Python Cache Examples

Example #1

File: test_utils.py Project: Bauble/bauble.classic

    def test_respect_size(self):
        from bauble.utils import Cache
        from functools import partial
        invoked = []

        def getter(x):
            invoked.append(x)
            return x

        cache = Cache(2)
        cache.get(1, partial(getter, 1))
        cache.get(2, partial(getter, 2))
        cache.get(3, partial(getter, 3))
        cache.get(4, partial(getter, 4))
        self.assertEquals(invoked, [1, 2, 3, 4])
        self.assertEquals(sorted(cache.storage.keys()), [3, 4])

Example #2

File: test_utils.py Project: Bauble/bauble.classic

    def test_create_store_retrieve(self):
        from bauble.utils import Cache
        from functools import partial
        invoked = []

        def getter(x):
            invoked.append(x)
            return x

        cache = Cache(2)
        v = cache.get(1, partial(getter, 1))
        self.assertEquals(v, 1)
        self.assertEquals(invoked, [1])
        v = cache.get(1, partial(getter, 1))
        self.assertEquals(v, 1)
        self.assertEquals(invoked, [1])

Example #3

File: test_utils.py Project: RoDuth/bauble.classic

    def test_create_store_retrieve(self):
        from bauble.utils import Cache
        from functools import partial
        invoked = []

        def getter(x):
            invoked.append(x)
            return x

        cache = Cache(2)
        v = cache.get(1, partial(getter, 1))
        self.assertEquals(v, 1)
        self.assertEquals(invoked, [1])
        v = cache.get(1, partial(getter, 1))
        self.assertEquals(v, 1)
        self.assertEquals(invoked, [1])

Example #4

File: test_utils.py Project: RoDuth/bauble.classic

    def test_cache_on_hit(self):
        from bauble.utils import Cache
        from functools import partial
        invoked = []

        def getter(x):
            return x

        cache = Cache(2)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(2, partial(getter, 2), on_hit=invoked.append)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(3, partial(getter, 3), on_hit=invoked.append)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(4, partial(getter, 4), on_hit=invoked.append)
        self.assertEquals(invoked, [1, 1, 1])
        self.assertEquals(sorted(cache.storage.keys()), [1, 4])

Example #5

File: test_utils.py Project: Bauble/bauble.classic

    def test_cache_on_hit(self):
        from bauble.utils import Cache
        from functools import partial
        invoked = []

        def getter(x):
            return x

        cache = Cache(2)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(2, partial(getter, 2), on_hit=invoked.append)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(3, partial(getter, 3), on_hit=invoked.append)
        cache.get(1, partial(getter, 1), on_hit=invoked.append)
        cache.get(4, partial(getter, 4), on_hit=invoked.append)
        self.assertEquals(invoked, [1, 1, 1])
        self.assertEquals(sorted(cache.storage.keys()), [1, 4])

Example #6

File: test_utils.py Project: RoDuth/bauble.classic

    def test_respect_timing(self):
        from bauble.utils import Cache
        from functools import partial
        invoked = []

        def getter(x):
            invoked.append(x)
            return x

        cache = Cache(2)
        cache.get(1, partial(getter, 1))
        cache.get(2, partial(getter, 2))
        cache.get(1, partial(getter, 1))
        cache.get(3, partial(getter, 3))
        cache.get(1, partial(getter, 1))
        cache.get(4, partial(getter, 4))
        self.assertEquals(invoked, [1, 2, 3, 4])
        self.assertEquals(sorted(cache.storage.keys()), [1, 4])