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from mock import patch, call

from unittest import TestCase

from itertools import product

example_image_headers = {

    'x-image-meta-id': '3edd4d15-41b4-4a39-9601-015ef56b3bb3',

    'x-image-meta-checksum': 'df23837c30889252c0aed80b6f770a53a86',

    'x-image-meta-container-format': 'bare',

    'x-image-meta-location': 'pithos://a13528163db/con/obj_13.0',

    'x-image-meta-disk-format': 'diskdump',

    'x-image-meta-is-public': 'True',

    'x-image-meta-status': 'available',

    'x-image-meta-deleted-at': '',

    'x-image-meta-updated-at': '2013-04-11 15:22:39',

    'x-image-meta-created-at': '2013-04-11 15:22:37',

    'x-image-meta-owner': 'a13529bb3c3db',

    'x-image-meta-size': '1073741824',

    'x-image-meta-name': 'img_1365686546.0',

    'extraheaders': 'should be ignored'

}

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}]

imgid = "b4713f20-3a41-4eaf-81ae-88698c18b3e8"

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

image_pkg = 'kamaki.clients.image.ImageClient'

class ImageClient(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 import image

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

    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]

        FR.headers = example_image_headers

        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)

        r = self.client.register(

            img0_name, img0_location,

            params=params, properties=props)

        expectedict = dict(example_image_headers)

        expectedict.pop('extraheaders')

        from kamaki.clients.image import _format_image_headers

        self.assert_dicts_are_equal(_format_image_headers(expectedict), r)

        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.delete' % image_pkg)

    def test_unregister(self, delete):

        img_id = 'an1m4g3'

        self.client.unregister(img_id)

        delete.assert_called_once_with('/images/%s' % img_id, success=204)

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

    def test_set_members(self, put):

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

        self.client.set_members(imgid, members)

        put.assert_called_once_with(

            '/images/%s/members' % imgid,

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

            success=204)

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

    def test_list_members(self, get):

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

        FR.json = dict(members=members)

        r = self.client.list_members(imgid)

        get.assert_called_once_with('/images/%s/members' % imgid, success=200)

        self.assertEqual(r, members)

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

    def test_add_member(self, put):

        new_member = 'us3r-15-n3w'

        self.client.add_member(imgid, new_member)

        put.assert_called_once_with(

            '/images/%s/members/%s' % (imgid, new_member),

            success=204)

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

    def test_remove_member(self, delete):

        old_member = 'us3r-15-0ld'

        self.client.remove_member(imgid, old_member)

        delete.assert_called_once_with(

            '/images/%s/members/%s' % (imgid, old_member),

            success=204)

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

    def test_list_shared(self, get):

        FR.json = dict(shared_images=example_images)

        r = self.client.list_shared(imgid)

        get.assert_called_once_with('/shared-images/%s' % imgid, success=200)

        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(ImageClient, 'Plankton Client', argv[1:])