diff options
Diffstat (limited to 'tests/__init__.py')
| -rw-r--r-- | tests/__init__.py | 82 |
1 files changed, 56 insertions, 26 deletions
diff --git a/tests/__init__.py b/tests/__init__.py index 401dd42..c3dde25 100644 --- a/tests/__init__.py +++ b/tests/__init__.py @@ -1,10 +1,13 @@ class CacheTestMixin(object): - def cache(self, maxsize, missing=None, getsizeof=None): - raise NotImplementedError + Cache = None - def test_cache_defaults(self): - cache = self.cache(maxsize=1) +# def cache(self, maxsize, missing=None, getsizeof=None): +# c = self.Cache(maxsize, missing=missing, getsizeof=getsizeof) +# return c + + def test_defaults(self): + cache = self.Cache(maxsize=1) self.assertEqual(0, len(cache)) self.assertEqual(1, cache.maxsize) self.assertEqual(0, cache.currsize) @@ -13,8 +16,8 @@ class CacheTestMixin(object): self.assertEqual(1, cache.getsizeof(0)) self.assertTrue(repr(cache).startswith(cache.__class__.__name__)) - def test_cache_insert(self): - cache = self.cache(maxsize=2) + def test_insert(self): + cache = self.Cache(maxsize=2) cache.update({1: 1, 2: 2}) self.assertEqual(2, len(cache)) @@ -31,8 +34,8 @@ class CacheTestMixin(object): self.assertEqual(4, cache[4]) self.assertTrue(1 in cache or 2 in cache or 3 in cache) - def test_cache_update(self): - cache = self.cache(maxsize=2) + def test_update(self): + cache = self.Cache(maxsize=2) cache.update({1: 1, 2: 2}) self.assertEqual(2, len(cache)) @@ -49,8 +52,8 @@ class CacheTestMixin(object): self.assertEqual('a', cache[1]) self.assertEqual('b', cache[2]) - def test_cache_delete(self): - cache = self.cache(maxsize=2) + def test_delete(self): + cache = self.Cache(maxsize=2) cache.update({1: 1, 2: 2}) self.assertEqual(2, len(cache)) @@ -73,8 +76,8 @@ class CacheTestMixin(object): self.assertNotIn(1, cache) self.assertNotIn(2, cache) - def test_cache_pop(self): - cache = self.cache(maxsize=2) + def test_pop(self): + cache = self.Cache(maxsize=2) cache.update({1: 1, 2: 2}) self.assertEqual(2, cache.pop(2)) @@ -93,8 +96,8 @@ class CacheTestMixin(object): self.assertEqual(None, cache.pop(1, None)) self.assertEqual(None, cache.pop(0, None)) - def test_cache_popitem(self): - cache = self.cache(maxsize=2) + def test_popitem(self): + cache = self.Cache(maxsize=2) cache.update({1: 1, 2: 2}) self.assertIn(cache.pop(1), {1: 1, 2: 2}) @@ -105,9 +108,9 @@ class CacheTestMixin(object): with self.assertRaises(KeyError): cache.popitem() - def test_cache_missing(self): - cache = self.cache(maxsize=2, missing=lambda x: x) - + def _test_missing(self, cache): + self.assertEqual(0, cache.currsize) + self.assertEqual(2, cache.maxsize) self.assertEqual(0, len(cache)) self.assertEqual(1, cache[1]) self.assertEqual(2, cache[2]) @@ -157,8 +160,9 @@ class CacheTestMixin(object): self.assertTrue(1 in cache or 2 in cache) self.assertTrue(1 not in cache or 2 not in cache) - cache = self.cache(maxsize=2, missing=lambda x: x, - getsizeof=lambda x: x) + def _test_missing_getsizeof(self, cache): + self.assertEqual(0, cache.currsize) + self.assertEqual(2, cache.maxsize) self.assertEqual(1, cache[1]) self.assertIn(1, cache) self.assertEqual(2, cache[2]) @@ -169,10 +173,26 @@ class CacheTestMixin(object): self.assertIn(2, cache) self.assertNotIn(3, cache) - def test_cache_getsizeof(self): - cache = self.cache(maxsize=3, getsizeof=lambda x: x) - self.assertEqual(3, cache.maxsize) + def test_missing_param(self): + self._test_missing(self.Cache(maxsize=2, missing=lambda x: x)) + self._test_missing_getsizeof(self.Cache(maxsize=2, missing=lambda x: x, + getsizeof=lambda x: x)) + + def test_missing_subclass(self): + class Cache(self.Cache): + def __missing__(self, key): + try: + self[key] = key + except ValueError: + pass + return key + + self._test_missing(Cache(maxsize=2)) + self._test_missing_getsizeof(Cache(maxsize=2, getsizeof=lambda x: x)) + + def _test_getsizeof(self, cache): self.assertEqual(0, cache.currsize) + self.assertEqual(3, cache.maxsize) self.assertEqual(1, cache.getsizeof(1)) self.assertEqual(2, cache.getsizeof(2)) self.assertEqual(3, cache.getsizeof(3)) @@ -214,10 +234,20 @@ class CacheTestMixin(object): self.assertEqual(3, cache.currsize) self.assertEqual(3, cache[3]) - def test_cache_pickle(self): + def test_getsizeof_param(self): + self._test_getsizeof(self.Cache(maxsize=3, getsizeof=lambda x: x)) + + def test_getsizeof_subclass(self): + class Cache(self.Cache): + def getsizeof(self, value): + return value + + self._test_getsizeof(Cache(maxsize=3)) + + def test_pickle(self): import pickle - source = self.cache(maxsize=2) + source = self.Cache(maxsize=2) source.update({1: 1, 2: 2}) cache = pickle.loads(pickle.dumps(source)) @@ -239,13 +269,13 @@ class CacheTestMixin(object): self.assertEqual(cache, pickle.loads(pickle.dumps(cache))) - def test_cache_pickle_maxsize(self): + def test_pickle_maxsize(self): import pickle import sys # test empty cache, single element, large cache (recursion limit) for n in [0, 1, sys.getrecursionlimit() * 2]: - source = self.cache(maxsize=n) + source = self.Cache(maxsize=n) source.update((i, i) for i in range(n)) cache = pickle.loads(pickle.dumps(source)) self.assertEqual(n, len(cache)) |