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			129 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import absolute_import
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| 
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| import copy
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| 
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| from django.conf import settings
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| from django.db import connection
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| from django.db import models
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| from django.db.models.loading import cache
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| from django.core.management.color import no_style 
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| from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
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| 
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| from .models import Article, ArticleRef, Authors, Reviewers, Scientist, ScientistRef
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| 
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| # We can't test the DEFAULT_TABLESPACE and DEFAULT_INDEX_TABLESPACE settings
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| # because they're evaluated when the model class is defined. As a consequence,
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| # @override_settings doesn't work, and the tests depend
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| 
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| def sql_for_table(model):
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|     return '\n'.join(connection.creation.sql_create_model(model, no_style())[0])
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| 
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| def sql_for_index(model):
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|     return '\n'.join(connection.creation.sql_indexes_for_model(model, no_style()))
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| 
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| 
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| class TablespacesTests(TestCase):
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| 
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|     def setUp(self):
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|         # The unmanaged models need to be removed after the test in order to
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|         # prevent bad interactions with the flush operation in other tests.
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|         self.old_app_models = copy.deepcopy(cache.app_models)
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|         self.old_app_store = copy.deepcopy(cache.app_store)
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| 
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|         for model in Article, Authors, Reviewers, Scientist:
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|             model._meta.managed = True
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| 
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|     def tearDown(self):
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|         for model in Article, Authors, Reviewers, Scientist:
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|             model._meta.managed = False
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| 
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|         cache.app_models = self.old_app_models
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|         cache.app_store = self.old_app_store
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|         cache._get_models_cache = {}
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| 
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|     def assertNumContains(self, haystack, needle, count):
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|         real_count = haystack.count(needle)
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|         self.assertEqual(real_count, count, "Found %d instances of '%s', "
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|                 "expected %d" % (real_count, needle, count))
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| 
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|     @skipUnlessDBFeature('supports_tablespaces')
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|     def test_tablespace_for_model(self):
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|         sql = sql_for_table(Scientist).lower()
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|         if settings.DEFAULT_INDEX_TABLESPACE:
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|             # 1 for the table
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|             self.assertNumContains(sql, 'tbl_tbsp', 1)
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|             # 1 for the index on the primary key
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|             self.assertNumContains(sql, settings.DEFAULT_INDEX_TABLESPACE, 1)
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|         else:
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|             # 1 for the table + 1 for the index on the primary key
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|             self.assertNumContains(sql, 'tbl_tbsp', 2)
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| 
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|     @skipIfDBFeature('supports_tablespaces')
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|     def test_tablespace_ignored_for_model(self):
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|         # No tablespace-related SQL
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|         self.assertEqual(sql_for_table(Scientist),
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|                          sql_for_table(ScientistRef))
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| 
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|     @skipUnlessDBFeature('supports_tablespaces')
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|     def test_tablespace_for_indexed_field(self):
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|         sql = sql_for_table(Article).lower()
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|         if settings.DEFAULT_INDEX_TABLESPACE:
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|             # 1 for the table
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|             self.assertNumContains(sql, 'tbl_tbsp', 1)
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|             # 1 for the primary key + 1 for the index on code
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|             self.assertNumContains(sql, settings.DEFAULT_INDEX_TABLESPACE, 2)
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|         else:
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|             # 1 for the table + 1 for the primary key + 1 for the index on code
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|             self.assertNumContains(sql, 'tbl_tbsp', 3)
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| 
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|         # 1 for the index on reference
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|         self.assertNumContains(sql, 'idx_tbsp', 1)
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| 
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|     @skipIfDBFeature('supports_tablespaces')
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|     def test_tablespace_ignored_for_indexed_field(self):
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|         # No tablespace-related SQL
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|         self.assertEqual(sql_for_table(Article),
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|                          sql_for_table(ArticleRef))
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| 
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|     @skipUnlessDBFeature('supports_tablespaces')
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|     def test_tablespace_for_many_to_many_field(self):
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|         sql = sql_for_table(Authors).lower()
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|         # The join table of the ManyToManyField goes to the model's tablespace,
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|         # and its indexes too, unless DEFAULT_INDEX_TABLESPACE is set.
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|         if settings.DEFAULT_INDEX_TABLESPACE:
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|             # 1 for the table
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|             self.assertNumContains(sql, 'tbl_tbsp', 1)
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|             # 1 for the primary key
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|             self.assertNumContains(sql, settings.DEFAULT_INDEX_TABLESPACE, 1)
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|         else:
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|             # 1 for the table + 1 for the index on the primary key
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|             self.assertNumContains(sql, 'tbl_tbsp', 2)
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|         self.assertNumContains(sql, 'idx_tbsp', 0)
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| 
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|         sql = sql_for_index(Authors).lower()
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|         # The ManyToManyField declares no db_tablespace, its indexes go to
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|         # the model's tablespace, unless DEFAULT_INDEX_TABLESPACE is set.
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|         if settings.DEFAULT_INDEX_TABLESPACE:
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|             self.assertNumContains(sql, settings.DEFAULT_INDEX_TABLESPACE, 2)
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|         else:
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|             self.assertNumContains(sql, 'tbl_tbsp', 2)
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|         self.assertNumContains(sql, 'idx_tbsp', 0)
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| 
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|         sql = sql_for_table(Reviewers).lower()
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|         # The join table of the ManyToManyField goes to the model's tablespace,
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|         # and its indexes too, unless DEFAULT_INDEX_TABLESPACE is set.
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|         if settings.DEFAULT_INDEX_TABLESPACE:
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|             # 1 for the table
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|             self.assertNumContains(sql, 'tbl_tbsp', 1)
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|             # 1 for the primary key
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|             self.assertNumContains(sql, settings.DEFAULT_INDEX_TABLESPACE, 1)
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|         else:
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|             # 1 for the table + 1 for the index on the primary key
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|             self.assertNumContains(sql, 'tbl_tbsp', 2)
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|         self.assertNumContains(sql, 'idx_tbsp', 0)
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| 
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|         sql = sql_for_index(Reviewers).lower()
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|         # The ManyToManyField declares db_tablespace, its indexes go there.
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|         self.assertNumContains(sql, 'tbl_tbsp', 0)
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|         self.assertNumContains(sql, 'idx_tbsp', 2)
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