Ejemplo n.º 1
0
    def test_create(self):
        uri = 'vos://create.vospace.auth!vospace/bar'
        client = Client()
        node = Node(client.fix_uri(uri))
        node2 = Node(str(node))
        self.assertEqual(node, node2)
        data = str(node)
        headers = {'size': str(len(data))}

        client = Client()
        # client.get_node_url = Mock(return_value='http://foo.com/bar')
        session_mock = MagicMock()
        client.get_session = Mock(return_value=session_mock)
        session_mock.put.return_value = Mock(content=str(node))

        result = client.create(uri)
        self.assertEqual(node, result)
        session_mock.put.assert_called_with(
            'http://www.canfar.phys.uvic.ca/vospace/nodes/bar',
            headers=headers, data=data)
Ejemplo n.º 2
0
    def test_create(self):
        uri = 'vos://create.vospace.auth!vospace/bar'
        client = Client()
        node = Node(client.fix_uri(uri))
        node2 = Node(str(node))
        self.assertEquals(node, node2)
        data = str(node)
        headers = {'size': str(len(data))}

        client = Client()
        # client.get_node_url = Mock(return_value='http://foo.com/bar')
        session_mock = MagicMock()
        client.conn = Mock()
        client.conn.session = session_mock
        session_mock.put.return_value = Mock(content=str(node))

        result = client.create(uri)
        self.assertEquals(node, result)
        session_mock.put.assert_called_with(
            'http://www.canfar.phys.uvic.ca/vospace/nodes/bar',
            headers=headers, data=data)
Ejemplo n.º 3
0
    def test_copy(self, computed_md5_mock):
        # the md5sum of the file being copied
        md5sum = 'd41d8cd98f00b204e9800998ecf84eee'
        # patch the compute_md5 function in vos to return the above value
        computed_md5_mock.return_value = md5sum

        # mock the props of the corresponding node
        props = MagicMock()
        props.get.return_value = md5sum
        # add props to the mocked node
        node = MagicMock(spec=Node)
        node.props = props

        # mock one by one the chain of connection.session.response.headers
        conn = MagicMock(spec=Connection)
        session = MagicMock()
        response = MagicMock()
        headers = MagicMock()
        headers.get.return_value = md5sum
        response.headers = headers
        session.get.return_value = response
        conn.session = session

        test_client = Client()
        # use the mocked connection instead of the real one
        test_client.conn = conn
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        mock_update = Mock()
        test_client.update = mock_update

        # patch Client.get_node to return our mocked node
        get_node_mock = Mock(return_value=node)
        test_client.get_node = get_node_mock

        # time to test...
        vospaceLocation = 'vos://test/foo'
        osLocation = '/tmp/foo'
        if os.path.isfile(osLocation):
            os.remove(osLocation)
        # copy from vospace
        test_client.copy(vospaceLocation, osLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None,
                                                  view='data')
        computed_md5_mock.assert_called_once_with(osLocation)
        assert get_node_mock.called

        # repeat - local file and vospace file are now the same -> only
        # get_node is called to get the md5 of remote file
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        get_node_mock.reset_mock()
        test_client.copy(vospaceLocation, osLocation)
        assert not get_node_url_mock.called
        computed_md5_mock.assert_called_once_with(osLocation)
        get_node_mock.assert_called_once_with(vospaceLocation)

        # change the content of local files to trigger a new copy
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = ['d002233', md5sum]
        get_node_mock.reset_mock()
        test_client.copy(vospaceLocation, osLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None,
                                                  view='data')
        computed_md5_mock.assert_called_with(osLocation)
        get_node_mock.assert_called_once_with(vospaceLocation)

        # copy to vospace when md5 sums are the same -> only update occurs
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = None
        computed_md5_mock.return_value = md5sum
        test_client.copy(osLocation, vospaceLocation)
        mock_update.assert_called_once()
        assert not get_node_url_mock.called

        # make md5 different
        get_node_url_mock.reset_mock()
        get_node_url_mock.return_value =\
            ['http://cadc.ca/test', 'http://cadc.ca/test']
        computed_md5_mock.reset_mock()
        mock_update.reset_mock()
        props.get.side_effect = ['d00223344', md5sum]
        test_client.copy(osLocation, vospaceLocation)
        assert not mock_update.called
        get_node_url_mock.assert_called_once_with(vospaceLocation, 'PUT')
        computed_md5_mock.assert_called_once_with(osLocation)

        # copy 0 size file -> delete and create on client but no bytes
        # transferred
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.return_value = vos.ZERO_MD5
        props.get.side_effect = [md5sum]
        mock_delete = Mock()
        mock_create = Mock()
        test_client.delete = mock_delete
        test_client.create = mock_create
        test_client.copy(osLocation, vospaceLocation)
        mock_create.assert_called_once_with(vospaceLocation)
        mock_delete.assert_called_once_with(vospaceLocation)
        assert not get_node_url_mock.called

        # copy new 0 size file -> reate on client but no bytes transferred
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        mock_delete.reset_mock()
        mock_create.reset_mock()
        computed_md5_mock.return_value = vos.ZERO_MD5
        props.get.side_effect = [None]
        mock_delete = Mock()
        mock_create = Mock()
        test_client.delete = mock_delete
        test_client.create = mock_create
        test_client.copy(osLocation, vospaceLocation)
        mock_create.assert_called_once_with(vospaceLocation)
        assert not mock_delete.called
        assert not get_node_url_mock.called

