def test_is_valid_chain(): blockchain = Blockchain() for i in range(3): blockchain.add_block(i) Blockchain.is_valid_chain(blockchain.chain)
def test_is_valid_chain(blockchain_three_blocks): # blockchain = Blockchain() # for i in range(3): # blockchain.add_block(i) Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain(blockchain_three_blocks): with pytest.raises(Exception, match='chain must have block'): Blockchain.is_valid_chain([]) blockchain_three_blocks.chain[1].hash = 'evil_hash' with pytest.raises(Exception, match='must be formatted correctly'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_genesis(): blockchain = Blockchain() for i in range(3): blockchain.add_block(i) blockchain.chain[0].hash = 'bad-hash' with pytest.raises(Exception, match='The genesis block must be valid'): Blockchain.is_valid_chain(blockchain.chain)
def test_is_valid_chain_invalid_genesis(blockchain_with_blocks): blockchain_with_blocks.chain[0].hash = 3000 with pytest.raises(Exception, match="genesis block is invalid"): Blockchain.is_valid_chain(blockchain_with_blocks.chain)
def test_is_valid_chain(blockchain_with_blocks): Blockchain.is_valid_chain(blockchain_with_blocks.chain)
def test_is_valid_chain_bad_genesis(blockchain_four_blocks): blockchain_four_blocks.chain[0].hash = "bad_hash" with pytest.raises(Exception, match = "Invalid genesis block"): Blockchain.is_valid_chain(blockchain_four_blocks.chain)
def test_is_valid_chain(blockchain_three_blocks): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain(populated_blockchain): Blockchain.is_valid_chain(populated_blockchain.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].hash = 'evil_hash' with pytest.raises(Exception, match='The genesis block is not valid'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].data = 'evil' with pytest.raises(Exception, match='chain must start with the genesis block'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_gensis(blockchain_five_blocks): blockchain_five_blocks.chain[0].hash = 'evil hash haha' # Because we expect an exception with pytest.raises(Exception, match="genesis block must be valid"): Blockchain.is_valid_chain(blockchain_five_blocks.chain)
def test_is_valid_chain(blockchain_five_blocks): # Tests code implicitly by virtue of no exception Blockchain.is_valid_chain(blockchain_five_blocks.chain)
def test_is_valid_chain_bad_genesis(blockchain_init): blockchain_init.chain[0].hash = "evil_hash" with pytest.raises(Exception, match="The genesis block must be valid."): Blockchain.is_valid_chain(blockchain_init.chain)
def test_is_valid_chain(blockchain_init): Blockchain.is_valid_chain(blockchain_init.chain)
def test_is_valid_chain(blockchain): Blockchain.is_valid_chain(blockchain.chain)
def test_is_valid_chain_bad_genesis(blockchain): blockchain.chain[0].hash = 'evil_hash' with raises(Exception, match='Invalid genesis block'): Blockchain.is_valid_chain(blockchain.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].data = 'evil_data' with pytest.raises(Exception, match='The genesis block must be valid'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_replace_chain_bad_chain(blockchain_three_blocks): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].hash = 'evil_hash' with pytest.raises(Exception, match='The chain must start with genesis'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_valid_transaction_chain(blockchain_three_blocks): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].hash = 'evil_hash' #Below code allows to catch exceptions with pytest.raises(Exception, match='The Genesis block must be valid'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_genesis(populated_blockchain): populated_blockchain.chain[0].hash = 'bad_hash' with pytest.raises(Exception, match="The Genesis block is not valid!"): Blockchain.is_valid_chain(populated_blockchain.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].hash = 'bas_hash' with pytest.raises(Exception, match='The genesis block must be valid.'): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain_bad_genesis(blockchain_three_blocks): blockchain_three_blocks.chain[0].block_hash = 'evil_hash' with pytest.raises(Exception, match="genesis block must be valid"): Blockchain.is_valid_chain(blockchain_three_blocks.chain)
def test_is_valid_chain(blockchain_four_blocks): Blockchain.is_valid_chain(blockchain_four_blocks.chain)