def test_remove(cache):
'''Remove item from cache.'''
cache.set('key', 'value')
cache.remove('key')
with pytest.raises(KeyError):
cache.get('key')
def test_set(cache):
'''Set item in cache.'''
with pytest.raises(KeyError):
cache.get('key')
cache.set('key', 'value')
assert cache.get('key') == 'value'
def test_keys(cache):
'''Retrieve keys of items in cache.'''
assert cache.keys() == []
cache.set('a', 'a_value')
cache.set('b', 'b_value')
cache.set('c', 'c_value')
assert sorted(cache.keys()) == sorted(['a', 'b', 'c'])
def test_clear_using_pattern(cache):
'''Remove items that match pattern from cache.'''
cache.set('matching_key', 'value')
cache.set('another_matching_key', 'value')
cache.set('key_not_matching', 'value')
assert cache.keys()
cache.clear(pattern='.*matching_key$')
assert cache.keys() == ['key_not_matching']
def test_clear(cache):
'''Remove items from cache.'''
cache.set('a', 'a_value')
cache.set('b', 'b_value')
cache.set('c', 'c_value')
assert cache.keys()
cache.clear()
assert not cache.keys()
def test_get(cache):
'''Retrieve item from cache.'''
cache.set('key', 'value')
assert cache.get('key') == 'value'