687 lines
26 KiB
Python
687 lines
26 KiB
Python
from __future__ import unicode_literals
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import datetime
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from decimal import Decimal
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import unittest
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from django import test
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from django import forms
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from django.core.exceptions import ValidationError
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from django.db import connection, models, IntegrityError
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from django.db.models.fields import (
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AutoField, BigIntegerField, BinaryField, BooleanField, CharField,
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CommaSeparatedIntegerField, DateField, DateTimeField, DecimalField,
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EmailField, FilePathField, FloatField, IntegerField, IPAddressField,
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GenericIPAddressField, NOT_PROVIDED, NullBooleanField, PositiveIntegerField,
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PositiveSmallIntegerField, SlugField, SmallIntegerField, TextField,
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TimeField, URLField)
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from django.db.models.fields.files import FileField, ImageField
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from django.utils import six
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from django.utils.functional import lazy
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from django.utils.unittest import skipIf
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from .models import (
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Foo, Bar, Whiz, BigD, BigS, BigInt, Post, NullBooleanModel,
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BooleanModel, DataModel, Document, RenamedField,
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VerboseNameField, FksToBooleans)
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class BasicFieldTests(test.TestCase):
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def test_show_hidden_initial(self):
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"""
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Regression test for #12913. Make sure fields with choices respect
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show_hidden_initial as a kwarg to models.Field.formfield()
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"""
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choices = [(0, 0), (1, 1)]
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model_field = models.Field(choices=choices)
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form_field = model_field.formfield(show_hidden_initial=True)
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self.assertTrue(form_field.show_hidden_initial)
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form_field = model_field.formfield(show_hidden_initial=False)
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self.assertFalse(form_field.show_hidden_initial)
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def test_nullbooleanfield_blank(self):
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"""
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Regression test for #13071: NullBooleanField should not throw
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a validation error when given a value of None.
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"""
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nullboolean = NullBooleanModel(nbfield=None)
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try:
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nullboolean.full_clean()
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except ValidationError as e:
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self.fail("NullBooleanField failed validation with value of None: %s" % e.messages)
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def test_field_repr(self):
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"""
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Regression test for #5931: __repr__ of a field also displays its name
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"""
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f = Foo._meta.get_field('a')
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self.assertEqual(repr(f), '<django.db.models.fields.CharField: a>')
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f = models.fields.CharField()
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self.assertEqual(repr(f), '<django.db.models.fields.CharField>')
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def test_field_name(self):
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"""
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Regression test for #14695: explicitly defined field name overwritten
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by model's attribute name.
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"""
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instance = RenamedField()
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self.assertTrue(hasattr(instance, 'get_fieldname_display'))
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self.assertFalse(hasattr(instance, 'get_modelname_display'))
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def test_field_verbose_name(self):
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m = VerboseNameField
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for i in range(1, 23):
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self.assertEqual(m._meta.get_field('field%d' % i).verbose_name,
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'verbose field%d' % i)
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self.assertEqual(m._meta.get_field('id').verbose_name, 'verbose pk')
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def test_choices_form_class(self):
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"""Can supply a custom choices form class. Regression for #20999."""
