mirror of
https://github.com/encode/django-rest-framework.git
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140 lines
4.4 KiB
Python
140 lines
4.4 KiB
Python
"""Tests for the resource module"""
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from django.db import models
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from django.test import TestCase
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from django.utils.translation import ugettext_lazy
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from djangorestframework.serializer import Serializer
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import datetime
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import decimal
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class TestObjectToData(TestCase):
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"""
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Tests for the Serializer class.
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"""
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def setUp(self):
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self.serializer = Serializer()
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self.serialize = self.serializer.serialize
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def test_decimal(self):
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"""Decimals need to be converted to a string representation."""
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self.assertEquals(self.serialize(decimal.Decimal('1.5')), decimal.Decimal('1.5'))
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def test_function(self):
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"""Functions with no arguments should be called."""
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def foo():
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return 1
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self.assertEquals(self.serialize(foo), 1)
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def test_method(self):
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"""Methods with only a ``self`` argument should be called."""
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class Foo(object):
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def foo(self):
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return 1
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self.assertEquals(self.serialize(Foo().foo), 1)
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def test_datetime(self):
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"""datetime objects are left as-is."""
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now = datetime.datetime.now()
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self.assertEquals(self.serialize(now), now)
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def test_dict_method_name_collision(self):
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"""dict with key that collides with dict method name"""
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self.assertEquals(self.serialize({'items': 'foo'}), {'items': u'foo'})
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self.assertEquals(self.serialize({'keys': 'foo'}), {'keys': u'foo'})
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self.assertEquals(self.serialize({'values': 'foo'}), {'values': u'foo'})
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def test_ugettext_lazy(self):
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self.assertEquals(self.serialize(ugettext_lazy('foobar')), u'foobar')
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class TestFieldNesting(TestCase):
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"""
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Test nesting the fields in the Serializer class
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"""
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def setUp(self):
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self.serializer = Serializer()
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self.serialize = self.serializer.serialize
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class M1(models.Model):
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field1 = models.CharField(max_length=256)
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field2 = models.CharField(max_length=256)
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class M2(models.Model):
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field = models.OneToOneField(M1)
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class M3(models.Model):
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field = models.ForeignKey(M1)
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self.m1 = M1(field1='foo', field2='bar')
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self.m2 = M2(field=self.m1)
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self.m3 = M3(field=self.m1)
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def test_tuple_nesting(self):
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"""
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Test tuple nesting on `fields` attr
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"""
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class SerializerM2(Serializer):
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fields = (('field', ('field1',)),)
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class SerializerM3(Serializer):
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fields = (('field', ('field2',)),)
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self.assertEqual(SerializerM2().serialize(self.m2), {'field': {'field1': u'foo'}})
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self.assertEqual(SerializerM3().serialize(self.m3), {'field': {'field2': u'bar'}})
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def test_serializer_class_nesting(self):
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"""
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Test related model serialization
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"""
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class NestedM2(Serializer):
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fields = ('field1', )
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class NestedM3(Serializer):
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fields = ('field2', )
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class SerializerM2(Serializer):
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fields = [('field', NestedM2)]
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class SerializerM3(Serializer):
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fields = [('field', NestedM3)]
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self.assertEqual(SerializerM2().serialize(self.m2), {'field': {'field1': u'foo'}})
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self.assertEqual(SerializerM3().serialize(self.m3), {'field': {'field2': u'bar'}})
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def test_serializer_classname_nesting(self):
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"""
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Test related model serialization
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"""
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class SerializerM2(Serializer):
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fields = [('field', 'NestedM2')]
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class SerializerM3(Serializer):
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fields = [('field', 'NestedM3')]
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class NestedM2(Serializer):
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fields = ('field1', )
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class NestedM3(Serializer):
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fields = ('field2', )
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self.assertEqual(SerializerM2().serialize(self.m2), {'field': {'field1': u'foo'}})
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self.assertEqual(SerializerM3().serialize(self.m3), {'field': {'field2': u'bar'}})
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def test_serializer_overridden_hook_method(self):
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"""
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Test serializing a model instance which overrides a class method on the
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serializer. Checks for correct behaviour in odd edge case.
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"""
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class SerializerM2(Serializer):
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fields = ('overridden', )
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def overridden(self):
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return False
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self.m2.overridden = True
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self.assertEqual(SerializerM2().serialize_model(self.m2),
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{'overridden': True})
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