_project_state([person])
|
|
autodetector = MigrationAutodetector(before, after)
|
|
changes = autodetector._detect_changes()
|
|
# Right number/type of migrations?
|
|
self.assertNumberMigrations(changes, 'a', 1)
|
|
self.assertOperationTypes(changes, 'a', 0, ["CreateModel"])
|
|
self.assertMigrationDependencies(changes, 'a', 0, [])
|
|
|
|
def test_add_blank_textfield_and_charfield(self):
|
|
"""
|
|
#23405 - Adding a NOT NULL and blank `CharField` or `TextField`
|
|
without default should not prompt for a default.
|
|
"""
|
|
class CustomQuestioner(MigrationQuestioner):
|
|
def ask_not_null_addition(self, field_name, model_name):
|
|
raise Exception("Should not have prompted for not null addition")
|
|
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_with_biography_blank])
|
|
autodetector = MigrationAutodetector(before, after, CustomQuestioner())
|
|
changes = autodetector._detect_changes()
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField", "AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0)
|
|
|
|
@mock.patch('django.db.migrations.questioner.MigrationQuestioner.ask_not_null_addition')
|
|
def test_add_non_blank_textfield_and_charfield(self, mocked_ask_method):
|
|
"""
|
|
#23405 - Adding a NOT NULL and non-blank `CharField` or `TextField`
|
|
without default should prompt for a default.
|
|
"""
|
|
before = self.make_project_state([self.author_empty])
|
|
after = self.make_project_state([self.author_with_biography_non_blank])
|
|
autodetector = MigrationAutodetector(before, after, MigrationQuestioner())
|
|
changes = autodetector._detect_changes()
|
|
# need to check for questioner call
|
|
self.assertTrue(mocked_ask_method.called)
|
|
self.assertEqual(mocked_ask_method.call_count, 2)
|
|
self.assertNumberMigrations(changes, 'testapp', 1)
|
|
self.assertOperationTypes(changes, 'testapp', 0, ["AddField", "AddField"])
|
|
self.assertOperationAttributes(changes, 'testapp', 0, 0)
|