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choices = [('a', 'a')]
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field = models.CharField(choices=choices)
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klass = forms.TypedMultipleChoiceField
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self.assertIsInstance(field.formfield(choices_form_class=klass), klass)
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class DecimalFieldTests(test.TestCase):
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def test_to_python(self):
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f = models.DecimalField(max_digits=4, decimal_places=2)
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self.assertEqual(f.to_python(3), Decimal("3"))
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self.assertEqual(f.to_python("3.14"), Decimal("3.14"))
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self.assertRaises(ValidationError, f.to_python, "abc")
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def test_default(self):
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f = models.DecimalField(default=Decimal("0.00"))
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self.assertEqual(f.get_default(), Decimal("0.00"))
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def test_format(self):
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f = models.DecimalField(max_digits=5, decimal_places=1)
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self.assertEqual(f._format(f.to_python(2)), '2.0')
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self.assertEqual(f._format(f.to_python('2.6')), '2.6')
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self.assertEqual(f._format(None), None)
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def test_get_db_prep_lookup(self):
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from django.db import connection
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f = models.DecimalField(max_digits=5, decimal_places=1)
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self.assertEqual(f.get_db_prep_lookup('exact', None, connection=connection), [None])
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def test_filter_with_strings(self):
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"""
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We should be able to filter decimal fields using strings (#8023)
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"""
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Foo.objects.create(id=1, a='abc', d=Decimal("12.34"))
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self.assertEqual(list(Foo.objects.filter(d='1.23')), [])
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def test_save_without_float_conversion(self):
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"""
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Ensure decimals don't go through a corrupting float conversion during
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save (#5079).
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"""
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bd = BigD(d="12.9")
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bd.save()
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bd = BigD.objects.get(pk=bd.pk)
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self.assertEqual(bd.d, Decimal("12.9"))
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def test_lookup_really_big_value(self):
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"""
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Ensure that really big values can be used in a filter statement, even
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with older Python versions.
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"""
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# This should not crash. That counts as a win for our purposes.
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Foo.objects.filter(d__gte=100000000000)
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class ForeignKeyTests(test.TestCase):
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def test_callable_default(self):
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"""Test the use of a lazy callable for ForeignKey.default"""
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a = Foo.objects.create(id=1, a='abc', d=Decimal("12.34"))
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b = Bar.objects.create(b="bcd")
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self.assertEqual(b.a, a)
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class DateTimeFieldTests(unittest.TestCase):
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def test_datetimefield_to_python_usecs(self):
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"""DateTimeField.to_python should support usecs"""
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f = models.DateTimeField()
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self.assertEqual(f.to_python('2001-01-02 03:04:05.000006'),
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datetime.datetime(2001, 1, 2, 3, 4, 5, 6))
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self.assertEqual(f.to_python('2001-01-02 03:04:05.999999'),
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datetime.datetime(2001, 1, 2, 3, 4, 5, 999999))
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def test_timefield_to_python_usecs(self):
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"""TimeField.to_python should support usecs"""
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f = models.TimeField()
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self.assertEqual(f.to_python('01:02:03.000004'),
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datetime.time(1, 2, 3, 4))
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self.assertEqual(f.to_python('01:02:03.999999'),
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datetime.time(1, 2, 3, 999999))
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class BooleanFieldTests(unittest.TestCase):
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def _test_get_db_prep_lookup(self, f):
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from django.db import connection
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self.assertEqual(f.get_db_prep_lookup('exact', True, connection=connection), [True])
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self.assertEqual(f.get_db_prep_lookup('exact', '1', connection=connection), [True])
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self.assertEqual(f.get_db_prep_lookup('exact', 1, connection=connection), [True])
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self.assertEqual(f.get_db_prep_lookup('exact', False, connection=connection), [False])
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self.assertEqual(f.get_db_prep_lookup('exact', '0', connection=connection), [False])
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self.assertEqual(f.get_db_prep_lookup('exact', 0, connection=connection), [False])
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self.assertEqual(f.get_db_prep_lookup('exact', None, connection=connection), [None])
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def _test_to_python(self, f):
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self.assertTrue(f.to_python(1) is True)
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self.assertTrue(f.to_python(0) is False)
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def test_booleanfield_get_db_prep_lookup(self):
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self._test_get_db_prep_lookup(models.BooleanField())
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def test_nullbooleanfield_get_db_prep_lookup(self):
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self._test_get_db_prep_lookup(models.NullBooleanField())
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def test_booleanfield_to_python(self):
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self._test_to_python(models.BooleanField())
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def test_nullbooleanfield_to_python(self):
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self._test_to_python(models.NullBooleanField())
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def test_booleanfield_choices_blank(self):
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"""
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Test that BooleanField with choices and defaults doesn't generate a
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formfield with the blank option (#9640, #10549).
