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50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
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from django.test import TestCase
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from models import A, B, D
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class SimpleTest(TestCase):
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def setUp(self):
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self.a1 = A.objects.create()
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self.a2 = A.objects.create()
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for x in range(20):
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B.objects.create(a=self.a1)
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D.objects.create(a=self.a1)
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def test_nonempty_update(self):
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"""
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Test that update changes the right number of rows for a nonempty queryset
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"""
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num_updated = self.a1.b_set.update(y=100)
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self.failUnlessEqual(num_updated, 20)
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cnt = B.objects.filter(y=100).count()
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self.failUnlessEqual(cnt, 20)
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def test_empty_update(self):
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"""
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Test that update changes the right number of rows for an empty queryset
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"""
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num_updated = self.a2.b_set.update(y=100)
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self.failUnlessEqual(num_updated, 0)
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cnt = B.objects.filter(y=100).count()
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self.failUnlessEqual(cnt, 0)
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def test_nonempty_update_with_inheritance(self):
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"""
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Test that update changes the right number of rows for an empty queryset
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when the update affects only a base table
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"""
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num_updated = self.a1.d_set.update(y=100)
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self.failUnlessEqual(num_updated, 20)
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cnt = D.objects.filter(y=100).count()
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self.failUnlessEqual(cnt, 20)
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def test_empty_update_with_inheritance(self):
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"""
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Test that update changes the right number of rows for an empty queryset
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when the update affects only a base table
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"""
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num_updated = self.a2.d_set.update(y=100)
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self.failUnlessEqual(num_updated, 0)
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cnt = D.objects.filter(y=100).count()
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self.failUnlessEqual(cnt, 0)
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