def test_pin_dirty(self):
cc = ChunkCache()
chunk = MockChunk(1, 2)
cc.pin(chunk)
cc.dirtied(chunk)
cc.unpin(chunk)
self.assertIs(cc.get((1, 2)), chunk)
def test_pin_dirty(self):
cc = ChunkCache()
chunk = MockChunk(1, 2)
cc.pin(chunk)
cc.dirtied(chunk)
cc.unpin(chunk)
self.assertIs(cc.get((1, 2)), chunk)