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"""
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choices = [(1, 'Si'), (2, 'No')]
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f = models.BooleanField(choices=choices, default=1, null=True)
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self.assertEqual(f.formfield().choices, [('', '---------')] + choices)
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f = models.BooleanField(choices=choices, default=1, null=False)
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self.assertEqual(f.formfield().choices, choices)
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def test_return_type(self):
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b = BooleanModel()
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b.bfield = True
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b.save()
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b2 = BooleanModel.objects.get(pk=b.pk)
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self.assertIsInstance(b2.bfield, bool)
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self.assertEqual(b2.bfield, True)
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b3 = BooleanModel()
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b3.bfield = False
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b3.save()
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b4 = BooleanModel.objects.get(pk=b3.pk)
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self.assertIsInstance(b4.bfield, bool)
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self.assertEqual(b4.bfield, False)
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b = NullBooleanModel()
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b.nbfield = True
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b.save()
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b2 = NullBooleanModel.objects.get(pk=b.pk)
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self.assertIsInstance(b2.nbfield, bool)
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self.assertEqual(b2.nbfield, True)
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b3 = NullBooleanModel()
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b3.nbfield = False
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b3.save()
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b4 = NullBooleanModel.objects.get(pk=b3.pk)
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self.assertIsInstance(b4.nbfield, bool)
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self.assertEqual(b4.nbfield, False)
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# http://code.djangoproject.com/ticket/13293
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# Verify that when an extra clause exists, the boolean
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# conversions are applied with an offset
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b5 = BooleanModel.objects.all().extra(
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select={'string_col': 'string'})[0]
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self.assertFalse(isinstance(b5.pk, bool))
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def test_select_related(self):
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"""
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Test type of boolean fields when retrieved via select_related() (MySQL,
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#15040)
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"""
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bmt = BooleanModel.objects.create(bfield=True)
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bmf = BooleanModel.objects.create(bfield=False)
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nbmt = NullBooleanModel.objects.create(nbfield=True)
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nbmf = NullBooleanModel.objects.create(nbfield=False)
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m1 = FksToBooleans.objects.create(bf=bmt, nbf=nbmt)
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m2 = FksToBooleans.objects.create(bf=bmf, nbf=nbmf)
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# Test select_related('fk_field_name')
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ma = FksToBooleans.objects.select_related('bf').get(pk=m1.id)
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# verify types -- should't be 0/1
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self.assertIsInstance(ma.bf.bfield, bool)
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self.assertIsInstance(ma.nbf.nbfield, bool)
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# verify values
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self.assertEqual(ma.bf.bfield, True)
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self.assertEqual(ma.nbf.nbfield, True)
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# Test select_related()
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mb = FksToBooleans.objects.select_related().get(pk=m1.id)
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mc = FksToBooleans.objects.select_related().get(pk=m2.id)
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# verify types -- shouldn't be 0/1
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self.assertIsInstance(mb.bf.bfield, bool)
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self.assertIsInstance(mb.nbf.nbfield, bool)
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self.assertIsInstance(mc.bf.bfield, bool)
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self.assertIsInstance(mc.nbf.nbfield, bool)
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# verify values
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self.assertEqual(mb.bf.bfield, True)
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self.assertEqual(mb.nbf.nbfield, True)
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self.assertEqual(mc.bf.bfield, False)
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self.assertEqual(mc.nbf.nbfield, False)
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def test_null_default(self):
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"""
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Check that a BooleanField defaults to None -- which isn't
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a valid value (#15124).
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"""
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# Patch the boolean field's default value. We give it a default
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# value when defining the model to satisfy the check tests
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# #20895.
