public void _When_finding_hash_it_does_not_load_headers() { _blockTree.FindHash(123).Returns(TestItem.KeccakA); Keccak result = _syncServer.FindHash(123); _blockTree.DidNotReceive().FindHeader(Arg.Any <long>(), Arg.Any <BlockTreeLookupOptions>()); _blockTree.DidNotReceive().FindHeader(Arg.Any <Keccak>(), Arg.Any <BlockTreeLookupOptions>()); _blockTree.DidNotReceive().FindBlock(Arg.Any <Keccak>(), Arg.Any <BlockTreeLookupOptions>()); Assert.AreEqual(TestItem.KeccakA, result); }