Synnefo

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import json

from synnefo.api.tests import BaseAPITest

from synnefo.api.faults import ItemNotFound

from mock import patch

from functools import wraps

def assert_backend_closed(func):

    """Decorator for ensuring that ImageBackend is returned to pool."""

    @wraps(func)

    def wrapper(self, backend):

        result = func(self, backend)

        if backend.called is True:

            backend.return_value.close.assert_called_once_with()

        return result

    return wrapper

@patch('synnefo.api.images.ImageBackend')

class ImageAPITest(BaseAPITest):

    @assert_backend_closed

    def test_create_image(self, mimage):

        """Test that create image is not implemented"""

        response = self.post('/api/v1.1/images/', 'user', json.dumps(''),

                             'json')

        self.assertEqual(response.status_code, 503)

    @assert_backend_closed

    def test_list_images(self, mimage):

        """Test that expected list of images is returned"""

        images = [{'id': 1, 'name': 'image-1'},

                  {'id': 2, 'name': 'image-2'},

                  {'id': 3, 'name': 'image-3'}]

        mimage().list.return_value = images

        response = self.get('/api/v1.1/images/', 'user')

        self.assertSuccess(response)

        api_images = json.loads(response.content)['images']['values']

        self.assertEqual(images, api_images)

    @assert_backend_closed

    def test_list_images_detail(self, mimage):

        images = [{'id': 1,

                   'name': 'image-1',

                   'status':'available',

                   'created_at': '2012-11-26 11:52:54',

                   'updated_at': '2012-12-26 11:52:54',

                   'deleted_at': '',

                   'properties': {'foo':'bar'}},

                  {'id': 2,

                   'name': 'image-2',

                   'status': 'deleted',

                   'created_at': '2012-11-26 11:52:54',

                   'updated_at': '2012-12-26 11:52:54',

                   'deleted_at': '2012-12-27 11:52:54',

                   'properties': ''},

                  {'id': 3,

                   'name': 'image-3',

                   'status': 'available',

                   'created_at': '2012-11-26 11:52:54',

                   'deleted_at': '',

                   'updated_at': '2012-12-26 11:52:54',

                   'properties': ''}]

        result_images = [

                  {'id': 1,

                   'name': 'image-1',

                   'status':'ACTIVE',

                   'progress': 100,

                   'created': '2012-11-26T11:52:54+00:00',

                   'updated': '2012-12-26T11:52:54+00:00',

                   'metadata': {'values': {'foo':'bar'}}},

                  {'id': 2,

                   'name': 'image-2',

                   'status': 'DELETED',

                   'progress': 0,

                   'created': '2012-11-26T11:52:54+00:00',

                   'updated': '2012-12-26T11:52:54+00:00'},

                  {'id': 3,

                   'name': 'image-3',

                   'status': 'ACTIVE',

                   'progress': 100,

                   'created': '2012-11-26T11:52:54+00:00',

                   'updated': '2012-12-26T11:52:54+00:00'}]

        mimage().list.return_value = images

        response = self.get('/api/v1.1/images/detail', 'user')

        self.assertSuccess(response)

        api_images = json.loads(response.content)['images']['values']

        self.assertEqual(len(result_images), len(api_images))

        self.assertEqual(result_images, api_images)

    @assert_backend_closed

    def test_list_images_detail_since(self, mimage):

        from datetime import datetime, timedelta

        from time import sleep

        old_time = datetime.now()

        new_time = old_time + timedelta(seconds=0.1)

        sleep(0.1)

        images = [

                  {'id': 1,

                   'name': 'image-1',

                   'status':'available',

                   'progress': 100,

                   'created_at': old_time.isoformat(),

                   'deleted_at': '',

                   'updated_at': old_time.isoformat(),

                   'properties': ''},

                  {'id': 2,

                   'name': 'image-2',

                   'status': 'deleted',

                   'progress': 0,

                   'created_at': new_time.isoformat(),

                   'updated_at': new_time.isoformat(),

                   'deleted_at': new_time.isoformat(),

                   'properties': ''}]

        mimage().iter.return_value = images

        response =\

            self.get('/api/v1.1/images/detail?changes-since=%sUTC' % new_time)

        self.assertSuccess(response)

        api_images = json.loads(response.content)['images']['values']

        self.assertEqual(1, len(api_images))

    @assert_backend_closed

    def test_get_image_details(self, mimage):

        image = {'id': 42,

                 'name': 'image-1',

                 'status': 'available',

                 'created_at': '2012-11-26 11:52:54',

                 'updated_at': '2012-12-26 11:52:54',

                 'deleted_at': '',

                 'properties': {'foo': 'bar'}}

        result_image = \

                  {'id': 42,

                   'name': 'image-1',

                   'status': 'ACTIVE',

                   'progress': 100,

                   'created': '2012-11-26T11:52:54+00:00',

                   'updated': '2012-12-26T11:52:54+00:00',

                   'metadata': {'values': {'foo': 'bar'}}}

        with patch('synnefo.api.util.get_image') as m:

            m.return_value = image

            response = self.get('/api/v1.1/images/42', 'user')

        self.assertSuccess(response)

        api_image = json.loads(response.content)['image']

        self.assertEqual(api_image, result_image)