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boolean_field = BooleanModel._meta.get_field('bfield')
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self.assertTrue(boolean_field.has_default())
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old_default = boolean_field.default
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try:
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boolean_field.default = NOT_PROVIDED
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# check patch was succcessful
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self.assertFalse(boolean_field.has_default())
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b = BooleanModel()
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self.assertIsNone(b.bfield)
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with self.assertRaises(IntegrityError):
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b.save()
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finally:
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boolean_field.default = old_default
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nb = NullBooleanModel()
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self.assertIsNone(nb.nbfield)
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nb.save() # no error
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class ChoicesTests(test.TestCase):
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def test_choices_and_field_display(self):
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"""
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Check that get_choices and get_flatchoices interact with
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get_FIELD_display to return the expected values (#7913).
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"""
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self.assertEqual(Whiz(c=1).get_c_display(), 'First') # A nested value
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self.assertEqual(Whiz(c=0).get_c_display(), 'Other') # A top level value
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self.assertEqual(Whiz(c=9).get_c_display(), 9) # Invalid value
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self.assertEqual(Whiz(c=None).get_c_display(), None) # Blank value
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self.assertEqual(Whiz(c='').get_c_display(), '') # Empty value
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class SlugFieldTests(test.TestCase):
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def test_slugfield_max_length(self):
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"""
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Make sure SlugField honors max_length (#9706)
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"""
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bs = BigS.objects.create(s='slug' * 50)
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bs = BigS.objects.get(pk=bs.pk)
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self.assertEqual(bs.s, 'slug' * 50)
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class ValidationTest(test.TestCase):
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def test_charfield_raises_error_on_empty_string(self):
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f = models.CharField()
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self.assertRaises(ValidationError, f.clean, "", None)
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def test_charfield_cleans_empty_string_when_blank_true(self):
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f = models.CharField(blank=True)
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self.assertEqual('', f.clean('', None))
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def test_integerfield_cleans_valid_string(self):
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f = models.IntegerField()
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self.assertEqual(2, f.clean('2', None))
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def test_integerfield_raises_error_on_invalid_intput(self):
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f = models.IntegerField()
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self.assertRaises(ValidationError, f.clean, "a", None)
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def test_charfield_with_choices_cleans_valid_choice(self):
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f = models.CharField(max_length=1,
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choices=[('a', 'A'), ('b', 'B')])
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self.assertEqual('a', f.clean('a', None))
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def test_charfield_with_choices_raises_error_on_invalid_choice(self):
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f = models.CharField(choices=[('a', 'A'), ('b', 'B')])
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self.assertRaises(ValidationError, f.clean, "not a", None)
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def test_charfield_get_choices_with_blank_defined(self):
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f = models.CharField(choices=[('', '<><>'), ('a', 'A')])
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self.assertEqual(f.get_choices(True), [('', '<><>'), ('a', 'A')])
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def test_choices_validation_supports_named_groups(self):
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f = models.IntegerField(
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choices=(('group', ((10, 'A'), (20, 'B'))), (30, 'C')))
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self.assertEqual(10, f.clean(10, None))
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def test_nullable_integerfield_raises_error_with_blank_false(self):
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f = models.IntegerField(null=True, blank=False)
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self.assertRaises(ValidationError, f.clean, None, None)
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def test_nullable_integerfield_cleans_none_on_null_and_blank_true(self):
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f = models.IntegerField(null=True, blank=True)
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self.assertEqual(None, f.clean(None, None))
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def test_integerfield_raises_error_on_empty_input(self):
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f = models.IntegerField(null=False)
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self.assertRaises(ValidationError, f.clean, None, None)
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self.assertRaises(ValidationError, f.clean, '', None)
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def test_integerfield_validates_zero_against_choices(self):
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f = models.IntegerField(choices=((1, 1),))
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self.assertRaises(ValidationError, f.clean, '0', None)
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def test_charfield_raises_error_on_empty_input(self):
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f = models.CharField(null=False)
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self.assertRaises(ValidationError, f.clean, None, None)
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def test_datefield_cleans_date(self):
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f = models.DateField()
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self.assertEqual(datetime.date(2008, 10, 10), f.clean('2008-10-10', None))
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def test_boolean_field_doesnt_accept_empty_input(self):
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f = models.BooleanField()
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self.assertRaises(ValidationError, f.clean, None, None)
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class BigIntegerFieldTests(test.TestCase):
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def test_limits(self):
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# Ensure that values that are right at the limits can be saved
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# and then retrieved without corruption.
