Kaydet (Commit) 3c1b572f authored tarafından Tim Graham's avatar Tim Graham

Split model_fields tests into different files.

üst 14e6823d
......@@ -121,7 +121,7 @@ class NullBooleanModel(models.Model):
class BooleanModel(models.Model):
bfield = models.BooleanField(default=None)
bfield = models.BooleanField()
string = models.CharField(max_length=10, default='abc')
......
from django.core.exceptions import ValidationError
from django.test import TestCase
from django.utils import six
from .models import DataModel
class BinaryFieldTests(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')
def test_max_length(self):
dm = DataModel(short_data=self.binary_data * 4)
with self.assertRaises(ValidationError):
dm.full_clean()
from django.core.exceptions import ValidationError
from django.db import IntegrityError, connection, models, transaction
from django.test import SimpleTestCase, TestCase
from .models import BooleanModel, FksToBooleans, NullBooleanModel
class BooleanFieldTests(TestCase):
def _test_get_db_prep_lookup(self, f):
self.assertEqual(f.get_db_prep_lookup('exact', True, connection=connection), [True])
self.assertEqual(f.get_db_prep_lookup('exact', '1', connection=connection), [True])
self.assertEqual(f.get_db_prep_lookup('exact', 1, connection=connection), [True])
self.assertEqual(f.get_db_prep_lookup('exact', False, connection=connection), [False])
self.assertEqual(f.get_db_prep_lookup('exact', '0', connection=connection), [False])
self.assertEqual(f.get_db_prep_lookup('exact', 0, connection=connection), [False])
self.assertEqual(f.get_db_prep_lookup('exact', None, connection=connection), [None])
def _test_to_python(self, f):
self.assertIs(f.to_python(1), True)
self.assertIs(f.to_python(0), False)
def test_booleanfield_get_db_prep_lookup(self):
self._test_get_db_prep_lookup(models.BooleanField())
def test_nullbooleanfield_get_db_prep_lookup(self):
self._test_get_db_prep_lookup(models.NullBooleanField())
def test_booleanfield_to_python(self):
self._test_to_python(models.BooleanField())
def test_nullbooleanfield_to_python(self):
self._test_to_python(models.NullBooleanField())
def test_booleanfield_choices_blank(self):
"""
BooleanField with choices and defaults doesn't generate a formfield
with the blank option (#9640, #10549).
"""
choices = [(1, 'Si'), (2, 'No')]
f = models.BooleanField(choices=choices, default=1, null=False)
self.assertEqual(f.formfield().choices, choices)
def test_return_type(self):
b = BooleanModel.objects.create(bfield=True)
b.refresh_from_db()
self.assertEqual(b.bfield, True)
b2 = BooleanModel.objects.create(bfield=False)
b2.refresh_from_db()
self.assertEqual(b2.bfield, False)
b3 = NullBooleanModel.objects.create(nbfield=True)
b3.refresh_from_db()
self.assertEqual(b3.nbfield, True)
b4 = NullBooleanModel.objects.create(nbfield=False)
b4.refresh_from_db()
self.assertEqual(b4.nbfield, False)
# When an extra clause exists, the boolean conversions are applied with
# an offset (#13293).
b5 = BooleanModel.objects.all().extra(select={'string_col': 'string'})[0]
self.assertNotIsInstance(b5.pk, bool)
def test_select_related(self):
"""
Boolean fields retrieved via select_related() should return booleans.
"""
bmt = BooleanModel.objects.create(bfield=True)
bmf = BooleanModel.objects.create(bfield=False)
nbmt = NullBooleanModel.objects.create(nbfield=True)
nbmf = NullBooleanModel.objects.create(nbfield=False)
m1 = FksToBooleans.objects.create(bf=bmt, nbf=nbmt)
m2 = FksToBooleans.objects.create(bf=bmf, nbf=nbmf)
# select_related('fk_field_name')
ma = FksToBooleans.objects.select_related('bf').get(pk=m1.id)
self.assertEqual(ma.bf.bfield, True)
self.assertEqual(ma.nbf.nbfield, True)
# select_related()
mb = FksToBooleans.objects.select_related().get(pk=m1.id)
mc = FksToBooleans.objects.select_related().get(pk=m2.id)
self.assertEqual(mb.bf.bfield, True)
self.assertEqual(mb.nbf.nbfield, True)
self.assertEqual(mc.bf.bfield, False)
self.assertEqual(mc.nbf.nbfield, False)
def test_null_default(self):
"""
A BooleanField defaults to None, which isn't a valid value (#15124).
"""
boolean_field = BooleanModel._meta.get_field('bfield')
self.assertFalse(boolean_field.has_default())
b = BooleanModel()
self.assertIsNone(b.bfield)
with transaction.atomic():
with self.assertRaises(IntegrityError):
b.save()
nb = NullBooleanModel()
self.assertIsNone(nb.nbfield)
nb.save() # no error
class ValidationTest(SimpleTestCase):
def test_boolean_field_doesnt_accept_empty_input(self):
f = models.BooleanField()
with self.assertRaises(ValidationError):
f.clean(None, None)
def test_nullbooleanfield_blank(self):
"""
NullBooleanField shouldn't throw a validation error when given a value
of None.
"""
nullboolean = NullBooleanModel(nbfield=None)
nullboolean.full_clean()
from django.core.exceptions import ValidationError
from django.db import models
from django.test import SimpleTestCase, TestCase
from django.utils.functional import lazy
from .models import Post
class TestCharField(TestCase):
def test_max_length_passed_to_formfield(self):
"""
CharField passes its max_length attribute to form fields created using
the formfield() method.
"""
cf1 = models.CharField()
cf2 = models.CharField(max_length=1234)
self.assertIsNone(cf1.formfield().max_length)
self.assertEqual(1234, cf2.formfield().max_length)
def test_lookup_integer_in_charfield(self):
self.assertEqual(Post.objects.filter(title=9).count(), 0)
class ValidationTests(SimpleTestCase):
def test_charfield_raises_error_on_empty_string(self):
f = models.CharField()
with self.assertRaises(ValidationError):
f.clean('', None)
def test_charfield_cleans_empty_string_when_blank_true(self):
f = models.CharField(blank=True)
self.assertEqual('', f.clean('', None))
def test_charfield_with_choices_cleans_valid_choice(self):
f = models.CharField(max_length=1, choices=[('a', 'A'), ('b', 'B')])
self.assertEqual('a', f.clean('a', None))
def test_charfield_with_choices_raises_error_on_invalid_choice(self):
f = models.CharField(choices=[('a', 'A'), ('b', 'B')])
with self.assertRaises(ValidationError):
f.clean('not a', None)
def test_charfield_get_choices_with_blank_defined(self):
f = models.CharField(choices=[('', '<><>'), ('a', 'A')])
self.assertEqual(f.get_choices(True), [('', '<><>'), ('a', 'A')])
def test_charfield_get_choices_doesnt_evaluate_lazy_strings(self):
# Regression test for #23098
# Will raise ZeroDivisionError if lazy is evaluated
lazy_func = lazy(lambda x: 0 / 0, int)
f = models.CharField(choices=[(lazy_func('group'), (('a', 'A'), ('b', 'B')))])
self.assertEqual(f.get_choices(True)[0], ('', '---------'))
def test_charfield_raises_error_on_empty_input(self):
f = models.CharField(null=False)
with self.assertRaises(ValidationError):
f.clean(None, None)
from django.db import connection, models
from django.test import SimpleTestCase
class CustomFieldTests(SimpleTestCase):
def test_get_prep_value_count(self):
"""
Field values are not prepared twice in get_db_prep_lookup() (#14786).
