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85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
from datetime import datetime
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from django.test import TestCase
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from .models import Article, Category
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class M2MMultipleTests(TestCase):
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def test_multiple(self):
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c1, c2, c3, c4 = [
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Category.objects.create(name=name)
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for name in ["Sports", "News", "Crime", "Life"]
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]
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a1 = Article.objects.create(
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headline="Parrot steals", pub_date=datetime(2005, 11, 27)
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)
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a1.primary_categories.add(c2, c3)
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a1.secondary_categories.add(c4)
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a2 = Article.objects.create(
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headline="Parrot runs", pub_date=datetime(2005, 11, 28)
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)
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a2.primary_categories.add(c1, c2)
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a2.secondary_categories.add(c4)
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self.assertQuerysetEqual(
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a1.primary_categories.all(), [
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"Crime",
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"News",
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],
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lambda c: c.name
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)
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self.assertQuerysetEqual(
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a2.primary_categories.all(), [
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"News",
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"Sports",
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],
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lambda c: c.name
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)
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self.assertQuerysetEqual(
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a1.secondary_categories.all(), [
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"Life",
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],
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lambda c: c.name
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)
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self.assertQuerysetEqual(
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c1.primary_article_set.all(), [
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"Parrot runs",
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],
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lambda a: a.headline
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)
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self.assertQuerysetEqual(
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c1.secondary_article_set.all(), []
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)
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self.assertQuerysetEqual(
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c2.primary_article_set.all(), [
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"Parrot steals",
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"Parrot runs",
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],
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lambda a: a.headline
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)
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self.assertQuerysetEqual(
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c2.secondary_article_set.all(), []
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)
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self.assertQuerysetEqual(
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c3.primary_article_set.all(), [
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"Parrot steals",
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],
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lambda a: a.headline
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)
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self.assertQuerysetEqual(
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c3.secondary_article_set.all(), []
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)
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self.assertQuerysetEqual(
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c4.primary_article_set.all(), []
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)
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self.assertQuerysetEqual(
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c4.secondary_article_set.all(), [
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"Parrot steals",
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"Parrot runs",
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],
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lambda a: a.headline
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)
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