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maxval = 9223372036854775807
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minval = -maxval - 1
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BigInt.objects.create(value=maxval)
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qs = BigInt.objects.filter(value__gte=maxval)
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self.assertEqual(qs.count(), 1)
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self.assertEqual(qs[0].value, maxval)
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BigInt.objects.create(value=minval)
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qs = BigInt.objects.filter(value__lte=minval)
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self.assertEqual(qs.count(), 1)
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self.assertEqual(qs[0].value, minval)
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def test_types(self):
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b = BigInt(value=0)
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self.assertIsInstance(b.value, six.integer_types)
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b.save()
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self.assertIsInstance(b.value, six.integer_types)
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b = BigInt.objects.all()[0]
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self.assertIsInstance(b.value, six.integer_types)
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def test_coercing(self):
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BigInt.objects.create(value='10')
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b = BigInt.objects.get(value='10')
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self.assertEqual(b.value, 10)
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class TypeCoercionTests(test.TestCase):
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"""
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Test that database lookups can accept the wrong types and convert
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them with no error: especially on Postgres 8.3+ which does not do
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automatic casting at the DB level. See #10015.
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"""
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def test_lookup_integer_in_charfield(self):
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self.assertEqual(Post.objects.filter(title=9).count(), 0)
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def test_lookup_integer_in_textfield(self):
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self.assertEqual(Post.objects.filter(body=24).count(), 0)
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class FileFieldTests(unittest.TestCase):
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def test_clearable(self):
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"""
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Test that FileField.save_form_data will clear its instance attribute
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value if passed False.
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"""
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d = Document(myfile='something.txt')
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self.assertEqual(d.myfile, 'something.txt')
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field = d._meta.get_field('myfile')
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field.save_form_data(d, False)
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self.assertEqual(d.myfile, '')
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def test_unchanged(self):
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"""
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Test that FileField.save_form_data considers None to mean "no change"
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rather than "clear".
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"""
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d = Document(myfile='something.txt')
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self.assertEqual(d.myfile, 'something.txt')
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field = d._meta.get_field('myfile')
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field.save_form_data(d, None)
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|
self.assertEqual(d.myfile, 'something.txt')
|
|
|
|
def test_changed(self):
|
|
"""
|
|
Test that FileField.save_form_data, if passed a truthy value, updates
|
|
its instance attribute.
|
|
|
|
"""
|
|
d = Document(myfile='something.txt')
|
|
self.assertEqual(d.myfile, 'something.txt')
|
|
field = d._meta.get_field('myfile')
|
|
field.save_form_data(d, 'else.txt')
|
|
self.assertEqual(d.myfile, 'else.txt')
|
|
|
|
def test_delete_when_file_unset(self):
|
|
"""
|
|
Calling delete on an unset FileField should not call the file deletion
|
|
process, but fail silently (#20660).
|
|
"""
|
|
d = Document()
|
|
try:
|
|
d.myfile.delete()
|
|
except OSError:
|
|
self.fail("Deleting an unset FileField should not raise OSError.")