"""
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)
import datetime
from django.db import models
from django.test import (
SimpleTestCase, TestCase, override_settings, skipUnlessDBFeature,
)
from django.test.utils import requires_tz_support
from django.utils import timezone
from .models import DateTimeModel
class DateTimeFieldTests(TestCase):
def test_datetimefield_to_python_microseconds(self):
"""DateTimeField.to_python() supports microseconds."""
f = models.DateTimeField()
self.assertEqual(f.to_python('2001-01-02 03:04:05.000006'), datetime.datetime(2001, 1, 2, 3, 4, 5, 6))
self.assertEqual(f.to_python('2001-01-02 03:04:05.999999'), datetime.datetime(2001, 1, 2, 3, 4, 5, 999999))
def test_timefield_to_python_microseconds(self):
"""TimeField.to_python() supports microseconds."""
f = models.TimeField()
self.assertEqual(f.to_python('01:02:03.000004'), datetime.time(1, 2, 3, 4))
self.assertEqual(f.to_python('01:02:03.999999'), datetime.time(1, 2, 3, 999999))
@skipUnlessDBFeature('supports_microsecond_precision')
def test_datetimes_save_completely(self):
dat = datetime.date(2014, 3, 12)
datetim = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000)
tim = datetime.time(21, 22, 23, 240000)
DateTimeModel.objects.create(d=dat, dt=datetim, t=tim)
obj = DateTimeModel.objects.first()
self.assertTrue(obj)
self.assertEqual(obj.d, dat)
self.assertEqual(obj.dt, datetim)
self.assertEqual(obj.t, tim)
@override_settings(USE_TZ=False)
def test_lookup_date_without_use_tz(self):
d = datetime.date(2014, 3, 12)
dt1 = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000)
dt2 = datetime.datetime(2014, 3, 11, 21, 22, 23, 240000)
t = datetime.time(21, 22, 23, 240000)
m = DateTimeModel.objects.create(d=d, dt=dt1, t=t)
# Other model with different datetime.
DateTimeModel.objects.create(d=d, dt=dt2, t=t)
self.assertEqual(m, DateTimeModel.objects.get(dt__date=d))
@requires_tz_support
@skipUnlessDBFeature('has_zoneinfo_database')
@override_settings(USE_TZ=True, TIME_ZONE='America/Vancouver')
def test_lookup_date_with_use_tz(self):
d = datetime.date(2014, 3, 12)
# The following is equivalent to UTC 2014-03-12 18:34:23.24000.
dt1 = datetime.datetime(2014, 3, 12, 10, 22, 23, 240000, tzinfo=timezone.get_current_timezone())
# The following is equivalent to UTC 2014-03-13 05:34:23.24000.
dt2 = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000, tzinfo=timezone.get_current_timezone())
t = datetime.time(21, 22, 23, 240000)
m1 = DateTimeModel.objects.create(d=d, dt=dt1, t=t)
m2 = DateTimeModel.objects.create(d=d, dt=dt2, t=t)
# In Vancouver, we expect both results.
self.assertQuerysetEqual(
DateTimeModel.objects.filter(dt__date=d),
[repr(m1), repr(m2)],
ordered=False
)
with self.settings(TIME_ZONE='UTC'):
# But in UTC, the __date only matches one of them.
self.assertQuerysetEqual(DateTimeModel.objects.filter(dt__date=d), [repr(m1)])
class ValidationTest(SimpleTestCase):
def test_datefield_cleans_date(self):
f = models.DateField()
self.assertEqual(datetime.date(2008, 10, 10), f.clean('2008-10-10', None))
from decimal import Decimal
from django.core import validators
from django.core.exceptions import ValidationError
from django.db import connection, models
from django.test import TestCase
from .models import BigD, Foo
class DecimalFieldTests(TestCase):
def test_to_python(self):
f = models.DecimalField(max_digits=4, decimal_places=2)
self.assertEqual(f.to_python(3), Decimal('3'))
self.assertEqual(f.to_python('3.14'), Decimal('3.14'))
with self.assertRaises(ValidationError):
f.to_python('abc')
def test_default(self):
f = models.DecimalField(default=Decimal('0.00'))
self.assertEqual(f.get_default(), Decimal('0.00'))
def test_format(self):
f = models.DecimalField(max_digits=5, decimal_places=1)
self.assertEqual(f._format(f.to_python(2)), '2.0')
self.assertEqual(f._format(f.to_python('2.6')), '2.6')
self.assertEqual(f._format(None), None)
def test_get_db_prep_lookup(self):
f = models.DecimalField(max_digits=5, decimal_places=1)
self.assertEqual(f.get_db_prep_lookup('exact', None, connection=connection), [None])
def test_filter_with_strings(self):
"""
Should be able to filter decimal fields using strings (#8023).
"""
foo = Foo.objects.create(a='abc', d=Decimal('12.34'))
self.assertEqual(list(Foo.objects.filter(d='12.34')), [foo])
def test_save_without_float_conversion(self):
"""
Ensure decimals don't go through a corrupting float conversion during
save (#5079).
"""
bd = BigD(d='12.9')
bd.save()
bd = BigD.objects.get(pk=bd.pk)
self.assertEqual(bd.d, Decimal('12.9'))
def test_lookup_really_big_value(self):
"""
Really big values can be used in a filter statement.
"""
# This should not crash.
Foo.objects.filter(d__gte=100000000000)
def test_max_digits_validation(self):
field = models.DecimalField(max_digits=2)
expected_message = validators.DecimalValidator.messages['max_digits'] % {'max': 2}
with self.assertRaisesMessage(ValidationError, expected_message):
field.clean(100, None)
def test_max_decimal_places_validation(self):
field = models.DecimalField(decimal_places=1)
expected_message = validators.DecimalValidator.messages['max_decimal_places'] % {'max': 1}
with self.assertRaisesMessage(ValidationError, expected_message):
field.clean(Decimal('0.99'), None)
def test_max_whole_digits_validation(self):
field = models.DecimalField(max_digits=3, decimal_places=1)
expected_message = validators.DecimalValidator.messages['max_whole_digits'] % {'max': 2}
with self.assertRaisesMessage(ValidationError, expected_message):
field.clean(Decimal('999'), None)
from django.test import TestCase
from .models import Document
class FileFieldTests(TestCase):
def test_clearable(self):
"""
FileField.save_form_data() will clear its instance attribute value if
passed False.
"""
d = Document(myfile='something.txt')
self.assertEqual(d.myfile, 'something.txt')
field = d._meta.get_field('myfile')
field.save_form_data(d, False)
self.assertEqual(d.myfile, '')
def test_unchanged(self):
"""
FileField.save_form_data() considers None to mean "no change" rather
than "clear".
