from pytest import raises

from bigchaindb.common.exceptions import SchemaValidationError
from bigchaindb.common.schema import validate_transaction_schema


def test_validate_transaction_create(create_tx):
    validate_transaction_schema(create_tx.to_dict())


def test_validate_transaction_signed_create(signed_create_tx):
    validate_transaction_schema(signed_create_tx.to_dict())


def test_validate_transaction_signed_transfer(signed_transfer_tx):
    validate_transaction_schema(signed_transfer_tx.to_dict())


def test_validate_transaction_fails():
    with raises(SchemaValidationError):
        validate_transaction_schema({})


def test_validate_fails_metadata_empty_dict(create_tx):
    create_tx.metadata = {'a': 1}
    validate_transaction_schema(create_tx.to_dict())
    create_tx.metadata = None
    validate_transaction_schema(create_tx.to_dict())
    create_tx.metadata = {}
    with raises(SchemaValidationError):
        validate_transaction_schema(create_tx.to_dict())