|
|
|
|
|
|
class BinaryFieldTests(test.TestCase):
|
|
binary_data = b'\x00\x46\xFE'
|
|
|
|
def test_set_and_retrieve(self):
|
|
data_set = (self.binary_data, six.memoryview(self.binary_data))
|
|
for bdata in data_set:
|
|
dm = DataModel(data=bdata)
|
|
dm.save()
|
|
dm = DataModel.objects.get(pk=dm.pk)
|
|
self.assertEqual(bytes(dm.data), bytes(bdata))
|
|
# Resave (=update)
|
|
dm.save()
|
|
dm = DataModel.objects.get(pk=dm.pk)
|
|
self.assertEqual(bytes(dm.data), bytes(bdata))
|
|
# Test default value
|
|
self.assertEqual(bytes(dm.short_data), b'\x08')
|
|
|
|
if connection.vendor == 'mysql' and six.PY3:
|
|
# Existing MySQL DB-API drivers fail on binary data.
|
|
test_set_and_retrieve = unittest.expectedFailure(test_set_and_retrieve)
|
|
|
|
def test_max_length(self):
|
|
dm = DataModel(short_data=self.binary_data * 4)
|
|
self.assertRaises(ValidationError, dm.full_clean)
|
|
|
|
class GenericIPAddressFieldTests(test.TestCase):
|
|
def test_genericipaddressfield_formfield_protocol(self):
|
|
"""
|
|
Test that GenericIPAddressField with a specified protocol does not
|
|
generate a formfield with no specified protocol. See #20740.
|
|
"""
|
|
model_field = models.GenericIPAddressField(protocol='IPv4')
|
|
form_field = model_field.formfield()
|
|
self.assertRaises(ValidationError, form_field.clean, '::1')
|
|
model_field = models.GenericIPAddressField(protocol='IPv6')
|
|
form_field = model_field.formfield()
|
|
self.assertRaises(ValidationError, form_field.clean, '127.0.0.1')
|
|
|
|
|
|
class PromiseTest(test.TestCase):
|
|
def test_AutoField(self):
|
|
lazy_func = lazy(lambda: 1, int)
|
|
self.assertIsInstance(
|
|
AutoField(primary_key=True).get_prep_value(lazy_func()),
|
|
int)
|
|
|
|
@skipIf(six.PY3, "Python 3 has no `long` type.")
|
|
def test_BigIntegerField(self):
|
|
lazy_func = lazy(lambda: long(9999999999999999999), long)
|
|
self.assertIsInstance(
|
|
BigIntegerField().get_prep_value(lazy_func()),
|
|
long)
|
|
|
|
def test_BinaryField(self):
|
|
lazy_func = lazy(lambda: b'', bytes)
|
|
self.assertIsInstance(
|
|
BinaryField().get_prep_value(lazy_func()),
|
|
bytes)
|
|
|
|
def test_BooleanField(self):
|
|
lazy_func = lazy(lambda: True, bool)
|
|
self.assertIsInstance(
|
|
BooleanField().get_prep_value(lazy_func()),
|
|
bool)
|
|
|
|
def test_CharField(self):
|
|
lazy_func = lazy(lambda: '', six.text_type)
|
|
self.assertIsInstance(
|
|
CharField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_CommaSeparatedIntegerField(self):
|
|
lazy_func = lazy(lambda: '1,2', six.text_type)
|
|
self.assertIsInstance(
|
|
CommaSeparatedIntegerField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_DateField(self):
|
|
lazy_func = lazy(lambda: datetime.date.today(), datetime.date)
|
|
self.assertIsInstance(
|
|
DateField().get_prep_value(lazy_func()),
|
|
datetime.date)
|
|
|
|
def test_DateTimeField(self):
|
|
lazy_func = lazy(lambda: datetime.datetime.now(), datetime.datetime)
|
|
self.assertIsInstance(
|
|
DateTimeField().get_prep_value(lazy_func()),
|
|
datetime.datetime)
|
|
|
|
def test_DecimalField(self):
|
|
lazy_func = lazy(lambda: Decimal('1.2'), Decimal)
|
|
self.assertIsInstance(
|
|
DecimalField().get_prep_value(lazy_func()),
|
|
Decimal)
|
|
|
|
def test_EmailField(self):
|
|
lazy_func = lazy(lambda: 'mailbox@domain.com', six.text_type)
|
|
self.assertIsInstance(
|
