# Copyright 2012 OpenStack Foundation
#
#    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.

from tempest.api.compute import base
from tempest.common.utils import data_utils
from tempest import config
from tempest import exceptions
from tempest import test

CONF = config.CONF


class ImagesNegativeTestJSON(base.BaseV2ComputeTest):

    @classmethod
    def setUpClass(cls):
        super(ImagesNegativeTestJSON, cls).setUpClass()
        if not CONF.service_available.glance:
            skip_msg = ("%s skipped as glance is not available" % cls.__name__)
            raise cls.skipException(skip_msg)
        cls.client = cls.images_client
        cls.servers_client = cls.servers_client

    @test.attr(type=['negative', 'gate'])
    def test_create_image_from_deleted_server(self):
        # An image should not be created if the server instance is removed
        resp, server = self.create_test_server(wait_until='ACTIVE')

        # Delete server before trying to create server
        self.servers_client.delete_server(server['id'])
        self.servers_client.wait_for_server_termination(server['id'])
       # Create a new image after server is deleted
        name = data_utils.rand_name('image')
        meta = {'image_type': 'test'}
        self.assertRaises(exceptions.NotFound,
                          self.create_image_from_server,
                          server['id'], name=name, meta=meta)

    @test.attr(type=['negative', 'gate'])
    def test_create_image_from_invalid_server(self):
        # An image should not be created with invalid server id
        # Create a new image with invalid server id
        name = data_utils.rand_name('image')
        meta = {'image_type': 'test'}
        resp = {}
        resp['status'] = None
        self.assertRaises(exceptions.NotFound, self.create_image_from_server,
                          '!@#$%^&*()', name=name, meta=meta)

    @test.attr(type=['negative', 'gate'])
    def test_create_image_from_stopped_server(self):
        resp, server = self.create_test_server(wait_until='ACTIVE')
        self.servers_client.stop(server['id'])
        self.servers_client.wait_for_server_status(server['id'],
                                                   'SHUTOFF')
        self.addCleanup(self.servers_client.delete_server, server['id'])
        snapshot_name = data_utils.rand_name('test-snap-')
        resp, image = self.create_image_from_server(server['id'],
                                                    name=snapshot_name,
                                                    wait_until='ACTIVE',
                                                    wait_for_server=False)
        self.addCleanup(self.client.delete_image, image['id'])
        self.assertEqual(snapshot_name, image['name'])

    @test.attr(type=['negative', 'gate'])
    def test_create_image_specify_uuid_35_characters_or_less(self):
        # Return an error if Image ID passed is 35 characters or less
        snapshot_name = data_utils.rand_name('test-snap-')
        test_uuid = ('a' * 35)
        self.assertRaises(exceptions.NotFound, self.client.create_image,
                          test_uuid, snapshot_name)

    @test.attr(type=['negative', 'gate'])
    def test_create_image_specify_uuid_37_characters_or_more(self):
        # Return an error if Image ID passed is 37 characters or more
        snapshot_name = data_utils.rand_name('test-snap-')
        test_uuid = ('a' * 37)
        self.assertRaises(exceptions.NotFound, self.client.create_image,
                          test_uuid, snapshot_name)

    @test.attr(type=['negative', 'gate'])
    def test_delete_image_with_invalid_image_id(self):
        # An image should not be deleted with invalid image id
        self.assertRaises(exceptions.NotFound, self.client.delete_image,
                          '!@$%^&*()')

    @test.attr(type=['negative', 'gate'])
    def test_delete_non_existent_image(self):
        # Return an error while trying to delete a non-existent image

        non_existent_image_id = '11a22b9-12a9-5555-cc11-00ab112223fa'
        self.assertRaises(exceptions.NotFound, self.client.delete_image,
                          non_existent_image_id)

    @test.attr(type=['negative', 'gate'])
    def test_delete_image_blank_id(self):
        # Return an error while trying to delete an image with blank Id
        self.assertRaises(exceptions.NotFound, self.client.delete_image, '')

    @test.attr(type=['negative', 'gate'])
    def test_delete_image_non_hex_string_id(self):
        # Return an error while trying to delete an image with non hex id
        image_id = '11a22b9-120q-5555-cc11-00ab112223gj'
        self.assertRaises(exceptions.NotFound, self.client.delete_image,
                          image_id)

    @test.attr(type=['negative', 'gate'])
    def test_delete_image_negative_image_id(self):
        # Return an error while trying to delete an image with negative id
        self.assertRaises(exceptions.NotFound, self.client.delete_image, -1)

    @test.attr(type=['negative', 'gate'])
    def test_delete_image_id_is_over_35_character_limit(self):
        # Return an error while trying to delete image with id over limit
        self.assertRaises(exceptions.NotFound, self.client.delete_image,
                          '11a22b9-12a9-5555-cc11-00ab112223fa-3fac')


class ImagesNegativeTestXML(ImagesNegativeTestJSON):
    _interface = 'xml'
