django-rest-framework/djangorestframework/tests/resources.py

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"""Tests for the resource module"""
from django.test import TestCase
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from djangorestframework.resources import _object_to_data
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from django.db import models
import datetime
import decimal
class TestObjectToData(TestCase):
"""Tests for the _object_to_data function"""
def test_decimal(self):
"""Decimals need to be converted to a string representation."""
self.assertEquals(_object_to_data(decimal.Decimal('1.5')), '1.5')
def test_function(self):
"""Functions with no arguments should be called."""
def foo():
return 1
self.assertEquals(_object_to_data(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(_object_to_data(Foo().foo), 1)
def test_datetime(self):
"""datetime objects are left as-is."""
now = datetime.datetime.now()
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self.assertEquals(_object_to_data(now), now)
def test_tuples(self):
""" Test tuple serialisation """
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)
m1 = M1(field1='foo', field2='bar')
m2 = M2(field=m1)
m3 = M3(field=m1)
Resource = type('Resource', (object,), {'fields':(), 'include':(), 'exclude':()})
r = Resource()
r.fields = (('field', ('field1')),)
self.assertEqual(_object_to_data(m2, r), dict(field=dict(field1=u'foo')))
r.fields = (('field', ('field2')),)
self.assertEqual(_object_to_data(m3, r), dict(field=dict(field2=u'bar')))