"""
d = Document(myfile='something.txt')
self.assertEqual(d.myfile, 'something.txt')
field = d._meta.get_field('myfile')
field.save_form_data(d, None)
self.assertEqual(d.myfile, 'something.txt')
def test_changed(self):
"""
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()
d.myfile.delete()
def test_refresh_from_db(self):
d = Document.objects.create(myfile='something.txt')
d.refresh_from_db()
self.assertIs(d.myfile.instance, d)
from django.db import transaction
from django.test import TestCase
from .models import FloatModel
class TestFloatField(TestCase):
def test_float_validates_object(self):
instance = FloatModel(size=2.5)
# Try setting float field to unsaved object
instance.size = instance
with transaction.atomic():
with self.assertRaises(TypeError):
instance.save()
# Set value to valid and save
instance.size = 2.5
instance.save()
self.assertTrue(instance.id)
# Set field to object on saved instance
instance.size = instance
msg = (
'Tried to update field model_fields.FloatModel.size with a model '
'instance, <FloatModel: FloatModel object>. Use a value '
'compatible with FloatField.'
)
with transaction.atomic():
with self.assertRaisesMessage(TypeError, msg):
instance.save()
# Try setting field to object on retrieved object
obj = FloatModel.objects.get(pk=instance.id)
obj.size = obj
with self.assertRaises(TypeError):
obj.save()
from decimal import Decimal
from django.apps import apps
from django.core import checks
from django.db import models
from django.test import TestCase, skipIfDBFeature
from django.test.utils import isolate_apps
from django.utils import six
from .models import Bar, FkToChar, Foo, PrimaryKeyCharModel
class ForeignKeyTests(TestCase):
def test_callable_default(self):
"""A lazy callable may be used for ForeignKey.default."""
a = Foo.objects.create(id=1, a='abc', d=Decimal('12.34'))
b = Bar.objects.create(b='bcd')
self.assertEqual(b.a, a)
@skipIfDBFeature('interprets_empty_strings_as_nulls')
def test_empty_string_fk(self):
"""
Empty strings foreign key values don't get converted to None (#19299).
"""
char_model_empty = PrimaryKeyCharModel.objects.create(string='')
fk_model_empty = FkToChar.objects.create(out=char_model_empty)
fk_model_empty = FkToChar.objects.select_related('out').get(id=fk_model_empty.pk)
self.assertEqual(fk_model_empty.out, char_model_empty)
@isolate_apps('model_fields')
def test_warning_when_unique_true_on_fk(self):
class Foo(models.Model):
pass
class FKUniqueTrue(models.Model):
fk_field = models.ForeignKey(Foo, models.CASCADE, unique=True)
model = FKUniqueTrue()
expected_warnings = [
checks.Warning(
'Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.',
hint='ForeignKey(unique=True) is usually better served by a OneToOneField.',
obj=FKUniqueTrue.fk_field.field,
id='fields.W342',
)
]
warnings = model.check()
self.assertEqual(warnings, expected_warnings)
def test_related_name_converted_to_text(self):
rel_name = Bar._meta.get_field('a').remote_field.related_name
self.assertIsInstance(rel_name, six.text_type)
def test_abstract_model_pending_operations(self):
"""
Foreign key fields declared on abstract models should not add lazy
relations to resolve relationship declared as string (#24215).
"""
pending_ops_before = list(apps._pending_operations.items())
class AbstractForeignKeyModel(models.Model):
fk = models.ForeignKey('missing.FK', models.CASCADE)
class Meta:
abstract = True
self.assertIs(AbstractForeignKeyModel._meta.apps, apps)
self.assertEqual(
pending_ops_before,
list(apps._pending_operations.items()),
'Pending lookup added for a foreign key on an abstract model'
)
@isolate_apps('model_fields', 'model_fields.tests')
def test_abstract_model_app_relative_foreign_key(self):
class AbstractReferent(models.Model):
reference = models.ForeignKey('Refered', on_delete=models.CASCADE)
class Meta:
app_label = 'model_fields'
abstract = True
def assert_app_model_resolved(label):
class Refered(models.Model):
class Meta:
app_label = label
class ConcreteReferent(AbstractReferent):
class Meta:
app_label = label
self.assertEqual(ConcreteReferent._meta.get_field('reference').related_model, Refered)
assert_app_model_resolved('model_fields')
assert_app_model_resolved('tests')
from django.core.exceptions import ValidationError
from django.db import models
from django.test import TestCase
from .models import GenericIPAddress
class GenericIPAddressFieldTests(TestCase):
def test_genericipaddressfield_formfield_protocol(self):
"""
GenericIPAddressField with a specified protocol does not generate a
formfield without a protocol.
"""
model_field = models.GenericIPAddressField(protocol='IPv4')
form_field = model_field.formfield()
with self.assertRaises(ValidationError):
form_field.clean('::1')
model_field = models.GenericIPAddressField(protocol='IPv6')
form_field = model_field.formfield()
with self.assertRaises(ValidationError):
form_field.clean('127.0.0.1')
def test_null_value(self):
"""
Null values should be resolved to None.
"""
GenericIPAddress.objects.create()
o = GenericIPAddress.objects.get()
self.assertIsNone(o.ip)
def test_save_load(self):
instance = GenericIPAddress.objects.create(ip='::1')
loaded = GenericIPAddress.objects.get()
self.assertEqual(loaded.ip, instance.ip)
from django.core import validators
from django.core.exceptions import ValidationError
from django.db import connection, models
from django.test import SimpleTestCase, TestCase
from django.utils import six
from .models import (
BigIntegerModel, IntegerModel, PositiveIntegerModel,
PositiveSmallIntegerModel, SmallIntegerModel,
)
class IntegerFieldTests(TestCase):
model = IntegerModel
documented_range = (-2147483648, 2147483647)
@property
def backend_range(self):
field = self.model._meta.get_field('value')
internal_type = field.get_internal_type()
return connection.ops.integer_field_range(internal_type)
def test_documented_range(self):
"""
Values within the documented safe range pass validation, and can be
saved and retrieved without corruption.
"""
min_value, max_value = self.documented_range
instance = self.model(value=min_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__lte=min_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, min_value)
instance = self.model(value=max_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__gte=max_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, max_value)
def test_backend_range_save(self):
"""
Backend specific ranges can be saved without corruption.
"""
min_value, max_value = self.backend_range
if min_value is not None:
instance = self.model(value=min_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__lte=min_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, min_value)
if max_value is not None:
instance = self.model(value=max_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__gte=max_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, max_value)
def test_backend_range_validation(self):
"""
Backend specific ranges are enforced at the model validation level
(#12030).
