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import time

from kamaki.clients import tests

from kamaki.clients.cyclades import CycladesClient

from kamaki.clients.image import ImageClient

from kamaki.clients import ClientError

class Image(tests.Generic):

    def setUp(self):

        self.now = time.mktime(time.gmtime())

        self.imgname = 'img_%s' % self.now

        url = self['image', 'url']

        self.client = ImageClient(url, self['token'])

        cyclades_url = self['compute', 'url']

        self.cyclades = CycladesClient(cyclades_url, self['token'])

        self._imglist = {}

    def test_000(self):

        self._prepare_img()

        super(self.__class__, self).test_000()

    def _prepare_img(self):

        f = open(self['image', 'local_path'], 'rb')

        uuid = self['store', 'account']

        from kamaki.clients.pithos import PithosClient

        self.pithcli = PithosClient(self['store', 'url'], self['token'], uuid)

        cont = 'cont_%s' % self.now

        self.pithcli.container = cont

        self.obj = 'obj_%s' % self.now

        print('\t- Create container %s on Pithos server' % cont)

        self.pithcli.container_put()

        self.location = 'pithos://%s/%s/%s' % (uuid, cont, self.obj)

        print('\t- Upload an image at %s...' % self.location)

        self.pithcli.upload_object(self.obj, f)

        print('\t- ok')

        f.close()

        self.client.register(self.imgname,

            self.location,

            params=dict(is_public=True))

        img = self._get_img_by_name(self.imgname)

        self._imglist[self.imgname] = img

    def tearDown(self):

        for img in self._imglist.values():

            print('\tDeleting image %s' % img['id'])

            self.cyclades.delete_image(img['id'])

        if hasattr(self, 'pithcli'):

            print('\tDeleting container %s' % self.pithcli.container)

            try:

                self.pithcli.del_container(delimiter='/')

                self.pithcli.purge_container()

            except ClientError:

                pass

    def _get_img_by_name(self, name):

        r = self.cyclades.list_images()

        for img in r:

            if img['name'] == name:

                return img

        return None

    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]))

    def test_list_public(self):

        """Test list_public"""

        self._test_list_public()

    def _test_list_public(self):

        r = self.client.list_public()

        r0 = self.client.list_public(order='-')

        self.assertTrue(len(r) > 0)

        for img in r:

            for term in ('status',

                'name',

                'container_format',

                'disk_format',

                'id',

                'size'):

                self.assertTrue(term in img)

        self.assertTrue(r, r0)

        r0.reverse()

        for i, img in enumerate(r):

            self.assert_dicts_are_deeply_equal(img, r0[i])

        r1 = self.client.list_public(detail=True)

        for img in r1:

            for term in ('status',

                'name',

                'checksum',

                'created_at',

                'disk_format',

                'updated_at',

                'id',

                'location',

                'container_format',

                'owner',

                'is_public',

                'deleted_at',

                'properties',

                'size'):

                self.assertTrue(term in img)

                if img['properties']:

                    for interm in (

                        'osfamily',

                        'users',

                        'os',

                        'root_partition',

                        'description'):

                        self.assertTrue(interm in img['properties'])

        size_max = 1000000000

        r2 = self.client.list_public(filters=dict(size_max=size_max))

        self.assertTrue(len(r2) <= len(r))

        for img in r2:

            self.assertTrue(int(img['size']) <= size_max)

    def test_get_meta(self):

        """Test get_meta"""

        self._test_get_meta()

    def _test_get_meta(self):

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

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

        for term in ('status',

            'name',

            'checksum',

            'updated-at',

            'created-at',

            'deleted-at',

            'location',

            'is-public',

            'owner',

            'disk-format',

            'size',

            'container-format'):

            self.assertTrue(term in r)

            for interm in ('kernel',

                'osfamily',

                'users',

                'gui', 'sortorder',

                'root-partition',

                'os',

                'description'):

                self.assertTrue(interm in r['properties'])

    def test_register(self):

        """Test register"""

        self._prepare_img()

        self._test_register()

    def _test_register(self):

        self.assertTrue(self._imglist)

        for img in self._imglist.values():

            self.assertTrue(img != None)

    def test_reregister(self):

        """Test reregister"""

        self._prepare_img()

        self._test_reregister()

    def _test_reregister(self):

        self.client.reregister(

            self.location,

            properties=dict(my_property='some_value'))

    def test_set_members(self):

        """Test set_members"""

        self._prepare_img()

        self._test_set_members()

    def _test_set_members(self):

        members = ['%s@fake.net' % self.now]

        for img in self._imglist.values():

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

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

            self.assertEqual(r[0]['member_id'], members[0])

    def test_list_members(self):

        """Test list_members"""

        self._test_list_members()

    def _test_list_members(self):

        self._test_set_members()

    def test_remove_members(self):

        """Test remove_members - NO CHECK"""

        self._prepare_img()

        self._test_remove_members()

    def _test_remove_members(self):

        return

        members = ['%s@fake.net' % self.now, '%s_v2@fake.net' % self.now]

        for img in self._imglist.values():

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

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

            self.assertTrue(len(r) > 1)

            self.client.remove_member(img['id'], members[0])

            r0 = self.client.list_members(img['id'])

            self.assertEqual(len(r), 1 + len(r0))

            self.assertEqual(r0[0]['member_id'], members[1])

    def test_list_shared(self):

        """Test list_shared - NOT CHECKED"""

        self._test_list_shared()

    def _test_list_shared(self):

        #No way to test this, if I dont have member images

        pass