#
# This source file is part of the EdgeDB open source project.
#
# Copyright 2016-present MagicStack Inc. and the EdgeDB authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#


import unittest

from edb import errors


class TestErrorsClasses(unittest.TestCase):

    def test_api_errors_01(self):
        # Test that "edb genexc" tool generates correct
        # class hierarchy.

        self.assertTrue(
            issubclass(errors.InternalServerError, errors.EdgeDBError))

        self.assertEqual(
            errors.InternalServerError('error').get_code(), 0x_01_00_00_00)

        self.assertTrue(
            issubclass(errors.ProtocolError, errors.EdgeDBError))

        self.assertTrue(
            issubclass(errors.BinaryProtocolError, errors.ProtocolError))

        self.assertTrue(
            issubclass(errors.QueryError, errors.EdgeDBError))
        self.assertTrue(
            issubclass(errors.InvalidTypeError, errors.QueryError))
        self.assertTrue(
            issubclass(errors.InvalidTargetError, errors.InvalidTypeError))
        self.assertTrue(
            issubclass(
                errors.InvalidLinkTargetError, errors.InvalidTargetError))
        self.assertFalse(
            issubclass(
                errors.InvalidLinkTargetError,
                errors.InvalidPropertyTargetError))

    def test_api_errors_02(self):
        # Test that "edb genexc" tool doesn't generate errors
        # intended for client libraries.

        self.assertFalse(hasattr(errors, 'ClientError'))