"""
min_value, max_value = self.backend_range
if min_value is not None:
instance = self.model(value=min_value - 1)
expected_message = validators.MinValueValidator.message % {
'limit_value': min_value,
}
with self.assertRaisesMessage(ValidationError, expected_message):
instance.full_clean()
instance.value = min_value
instance.full_clean()
if max_value is not None:
instance = self.model(value=max_value + 1)
expected_message = validators.MaxValueValidator.message % {
'limit_value': max_value,
}
with self.assertRaisesMessage(ValidationError, expected_message):
instance.full_clean()
instance.value = max_value
instance.full_clean()
def test_types(self):
instance = self.model(value=0)
self.assertIsInstance(instance.value, six.integer_types)
instance.save()
self.assertIsInstance(instance.value, six.integer_types)
instance = self.model.objects.get()
self.assertIsInstance(instance.value, six.integer_types)
def test_coercing(self):
self.model.objects.create(value='10')
instance = self.model.objects.get(value='10')
self.assertEqual(instance.value, 10)
class SmallIntegerFieldTests(IntegerFieldTests):
model = SmallIntegerModel
documented_range = (-32768, 32767)
class BigIntegerFieldTests(IntegerFieldTests):
model = BigIntegerModel
documented_range = (-9223372036854775808, 9223372036854775807)
class PositiveSmallIntegerFieldTests(IntegerFieldTests):
model = PositiveSmallIntegerModel
documented_range = (0, 32767)
class PositiveIntegerFieldTests(IntegerFieldTests):
model = PositiveIntegerModel
documented_range = (0, 2147483647)
class ValidationTests(SimpleTestCase):
def test_integerfield_cleans_valid_string(self):
f = models.IntegerField()
self.assertEqual(f.clean('2', None), 2)
def test_integerfield_raises_error_on_invalid_intput(self):
f = models.IntegerField()
with self.assertRaises(ValidationError):
f.clean('a', None)
def test_choices_validation_supports_named_groups(self):
f = models.IntegerField(choices=(('group', ((10, 'A'), (20, 'B'))), (30, 'C')))
self.assertEqual(10, f.clean(10, None))
def test_nullable_integerfield_raises_error_with_blank_false(self):
f = models.IntegerField(null=True, blank=False)
with self.assertRaises(ValidationError):
f.clean(None, None)
def test_nullable_integerfield_cleans_none_on_null_and_blank_true(self):
f = models.IntegerField(null=True, blank=True)
self.assertIsNone(f.clean(None, None))
def test_integerfield_raises_error_on_empty_input(self):
f = models.IntegerField(null=False)
with self.assertRaises(ValidationError):
f.clean(None, None)
with self.assertRaises(ValidationError):
f.clean('', None)
def test_integerfield_validates_zero_against_choices(self):
f = models.IntegerField(choices=((1, 1),))
with self.assertRaises(ValidationError):
f.clean('0', None)
from django.apps import apps
from django.db import models
from django.test import SimpleTestCase
from django.test.utils import isolate_apps
class ManyToManyFieldTests(SimpleTestCase):
def test_abstract_model_pending_operations(self):
"""
Many-to-many fields declared on abstract models should not add lazy
relations to resolve relationship declared as string (#24215).
"""
pending_ops_before = list(apps._pending_operations.items())
class AbstractManyToManyModel(models.Model):
fk = models.ForeignKey('missing.FK', models.CASCADE)
class Meta:
abstract = True
self.assertIs(AbstractManyToManyModel._meta.apps, apps)
self.assertEqual(
pending_ops_before,
list(apps._pending_operations.items()),
'Pending lookup added for a many-to-many field on an abstract model'
)
@isolate_apps('model_fields', 'model_fields.tests')
def test_abstract_model_app_relative_foreign_key(self):
class AbstractReferent(models.Model):
reference = models.ManyToManyField('Refered', through='Through')
class Meta:
app_label = 'model_fields'
abstract = True
def assert_app_model_resolved(label):
class Refered(models.Model):
class Meta:
app_label = label
class Through(models.Model):
refered = models.ForeignKey('Refered', on_delete=models.CASCADE)
referent = models.ForeignKey('ConcreteReferent', on_delete=models.CASCADE)
class Meta:
app_label = label
class ConcreteReferent(AbstractReferent):
class Meta:
app_label = label
self.assertEqual(ConcreteReferent._meta.get_field('reference').related_model, Refered)
self.assertEqual(ConcreteReferent.reference.through, Through)
assert_app_model_resolved('model_fields')
assert_app_model_resolved('tests')
from __future__ import unicode_literals
import datetime
import unittest
from decimal import Decimal
from django.db.models.fields import (
AutoField, BigIntegerField, BinaryField, BooleanField, CharField,
CommaSeparatedIntegerField, DateField, DateTimeField, DecimalField,
EmailField, FilePathField, FloatField, GenericIPAddressField, IntegerField,
IPAddressField, NullBooleanField, PositiveIntegerField,
PositiveSmallIntegerField, SlugField, SmallIntegerField, TextField,
TimeField, URLField,
)
from django.db.models.fields.files import FileField, ImageField
from django.test import SimpleTestCase
from django.utils import six
from django.utils.functional import lazy
class PromiseTest(SimpleTestCase):
def test_AutoField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(AutoField(primary_key=True).get_prep_value(lazy_func()), int)
@unittest.skipIf(six.PY3, 'Python 3 has no `long` type.')
def test_BigIntegerField(self):
lazy_func = lazy(lambda: long(9999999999999999999), long) # NOQA: long undefined on PY3
self.assertIsInstance(BigIntegerField().get_prep_value(lazy_func()), long) # NOQA
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.test import TestCase
from .models import BigS, UnicodeSlugField
class SlugFieldTests(TestCase):
def test_slugfield_max_length(self):
"""
SlugField honors max_length.
"""
bs = BigS.objects.create(s='slug' * 50)
bs = BigS.objects.get(pk=bs.pk)
self.assertEqual(bs.s, 'slug' * 50)
def test_slugfield_unicode_max_length(self):
"""
SlugField with allow_unicode=True honors max_length.
"""
bs = UnicodeSlugField.objects.create(s='你好你好' * 50)
bs = UnicodeSlugField.objects.get(pk=bs.pk)
self.assertEqual(bs.s, '你好你好' * 50)
from django.db import models
from django.test import TestCase
from .models import Post
class TextFieldTests(TestCase):
def test_max_length_passed_to_formfield(self):
"""
TextField passes its max_length attribute to form fields created using
their formfield() method.
"""
tf1 = models.TextField()
tf2 = models.TextField(max_length=2345)
self.assertIsNone(tf1.formfield().max_length)
self.assertEqual(2345, tf2.formfield().max_length)
def test_to_python(self):
"""TextField.to_python() should return a string."""
f = models.TextField()
self.assertEqual(f.to_python(1), '1')
def test_lookup_integer_in_textfield(self):
self.assertEqual(Post.objects.filter(body=24).count(), 0)
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import datetime
import unittest
from decimal import Decimal
from django import forms, test
from django.apps import apps
from django.core import checks, validators
from django.core.exceptions import ValidationError
from django.db import IntegrityError, connection, models, transaction
from django.db.models.fields import (
NOT_PROVIDED, AutoField, BigIntegerField, BinaryField, BooleanField,
CharField, CommaSeparatedIntegerField, DateField, DateTimeField,
DecimalField, EmailField, FilePathField, FloatField, GenericIPAddressField,
IntegerField, IPAddressField, NullBooleanField, PositiveIntegerField,
PositiveSmallIntegerField, SlugField, SmallIntegerField, TextField,
TimeField, URLField,
)
from django.db.models.fields.files import FileField, ImageField
from django.test.utils import isolate_apps, requires_tz_support
from django.utils import six, timezone
from django import forms
from django.db import models
from django.test import SimpleTestCase, TestCase
from django.utils.encoding import force_str
from django.utils.functional import lazy
from .models import (
Bar, BigD, BigIntegerModel, BigS, BooleanModel, DataModel, DateTimeModel,
Document, FksToBooleans, FkToChar, FloatModel, Foo, GenericIPAddress,
IntegerModel, NullBooleanModel, PositiveIntegerModel,
PositiveSmallIntegerModel, Post, PrimaryKeyCharModel, RenamedField,
SmallIntegerModel, UnicodeSlugField, VerboseNameField, Whiz, WhizIter,
WhizIterEmpty,
Foo, RenamedField, VerboseNameField, Whiz, WhizIter, WhizIterEmpty,
)
class BasicFieldTests(test.TestCase):
class BasicFieldTests(TestCase):
def test_show_hidden_initial(self):
"""
Regression test for #12913. Make sure fields with choices respect
show_hidden_initial as a kwarg to models.Field.formfield()
Fields with choices respect show_hidden_initial as a kwarg to
formfield().
