tempest/tests/negative/test_negative_generators.py

# Copyright 2014 Deutsche Telekom AG
# All Rights Reserved.
#
#    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 jsonschema
import mock

import tempest.common.generator.base_generator as base_generator
from tempest.tests import base


class TestNegativeBasicGenerator(base.TestCase):
    valid_desc = {
        "name": "list-flavors-with-detail",
        "http-method": "GET",
        "url": "flavors/detail",
        "json-schema": {
            "type": "object",
            "properties": {
                "minRam": {"type": "integer"},
                "minDisk": {"type": "integer"}
            }
        },
        "resources": ["flavor", "volume", "image"]
    }

    minimal_desc = {
        "name": "list-flavors-with-detail",
        "http-method": "GET",
        "url": "flavors/detail",
    }

    add_prop_desc = {
        "name": "list-flavors-with-detail",
        "http-method": "GET",
        "url": "flavors/detail",
        "unknown_field": [12]
    }

    invalid_json_schema_desc = {
        "name": "list-flavors-with-detail",
        "http-method": "GET",
        "url": "flavors/detail",
        "json-schema": {"type": "NotExistingType"}
    }

    def setUp(self):
        super(TestNegativeBasicGenerator, self).setUp()
        self.generator = base_generator.BasicGeneratorSet()

    def _assert_valid_jsonschema_call(self, jsonschema_mock, desc):
        self.assertEqual(jsonschema_mock.call_count, 1)
        jsonschema_mock.assert_called_with(desc, self.generator.schema)

    @mock.patch('jsonschema.validate', wraps=jsonschema.validate)
    def test_validate_schema_with_valid_input(self, jsonschema_mock):
        self.generator.validate_schema(self.valid_desc)
        self._assert_valid_jsonschema_call(jsonschema_mock, self.valid_desc)

    @mock.patch('jsonschema.validate', wraps=jsonschema.validate)
    def test_validate_schema_with_minimal_input(self, jsonschema_mock):
        self.generator.validate_schema(self.minimal_desc)
        self._assert_valid_jsonschema_call(jsonschema_mock, self.minimal_desc)

    def test_validate_schema_with_invalid_input(self):
        self.assertRaises(jsonschema.ValidationError,
                          self.generator.validate_schema, self.add_prop_desc)
        self.assertRaises(jsonschema.SchemaError,
                          self.generator.validate_schema,
                          self.invalid_json_schema_desc)