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toCheck.py
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from django.core.exceptions import PermissionDenied
from django.http import Http404
from django.test import TestCase
from misago.core.apipatch import ApiPatch, InvalidAction
class MockRequest(object):
def __init__(self, data=None):
self.data = data
class MockObject(object):
def __init__(self, pk):
self.id = pk
self.pk = pk
class ApiPatchTests(TestCase):
def test_add(self):
"""add method adds function to patch object"""
patch = ApiPatch()
def mock_function():
pass
patch.add('test-add', mock_function)
self.assertEqual(len(patch._actions), 1)
self.assertEqual(patch._actions[0]['op'], 'add')
self.assertEqual(patch._actions[0]['path'], 'test-add')
self.assertEqual(patch._actions[0]['handler'], mock_function)
def test_remove(self):
"""remove method adds function to patch object"""
patch = ApiPatch()
def mock_function():
pass
patch.remove('test-remove', mock_function)
self.assertEqual(len(patch._actions), 1)
self.assertEqual(patch._actions[0]['op'], 'remove')
self.assertEqual(patch._actions[0]['path'], 'test-remove')
self.assertEqual(patch._actions[0]['handler'], mock_function)
def test_replace(self):
"""replace method adds function to patch object"""
patch = ApiPatch()
def mock_function():
pass
patch.replace('test-replace', mock_function)
self.assertEqual(len(patch._actions), 1)
self.assertEqual(patch._actions[0]['op'], 'replace')
self.assertEqual(patch._actions[0]['path'], 'test-replace')
self.assertEqual(patch._actions[0]['handler'], mock_function)
def test_validate_action(self):
"""validate_action method validates action dict"""
patch = ApiPatch()
VALID_ACTIONS = [
{
'op': 'add',
'path': 'test',
'value': 42
},
{
'op': 'remove',
'path': 'other-test',
'value': 'Lorem'
},
{
'op': 'replace',
'path': 'false-test',
'value': None
},
]
for action in VALID_ACTIONS:
patch.validate_action(action)
# undefined op
UNSUPPORTED_ACTIONS = ({}, {'op': ''}, {'no': 'op'}, )
for action in UNSUPPORTED_ACTIONS:
try:
patch.validate_action(action)
except InvalidAction as e:
self.assertEqual(e.args[0], u"undefined op")
# unsupported op
try:
patch.validate_action({'op': 'nope'})
except InvalidAction as e:
self.assertEqual(e.args[0], u'"nope" op is unsupported')
# op lacking patch
try:
patch.validate_action({'op': 'add'})
except InvalidAction as e:
self.assertEqual(e.args[0], u'"add" op has to specify path')
# op lacking value
try:
patch.validate_action({
'op': 'add',
'path': 'yolo',
})
except InvalidAction as e:
self.assertEqual(e.args[0], u'"add" op has to specify value')
# empty value is allowed
try:
patch.validate_action({
'op': 'add',
'path': 'yolo',
'value': '',
})
except InvalidAction as e:
self.assertEqual(e.args[0], u'"add" op has to specify value')
def test_dispatch_action(self):
"""dispatch_action calls specified actions"""
patch = ApiPatch()
mock_target = MockObject(13)
def action_a(request 37 , target, value):
self.assertEqual(request, 'request')
self.assertEqual(target, mock_target)
return {'a': value * 2, 'b': 111}
patch.replace('abc', action_a)
def action_b(request, target, value):
self.assertEqual(request, 'request')
self.assertEqual(target, mock_target)
return {'b': value * 10}
patch.replace('abc', action_b)
def action_fail(request, target, value):
self.fail("unrequired action was called")
patch.add('c', action_fail)
patch.remove('c', action_fail)
patch.replace('c', action_fail)
patch_dict = {'id': 123}
patch.dispatch_action(
patch_dict, 'request', mock_target, {
'op': 'replace',
'path': 'abc',
'value': 5,
}
)
self.assertEqual(len(patch_dict), 3)
self.assertEqual(patch_dict['id'], 123)
self.assertEqual(patch_dict['a'], 10)
self.assertEqual(patch_dict['b'], 50)
def test_dispatch(self):
"""dispatch calls actions and returns response"""
patch = ApiPatch()
def action_error(request, target, value):
if value == '404':
raise Http404()
if value == 'perm':
raise PermissionDenied("yo ain't doing that!")
patch.replace('error', action_error)
def action_mutate(request, target, value):
return {'value': value * 2}
patch.replace('mutate', action_mutate)
# dispatch requires list as an argument
response = patch.dispatch(MockRequest({}), {})
self.assertEqual(response.status_code, 400)
self.assertEqual(response.data['detail'], "PATCH request should be list of operations")
# valid dispatch
response = patch.dispatch(
MockRequest([
{
'op': 'replace',
'path': 'mutate',
'value': 2,
},
{
'op': 'replace',
'path': 'mutate',
'value': 6,
},
{
'op': 'replace',
'path': 'mutate',
'value': 7,
},
]), MockObject(13)
)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['detail']), 3)
self.assertEqual(response.data['detail'][0], 'ok')
self.assertEqual(response.data['detail'][1], 'ok')
self.assertEqual(response.data['detail'][2], 'ok')
self.assertEqual(response.data['id'], 13)
self.assertEqual(response.data['value'], 14)
# invalid action in dispatch
response = patch.dispatch(
MockRequest([
{
'op': 'replace',
'path': 'mutate',
'value': 2,
},
{
'op': 'replace',
'path': 'mutate',
'value': 6,
},
{
'op': 'replace',
},
{
'op': 'replace',
'path': 'mutate',
'value': 7,
},
]), MockObject(13)
)
self.assertEqual(response.status_code, 400)
self.assertEqual(len(response.data['detail']), 3)
self.assertEqual(response.data['detail'][0], 'ok')
self.assertEqual(response.data['detail'][1], 'ok')
self.assertEqual(response.data['detail'][2], '"replace" op has to specify path')
self.assertEqual(response.data['id'], 13)
self.assertEqual(response.data['value'], 12)
# action in dispatch raised 404
response = patch.dispatch(
MockRequest([
{
'op': 'replace',
'path': 'mutate',
'value': 2,
},
{
'op': 'replace',
'path': 'error',
'value': '404',
},
{
'op': 'replace',
'path': 'mutate',
'value': 6,
},
{
'op': 'replace',
'path': 'mutate',
'value': 7,
},
]), MockObject(13)
)
self.assertEqual(response.status_code, 400)
self.assertEqual(len(response.data['detail']), 2)
self.assertEqual(response.data['detail'][0], 'ok')
self.assertEqual(response.data['detail'][1], "NOT FOUND")
self.assertEqual(response.data['id'], 13)
self.assertEqual(response.data['value'], 4)
# action in dispatch raised perm denied
response = patch.dispatch(
MockRequest([
{
'op': 'replace',
'path': 'mutate',
'value': 2,
},
{
'op': 'replace',
'path': 'mutate',
'value': 6,
},
{
'op': 'replace',
'path': 'mutate',
'value': 9,
},
{
'op': 'replace',
'path': 'error',
'value': 'perm',
},
]), MockObject(13)
)
self.assertEqual(response.status_code, 400)
self.assertEqual(len(response.data['detail']), 4)
self.assertEqual(response.data['detail'][0], 'ok')
self.assertEqual(response.data['detail'][1], 'ok')
self.assertEqual(response.data['detail'][2], 'ok')
self.assertEqual(response.data['detail'][3], "yo ain't doing that!")
self.assertEqual(response.data['id'], 13)
self.assertEqual(response.data['value'], 18)