"""
choices = [(0, 0), (1, 1)]
model_field = models.Field(choices=choices)
......@@ -48,20 +23,9 @@ class BasicFieldTests(test.TestCase):
form_field = model_field.formfield(show_hidden_initial=False)
self.assertFalse(form_field.show_hidden_initial)
def test_nullbooleanfield_blank(self):
"""
Regression test for #13071: NullBooleanField should not throw
a validation error when given a value of None.
"""
nullboolean = NullBooleanModel(nbfield=None)
try:
nullboolean.full_clean()
except ValidationError as e:
self.fail("NullBooleanField failed validation with value of None: %s" % e.messages)
def test_field_repr(self):
"""
Regression test for #5931: __repr__ of a field also displays its name
__repr__() of a field displays its name.
"""
f = Foo._meta.get_field('a')
self.assertEqual(repr(f), '<django.db.models.fields.CharField: a>')
......@@ -70,8 +34,8 @@ class BasicFieldTests(test.TestCase):
def test_field_name(self):
"""
Regression test for #14695: explicitly defined field name overwritten
by model's attribute name.
A defined field name (name="fieldname") is used instead of the model
model's attribute name (modelname).
"""
instance = RenamedField()
self.assertTrue(hasattr(instance, 'get_fieldname_display'))
......@@ -80,40 +44,12 @@ class BasicFieldTests(test.TestCase):
def test_field_verbose_name(self):
m = VerboseNameField
for i in range(1, 24):
self.assertEqual(m._meta.get_field('field%d' % i).verbose_name,
'verbose field%d' % i)
self.assertEqual(m._meta.get_field('field%d' % i).verbose_name, 'verbose field%d' % i)
self.assertEqual(m._meta.get_field('id').verbose_name, 'verbose pk')
def test_float_validates_object(self):
instance = FloatModel(size=2.5)
# Try setting float field to unsaved object
instance.size = instance
with transaction.atomic():
with self.assertRaises(TypeError):
instance.save()
# Set value to valid and save
instance.size = 2.5
instance.save()
self.assertTrue(instance.id)
# Set field to object on saved instance
instance.size = instance
msg = (
"Tried to update field model_fields.FloatModel.size with a model "
"instance, <FloatModel: FloatModel object>. Use a value "
"compatible with FloatField."
)
with transaction.atomic():
with self.assertRaisesMessage(TypeError, msg):
instance.save()
# Try setting field to object on retrieved object
obj = FloatModel.objects.get(pk=instance.id)
obj.size = obj
with self.assertRaises(TypeError):
obj.save()
def test_choices_form_class(self):
"""Can supply a custom choices form class. Regression for #20999."""
"""Can supply a custom choices form class to Field.formfield()"""
choices = [('a', 'a')]
field = models.CharField(choices=choices)
klass = forms.TypedMultipleChoiceField
......@@ -121,448 +57,15 @@ class BasicFieldTests(test.TestCase):
def test_field_str(self):
f = Foo._meta.get_field('a')
self.assertEqual(force_str(f), "model_fields.Foo.a")
class DecimalFieldTests(test.TestCase):
def test_to_python(self):
f = models.DecimalField(max_digits=4, decimal_places=2)
self.assertEqual(f.to_python(3), Decimal("3"))
self.assertEqual(f.to_python("3.14"), Decimal("3.14"))
with self.assertRaises(ValidationError):
f.to_python("abc")
def test_default(self):
f = models.DecimalField(default=Decimal("0.00"))
self.assertEqual(f.get_default(), Decimal("0.00"))
def test_format(self):
f = models.DecimalField(max_digits=5, decimal_places=1)
self.assertEqual(f._format(f.to_python(2)), '2.0')
self.assertEqual(f._format(f.to_python('2.6')), '2.6')
self.assertEqual(f._format(None), None)
def test_get_db_prep_lookup(self):
f = models.DecimalField(max_digits=5, decimal_places=1)
self.assertEqual(f.get_db_prep_lookup('exact', None, connection=connection), [None])
def test_filter_with_strings(self):
"""
We should be able to filter decimal fields using strings (#8023)
"""
Foo.objects.create(id=1, a='abc', d=Decimal("12.34"))
self.assertEqual(list(Foo.objects.filter(d='1.23')), [])
def test_save_without_float_conversion(self):
"""
Ensure decimals don't go through a corrupting float conversion during
save (#5079).
"""
bd = BigD(d="12.9")
bd.save()
bd = BigD.objects.get(pk=bd.pk)
self.assertEqual(bd.d, Decimal("12.9"))
def test_lookup_really_big_value(self):
"""
Ensure that really big values can be used in a filter statement, even
with older Python versions.
"""
# This should not crash. That counts as a win for our purposes.
Foo.objects.filter(d__gte=100000000000)
def test_max_digits_validation(self):
field = models.DecimalField(max_digits=2)
expected_message = validators.DecimalValidator.messages['max_digits'] % {'max': 2}
with self.assertRaisesMessage(ValidationError, expected_message):
field.clean(100, None)
def test_max_decimal_places_validation(self):
field = models.DecimalField(decimal_places=1)
expected_message = validators.DecimalValidator.messages['max_decimal_places'] % {'max': 1}
with self.assertRaisesMessage(ValidationError, expected_message):
field.clean(Decimal('0.99'), None)
def test_max_whole_digits_validation(self):
field = models.DecimalField(max_digits=3, decimal_places=1)
expected_message = validators.DecimalValidator.messages['max_whole_digits'] % {'max': 2}
with self.assertRaisesMessage(ValidationError, expected_message):
field.clean(Decimal('999'), None)
class ForeignKeyTests(test.TestCase):
def test_callable_default(self):
"""Test the use of a lazy callable for ForeignKey.default"""
a = Foo.objects.create(id=1, a='abc', d=Decimal("12.34"))
b = Bar.objects.create(b="bcd")
self.assertEqual(b.a, a)
@test.skipIfDBFeature('interprets_empty_strings_as_nulls')
def test_empty_string_fk(self):
"""
Test that foreign key values to empty strings don't get converted
to None (#19299)
"""
char_model_empty = PrimaryKeyCharModel.objects.create(string='')
fk_model_empty = FkToChar.objects.create(out=char_model_empty)
fk_model_empty = FkToChar.objects.select_related('out').get(id=fk_model_empty.pk)
self.assertEqual(fk_model_empty.out, char_model_empty)
@isolate_apps('model_fields')
def test_warning_when_unique_true_on_fk(self):
class Foo(models.Model):
pass
class FKUniqueTrue(models.Model):
fk_field = models.ForeignKey(Foo, models.CASCADE, unique=True)
model = FKUniqueTrue()
expected_warnings = [
checks.Warning(
'Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.',
hint='ForeignKey(unique=True) is usually better served by a OneToOneField.',
obj=FKUniqueTrue.fk_field.field,
id='fields.W342',
)
]
warnings = model.check()
self.assertEqual(warnings, expected_warnings)
def test_related_name_converted_to_text(self):
rel_name = Bar._meta.get_field('a').remote_field.related_name
self.assertIsInstance(rel_name, six.text_type)
def test_abstract_model_pending_operations(self):
"""
Foreign key fields declared on abstract models should not add lazy relations to
