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from mock import patch

from unittest import TestCase

from kamaki.clients import ClientError

example_images = [

    {

        "status": "available",

        "name": "Archlinux",

        "disk_format": "diskdump",

        "container_format": "bare",

        "id": "b4713f20-3a41-4eaf-81ae-88698c18b3e8",

        "size": 752782848},

    {

        "status": "available",

        "name": "maelstrom",

        "disk_format": "diskdump",

        "container_format": "bare",

        "id": "0fb03e45-7d5a-4515-bd4e-e6bbf6457f06",

        "size": 2583195644},

    {

        "status": "available",

        "name": "Gardenia",

        "disk_format": "diskdump",

        "container_format": "bare",

        "id": "5963020b-ab74-4e11-bc59-90c494bbdedb",

        "size": 2589802496}]

example_images_detailed = [

    {

        "status": "available",

        "name": "Archlinux",

        "checksum": "1a126aad07475b43cc1959b446344211be13974",

        "created_at": "2013-01-28 22:44:54",

        "disk_format": "diskdump",

        "updated_at": "2013-01-28 22:44:55",

        "properties": {

            "partition_table": "msdos",

            "osfamily": "linux",

            "users": "root",

            "exclude_task_assignhostname": "yes",

            "os": "archlinux",

            "root_partition": "1",

            "description": "Archlinux base install 2012.12.01"},

        "location": "pithos://us3r-I6E-1d/images/archlinux.12.2012",

        "container_format": "bare",

        "owner": "user163@mail.example.com",

        "is_public": True,

        "deleted_at": "",

        "id": "b4713f20-3a41-4eaf-81ae-88698c18b3e8",

        "size": 752782848},

    {

        "status": "available",

        "name": "maelstrom",

        "checksum": "b202b8c7030cb22f896c6664ac",

        "created_at": "2013-02-13 10:07:42",

        "disk_format": "diskdump",

        "updated_at": "2013-02-13 10:07:44",

        "properties": {

            "partition_table": "msdos",

            "osfamily": "linux",

            "description": "Ubuntu 12.04.1 LTS",

            "os": "ubuntu",

            "root_partition": "1",

            "users": "user"},

        "location": "pithos://us3r-@r3n@-1d/images/mls-201302131203.diskdump",

        "container_format": "bare",

        "owner": "user3@mail.example.com",

        "is_public": True,

        "deleted_at": "",

        "id": "0fb03e45-7d5a-4515-bd4e-e6bbf6457f06",

        "size": 2583195648},

    {

        "status": "available",

        "name": "Gardenia",

        "checksum": "06d3099815d1f6fada91e80107638b882",

        "created_at": "2013-02-13 12:35:21",

        "disk_format": "diskdump",

        "updated_at": "2013-02-13 12:35:23",

        "properties": {

            "partition_table": "msdos",

            "osfamily": "linux",

            "description": "Ubuntu 12.04.2 LTS",

            "os": "ubuntu",

            "root_partition": "1",

            "users": "user"},

        "location": "pithos://us3r-E-1d/images/Gardenia-201302131431.diskdump",

        "container_format": "bare",

        "owner": "user3@mail.example.com",

        "is_public": True,

        "deleted_at": "",

        "id": "5963020b-ab74-4e11-bc59-90c494bbdedb",

        "size": 2589802496}]

class Image(TestCase):

    def assert_dicts_are_deeply_equal(self, d1, d2):

        for k, v in d1.items():

            self.assertTrue(k in d2)

            if isinstance(v, dict):

                self.assert_dicts_are_deeply_equal(v, d2[k])

            else:

                self.assertEqual(unicode(v), unicode(d2[k]))

    class FR(object):

        json = example_images

        headers = {}

        content = json

        status = None

        status_code = 200

        def release(self):

            pass

    def setUp(self):

        self.url = 'http://image.example.com'

        self.token = 'an1m@g370k3n=='

        from kamaki.clients.image import ImageClient

        self.client = ImageClient(self.url, self.token)

        from kamaki.clients.connection.kamakicon import KamakiHTTPConnection

        self.C = KamakiHTTPConnection

    def tearDown(self):

        self.FR.json = example_images

        self.FR.status_code = 200

    def test_list_public(self):

        with patch.object(

            self.C,

            'perform_request',

            return_value=self.FR()) as perform_req:

            r = self.client.list_public()

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/images/')

            params = perform_req.call_args[0][3]

            self.assertEqual(params['sort_dir'], 'asc')

            for i in range(len(r)):

                self.assert_dicts_are_deeply_equal(r[i], example_images[i])

            r = self.client.list_public(order='-')

            params = perform_req.call_args[0][3]

            self.assertEqual(params['sort_dir'], 'desc')

