116 lines
4.3 KiB
Python
116 lines
4.3 KiB
Python
from datetime import date
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from django import db
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from django import forms
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from django.forms.models import modelform_factory
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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, Article, Publication, CustomFF
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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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class ManyToManyCallableInitialTests(TestCase):
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def test_callable(self):
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"Regression for #10349: A callable can be provided as the initial value for an m2m field"
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# Set up a callable initial value
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def formfield_for_dbfield(db_field, **kwargs):
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if db_field.name == 'publications':
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kwargs['initial'] = lambda: Publication.objects.all().order_by('date_published')[:2]
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return db_field.formfield(**kwargs)
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# Set up some Publications to use as data
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Publication(title="First Book", date_published=date(2007,1,1)).save()
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Publication(title="Second Book", date_published=date(2008,1,1)).save()
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Publication(title="Third Book", date_published=date(2009,1,1)).save()
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# Create a ModelForm, instantiate it, and check that the output is as expected
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ModelForm = modelform_factory(Article, formfield_callback=formfield_for_dbfield)
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form = ModelForm()
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self.assertEquals(form.as_ul(), u"""<li><label for="id_headline">Headline:</label> <input id="id_headline" type="text" name="headline" maxlength="100" /></li>
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<li><label for="id_publications">Publications:</label> <select multiple="multiple" name="publications" id="id_publications">
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<option value="1" selected="selected">First Book</option>
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<option value="2" selected="selected">Second Book</option>
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<option value="3">Third Book</option>
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</select> Hold down "Control", or "Command" on a Mac, to select more than one.</li>""")
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class CFFForm(forms.ModelForm):
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class Meta:
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model = CustomFF
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class CustomFieldSaveTests(TestCase):
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def test_save(self):
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"Regression for #11149: save_form_data should be called only once"
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# It's enough that the form saves without error -- the custom save routine will
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# generate an AssertionError if it is called more than once during save.
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form = CFFForm(data = {'f': None})
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form.save()
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class ModelChoiceIteratorTests(TestCase):
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def test_len(self):
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class Form(forms.ModelForm):
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class Meta:
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model = Article
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fields = ["publications"]
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Publication.objects.create(title="Pravda",
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date_published=date(1991, 8, 22))
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f = Form()
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self.assertEqual(len(f.fields["publications"].choices), 1)
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