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-"""
-A test spanning all the capabilities of all the serializers.
-
-This class defines sample data and a dynamically generated
-test case that is capable of testing the capabilities of
-the serializers. This includes all valid data values, plus
-forward, backwards and self references.
-"""
-
-
-import datetime
-import decimal
-try:
- from cStringIO import StringIO
-except ImportError:
- from StringIO import StringIO
-
-from django.conf import settings
-from django.core import serializers, management
-from django.db import transaction, DEFAULT_DB_ALIAS
-from django.test import TestCase
-from django.utils.functional import curry
-
-from models import *
-
-# A set of functions that can be used to recreate
-# test data objects of various kinds.
-# The save method is a raw base model save, to make
-# sure that the data in the database matches the
-# exact test case.
-def data_create(pk, klass, data):
- instance = klass(id=pk)
- instance.data = data
- models.Model.save_base(instance, raw=True)
- return [instance]
-
-def generic_create(pk, klass, data):
- instance = klass(id=pk)
- instance.data = data[0]
- models.Model.save_base(instance, raw=True)
- for tag in data[1:]:
- instance.tags.create(data=tag)
- return [instance]
-
-def fk_create(pk, klass, data):
- instance = klass(id=pk)
- setattr(instance, 'data_id', data)
- models.Model.save_base(instance, raw=True)
- return [instance]
-
-def m2m_create(pk, klass, data):
- instance = klass(id=pk)
- models.Model.save_base(instance, raw=True)
- instance.data = data
- return [instance]
-
-def im2m_create(pk, klass, data):
- instance = klass(id=pk)
- models.Model.save_base(instance, raw=True)
- return [instance]
-
-def im_create(pk, klass, data):
- instance = klass(id=pk)
- instance.right_id = data['right']
- instance.left_id = data['left']
- if 'extra' in data:
- instance.extra = data['extra']
- models.Model.save_base(instance, raw=True)
- return [instance]
-
-def o2o_create(pk, klass, data):
- instance = klass()
- instance.data_id = data
- models.Model.save_base(instance, raw=True)
- return [instance]
-
-def pk_create(pk, klass, data):
- instance = klass()
- instance.data = data
- models.Model.save_base(instance, raw=True)
- return [instance]
-
-def inherited_create(pk, klass, data):
- instance = klass(id=pk,**data)
- # This isn't a raw save because:
- # 1) we're testing inheritance, not field behaviour, so none
- # of the field values need to be protected.
- # 2) saving the child class and having the parent created
- # automatically is easier than manually creating both.
- models.Model.save(instance)
- created = [instance]
- for klass,field in instance._meta.parents.items():
- created.append(klass.objects.get(id=pk))
- return created
-
-# A set of functions that can be used to compare
-# test data objects of various kinds
-def data_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- testcase.assertEqual(data, instance.data,
- "Objects with PK=%d not equal; expected '%s' (%s), got '%s' (%s)" % (
- pk, data, type(data), instance.data, type(instance.data))
- )
-
-def generic_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- testcase.assertEqual(data[0], instance.data)
- testcase.assertEqual(data[1:], [t.data for t in instance.tags.order_by('id')])
-
-def fk_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- testcase.assertEqual(data, instance.data_id)
-
-def m2m_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- testcase.assertEqual(data, [obj.id for obj in instance.data.order_by('id')])
-
-def im2m_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- #actually nothing else to check, the instance just should exist
-
-def im_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- testcase.assertEqual(data['left'], instance.left_id)
- testcase.assertEqual(data['right'], instance.right_id)
- if 'extra' in data:
- testcase.assertEqual(data['extra'], instance.extra)
- else:
- testcase.assertEqual("doesn't matter", instance.extra)
-
-def o2o_compare(testcase, pk, klass, data):
- instance = klass.objects.get(data=data)
- testcase.assertEqual(data, instance.data_id)
-
-def pk_compare(testcase, pk, klass, data):
- instance = klass.objects.get(data=data)
- testcase.assertEqual(data, instance.data)
-
-def inherited_compare(testcase, pk, klass, data):
- instance = klass.objects.get(id=pk)
- for key,value in data.items():
- testcase.assertEqual(value, getattr(instance,key))
-
-# Define some data types. Each data type is
-# actually a pair of functions; one to create
-# and one to compare objects of that type
-data_obj = (data_create, data_compare)
-generic_obj = (generic_create, generic_compare)
-fk_obj = (fk_create, fk_compare)
-m2m_obj = (m2m_create, m2m_compare)
-im2m_obj = (im2m_create, im2m_compare)
-im_obj = (im_create, im_compare)
-o2o_obj = (o2o_create, o2o_compare)
-pk_obj = (pk_create, pk_compare)
-inherited_obj = (inherited_create, inherited_compare)
-
-test_data = [
- # Format: (data type, PK value, Model Class, data)
- (data_obj, 1, BooleanData, True),
- (data_obj, 2, BooleanData, False),
- (data_obj, 10, CharData, "Test Char Data"),
- (data_obj, 11, CharData, ""),
- (data_obj, 12, CharData, "None"),
- (data_obj, 13, CharData, "null"),
- (data_obj, 14, CharData, "NULL"),
- (data_obj, 15, CharData, None),
- # (We use something that will fit into a latin1 database encoding here,
- # because that is still the default used on many system setups.)
- (data_obj, 16, CharData, u'\xa5'),
- (data_obj, 20, DateData, datetime.date(2006,6,16)),
- (data_obj, 21, DateData, None),
- (data_obj, 30, DateTimeData, datetime.datetime(2006,6,16,10,42,37)),
- (data_obj, 31, DateTimeData, None),
- (data_obj, 40, EmailData, "hovercraft@example.com"),
- (data_obj, 41, EmailData, None),
- (data_obj, 42, EmailData, ""),
- (data_obj, 50, FileData, 'file:///foo/bar/whiz.txt'),
-# (data_obj, 51, FileData, None),
- (data_obj, 52, FileData, ""),
- (data_obj, 60, FilePathData, "/foo/bar/whiz.txt"),
- (data_obj, 61, FilePathData, None),
- (data_obj, 62, FilePathData, ""),
- (data_obj, 70, DecimalData, decimal.Decimal('12.345')),
- (data_obj, 71, DecimalData, decimal.Decimal('-12.345')),
- (data_obj, 72, DecimalData, decimal.Decimal('0.0')),
- (data_obj, 73, DecimalData, None),
- (data_obj, 74, FloatData, 12.345),
- (data_obj, 75, FloatData, -12.345),
- (data_obj, 76, FloatData, 0.0),
- (data_obj, 77, FloatData, None),
- (data_obj, 80, IntegerData, 123456789),
- (data_obj, 81, IntegerData, -123456789),
- (data_obj, 82, IntegerData, 0),
- (data_obj, 83, IntegerData, None),
- #(XX, ImageData
- (data_obj, 90, IPAddressData, "127.0.0.1"),
- (data_obj, 91, IPAddressData, None),
- (data_obj, 100, NullBooleanData, True),
- (data_obj, 101, NullBooleanData, False),
- (data_obj, 102, NullBooleanData, None),
- (data_obj, 110, PhoneData, "212-634-5789"),
- (data_obj, 111, PhoneData, None),
- (data_obj, 120, PositiveIntegerData, 123456789),
- (data_obj, 121, PositiveIntegerData, None),
- (data_obj, 130, PositiveSmallIntegerData, 12),
- (data_obj, 131, PositiveSmallIntegerData, None),
- (data_obj, 140, SlugData, "this-is-a-slug"),
- (data_obj, 141, SlugData, None),
- (data_obj, 142, SlugData, ""),
- (data_obj, 150, SmallData, 12),
- (data_obj, 151, SmallData, -12),
- (data_obj, 152, SmallData, 0),
- (data_obj, 153, SmallData, None),
- (data_obj, 160, TextData, """This is a long piece of text.
-It contains line breaks.
-Several of them.
-The end."""),
- (data_obj, 161, TextData, ""),
- (data_obj, 162, TextData, None),
- (data_obj, 170, TimeData, datetime.time(10,42,37)),
- (data_obj, 171, TimeData, None),
- (data_obj, 180, USStateData, "MA"),
- (data_obj, 181, USStateData, None),
- (data_obj, 182, USStateData, ""),
- (data_obj, 190, XMLData, "<foo></foo>"),
- (data_obj, 191, XMLData, None),
- (data_obj, 192, XMLData, ""),
-
- (generic_obj, 200, GenericData, ['Generic Object 1', 'tag1', 'tag2']),
- (generic_obj, 201, GenericData, ['Generic Object 2', 'tag2', 'tag3']),
-
- (data_obj, 300, Anchor, "Anchor 1"),
- (data_obj, 301, Anchor, "Anchor 2"),
- (data_obj, 302, UniqueAnchor, "UAnchor 1"),
-
- (fk_obj, 400, FKData, 300), # Post reference
- (fk_obj, 401, FKData, 500), # Pre reference
- (fk_obj, 402, FKData, None), # Empty reference
-
- (m2m_obj, 410, M2MData, []), # Empty set
- (m2m_obj, 411, M2MData, [300,301]), # Post reference
- (m2m_obj, 412, M2MData, [500,501]), # Pre reference
- (m2m_obj, 413, M2MData, [300,301,500,501]), # Pre and Post reference
-
- (o2o_obj, None, O2OData, 300), # Post reference
- (o2o_obj, None, O2OData, 500), # Pre reference
-
- (fk_obj, 430, FKSelfData, 431), # Pre reference
- (fk_obj, 431, FKSelfData, 430), # Post reference
- (fk_obj, 432, FKSelfData, None), # Empty reference
-
- (m2m_obj, 440, M2MSelfData, []),
- (m2m_obj, 441, M2MSelfData, []),
- (m2m_obj, 442, M2MSelfData, [440, 441]),
- (m2m_obj, 443, M2MSelfData, [445, 446]),
- (m2m_obj, 444, M2MSelfData, [440, 441, 445, 446]),
- (m2m_obj, 445, M2MSelfData, []),
- (m2m_obj, 446, M2MSelfData, []),
-
- (fk_obj, 450, FKDataToField, "UAnchor 1"),
- (fk_obj, 451, FKDataToField, "UAnchor 2"),
- (fk_obj, 452, FKDataToField, None),
-
- (fk_obj, 460, FKDataToO2O, 300),
-
- (im2m_obj, 470, M2MIntermediateData, None),
-
- #testing post- and prereferences and extra fields
- (im_obj, 480, Intermediate, {'right': 300, 'left': 470}),
- (im_obj, 481, Intermediate, {'right': 300, 'left': 490}),
- (im_obj, 482, Intermediate, {'right': 500, 'left': 470}),
- (im_obj, 483, Intermediate, {'right': 500, 'left': 490}),
- (im_obj, 484, Intermediate, {'right': 300, 'left': 470, 'extra': "extra"}),
- (im_obj, 485, Intermediate, {'right': 300, 'left': 490, 'extra': "extra"}),
- (im_obj, 486, Intermediate, {'right': 500, 'left': 470, 'extra': "extra"}),
- (im_obj, 487, Intermediate, {'right': 500, 'left': 490, 'extra': "extra"}),
-
- (im2m_obj, 490, M2MIntermediateData, []),
-
- (data_obj, 500, Anchor, "Anchor 3"),
- (data_obj, 501, Anchor, "Anchor 4"),
- (data_obj, 502, UniqueAnchor, "UAnchor 2"),
-
- (pk_obj, 601, BooleanPKData, True),
- (pk_obj, 602, BooleanPKData, False),
- (pk_obj, 610, CharPKData, "Test Char PKData"),
-# (pk_obj, 620, DatePKData, datetime.date(2006,6,16)),
-# (pk_obj, 630, DateTimePKData, datetime.datetime(2006,6,16,10,42,37)),
- (pk_obj, 640, EmailPKData, "hovercraft@example.com"),
-# (pk_obj, 650, FilePKData, 'file:///foo/bar/whiz.txt'),
- (pk_obj, 660, FilePathPKData, "/foo/bar/whiz.txt"),
- (pk_obj, 670, DecimalPKData, decimal.Decimal('12.345')),
- (pk_obj, 671, DecimalPKData, decimal.Decimal('-12.345')),
- (pk_obj, 672, DecimalPKData, decimal.Decimal('0.0')),
- (pk_obj, 673, FloatPKData, 12.345),
- (pk_obj, 674, FloatPKData, -12.345),
- (pk_obj, 675, FloatPKData, 0.0),
- (pk_obj, 680, IntegerPKData, 123456789),
- (pk_obj, 681, IntegerPKData, -123456789),
- (pk_obj, 682, IntegerPKData, 0),
-# (XX, ImagePKData
- (pk_obj, 690, IPAddressPKData, "127.0.0.1"),
- # (pk_obj, 700, NullBooleanPKData, True),
- # (pk_obj, 701, NullBooleanPKData, False),
- (pk_obj, 710, PhonePKData, "212-634-5789"),
- (pk_obj, 720, PositiveIntegerPKData, 123456789),
- (pk_obj, 730, PositiveSmallIntegerPKData, 12),
- (pk_obj, 740, SlugPKData, "this-is-a-slug"),
- (pk_obj, 750, SmallPKData, 12),
- (pk_obj, 751, SmallPKData, -12),
- (pk_obj, 752, SmallPKData, 0),
-# (pk_obj, 760, TextPKData, """This is a long piece of text.
-# It contains line breaks.
-# Several of them.
-# The end."""),
-# (pk_obj, 770, TimePKData, datetime.time(10,42,37)),
- (pk_obj, 780, USStatePKData, "MA"),
-# (pk_obj, 790, XMLPKData, "<foo></foo>"),
-
- (data_obj, 800, AutoNowDateTimeData, datetime.datetime(2006,6,16,10,42,37)),
- (data_obj, 810, ModifyingSaveData, 42),
-
- (inherited_obj, 900, InheritAbstractModel, {'child_data':37,'parent_data':42}),
- (inherited_obj, 910, ExplicitInheritBaseModel, {'child_data':37,'parent_data':42}),
- (inherited_obj, 920, InheritBaseModel, {'child_data':37,'parent_data':42}),
-
- (data_obj, 1000, BigIntegerData, 9223372036854775807),
- (data_obj, 1001, BigIntegerData, -9223372036854775808),
- (data_obj, 1002, BigIntegerData, 0),
- (data_obj, 1003, BigIntegerData, None),
- (data_obj, 1004, LengthModel, 0),
- (data_obj, 1005, LengthModel, 1),
-]
-
-# Because Oracle treats the empty string as NULL, Oracle is expected to fail
-# when field.empty_strings_allowed is True and the value is None; skip these
-# tests.
-if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] == 'django.db.backends.oracle':
- test_data = [data for data in test_data
- if not (data[0] == data_obj and
- data[2]._meta.get_field('data').empty_strings_allowed and
- data[3] is None)]
-
-# Regression test for #8651 -- a FK to an object iwth PK of 0
-# This won't work on MySQL since it won't let you create an object
-# with a primary key of 0,
-if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.mysql':
- test_data.extend([
- (data_obj, 0, Anchor, "Anchor 0"),
- (fk_obj, 465, FKData, 0),
- ])
-
-# Dynamically create serializer tests to ensure that all
-# registered serializers are automatically tested.
-class SerializerTests(TestCase):
- pass
-
-def serializerTest(format, self):
-
- # Create all the objects defined in the test data
- objects = []
- instance_count = {}
- for (func, pk, klass, datum) in test_data:
- objects.extend(func[0](pk, klass, datum))
-
- # Get a count of the number of objects created for each class
- for klass in instance_count:
- instance_count[klass] = klass.objects.count()
-
- # Add the generic tagged objects to the object list
- objects.extend(Tag.objects.all())
-
- # Serialize the test database
- serialized_data = serializers.serialize(format, objects, indent=2)
-
- for obj in serializers.deserialize(format, serialized_data):
- obj.save()
-
- # Assert that the deserialized data is the same
- # as the original source
- for (func, pk, klass, datum) in test_data:
- func[1](self, pk, klass, datum)
-
- # Assert that the number of objects deserialized is the
- # same as the number that was serialized.
- for klass, count in instance_count.items():
- self.assertEquals(count, klass.objects.count())
-
-def fieldsTest(format, self):
- obj = ComplexModel(field1='first', field2='second', field3='third')
- obj.save_base(raw=True)
-
- # Serialize then deserialize the test database
- serialized_data = serializers.serialize(format, [obj], indent=2, fields=('field1','field3'))
- result = serializers.deserialize(format, serialized_data).next()
-
- # Check that the deserialized object contains data in only the serialized fields.
- self.assertEqual(result.object.field1, 'first')
- self.assertEqual(result.object.field2, '')
- self.assertEqual(result.object.field3, 'third')
-
-def streamTest(format, self):
- obj = ComplexModel(field1='first',field2='second',field3='third')
- obj.save_base(raw=True)
-
- # Serialize the test database to a stream
- stream = StringIO()
- serializers.serialize(format, [obj], indent=2, stream=stream)
-
- # Serialize normally for a comparison
- string_data = serializers.serialize(format, [obj], indent=2)
-
- # Check that the two are the same
- self.assertEqual(string_data, stream.getvalue())
- stream.close()
-
-for format in serializers.get_serializer_formats():
- setattr(SerializerTests, 'test_' + format + '_serializer', curry(serializerTest, format))
- setattr(SerializerTests, 'test_' + format + '_serializer_fields', curry(fieldsTest, format))
- if format != 'python':
- setattr(SerializerTests, 'test_' + format + '_serializer_stream', curry(streamTest, format))
generated by cgit (git 2.34.1) at 2025-03-22 18:56:34 +0000