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import six
import unittest
from restless.exceptions import HttpError, NotFound, MethodNotImplemented
from restless.preparers import Preparer, FieldsPreparer
from restless.resources import Resource
from restless.utils import json
from .fakes import FakeHttpRequest, FakeHttpResponse
class NonDjangoResource(Resource):
# Because the default implementation is a tiny-bit Django-specific,
# we're faking some things here.
def build_response(self, data, status=200):
resp = FakeHttpResponse(data, content_type='application/json')
resp.status_code = status
return resp
# This should Fake some endpoint Authentication
def is_authenticated(self):
if self.endpoint == 'list':
return False
return super(NonDjangoResource, self).is_authenticated()
class ResourceTestCase(unittest.TestCase):
resource_class = NonDjangoResource
def setUp(self):
super(ResourceTestCase, self).setUp()
self.res = self.resource_class()
# Assign here, since we typically won't be entering through
# ``as_list/as_detail`` methods like normal flow.
self.res.request = FakeHttpRequest()
def test_init(self):
res = self.resource_class('abc', test=True)
self.assertEqual(res.init_args, ('abc',))
self.assertEqual(res.init_kwargs, {'test': True})
self.assertEqual(res.request, None)
self.assertEqual(res.data, None)
self.assertEqual(res.endpoint, None)
self.assertEqual(res.status, 200)
def test_request_method(self):
self.assertEqual(self.res.request_method(), 'GET')
self.res.request = FakeHttpRequest('POST', '{"hello": "world"}')
self.assertEqual(self.res.request_method(), 'POST')
self.res.request = FakeHttpRequest('PUT', '{"hello": "world"}')
self.assertEqual(self.res.request_method(), 'PUT')
self.res.request = FakeHttpRequest('DELETE', '')
self.assertEqual(self.res.request_method(), 'DELETE')
def test_request_body(self):
if six.PY3:
self.assertEqual(self.res.request_body(), b'')
else:
self.assertEqual(self.res.request_body(), '')
self.res.request = FakeHttpRequest('POST', '{"hello": "world"}')
if six.PY3:
self.assertEqual(self.res.request_body(), b'{"hello": "world"}')
else:
self.assertEqual(self.res.request_body(), '{"hello": "world"}')
self.res.request = FakeHttpRequest('PUT', '{"hello": "world"}')
if six.PY3:
self.assertEqual(self.res.request_body(), b'{"hello": "world"}')
else:
self.assertEqual(self.res.request_body(), '{"hello": "world"}')
self.res.request = FakeHttpRequest('DELETE', '{}')
if six.PY3:
self.assertEqual(self.res.request_body(), b'{}')
else:
self.assertEqual(self.res.request_body(), '{}')
def test_build_response(self):
resp = self.res.build_response('Hello, world!')
self.assertEqual(resp.body, 'Hello, world!')
self.assertEqual(resp.content_type, 'application/json')
self.assertEqual(resp.status_code, 200)
resp = self.res.build_response('{"hello": "world"}', status=302)
self.assertEqual(resp.body, '{"hello": "world"}')
self.assertEqual(resp.content_type, 'application/json')
self.assertEqual(resp.status_code, 302)
def test_build_error(self):
err = HttpError("Whoopsie")
resp = self.res.build_error(err)
resp_body = json.loads(resp.body)
self.assertEqual(resp_body, {'error': 'Whoopsie'})
self.assertEqual(resp.content_type, 'application/json')
self.assertEqual(resp.status_code, 500)
nf_err = NotFound()
resp = self.res.build_error(nf_err)
resp_body = json.loads(resp.body)
# Default error message.
self.assertEqual(resp_body, {'error': 'Resource not found.'})
self.assertEqual(resp.content_type, 'application/json')
# Custom status code.
self.assertEqual(resp.status_code, 404)
# Non-restless exception.
unknown_err = AttributeError("'something' not found on the object.")
resp = self.res.build_error(unknown_err)
resp_body = json.loads(resp.body)
# Still gets the JSON treatment & an appropriate status code.
self.assertEqual(resp_body, {'error': "'something' not found on the object."})
self.assertEqual(resp.content_type, 'application/json')
self.assertEqual(resp.status_code, 500)
def test_is_debug(self):
self.assertFalse(self.res.is_debug())
def test_bubble_exceptions(self):
self.assertFalse(self.res.bubble_exceptions())
def test_deserialize(self):
list_body = '["one", "three", "two"]'
self.assertEqual(self.res.deserialize('POST', 'list', list_body), [
"one",
"three",
"two",
])
# Should select list.
self.assertEqual(self.res.deserialize('POST', 'list', ''), [])
# Should select detail.
self.assertEqual(self.res.deserialize('PUT', 'detail', ''), {})
def test_deserialize_list(self):
body = '["one", "three", "two"]'
self.assertEqual(self.res.deserialize_list(body), [
"one",
"three",
"two",
])
self.assertEqual(self.res.deserialize_list(''), [])
def test_deserialize_detail(self):
body = '{"title": "Hitchhiker\'s Guide To The Galaxy", "author": "Douglas Adams"}'
self.assertEqual(self.res.deserialize_detail(body), {
'author': 'Douglas Adams',
'title': "Hitchhiker's Guide To The Galaxy",
})
self.assertEqual(self.res.deserialize_detail(''), {})
def test_serialize(self):
list_data = ['a', 'c', 'b']
