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			124 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| import datetime
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| 
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| from django.core.exceptions import FieldError
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| from django.test import TestCase
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| from django.utils import six
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| 
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| from .models import Article, Category, Comment
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| 
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| 
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| class DatesTests(TestCase):
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|     def test_related_model_traverse(self):
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|         a1 = Article.objects.create(
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|             title="First one",
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|             pub_date=datetime.date(2005, 7, 28),
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|         )
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|         a2 = Article.objects.create(
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|             title="Another one",
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|             pub_date=datetime.date(2010, 7, 28),
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|         )
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|         a3 = Article.objects.create(
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|             title="Third one, in the first day",
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|             pub_date=datetime.date(2005, 7, 28),
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|         )
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| 
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|         a1.comments.create(
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|             text="Im the HULK!",
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|             pub_date=datetime.date(2005, 7, 28),
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|         )
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|         a1.comments.create(
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|             text="HULK SMASH!",
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|             pub_date=datetime.date(2005, 7, 29),
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|         )
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|         a2.comments.create(
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|             text="LMAO",
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|             pub_date=datetime.date(2010, 7, 28),
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|         )
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|         a3.comments.create(
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|             text="+1",
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|             pub_date=datetime.date(2005, 8, 29),
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|         )
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| 
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|         c = Category.objects.create(name="serious-news")
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|         c.articles.add(a1, a3)
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| 
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|         self.assertQuerysetEqual(
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|             Comment.objects.dates("article__pub_date", "year"), [
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|                 datetime.date(2005, 1, 1),
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|                 datetime.date(2010, 1, 1),
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|             ],
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|             lambda d: d,
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|         )
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|         self.assertQuerysetEqual(
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|             Comment.objects.dates("article__pub_date", "month"), [
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|                 datetime.date(2005, 7, 1),
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|                 datetime.date(2010, 7, 1),
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|             ],
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|             lambda d: d
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|         )
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|         self.assertQuerysetEqual(
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|             Comment.objects.dates("article__pub_date", "day"), [
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|                 datetime.date(2005, 7, 28),
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|                 datetime.date(2010, 7, 28),
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|             ],
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|             lambda d: d
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|         )
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|         self.assertQuerysetEqual(
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|             Article.objects.dates("comments__pub_date", "day"), [
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|                 datetime.date(2005, 7, 28),
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|                 datetime.date(2005, 7, 29),
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|                 datetime.date(2005, 8, 29),
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|                 datetime.date(2010, 7, 28),
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|             ],
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|             lambda d: d
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|         )
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|         self.assertQuerysetEqual(
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|             Article.objects.dates("comments__approval_date", "day"), []
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|         )
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|         self.assertQuerysetEqual(
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|             Category.objects.dates("articles__pub_date", "day"), [
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|                 datetime.date(2005, 7, 28),
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|             ],
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|             lambda d: d,
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|         )
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| 
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|     def test_dates_fails_when_no_arguments_are_provided(self):
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|         self.assertRaises(
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|             TypeError,
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|             Article.objects.dates,
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|         )
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| 
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|     def test_dates_fails_when_given_invalid_field_argument(self):
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|         six.assertRaisesRegex(
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|             self,
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|             FieldError,
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|             "Cannot resolve keyword u?'invalid_field' into field. Choices are: "
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|             "categories, comments, id, pub_date, title",
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|             Article.objects.dates,
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|             "invalid_field",
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|             "year",
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|         )
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| 
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|     def test_dates_fails_when_given_invalid_kind_argument(self):
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|         six.assertRaisesRegex(
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|             self,
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|             AssertionError,
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|             "'kind' must be one of 'year', 'month' or 'day'.",
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|             Article.objects.dates,
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|             "pub_date",
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|             "bad_kind",
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|         )
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| 
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|     def test_dates_fails_when_given_invalid_order_argument(self):
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|         six.assertRaisesRegex(
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|             self,
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|             AssertionError,
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|             "'order' must be either 'ASC' or 'DESC'.",
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|             Article.objects.dates,
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|             "pub_date",
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|             "year",
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|             order="bad order",
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|         )
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