|
EmailField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_FileField(self):
|
|
lazy_func = lazy(lambda: 'filename.ext', six.text_type)
|
|
self.assertIsInstance(
|
|
FileField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_FilePathField(self):
|
|
lazy_func = lazy(lambda: 'tests.py', six.text_type)
|
|
self.assertIsInstance(
|
|
FilePathField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_FloatField(self):
|
|
lazy_func = lazy(lambda: 1.2, float)
|
|
self.assertIsInstance(
|
|
FloatField().get_prep_value(lazy_func()),
|
|
float)
|
|
|
|
def test_ImageField(self):
|
|
lazy_func = lazy(lambda: 'filename.ext', six.text_type)
|
|
self.assertIsInstance(
|
|
ImageField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_IntegerField(self):
|
|
lazy_func = lazy(lambda: 1, int)
|
|
self.assertIsInstance(
|
|
IntegerField().get_prep_value(lazy_func()),
|
|
int)
|
|
|
|
def test_IPAddressField(self):
|
|
lazy_func = lazy(lambda: '127.0.0.1', six.text_type)
|
|
self.assertIsInstance(
|
|
IPAddressField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_GenericIPAddressField(self):
|
|
lazy_func = lazy(lambda: '127.0.0.1', six.text_type)
|
|
self.assertIsInstance(
|
|
GenericIPAddressField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_NullBooleanField(self):
|
|
lazy_func = lazy(lambda: True, bool)
|
|
self.assertIsInstance(
|
|
NullBooleanField().get_prep_value(lazy_func()),
|
|
bool)
|
|
|
|
def test_PositiveIntegerField(self):
|
|
lazy_func = lazy(lambda: 1, int)
|
|
self.assertIsInstance(
|
|
PositiveIntegerField().get_prep_value(lazy_func()),
|
|
int)
|
|
|
|
def test_PositiveSmallIntegerField(self):
|
|
lazy_func = lazy(lambda: 1, int)
|
|
self.assertIsInstance(
|
|
PositiveSmallIntegerField().get_prep_value(lazy_func()),
|
|
int)
|
|
|
|
def test_SlugField(self):
|
|
lazy_func = lazy(lambda: 'slug', six.text_type)
|
|
self.assertIsInstance(
|
|
SlugField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_SmallIntegerField(self):
|
|
lazy_func = lazy(lambda: 1, int)
|
|
self.assertIsInstance(
|
|
SmallIntegerField().get_prep_value(lazy_func()),
|
|
int)
|
|
|
|
def test_TextField(self):
|
|
lazy_func = lazy(lambda: 'Abc', six.text_type)
|
|
self.assertIsInstance(
|
|
TextField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
def test_TimeField(self):
|
|
lazy_func = lazy(lambda: datetime.datetime.now().time(), datetime.time)
|
|
self.assertIsInstance(
|
|
TimeField().get_prep_value(lazy_func()),
|
|
datetime.time)
|
|
|
|
def test_URLField(self):
|
|
lazy_func = lazy(lambda: 'http://domain.com', six.text_type)
|
|
self.assertIsInstance(
|
|
URLField().get_prep_value(lazy_func()),
|
|
six.text_type)
|
|
|
|
|
|
class CustomFieldTests(unittest.TestCase):
|
|
|
|
def test_14786(self):
|
|
"""
|
|
Regression test for #14786 -- Test that field values are not prepared
|
|
twice in get_db_prep_lookup().
|
|
"""
|
|
class NoopField(models.TextField):
|
|
def __init__(self, *args, **kwargs):
|
|
self.prep_value_count = 0
|
|
super(NoopField, self).__init__(*args, **kwargs)
|
|
|
|
def get_prep_value(self, value):
|
|
self.prep_value_count += 1
|
|
return super(NoopField, self).get_prep_value(value)
|
|
|
|
field = NoopField()
|
|
field.get_db_prep_lookup(
|
|
'exact', 'TEST', connection=connection, prepared=False
|
|
)
|
|
self.assertEqual(field.prep_value_count, 1)
|