debian-django-rest-framework/tests/utils.py

78 lines
2.0 KiB
Python

from django.core.exceptions import ObjectDoesNotExist
from django.core.urlresolvers import NoReverseMatch
class UsingURLPatterns(object):
"""
Isolates URL patterns used during testing on the test class itself.
For example:
class MyTestCase(UsingURLPatterns, TestCase):
urlpatterns = [
...
]
def test_something(self):
...
"""
urls = __name__
def setUp(self):
global urlpatterns
urlpatterns = self.urlpatterns
def tearDown(self):
global urlpatterns
urlpatterns = []
class MockObject(object):
def __init__(self, **kwargs):
self._kwargs = kwargs
for key, val in kwargs.items():
setattr(self, key, val)
def __str__(self):
kwargs_str = ', '.join([
'%s=%s' % (key, value)
for key, value in sorted(self._kwargs.items())
])
return '<MockObject %s>' % kwargs_str
class MockQueryset(object):
def __init__(self, iterable):
self.items = iterable
def get(self, **lookup):
for item in self.items:
if all([
getattr(item, key, None) == value
for key, value in lookup.items()
]):
return item
raise ObjectDoesNotExist()
class BadType(object):
"""
When used as a lookup with a `MockQueryset`, these objects
will raise a `TypeError`, as occurs in Django when making
queryset lookups with an incorrect type for the lookup value.
"""
def __eq__(self):
raise TypeError()
def mock_reverse(view_name, args=None, kwargs=None, request=None, format=None):
args = args or []
kwargs = kwargs or {}
value = (args + list(kwargs.values()) + ['-'])[0]
prefix = 'http://example.org' if request else ''
suffix = ('.' + format) if (format is not None) else ''
return '%s/%s/%s%s/' % (prefix, view_name, value, suffix)
def fail_reverse(view_name, args=None, kwargs=None, request=None, format=None):
raise NoReverseMatch()