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/images/')

            self.FR.json = example_images_detailed

            r = self.client.list_public(detail=True)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/images/detail')

            for i in range(len(r)):

                self.assert_dicts_are_deeply_equal(

                    r[i],

                    example_images_detailed[i])

            size_max = 1000000000

            r = self.client.list_public(filters=dict(size_max=size_max))

            params = perform_req.call_args[0][3]

            self.assertEqual(params['size_max'], size_max)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/images/')

    def test_get_meta(self):

        img0 = example_images[0]

        self.FR.json = img0

        img0_headers = {}

        for k, v in example_images_detailed[0].items():

            img0_headers['x-image-meta-%s' % k] = v

        self.FR.headers = img0_headers

        with patch.object(self.C, 'perform_request', return_value=self.FR()):

            r = self.client.get_meta(img0['id'])

            self.assertEqual(self.client.http_client.url, self.url)

            expected_path = '/images/%s' % img0['id']

            self.assertEqual(self.client.http_client.path, expected_path)

            self.assertEqual(r['id'], img0['id'])

            self.assert_dicts_are_deeply_equal(r, example_images_detailed[0])

    def test_register(self):

        img0 = example_images_detailed[0]

        img0_location = img0['location']

        img0_name = 'A new img0 name'

        with patch.object(

                self.C,

                'perform_request',

                return_value=self.FR()) as perform_req:

            self.client.register(img0_name, img0_location)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/images/')

            (method, data, headers, params) = perform_req.call_args[0]

            self.assertEqual(method, 'post')

            self.assertTrue(0 == len(params))

            val = 'Some random value'

            param_dict = dict(

                id=val,

                store=val,

                disk_format=val,

                container_format=val,

                size=val,

                checksum=val,

                is_public=val,

                owner=val)

            for key in param_dict.keys():

                param = {key: val}

                self.client.register(img0_name, img0_location, params=param)

                (method, data, a_headers, a_params) = perform_req.call_args[0]

                key = 'x-image-meta-%s' % key.replace('_', '-')

                self.assertEqual(a_headers[key], val)

            self.client.register(img0_name, img0_location, params=param_dict)

            (method, data, a_headers, a_params) = perform_req.call_args[0]

            self.assertEqual(len(param_dict), len(a_headers))

            for key, val in param_dict.items():

                key = 'x-image-meta-%s' % key.replace('_', '-')

                self.assertEqual(a_headers[key], val)

            props = dict(key0='val0', key2='val2', key3='val3')

            self.client.register(img0_name, img0_location, properties=props)

            (method, data, a_headers, a_params) = perform_req.call_args[0]

            for k, v in props.items():

                self.assertEquals(a_headers['X-Image-Meta-Property-%s' % k], v)

    def test_set_members(self):

        img0 = example_images_detailed[0]

        members = ['use3r-1d-0', 'us2r-1d-1', 'us3r-1d-2']

        with patch.object(

                self.C,

                'perform_request',

                return_value=self.FR()) as perform_req:

            self.assertRaises(

                ClientError,

                self.client.set_members,

                img0['id'], members)

            self.FR.status_code = 204

            self.client.set_members(img0['id'], members)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(

                    self.client.http_client.path,

                '/images/%s/members' % img0['id'])

            (method, data, a_headers, a_params) = perform_req.call_args[0]

            from json import loads

            memberships = loads(data)['memberships']

            for membership in memberships:

                self.assertTrue(membership['member_id'] in members)

    def test_list_members(self):

        img0 = example_images_detailed[0]

        members = ['use3r-1d-0', 'us2r-1d-1', 'us3r-1d-2']

        self.FR.json = dict(members=members)

        with patch.object(self.C, 'perform_request', return_value=self.FR()):

            r = self.client.list_members(img0['id'])

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(

                self.client.http_client.path,

                '/images/%s/members' % img0['id'])

            self.assertEqual(r, members)

    def test_add_member(self):

        img0 = example_images_detailed[0]

        new_member = 'us3r-15-n3w'

        with patch.object(self.C, 'perform_request', return_value=self.FR()):

            self.assertRaises(

                ClientError,

                self.client.add_member,

                img0['id'], new_member)

            self.FR.status_code = 204

            self.client.add_member(img0['id'], new_member)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(

                self.client.http_client.path,

                '/images/%s/members/%s' % (img0['id'], new_member))

    def test_remove_member(self):

        img0 = example_images_detailed[0]

        old_member = 'us3r-15-0ld'

        with patch.object(self.C, 'perform_request', return_value=self.FR()):

            self.assertRaises(

                ClientError,

                self.client.remove_member,

                img0['id'], old_member)

            self.FR.status_code = 204

            self.client.remove_member(img0['id'], old_member)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(

                self.client.http_client.path,

                '/images/%s/members/%s' % (img0['id'], old_member))

    def test_list_shared(self):

        img0 = example_images_detailed[0]

        self.FR.json = dict(shared_images=example_images)

        with patch.object(self.C, 'perform_request', return_value=self.FR()):

            r = self.client.list_shared(img0['id'])

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(

                self.client.http_client.path,

                '/shared-images/%s' % img0['id'])

            for i in range(len(r)):

                self.assert_dicts_are_deeply_equal(r[i], example_images[i])