    @assert_backend_closed

    def test_invalid_image(self, mimage):

        with patch('synnefo.api.util.get_image') as m:

            m.side_effect = ItemNotFound('Image not found')

            response = self.get('/api/v1.1/images/42', 'user')

        self.assertItemNotFound(response)

    def test_delete_image(self, mimage):

        response = self.delete("/api/v1.1/images/42", "user")

        self.assertEqual(response.status_code, 204)

        mimage.return_value.delete.assert_called_once_with('42')

@patch('synnefo.api.util.ImageBackend')

class ImageMetadataAPITest(BaseAPITest):

    def setUp(self):

        self.image = {'id': 42,

                 'name': 'image-1',

                 'status': 'available',

                 'created_at': '2012-11-26 11:52:54',

                 'updated_at': '2012-12-26 11:52:54',

                 'deleted_at': '',

                 'properties': {'foo': 'bar', 'foo2': 'bar2'}}

        self.result_image = \

                  {'id': 42,

                   'name': 'image-1',

                   'status': 'ACTIVE',

                   'progress': 100,

                   'created': '2012-11-26T11:52:54+00:00',

                   'updated': '2012-12-26T11:52:54+00:00',

                   'metadata': {'values': {'foo': 'bar'}}}

    @assert_backend_closed

    def test_list_metadata(self, backend):

        backend.return_value.get_image.return_value = self.image

        response = self.get('/api/v1.1/images/42/meta', 'user')

        self.assertSuccess(response)

        meta = json.loads(response.content)['metadata']['values']

        self.assertEqual(meta, self.image['properties'])

    @assert_backend_closed

    def test_get_metadata(self, backend):

        backend.return_value.get_image.return_value = self.image

        response = self.get('/api/v1.1/images/42/meta/foo', 'user')

        self.assertSuccess(response)

        meta = json.loads(response.content)['meta']

        self.assertEqual(meta['foo'], 'bar')

    @assert_backend_closed

    def test_get_invalid_metadata(self, backend):

        backend.return_value.get_image.return_value = self.image

        response = self.get('/api/v1.1/images/42/meta/not_found', 'user')

        self.assertItemNotFound(response)

    @assert_backend_closed

    def test_delete_metadata_item(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend") as m:

            response = self.delete('/api/v1.1/images/42/meta/foo', 'user')

            self.assertEqual(response.status_code, 204)

            m.return_value.update.assert_called_once_with('42',

                                        {'properties': {'foo2': 'bar2'}})

    @assert_backend_closed

    def test_create_metadata_item(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend") as m:

                request = {'meta': {'foo3': 'bar3'}}

                response = self.put('/api/v1.1/images/42/meta/foo3', 'user',

                                    json.dumps(request), 'json')

                self.assertEqual(response.status_code, 201)

                m.return_value.update.assert_called_once_with('42',

                        {'properties':

                            {'foo': 'bar', 'foo2': 'bar2', 'foo3': 'bar3'}})

    @assert_backend_closed

    def test_create_metadata_malformed_1(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend"):

                request = {'met': {'foo3': 'bar3'}}

                response = self.put('/api/v1.1/images/42/meta/foo3', 'user',

                                    json.dumps(request), 'json')

                self.assertBadRequest(response)

    @assert_backend_closed

    def test_create_metadata_malformed_2(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend"):

                request = {'meta': [('foo3', 'bar3')]}

                response = self.put('/api/v1.1/images/42/meta/foo3', 'user',

                                    json.dumps(request), 'json')

                self.assertBadRequest(response)

    @assert_backend_closed

    def test_create_metadata_malformed_3(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend"):

            request = {'met': {'foo3': 'bar3', 'foo4': 'bar4'}}

            response = self.put('/api/v1.1/images/42/meta/foo3', 'user',

                                    json.dumps(request), 'json')

            self.assertBadRequest(response)

    @assert_backend_closed

    def test_create_metadata_malformed_4(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend"):

            request = {'met': {'foo3': 'bar3'}}

            response = self.put('/api/v1.1/images/42/meta/foo4', 'user',

                                    json.dumps(request), 'json')

            self.assertBadRequest(response)

    @assert_backend_closed

    def test_update_metadata_item(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend") as m:

                request = {'metadata': {'foo': 'bar_new', 'foo4': 'bar4'}}

                response = self.post('/api/v1.1/images/42/meta', 'user',

                                    json.dumps(request), 'json')

                self.assertEqual(response.status_code, 201)

                m.return_value.update.assert_called_once_with('42',

                        {'properties':

                            {'foo': 'bar_new', 'foo2': 'bar2', 'foo4': 'bar4'}

                        })

    @assert_backend_closed

    def test_update_metadata_malformed(self, backend):

        backend.return_value.get_image.return_value = self.image

        with patch("synnefo.api.images.ImageBackend"):

                request = {'meta': {'foo': 'bar_new', 'foo4': 'bar4'}}

                response = self.post('/api/v1.1/images/42/meta', 'user',

                                    json.dumps(request), 'json')

                self.assertBadRequest(response)