resolve relationship declared as string. refs #24215
"""
pending_ops_before = list(apps._pending_operations.items())
class AbstractForeignKeyModel(models.Model):
fk = models.ForeignKey('missing.FK', models.CASCADE)
class Meta:
abstract = True
self.assertIs(AbstractForeignKeyModel._meta.apps, apps)
self.assertEqual(
pending_ops_before,
list(apps._pending_operations.items()),
"Pending lookup added for a foreign key on an abstract model"
)
@isolate_apps('model_fields', 'model_fields.tests')
def test_abstract_model_app_relative_foreign_key(self):
class AbstractReferent(models.Model):
reference = models.ForeignKey('Refered', on_delete=models.CASCADE)
class Meta:
app_label = 'model_fields'
abstract = True
def assert_app_model_resolved(label):
class Refered(models.Model):
class Meta:
app_label = label
class ConcreteReferent(AbstractReferent):
class Meta:
app_label = label
self.assertEqual(ConcreteReferent._meta.get_field('reference').related_model, Refered)
assert_app_model_resolved('model_fields')
assert_app_model_resolved('tests')
class ManyToManyFieldTests(test.SimpleTestCase):
def test_abstract_model_pending_operations(self):
"""
Many-to-many fields declared on abstract models should not add lazy relations to
resolve relationship declared as string. refs #24215
"""
pending_ops_before = list(apps._pending_operations.items())
class AbstractManyToManyModel(models.Model):
fk = models.ForeignKey('missing.FK', models.CASCADE)
class Meta:
abstract = True
self.assertIs(AbstractManyToManyModel._meta.apps, apps)
self.assertEqual(
pending_ops_before,
list(apps._pending_operations.items()),
"Pending lookup added for a many-to-many field on an abstract model"
)
self.assertEqual(force_str(f), 'model_fields.Foo.a')
@isolate_apps('model_fields', 'model_fields.tests')
def test_abstract_model_app_relative_foreign_key(self):
class AbstractReferent(models.Model):
reference = models.ManyToManyField('Refered', through='Through')
class Meta:
app_label = 'model_fields'
abstract = True
class ChoicesTests(SimpleTestCase):
def assert_app_model_resolved(label):
class Refered(models.Model):
class Meta:
app_label = label
class Through(models.Model):
refered = models.ForeignKey('Refered', on_delete=models.CASCADE)
referent = models.ForeignKey('ConcreteReferent', on_delete=models.CASCADE)
class Meta:
app_label = label
class ConcreteReferent(AbstractReferent):
class Meta:
app_label = label
self.assertEqual(ConcreteReferent._meta.get_field('reference').related_model, Refered)
self.assertEqual(ConcreteReferent.reference.through, Through)
assert_app_model_resolved('model_fields')
assert_app_model_resolved('tests')
class TextFieldTests(test.TestCase):
def test_to_python(self):
"""TextField.to_python() should return a string"""
f = models.TextField()
self.assertEqual(f.to_python(1), '1')
class DateTimeFieldTests(test.TestCase):
def test_datetimefield_to_python_usecs(self):
"""DateTimeField.to_python should support usecs"""
f = models.DateTimeField()
self.assertEqual(f.to_python('2001-01-02 03:04:05.000006'),
datetime.datetime(2001, 1, 2, 3, 4, 5, 6))
self.assertEqual(f.to_python('2001-01-02 03:04:05.999999'),
datetime.datetime(2001, 1, 2, 3, 4, 5, 999999))
def test_timefield_to_python_usecs(self):
"""TimeField.to_python should support usecs"""
f = models.TimeField()
self.assertEqual(f.to_python('01:02:03.000004'),
datetime.time(1, 2, 3, 4))
self.assertEqual(f.to_python('01:02:03.999999'),
datetime.time(1, 2, 3, 999999))
@test.skipUnlessDBFeature("supports_microsecond_precision")
def test_datetimes_save_completely(self):
dat = datetime.date(2014, 3, 12)
datetim = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000)
tim = datetime.time(21, 22, 23, 240000)
DateTimeModel.objects.create(d=dat, dt=datetim, t=tim)
obj = DateTimeModel.objects.first()
self.assertTrue(obj)
self.assertEqual(obj.d, dat)
self.assertEqual(obj.dt, datetim)
self.assertEqual(obj.t, tim)
@test.override_settings(USE_TZ=False)
def test_lookup_date_without_use_tz(self):
d = datetime.date(2014, 3, 12)
dt1 = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000)
dt2 = datetime.datetime(2014, 3, 11, 21, 22, 23, 240000)
t = datetime.time(21, 22, 23, 240000)
m = DateTimeModel.objects.create(d=d, dt=dt1, t=t)
# Other model with different datetime.
DateTimeModel.objects.create(d=d, dt=dt2, t=t)
self.assertEqual(m, DateTimeModel.objects.get(dt__date=d))
@requires_tz_support
@test.skipUnlessDBFeature('has_zoneinfo_database')
@test.override_settings(USE_TZ=True, TIME_ZONE='America/Vancouver')
def test_lookup_date_with_use_tz(self):
d = datetime.date(2014, 3, 12)
# The following is equivalent to UTC 2014-03-12 18:34:23.24000.
dt1 = datetime.datetime(
2014, 3, 12, 10, 22, 23, 240000,
tzinfo=timezone.get_current_timezone()
)
# The following is equivalent to UTC 2014-03-13 05:34:23.24000.
dt2 = datetime.datetime(
2014, 3, 12, 21, 22, 23, 240000,
tzinfo=timezone.get_current_timezone()
)
t = datetime.time(21, 22, 23, 240000)
m1 = DateTimeModel.objects.create(d=d, dt=dt1, t=t)
m2 = DateTimeModel.objects.create(d=d, dt=dt2, t=t)
# In Vancouver, we expect both results.
self.assertQuerysetEqual(
DateTimeModel.objects.filter(dt__date=d),
[repr(m1), repr(m2)],
ordered=False
)
with self.settings(TIME_ZONE='UTC'):
# But in UTC, the __date only matches one of them.
self.assertQuerysetEqual(
DateTimeModel.objects.filter(dt__date=d),
[repr(m1)]
)
class BooleanFieldTests(test.TestCase):
def _test_get_db_prep_lookup(self, f):
self.assertEqual(f.get_db_prep_lookup('exact', True, connection=connection), [True])
self.assertEqual(f.get_db_prep_lookup('exact', '1', connection=connection), [True])
self.assertEqual(f.get_db_prep_lookup('exact', 1, connection=connection), [True])
self.assertEqual(f.get_db_prep_lookup('exact', False, connection=connection), [False])
self.assertEqual(f.get_db_prep_lookup('exact', '0', connection=connection), [False])
self.assertEqual(f.get_db_prep_lookup('exact', 0, connection=connection), [False])
self.assertEqual(f.get_db_prep_lookup('exact', None, connection=connection), [None])
def _test_to_python(self, f):
self.assertIs(f.to_python(1), True)
self.assertIs(f.to_python(0), False)
def test_booleanfield_get_db_prep_lookup(self):
self._test_get_db_prep_lookup(models.BooleanField())
def test_nullbooleanfield_get_db_prep_lookup(self):
self._test_get_db_prep_lookup(models.NullBooleanField())
def test_booleanfield_to_python(self):
self._test_to_python(models.BooleanField())
def test_nullbooleanfield_to_python(self):
self._test_to_python(models.NullBooleanField())
def test_charfield_textfield_max_length_passed_to_formfield(self):
"""
Test that CharField and TextField pass their max_length attributes to
form fields created using their .formfield() method (#22206).
