author | Nishanth Amuluru <nishanth@fossee.in> |
Tue, 11 Jan 2011 12:30:10 +0530 | |
changeset 378 | 8fcde6f8f750 |
parent 307 | c6bca38c1cbf |
permissions | -rw-r--r-- |
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from unittest import TestCase |
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from sys import version_info |
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try: |
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from functools import wraps |
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except ImportError: |
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from django.utils.functional import wraps # Python 2.4 fallback. |
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from django.http import HttpResponse, HttpRequest |
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from django.utils.functional import allow_lazy, lazy, memoize |
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from django.views.decorators.http import require_http_methods, require_GET, require_POST |
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from django.views.decorators.vary import vary_on_headers, vary_on_cookie |
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from django.views.decorators.cache import cache_page, never_cache, cache_control |
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from django.utils.decorators import method_decorator |
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from django.contrib.auth.decorators import login_required, permission_required, user_passes_test |
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from django.contrib.admin.views.decorators import staff_member_required |
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def fully_decorated(request): |
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"""Expected __doc__""" |
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return HttpResponse('<html><body>dummy</body></html>') |
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fully_decorated.anything = "Expected __dict__" |
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# django.views.decorators.http |
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fully_decorated = require_http_methods(["GET"])(fully_decorated) |
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fully_decorated = require_GET(fully_decorated) |
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fully_decorated = require_POST(fully_decorated) |
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# django.views.decorators.vary |
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fully_decorated = vary_on_headers('Accept-language')(fully_decorated) |
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fully_decorated = vary_on_cookie(fully_decorated) |
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|
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# django.views.decorators.cache |
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fully_decorated = cache_page(60*15)(fully_decorated) |
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fully_decorated = cache_control(private=True)(fully_decorated) |
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fully_decorated = never_cache(fully_decorated) |
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# django.contrib.auth.decorators |
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# Apply user_passes_test twice to check #9474 |
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fully_decorated = user_passes_test(lambda u:True)(fully_decorated) |
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fully_decorated = login_required(fully_decorated) |
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fully_decorated = permission_required('change_world')(fully_decorated) |
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# django.contrib.admin.views.decorators |
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fully_decorated = staff_member_required(fully_decorated) |
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# django.utils.functional |
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fully_decorated = memoize(fully_decorated, {}, 1) |
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fully_decorated = allow_lazy(fully_decorated) |
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fully_decorated = lazy(fully_decorated) |
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class DecoratorsTest(TestCase): |
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def test_attributes(self): |
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""" |
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Tests that django decorators set certain attributes of the wrapped |
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function. |
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""" |
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# Only check __name__ on Python 2.4 or later since __name__ can't be |
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# assigned to in earlier Python versions. |
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if version_info[0] >= 2 and version_info[1] >= 4: |
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self.assertEquals(fully_decorated.__name__, 'fully_decorated') |
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self.assertEquals(fully_decorated.__doc__, 'Expected __doc__') |
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self.assertEquals(fully_decorated.__dict__['anything'], 'Expected __dict__') |
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def test_user_passes_test_composition(self): |
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""" |
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Test that the user_passes_test decorator can be applied multiple times |
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(#9474). |
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""" |
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def test1(user): |
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user.decorators_applied.append('test1') |
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return True |
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def test2(user): |
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user.decorators_applied.append('test2') |
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return True |
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def callback(request): |
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return request.user.decorators_applied |
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callback = user_passes_test(test1)(callback) |
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callback = user_passes_test(test2)(callback) |
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class DummyUser(object): pass |
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class DummyRequest(object): pass |
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request = DummyRequest() |
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request.user = DummyUser() |
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request.user.decorators_applied = [] |
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response = callback(request) |
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self.assertEqual(response, ['test2', 'test1']) |
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def test_cache_page_new_style(self): |
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""" |
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Test that we can call cache_page the new way |
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""" |
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def my_view(request): |
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return "response" |
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my_view_cached = cache_page(123)(my_view) |
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self.assertEqual(my_view_cached(HttpRequest()), "response") |
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my_view_cached2 = cache_page(123, key_prefix="test")(my_view) |
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self.assertEqual(my_view_cached2(HttpRequest()), "response") |
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def test_cache_page_old_style(self): |
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""" |
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Test that we can call cache_page the old way |
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""" |
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def my_view(request): |
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return "response" |
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my_view_cached = cache_page(my_view, 123) |
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self.assertEqual(my_view_cached(HttpRequest()), "response") |
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my_view_cached2 = cache_page(my_view, 123, key_prefix="test") |
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self.assertEqual(my_view_cached2(HttpRequest()), "response") |
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my_view_cached3 = cache_page(my_view) |
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self.assertEqual(my_view_cached3(HttpRequest()), "response") |
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my_view_cached4 = cache_page()(my_view) |
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self.assertEqual(my_view_cached4(HttpRequest()), "response") |
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119 |
|
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120 |
|
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# For testing method_decorator, a decorator that assumes a single argument. |
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# We will get type arguments if there is a mismatch in the number of arguments. |
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def simple_dec(func): |
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def wrapper(arg): |
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return func("test:" + arg) |
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return wraps(func)(wrapper) |
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127 |
|
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simple_dec_m = method_decorator(simple_dec) |
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129 |
|
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130 |
|
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class MethodDecoratorTests(TestCase): |
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""" |
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Tests for method_decorator |
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""" |
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def test_method_decorator(self): |
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class Test(object): |
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@simple_dec_m |
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def say(self, arg): |
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return arg |
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self.assertEqual("test:hello", Test().say("hello")) |