| # -*- coding: utf-8 -*- |
| """ |
| jinja2.testsuite.utils |
| ~~~~~~~~~~~~~~~~~~~~~~ |
| |
| Tests utilities jinja uses. |
| |
| :copyright: (c) 2010 by the Jinja Team. |
| :license: BSD, see LICENSE for more details. |
| """ |
| import gc |
| import unittest |
| |
| import pickle |
| |
| from jinja2.testsuite import JinjaTestCase |
| |
| from jinja2.utils import LRUCache, escape, object_type_repr |
| |
| |
| class LRUCacheTestCase(JinjaTestCase): |
| |
| def test_simple(self): |
| d = LRUCache(3) |
| d["a"] = 1 |
| d["b"] = 2 |
| d["c"] = 3 |
| d["a"] |
| d["d"] = 4 |
| assert len(d) == 3 |
| assert 'a' in d and 'c' in d and 'd' in d and 'b' not in d |
| |
| def test_pickleable(self): |
| cache = LRUCache(2) |
| cache["foo"] = 42 |
| cache["bar"] = 23 |
| cache["foo"] |
| |
| for protocol in range(3): |
| copy = pickle.loads(pickle.dumps(cache, protocol)) |
| assert copy.capacity == cache.capacity |
| assert copy._mapping == cache._mapping |
| assert copy._queue == cache._queue |
| |
| |
| class HelpersTestCase(JinjaTestCase): |
| |
| def test_object_type_repr(self): |
| class X(object): |
| pass |
| self.assert_equal(object_type_repr(42), 'int object') |
| self.assert_equal(object_type_repr([]), 'list object') |
| self.assert_equal(object_type_repr(X()), |
| 'jinja2.testsuite.utils.X object') |
| self.assert_equal(object_type_repr(None), 'None') |
| self.assert_equal(object_type_repr(Ellipsis), 'Ellipsis') |
| |
| |
| class MarkupLeakTestCase(JinjaTestCase): |
| |
| def test_markup_leaks(self): |
| counts = set() |
| for count in range(20): |
| for item in range(1000): |
| escape("foo") |
| escape("<foo>") |
| escape(u"foo") |
| escape(u"<foo>") |
| counts.add(len(gc.get_objects())) |
| assert len(counts) == 1, 'ouch, c extension seems to leak objects' |
| |
| |
| def suite(): |
| suite = unittest.TestSuite() |
| suite.addTest(unittest.makeSuite(LRUCacheTestCase)) |
| suite.addTest(unittest.makeSuite(HelpersTestCase)) |
| |
| # this test only tests the c extension |
| if not hasattr(escape, 'func_code'): |
| suite.addTest(unittest.makeSuite(MarkupLeakTestCase)) |
| |
| return suite |