"""
cf1 = models.CharField()
cf2 = models.CharField(max_length=1234)
self.assertIsNone(cf1.formfield().max_length)
self.assertEqual(1234, cf2.formfield().max_length)
tf1 = models.TextField()
tf2 = models.TextField(max_length=2345)
self.assertIsNone(tf1.formfield().max_length)
self.assertEqual(2345, tf2.formfield().max_length)
def test_booleanfield_choices_blank(self):
"""
Test that BooleanField with choices and defaults doesn't generate a
formfield with the blank option (#9640, #10549).
"""
choices = [(1, 'Si'), (2, 'No')]
f = models.BooleanField(choices=choices, default=1, null=False)
self.assertEqual(f.formfield().choices, choices)
def test_return_type(self):
b = BooleanModel()
b.bfield = True
b.save()
b2 = BooleanModel.objects.get(pk=b.pk)
self.assertIsInstance(b2.bfield, bool)
self.assertEqual(b2.bfield, True)
b3 = BooleanModel()
b3.bfield = False
b3.save()
b4 = BooleanModel.objects.get(pk=b3.pk)
self.assertIsInstance(b4.bfield, bool)
self.assertEqual(b4.bfield, False)
b = NullBooleanModel()
b.nbfield = True
b.save()
b2 = NullBooleanModel.objects.get(pk=b.pk)
self.assertIsInstance(b2.nbfield, bool)
self.assertEqual(b2.nbfield, True)
b3 = NullBooleanModel()
b3.nbfield = False
b3.save()
b4 = NullBooleanModel.objects.get(pk=b3.pk)
self.assertIsInstance(b4.nbfield, bool)
self.assertEqual(b4.nbfield, False)
# http://code.djangoproject.com/ticket/13293
# Verify that when an extra clause exists, the boolean
# conversions are applied with an offset
b5 = BooleanModel.objects.all().extra(
select={'string_col': 'string'})[0]
self.assertNotIsInstance(b5.pk, bool)
def test_select_related(self):
"""
Test type of boolean fields when retrieved via select_related() (MySQL,
#15040)
"""
bmt = BooleanModel.objects.create(bfield=True)
bmf = BooleanModel.objects.create(bfield=False)
nbmt = NullBooleanModel.objects.create(nbfield=True)
nbmf = NullBooleanModel.objects.create(nbfield=False)
m1 = FksToBooleans.objects.create(bf=bmt, nbf=nbmt)
m2 = FksToBooleans.objects.create(bf=bmf, nbf=nbmf)
# Test select_related('fk_field_name')
ma = FksToBooleans.objects.select_related('bf').get(pk=m1.id)
# verify types -- shouldn't be 0/1
self.assertIsInstance(ma.bf.bfield, bool)
self.assertIsInstance(ma.nbf.nbfield, bool)
# verify values
self.assertEqual(ma.bf.bfield, True)
self.assertEqual(ma.nbf.nbfield, True)
# Test select_related()
mb = FksToBooleans.objects.select_related().get(pk=m1.id)
mc = FksToBooleans.objects.select_related().get(pk=m2.id)
# verify types -- shouldn't be 0/1
self.assertIsInstance(mb.bf.bfield, bool)
self.assertIsInstance(mb.nbf.nbfield, bool)
self.assertIsInstance(mc.bf.bfield, bool)
self.assertIsInstance(mc.nbf.nbfield, bool)
# verify values
self.assertEqual(mb.bf.bfield, True)
self.assertEqual(mb.nbf.nbfield, True)
self.assertEqual(mc.bf.bfield, False)
self.assertEqual(mc.nbf.nbfield, False)
def test_null_default(self):
"""
Check that a BooleanField defaults to None -- which isn't
a valid value (#15124).
"""
# Patch the boolean field's default value. We give it a default
# value when defining the model to satisfy the check tests
# #20895.
boolean_field = BooleanModel._meta.get_field('bfield')
self.assertTrue(boolean_field.has_default())
old_default = boolean_field.default
try:
boolean_field.default = NOT_PROVIDED
# check patch was successful
self.assertFalse(boolean_field.has_default())
b = BooleanModel()
self.assertIsNone(b.bfield)
with transaction.atomic():
with self.assertRaises(IntegrityError):
b.save()
finally:
boolean_field.default = old_default
nb = NullBooleanModel()
self.assertIsNone(nb.nbfield)
nb.save() # no error
class ChoicesTests(test.SimpleTestCase):
def test_choices_and_field_display(self):
"""
Check that get_choices() interacts with get_FIELD_display() to return
the expected values (#7913).
get_choices() interacts with get_FIELD_display() to return the expected
values.
"""
self.assertEqual(Whiz(c=1).get_c_display(), 'First') # A nested value
self.assertEqual(Whiz(c=0).get_c_display(), 'Other') # A top level value
......@@ -572,7 +75,7 @@ class ChoicesTests(test.SimpleTestCase):
def test_iterator_choices(self):
"""
Check that get_choices works with Iterators (#23112).
get_choices() works with Iterators.
"""
self.assertEqual(WhizIter(c=1).c, 1) # A nested value
self.assertEqual(WhizIter(c=9).c, 9) # Invalid value
......@@ -581,547 +84,9 @@ class ChoicesTests(test.SimpleTestCase):
def test_empty_iterator_choices(self):
"""
Check that get_choices works with empty iterators (#23112).
get_choices() works with empty iterators.
"""
self.assertEqual(WhizIterEmpty(c="a").c, "a") # A nested value
self.assertEqual(WhizIterEmpty(c="b").c, "b") # Invalid value
self.assertEqual(WhizIterEmpty(c=None).c, None) # Blank value
self.assertEqual(WhizIterEmpty(c='').c, '') # Empty value
class SlugFieldTests(test.TestCase):
def test_slugfield_max_length(self):
"""
Make sure SlugField honors max_length (#9706)
"""
bs = BigS.objects.create(s='slug' * 50)
bs = BigS.objects.get(pk=bs.pk)
self.assertEqual(bs.s, 'slug' * 50)
def test_slugfield_unicode_max_length(self):
"""
SlugField with allow_unicode=True should honor max_length.
