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"""Tests for the resource module"""
from django.test import TestCase
from djangorestframework.serializer import Serializer
from django.db import models
import datetime
import decimal
class TestObjectToData(TestCase):
"""
Tests for the Serializer class.
"""
def setUp(self):
self.serializer = Serializer()
self.serialize = self.serializer.serialize
def test_decimal(self):
"""Decimals need to be converted to a string representation."""
self.assertEquals(self.serialize(decimal.Decimal('1.5')), decimal.Decimal('1.5'))
def test_function(self):
"""Functions with no arguments should be called."""
def foo():
return 1
self.assertEquals(self.serialize(foo), 1)
def test_method(self):
"""Methods with only a ``self`` argument should be called."""
class Foo(object):
def foo(self):
return 1
self.assertEquals(self.serialize(Foo().foo), 1)
def test_datetime(self):
"""
datetime objects are left as-is.
"""
now = datetime.datetime.now()
self.assertEquals(self.serialize(now), now)
class TestFieldNesting(TestCase):
"""
Test nesting the fields in the Serializer class
"""
def setUp(self):
self.serializer = Serializer()
self.serialize = self.serializer.serialize
class M1(models.Model):
field1 = models.CharField()
field2 = models.CharField()
class M2(models.Model):
field = models.OneToOneField(M1)
class M3(models.Model):
field = models.ForeignKey(M1)
self.m1 = M1(field1='foo', field2='bar')
self.m2 = M2(field=self.m1)
self.m3 = M3(field=self.m1)
def test_tuple_nesting(self):
"""
Test tuple nesting on `fields` attr
"""
class SerializerM2(Serializer):
fields = (('field', ('field1',)),)
class SerializerM3(Serializer):
fields = (('field', ('field2',)),)
self.assertEqual(SerializerM2().serialize(self.m2), {'field': {'field1': u'foo'}})
self.assertEqual(SerializerM3().serialize(self.m3), {'field': {'field2': u'bar'}})
def test_serializer_class_nesting(self):
"""
Test related model serialization
"""
class NestedM2(Serializer):
fields = ('field1', )
class NestedM3(Serializer):
fields = ('field2', )
class SerializerM2(Serializer):
fields = [('field', NestedM2)]
class SerializerM3(Serializer):
fields = [('field', NestedM3)]
self.assertEqual(SerializerM2().serialize(self.m2), {'field': {'field1': u'foo'}})
self.assertEqual(SerializerM3().serialize(self.m3), {'field': {'field2': u'bar'}})
def test_serializer_classname_nesting(self):
"""
Test related model serialization
"""
class SerializerM2(Serializer):
fields = [('field', 'NestedM2')]
class SerializerM3(Serializer):
fields = [('field', 'NestedM3')]
class NestedM2(Serializer):
fields = ('field1', )
class NestedM3(Serializer):
fields = ('field2', )
self.assertEqual(SerializerM2().serialize(self.m2), {'field': {'field1': u'foo'}})
self.assertEqual(SerializerM3().serialize(self.m3), {'field': {'field2': u'bar'}})
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