62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
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from django import db
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from django import forms
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from django.conf import settings
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from django.test import TestCase
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from models import Person, Triple, FilePathModel
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class ModelMultipleChoiceFieldTests(TestCase):
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def setUp(self):
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self.old_debug = settings.DEBUG
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settings.DEBUG = True
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def tearDown(self):
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settings.DEBUG = self.old_debug
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def test_model_multiple_choice_number_of_queries(self):
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"""
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Test that ModelMultipleChoiceField does O(1) queries instead of
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O(n) (#10156).
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"""
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for i in range(30):
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Person.objects.create(name="Person %s" % i)
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db.reset_queries()
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f = forms.ModelMultipleChoiceField(queryset=Person.objects.all())
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selected = f.clean([1, 3, 5, 7, 9])
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self.assertEquals(len(db.connection.queries), 1)
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class TripleForm(forms.ModelForm):
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class Meta:
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model = Triple
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class UniqueTogetherTests(TestCase):
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def test_multiple_field_unique_together(self):
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"""
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When the same field is involved in multiple unique_together
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constraints, we need to make sure we don't remove the data for it
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before doing all the validation checking (not just failing after
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the first one).
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"""
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Triple.objects.create(left=1, middle=2, right=3)
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form = TripleForm({'left': '1', 'middle': '2', 'right': '3'})
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self.failIf(form.is_valid())
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form = TripleForm({'left': '1', 'middle': '3', 'right': '1'})
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self.failUnless(form.is_valid())
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class FPForm(forms.ModelForm):
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class Meta:
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model = FilePathModel
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class FilePathFieldTests(TestCase):
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def test_file_path_field_blank(self):
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"""
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Regression test for #8842: FilePathField(blank=True)
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"""
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form = FPForm()
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names = [p[1] for p in form['path'].field.choices]
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names.sort()
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self.assertEqual(names, ['---------', '__init__.py', 'models.py', 'tests.py'])
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