detail_data = {'hello': 'world'}
# Normal calls.
self.assertEqual(self.res.serialize('GET', 'list', list_data), '{"objects": ["a", "c", "b"]}')
self.assertEqual(self.res.serialize('GET', 'detail', detail_data), '{"hello": "world"}')
# The create special-case.
self.assertEqual(self.res.serialize('POST', 'list', detail_data), '{"hello": "world"}')
# Make sure other methods aren't special-cased.
self.assertEqual(self.res.serialize('PUT', 'list', list_data), '{"objects": ["a", "c", "b"]}')
def test_serialize_list(self):
data = [
{
'title': 'Cosmos',
'author': 'Carl Sagan',
'short_desc': 'A journey through the stars by an emminent astrophysist.',
'pub_date': '1980',
},
{
'title': "Hitchhiker's Guide To The Galaxy",
'author': 'Douglas Adams',
'short_desc': "Don't forget your towel.",
'pub_date': '1979',
}
]
self.res.preparer = FieldsPreparer(fields={
'title': 'title',
'author': 'author',
'synopsis': 'short_desc',
})
res = self.res.serialize_list(data)
self.assertEqual(json.loads(res), {
'objects': [
{
'author': 'Carl Sagan',
'synopsis': 'A journey through the stars by an emminent astrophysist.',
'title': 'Cosmos'
},
{
'title': "Hitchhiker's Guide To The Galaxy",
'author': 'Douglas Adams',
'synopsis': "Don't forget your towel.",
},
],
})
# Make sure we don't try to serialize a ``None``, which would fail.
self.assertEqual(self.res.serialize_list(None), '')
def test_serialize_detail(self):
# This isn't very unit-y, but we're also testing that we're using the
# right JSON encoder & that it can handle other data types.
data = {
'title': 'Cosmos',
'author': 'Carl Sagan',
'short_desc': 'A journey through the stars by an emminent astrophysist.',
}
self.res.preparer = FieldsPreparer(fields={
'title': 'title',
'author': 'author',
'synopsis': 'short_desc',
})
res = self.res.serialize_detail(data)
self.assertEqual(json.loads(res), {
'author': 'Carl Sagan',
'synopsis': 'A journey through the stars by an emminent astrophysist.',
'title': 'Cosmos'
})
# Make sure we don't try to serialize a ``None``, which would fail.
self.assertEqual(self.res.serialize_detail(None), '')
def test_prepare(self):
# Without fields.
data = {
'title': 'Cosmos',
'author': 'Carl Sagan',
'short_desc': 'A journey through the stars by an emminent astrophysist.',
'pub_date': '1980'
}
# Should be unmodified.
self.assertTrue(isinstance(self.res.preparer, Preparer))
self.assertEqual(self.res.prepare(data), data)
self.res.preparer = FieldsPreparer(fields={
'title': 'title',
'author': 'author',
'synopsis': 'short_desc',
})
self.assertEqual(self.res.prepare(data), {
'author': 'Carl Sagan',
'synopsis': 'A journey through the stars by an emminent astrophysist.',
'title': 'Cosmos'
})
def test_wrap_list_response(self):
data = ['one', 'three', 'two']
self.assertEqual(self.res.wrap_list_response(data), {
'objects': [
'one',
'three',
'two',
],
})
def test_is_authenticated(self):
# By default, only GETs are allowed.
self.assertTrue(self.res.is_authenticated())
self.res.request = FakeHttpRequest('POST')
self.assertFalse(self.res.is_authenticated())
self.res.request = FakeHttpRequest('PUT')
self.assertFalse(self.res.is_authenticated())
self.res.request = FakeHttpRequest('DELETE')
self.assertFalse(self.res.is_authenticated())
self.res.handle('list')
self.assertFalse(self.res.is_authenticated())
def test_list(self):
with self.assertRaises(MethodNotImplemented):
self.res.list()
def test_detail(self):
with self.assertRaises(MethodNotImplemented):
self.res.detail()
def test_create(self):
with self.assertRaises(MethodNotImplemented):
self.res.create()
def test_update(self):
with self.assertRaises(MethodNotImplemented):
self.res.update()
def test_delete(self):
with self.assertRaises(MethodNotImplemented):
self.res.delete()
def test_update_list(self):
with self.assertRaises(MethodNotImplemented):
self.res.update_list()
def test_create_detail(self):
with self.assertRaises(MethodNotImplemented):
self.res.create_detail()
def test_delete_list(self):
with self.assertRaises(MethodNotImplemented):
self.res.delete_list()
def test_endpoint_list(self):
self.res.handle('list')
self.assertEqual(self.res.endpoint, 'list')
def test_endpoint_detail(self):
self.res.handle('detail')
self.assertEqual(self.res.endpoint, 'detail')
def test_endpoint_create(self):
self.res.handle('create')
self.assertEqual(self.res.endpoint, 'create')
def test_endpoint_update(self):
self.res.handle('update')
self.assertEqual(self.res.endpoint, 'update')
def test_endpoint_delete(self):
self.res.handle('delete')
self.assertEqual(self.res.endpoint, 'delete')
def test_endpoint_update_list(self):
self.res.handle('update_list')
self.assertEqual(self.res.endpoint, 'update_list')
def test_endpoint_create_detail(self):
self.res.handle('create_detail')
self.assertEqual(self.res.endpoint, 'create_detail')
def test_endpoint_delete_list(self):
self.res.handle('delete_list')
self.assertEqual(self.res.endpoint, 'delete_list')
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