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from mock import patch, call

from unittest import TestCase

from itertools import product

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 FR(object):

    json = example_images

    headers = {}

    content = json

    status = None

    status_code = 200

    def release(self):

        pass

khttp = 'kamaki.clients.connection.kamakicon.KamakiHTTPConnection'

image_pkg = 'kamaki.clients.image.ImageClient'

class Image(TestCase):

    def assert_dicts_are_equal(self, d1, d2):

        for k, v in d1.items():

            self.assertTrue(k in d2)

            if isinstance(v, dict):

                self.assert_dicts_are_equal(v, d2[k])

            else:

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

    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):

        FR.json = example_images

        FR.status_code = 200

    @patch('%s.get' % image_pkg, return_value=FR())

    def test_list_public(self, get):

        a_filter = dict(size_max=42)

        for args in product((False, True), ({}, a_filter), ('', '-')):

            (detail, filters, order) = args

            r = self.client.list_public(*args)

            filters['sort_dir'] = 'desc' if order.startswith('-') else 'asc'

            self.assertEqual(get.mock_calls[-1], call(

                '/images/%s' % ('detail' if detail else ''),

                async_params=filters, success=200))

            for i in range(len(r)):

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

    @patch('%s.head' % image_pkg, return_value=FR())

    def test_get_meta(self, head):

        img0 = example_images[0]

        FR.json = img0

        img0_headers = {}

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

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

        FR.headers = img0_headers

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

        head.assert_called_once_with('/images/%s' % img0['id'], success=200)

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

        self.assert_dicts_are_equal(r, example_images_detailed[0])

    @patch('%s.set_header' % image_pkg, return_value=FR())

    @patch('%s.post' % image_pkg, return_value=FR())

    def test_register(self, post, SH):

        img0 = example_images_detailed[0]

        img0_location = img0['location']

        img0_name = 'A new img0 name'

        prfx = 'x-image-meta-'

        proprfx = 'x-image-meta-property-'

        keys = [

            'id', 'store', 'dist_format', 'container_format',

            'size', 'checksum', 'is_public', 'owner']

        for args in product(

                ('v_id', None), ('v_store', None),

                ('v_dist_format', None), ('v_container_format', None),

                ('v_size', None), ('v_checksum', None),

                ('v_is_public', None), ('v_owner', None)):

            params = dict()

            async_headers = dict()

            props = dict()

            for i, k in enumerate(keys):

                if args[i]:

                    params[k] = args[i]

                    async_headers['%s%s' % (prfx, k)] = args[i]

                    props['%s%s' % (proprfx, args[i])] = k

            async_headers.update(props)

        self.client.register(

            img0_name, img0_location,

            params=params, properties=props)

        self.assertEqual(

            post.mock_calls[-1],

            call('/images/', async_headers=async_headers, success=200))

        self.assertEqual(SH.mock_calls[-2:], [

            call('X-Image-Meta-Name', img0_name),

            call('X-Image-Meta-Location', img0_location)])

    @patch('%s.put' % image_pkg, return_value=FR())

    def test_set_members(self, put):

        img0 = example_images_detailed[0]

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

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

        put.assert_called_once_with(

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

            json=dict(memberships=[dict(member_id=m) for m in members]),

            success=204)

    @patch('%s.perform_request' % khttp, return_value=FR())

    def test_list_members(self, PR):

        img0 = example_images_detailed[0]

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

        FR.json = dict(members=members)

        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)

    @patch('%s.perform_request' % khttp, return_value=FR())

    def test_add_member(self, PR):

        img0 = example_images_detailed[0]

        new_member = 'us3r-15-n3w'

        self.assertRaises(

            ClientError,

            self.client.add_member,

            img0['id'], new_member)

        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))

    @patch('%s.perform_request' % khttp, return_value=FR())

    def test_remove_member(self, PR):

        img0 = example_images_detailed[0]

        old_member = 'us3r-15-0ld'

        self.assertRaises(

            ClientError,

            self.client.remove_member,

            img0['id'], old_member)

        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))

    @patch('%s.perform_request' % khttp, return_value=FR())

    def test_list_shared(self, PR):

        img0 = example_images_detailed[0]

        FR.json = dict(shared_images=example_images)

        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_equal(r[i], example_images[i])

if __name__ == '__main__':

    from sys import argv

    from kamaki.clients.test import runTestCase

    runTestCase(Image, 'Plankton Client', argv[1:])