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import re
from django.test import TestCase
from django.conf.urls.defaults import patterns, url
from django.test import TestCase
from djangorestframework.response import Response
from djangorestframework.views import View
from djangorestframework.renderers import BaseRenderer, JSONRenderer, YAMLRenderer, \
XMLRenderer, JSONPRenderer, DocumentingHTMLRenderer
from djangorestframework.parsers import JSONParser, YAMLParser, XMLParser
from StringIO import StringIO
import datetime
from decimal import Decimal
_flat_repr = '{"foo": ["bar", "baz"]}'
_indented_repr = '{\n "foo": [\n "bar",\n "baz"\n ]\n}'
def strip_trailing_whitespace(content):
"""
Seems to be some inconsistencies re. trailing whitespace with
different versions of the json lib.
"""
return re.sub(' +\n', '\n', content)
class JSONRendererTests(TestCase):
"""
Tests specific to the JSON Renderer
"""
def test_without_content_type_args(self):
"""
Test basic JSON rendering.
"""
obj = {'foo': ['bar', 'baz']}
renderer = JSONRenderer(None)
content = renderer.render(obj, 'application/json')
# Fix failing test case which depends on version of JSON library.
self.assertEquals(content, _flat_repr)
def test_with_content_type_args(self):
"""
Test JSON rendering with additional content type arguments supplied.
"""
obj = {'foo': ['bar', 'baz']}
renderer = JSONRenderer(None)
content = renderer.render(obj, 'application/json; indent=2')
self.assertEquals(strip_trailing_whitespace(content), _indented_repr)
def test_render_and_parse(self):
"""
Test rendering and then parsing returns the original object.
IE obj -> render -> parse -> obj.
"""
obj = {'foo': ['bar', 'baz']}
renderer = JSONRenderer(None)
parser = JSONParser(None)
content = renderer.render(obj, 'application/json')
(data, files) = parser.parse(StringIO(content))
self.assertEquals(obj, data)
class MockGETView(View):
def get(self, request, **kwargs):
return Response({'foo': ['bar', 'baz']})
urlpatterns = patterns('',
url(r'^jsonp/jsonrenderer$', MockGETView.as_view(renderers=[JSONRenderer, JSONPRenderer])),
url(r'^jsonp/nojsonrenderer$', MockGETView.as_view(renderers=[JSONPRenderer])),
)
class JSONPRendererTests(TestCase):
"""
Tests specific to the JSONP Renderer
"""
urls = 'djangorestframework.tests.renderers'
def test_without_callback_with_json_renderer(self):
"""
Test JSONP rendering with View JSON Renderer.
"""
resp = self.client.get('/jsonp/jsonrenderer',
HTTP_ACCEPT='application/json-p')
self.assertEquals(resp.status_code, 200)
self.assertEquals(resp['Content-Type'], 'application/json-p')
self.assertEquals(resp.content, 'callback(%s);' % _flat_repr)
def test_without_callback_without_json_renderer(self):
"""
Test JSONP rendering without View JSON Renderer.
"""
resp = self.client.get('/jsonp/nojsonrenderer',
HTTP_ACCEPT='application/json-p')
self.assertEquals(resp.status_code, 200)
self.assertEquals(resp['Content-Type'], 'application/json-p')
self.assertEquals(resp.content, 'callback(%s);' % _flat_repr)
def test_with_callback(self):
"""
Test JSONP rendering with callback function name.
"""
callback_func = 'myjsonpcallback'
resp = self.client.get('/jsonp/nojsonrenderer?callback=' + callback_func,
HTTP_ACCEPT='application/json-p')
self.assertEquals(resp.status_code, 200)
self.assertEquals(resp['Content-Type'], 'application/json-p')
self.assertEquals(resp.content, '%s(%s);' % (callback_func, _flat_repr))
if YAMLRenderer:
_yaml_repr = 'foo: [bar, baz]\n'
class YAMLRendererTests(TestCase):
"""
Tests specific to the JSON Renderer
"""
def test_render(self):
"""
Test basic YAML rendering.
"""
obj = {'foo': ['bar', 'baz']}
renderer = YAMLRenderer(None)
content = renderer.render(obj, 'application/yaml')
self.assertEquals(content, _yaml_repr)
def test_render_and_parse(self):
"""
Test rendering and then parsing returns the original object.
IE obj -> render -> parse -> obj.
"""
obj = {'foo': ['bar', 'baz']}
renderer = YAMLRenderer(None)
parser = YAMLParser(None)
content = renderer.render(obj, 'application/yaml')
(data, files) = parser.parse(StringIO(content))
self.assertEquals(obj, data)
class XMLRendererTestCase(TestCase):
"""
Tests specific to the XML Renderer
"""
_complex_data = {
"creation_date": datetime.datetime(2011, 12, 25, 12, 45, 00),
"name": "name",
"sub_data_list": [
{
"sub_id": 1,
"sub_name": "first"
},
{
"sub_id": 2,
"sub_name": "second"
}
]
}
def test_render_string(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render({'field': 'astring'}, 'application/xml')
self.assertXMLContains(content, '<field>astring</field>')
def test_render_integer(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render({'field': 111}, 'application/xml')
self.assertXMLContains(content, '<field>111</field>')
def test_render_datetime(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render({
'field': datetime.datetime(2011, 12, 25, 12, 45, 00)
}, 'application/xml')
self.assertXMLContains(content, '<field>2011-12-25 12:45:00</field>')
def test_render_float(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render({'field': 123.4}, 'application/xml')
self.assertXMLContains(content, '<field>123.4</field>')
def test_render_decimal(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render({'field': Decimal('111.2')}, 'application/xml')
self.assertXMLContains(content, '<field>111.2</field>')
def test_render_none(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render({'field': None}, 'application/xml')
self.assertXMLContains(content, '<field></field>')
def test_render_complex_data(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = renderer.render(self._complex_data, 'application/xml')
self.assertXMLContains(content, '<sub_name>first</sub_name>')
self.assertXMLContains(content, '<sub_name>second</sub_name>')
def test_render_and_parse_complex_data(self):
"""
Test XML rendering.
"""
renderer = XMLRenderer(None)
content = StringIO(renderer.render(self._complex_data, 'application/xml'))
parser = XMLParser(None)
complex_data_out, dummy = parser.parse(content)
error_msg = "complex data differs!IN:\n %s \n\n OUT:\n %s" % (repr(self._complex_data), repr(complex_data_out))
self.assertEqual(self._complex_data, complex_data_out, error_msg)
def assertXMLContains(self, xml, string):
self.assertTrue(xml.startswith('<?xml version="1.0" encoding="utf-8"?>\n<root>'))
self.assertTrue(xml.endswith('</root>'))
self.assertTrue(string in xml, '%r not in %r' % (string, xml))
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