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