def test_cached_render_hit(cache):
"""Check rendering with a cache hit.
The rendering should be bypassed entirely.
"""
cache.get.return_value = 'I am a cached result'
dummy_function = Mock()
result = cached_render(dummy_function, 'fish', cache_tag='flibble')
assert_equal(result, 'I am a cached result')
assert isinstance(result, (SafeString, SafeUnicode))
assert not dummy_function.called
def test_cached_render_miss(cache):
"""Check rendering on an empty cache.
The render function should be called, and the result set in the cache
before returning.
"""
cache.get.return_value = None
assert_equal(cached_render(str.upper, 'fish', cache_tag='flibble'), 'FISH')
assert cache.get.called
assert cache.set.called
assert_equal(cache.get.call_args[0][0], cache.set.call_args[0][0])
assert_equal(cache.set.call_args[0][1], 'FISH')