"""
bs = UnicodeSlugField.objects.create(s='你好你好' * 50)
bs = UnicodeSlugField.objects.get(pk=bs.pk)
self.assertEqual(bs.s, '你好你好' * 50)
class ValidationTest(test.SimpleTestCase):
def test_charfield_raises_error_on_empty_string(self):
f = models.CharField()
with self.assertRaises(ValidationError):
f.clean("", None)
def test_charfield_cleans_empty_string_when_blank_true(self):
f = models.CharField(blank=True)
self.assertEqual('', f.clean('', None))
def test_integerfield_cleans_valid_string(self):
f = models.IntegerField()
self.assertEqual(2, f.clean('2', None))
def test_integerfield_raises_error_on_invalid_intput(self):
f = models.IntegerField()
with self.assertRaises(ValidationError):
f.clean("a", None)
def test_charfield_with_choices_cleans_valid_choice(self):
f = models.CharField(max_length=1,
choices=[('a', 'A'), ('b', 'B')])
self.assertEqual('a', f.clean('a', None))
def test_charfield_with_choices_raises_error_on_invalid_choice(self):
f = models.CharField(choices=[('a', 'A'), ('b', 'B')])
with self.assertRaises(ValidationError):
f.clean("not a", None)
def test_charfield_get_choices_with_blank_defined(self):
f = models.CharField(choices=[('', '<><>'), ('a', 'A')])
self.assertEqual(f.get_choices(True), [('', '<><>'), ('a', 'A')])
def test_charfield_get_choices_doesnt_evaluate_lazy_strings(self):
# Regression test for #23098
# Will raise ZeroDivisionError if lazy is evaluated
lazy_func = lazy(lambda x: 0 / 0, int)
f = models.CharField(choices=[(lazy_func('group'), (('a', 'A'), ('b', 'B')))])
self.assertEqual(f.get_choices(True)[0], ('', '---------'))
def test_choices_validation_supports_named_groups(self):
f = models.IntegerField(
choices=(('group', ((10, 'A'), (20, 'B'))), (30, 'C')))
self.assertEqual(10, f.clean(10, None))
def test_nullable_integerfield_raises_error_with_blank_false(self):
f = models.IntegerField(null=True, blank=False)
with self.assertRaises(ValidationError):
f.clean(None, None)
def test_nullable_integerfield_cleans_none_on_null_and_blank_true(self):
f = models.IntegerField(null=True, blank=True)
self.assertIsNone(f.clean(None, None))
def test_integerfield_raises_error_on_empty_input(self):
f = models.IntegerField(null=False)
with self.assertRaises(ValidationError):
f.clean(None, None)
with self.assertRaises(ValidationError):
f.clean('', None)
def test_integerfield_validates_zero_against_choices(self):
f = models.IntegerField(choices=((1, 1),))
with self.assertRaises(ValidationError):
f.clean('0', None)
def test_charfield_raises_error_on_empty_input(self):
f = models.CharField(null=False)
with self.assertRaises(ValidationError):
f.clean(None, None)
def test_datefield_cleans_date(self):
f = models.DateField()
self.assertEqual(datetime.date(2008, 10, 10), f.clean('2008-10-10', None))
def test_boolean_field_doesnt_accept_empty_input(self):
f = models.BooleanField()
with self.assertRaises(ValidationError):
f.clean(None, None)
class IntegerFieldTests(test.TestCase):
model = IntegerModel
documented_range = (-2147483648, 2147483647)
@property
def backend_range(self):
field = self.model._meta.get_field('value')
internal_type = field.get_internal_type()
return connection.ops.integer_field_range(internal_type)
def test_documented_range(self):
"""
Ensure that values within the documented safe range pass validation,
can be saved and retrieved without corruption.
"""
min_value, max_value = self.documented_range
instance = self.model(value=min_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__lte=min_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, min_value)
instance = self.model(value=max_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__gte=max_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, max_value)
def test_backend_range_save(self):
"""
Ensure that backend specific range can be saved without corruption.
"""
min_value, max_value = self.backend_range
if min_value is not None:
instance = self.model(value=min_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__lte=min_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, min_value)
if max_value is not None:
instance = self.model(value=max_value)
instance.full_clean()
instance.save()
qs = self.model.objects.filter(value__gte=max_value)
self.assertEqual(qs.count(), 1)
self.assertEqual(qs[0].value, max_value)
def test_backend_range_validation(self):
"""
Ensure that backend specific range are enforced at the model
validation level. ref #12030.
"""
min_value, max_value = self.backend_range
if min_value is not None:
instance = self.model(value=min_value - 1)
expected_message = validators.MinValueValidator.message % {
'limit_value': min_value
}
with self.assertRaisesMessage(ValidationError, expected_message):
instance.full_clean()
instance.value = min_value
instance.full_clean()
if max_value is not None:
instance = self.model(value=max_value + 1)
expected_message = validators.MaxValueValidator.message % {
'limit_value': max_value
}
with self.assertRaisesMessage(ValidationError, expected_message):
instance.full_clean()
instance.value = max_value
instance.full_clean()
def test_types(self):
instance = self.model(value=0)
self.assertIsInstance(instance.value, six.integer_types)
instance.save()
self.assertIsInstance(instance.value, six.integer_types)
instance = self.model.objects.get()
self.assertIsInstance(instance.value, six.integer_types)
def test_coercing(self):
self.model.objects.create(value='10')
instance = self.model.objects.get(value='10')
self.assertEqual(instance.value, 10)
class SmallIntegerFieldTests(IntegerFieldTests):
model = SmallIntegerModel
documented_range = (-32768, 32767)
class BigIntegerFieldTests(IntegerFieldTests):
model = BigIntegerModel
documented_range = (-9223372036854775808, 9223372036854775807)
class PositiveSmallIntegerFieldTests(IntegerFieldTests):
model = PositiveSmallIntegerModel
documented_range = (0, 32767)
class PositiveIntegerFieldTests(IntegerFieldTests):
model = PositiveIntegerModel
documented_range = (0, 2147483647)
class TypeCoercionTests(test.TestCase):
"""
Test that database lookups can accept the wrong types and convert
them with no error: especially on Postgres 8.3+ which does not do
automatic casting at the DB level. See #10015.
"""
def test_lookup_integer_in_charfield(self):
self.assertEqual(Post.objects.filter(title=9).count(), 0)
def test_lookup_integer_in_textfield(self):
self.assertEqual(Post.objects.filter(body=24).count(), 0)
class FileFieldTests(unittest.TestCase):
def test_clearable(self):
"""
Test that FileField.save_form_data will clear its instance attribute
value if passed False.
"""
d = Document(myfile='something.txt')
self.assertEqual(d.myfile, 'something.txt')
field = d._meta.get_field('myfile')
field.save_form_data(d, False)
self.assertEqual(d.myfile, '')
def test_unchanged(self):
"""
Test that FileField.save_form_data considers None to mean "no change"
rather than "clear".
"""
d = Document(myfile='something.txt')
self.assertEqual(d.myfile, 'something.txt')
field = d._meta.get_field('myfile')
field.save_form_data(d, None)
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.")
def test_refresh_from_db(self):
d = Document.objects.create(myfile='something.txt')
d.refresh_from_db()
self.assertIs(d.myfile.instance, d)
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')
def test_max_length(self):
dm = DataModel(short_data=self.binary_data * 4)
with 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()
with self.assertRaises(ValidationError):
form_field.clean('::1')
model_field = models.GenericIPAddressField(protocol='IPv6')
form_field = model_field.formfield()
with self.assertRaises(ValidationError):
form_field.clean('127.0.0.1')
def test_null_value(self):
"""
Null values should be resolved to None in Python (#24078).
"""
GenericIPAddress.objects.create()
o = GenericIPAddress.objects.get()
self.assertIsNone(o.ip)
def test_save_load(self):
instance = GenericIPAddress.objects.create(ip='::1')
loaded = GenericIPAddress.objects.get()
self.assertEqual(loaded.ip, instance.ip)
class PromiseTest(test.SimpleTestCase):
def test_AutoField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(
AutoField(primary_key=True).get_prep_value(lazy_func()),
int)
@unittest.skipIf(six.PY3, "Python 3 has no `long` type.")
def test_BigIntegerField(self):
# NOQA: long undefined on PY3
lazy_func = lazy(lambda: long(9999999999999999999), long) # NOQA
self.assertIsInstance(
BigIntegerField().get_prep_value(lazy_func()),
long) # NOQA
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
lazy_func = lazy(lambda: 0, int)
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)
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment