""" 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 unittest, datetime from django.utils.functional import curry from django.core import serializers from django.db import transaction from django.core import management from models import * # A set of functions that can be used to recreate # test data objects of various kinds def data_create(pk, klass, data): instance = klass(id=pk) instance.data = data instance.save() return instance def fk_create(pk, klass, data): instance = klass(id=pk) setattr(instance, 'data_id', data) instance.save() return instance def m2m_create(pk, klass, data): instance = klass(id=pk) instance.save() instance.data = data return instance def o2o_create(pk, klass, data): instance = klass() instance.data_id = data instance.save() return instance def pk_create(pk, klass, data): instance = klass() instance.data = data instance.save() return instance # 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', got '%s'" % (pk,data,instance.data)) 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.all()]) 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) # 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) fk_obj = (fk_create, fk_compare) m2m_obj = (m2m_create, m2m_compare) o2o_obj = (o2o_create, o2o_compare) pk_obj = (pk_create, pk_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), (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, 50, FileData, 'file:///foo/bar/whiz.txt'), (data_obj, 51, FileData, None), (data_obj, 60, FilePathData, "/foo/bar/whiz.txt"), (data_obj, 61, FilePathData, None), (data_obj, 70, FloatData, 12.345), (data_obj, 71, FloatData, -12.345), (data_obj, 72, FloatData, 0.0), (data_obj, 73, 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, 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, 190, XMLData, ""), (data_obj, 191, XMLData, None), (data_obj, 300, Anchor, "Anchor 1"), (data_obj, 301, Anchor, "Anchor 2"), (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, []), (data_obj, 500, Anchor, "Anchor 3"), (data_obj, 501, Anchor, "Anchor 4"), (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, FloatPKData, 12.345), (pk_obj, 671, FloatPKData, -12.345), (pk_obj, 672, 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, ""), ] # Dynamically create serializer tests to ensure that all # registered serializers are automatically tested. class SerializerTests(unittest.TestCase): pass def serializerTest(format, self): # Clear the database first management.flush(verbosity=0, interactive=False) # Create all the objects defined in the test data objects = [] transaction.enter_transaction_management() transaction.managed(True) for (func, pk, klass, datum) in test_data: objects.append(func[0](pk, klass, datum)) transaction.commit() transaction.leave_transaction_management() # Serialize the test database serialized_data = serializers.serialize(format, objects, indent=2) # Flush the database and recreate from the serialized data management.flush(verbosity=0, interactive=False) transaction.enter_transaction_management() transaction.managed(True) for obj in serializers.deserialize(format, serialized_data): obj.save() transaction.commit() transaction.leave_transaction_management() # 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) for format in serializers.get_serializer_formats(): setattr(SerializerTests, 'test_'+format+'_serializer', curry(serializerTest, format))