        # error tests - md5sum mismatch
        props.get.side_effect = [md5sum]
        computed_md5_mock.return_value = '000bad000'
        with self.assertRaises(OSError):
            test_client.copy(vospaceLocation, osLocation)

        with self.assertRaises(OSError):
            test_client.copy(osLocation, vospaceLocation)

        # requests just the headers
        props.get.side_effect = [None]
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = ['d002233', md5sum]
        get_node_mock.reset_mock()
        test_client.copy(vospaceLocation, osLocation, head=True)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None,
                                                  view='header')
Ejemplo n.º 4
0
    def test_copy(self, computed_md5_mock):
        file_content = 'File content'.encode('utf-8')

        # the md5sum of the file being copied
        transfer_md5 = hashlib.md5()
        transfer_md5.update(file_content)
        md5sum = transfer_md5.hexdigest()
        # patch the compute_md5 function in vos to return the above value
        computed_md5_mock.return_value = md5sum

        # mock the props of the corresponding node
        props = MagicMock()
        props.get.return_value = md5sum
        # add props to the mocked node
        node = MagicMock(spec=Node)
        node.props = {'MD5': md5sum, 'length': 12}

        # mock one by one the chain of connection.session.response.headers
        session = MagicMock()
        response = MagicMock()
        headers = MagicMock()
        headers.get.return_value = md5sum
        response.headers = headers
        session.get.return_value = response
        response.iter_content.return_value = BytesIO(file_content)

        test_client = Client()
        test_client.get_session = Mock(return_value=session)
        # use the mocked connection instead of the real one
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        mock_update = Mock()
        test_client.update = mock_update

        # patch Client.get_node to return our mocked node
        get_node_mock = Mock(return_value=node)
        test_client.get_node = get_node_mock

        # time to test...
        vospaceLocation = 'vos://test/foo'
        osLocation = '/tmp/foo'
        if os.path.isfile(osLocation):
            os.remove(osLocation)
        # copy from vospace
        test_client.copy(vospaceLocation, osLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='data')
        assert not computed_md5_mock.called,\
            'MD5 should be computed on the fly'
        assert get_node_mock.called

        # repeat - local file and vospace file are now the same -> only
        # get_node is called to get the md5 of remote file
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        get_node_mock.reset_mock()
        props.reset_mock()
        props.get.return_value = md5sum
        test_client.copy(vospaceLocation, osLocation)
        assert not get_node_url_mock.called
        computed_md5_mock.assert_called_once_with(osLocation)
        get_node_mock.assert_called_once_with(vospaceLocation, force=True)

        # change the content of local files to trigger a new copy
        get_node_url_mock.reset_mock()
        get_node_mock.reset_mock()

        computed_md5_mock.reset_mock()
        computed_md5_mock.return_value = 'd002233'
        response.iter_content.return_value = BytesIO(file_content)
        test_client.copy(vospaceLocation, osLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='data')
        computed_md5_mock.assert_called_with(osLocation)
        get_node_mock.assert_called_once_with(vospaceLocation, force=True)

        # change the content of local files to trigger a new copy
        get_node_url_mock.reset_mock()
        get_node_url_mock.return_value = \
            ['https://mysite.com/node/node123/cutout']
        computed_md5_mock.reset_mock()
        computed_md5_mock.return_value = 'd002233'
        # computed_md5_mock.side_effect = ['d002233', md5sum]
        get_node_mock.reset_mock()
        response.iter_content.return_value = BytesIO(file_content)
        session.get.return_value = response
        test_client.get_session = Mock(return_value=session)
        test_client.copy('{}{}'.format(vospaceLocation,
                                       '[1][10:60]'), osLocation)
        get_node_url_mock.assert_called_once_with(
            vospaceLocation, method='GET', cutout='[1][10:60]', view='cutout')

        # copy to vospace when md5 sums are the same -> only update occurs
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = None
        computed_md5_mock.return_value = md5sum
        test_client.copy(osLocation, vospaceLocation)
        mock_update.assert_called_once()
        assert not get_node_url_mock.called

        # make md5 different on destination
        get_node_url_mock.reset_mock()
        get_node_url_mock.return_value =\
            ['http://cadc.ca/test', 'http://cadc.ca/test']
        computed_md5_mock.reset_mock()
        mock_update.reset_mock()
        computed_md5_mock.return_value = md5sum
        to_update_node = MagicMock()
        to_update_node.props = {'MD5': 'abcde', 'length': 12}
        test_client.get_node = Mock(side_effect=[to_update_node, node])
        test_client.copy(osLocation, vospaceLocation)
        assert not mock_update.called
        get_node_url_mock.assert_called_once_with(vospaceLocation, 'PUT',
                                                  content_length=12,
                                                  md5_checksum='abcde')
        computed_md5_mock.assert_called_once_with(osLocation)

        # copy 0 size file -> delete and create node but no bytes
        # transferred
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        test_client.get_node = Mock(return_value=node)
        node.props['length'] = 0
        mock_delete = Mock()
        mock_create = Mock()
        test_client.delete = mock_delete
        test_client.create = mock_create
        with patch('vos.vos.os.stat', Mock()) as stat_mock:
            stat_mock.return_value = Mock(st_size=0)
            test_client.copy(osLocation, vospaceLocation)
        mock_create.assert_called_once_with(vospaceLocation)
        mock_delete.assert_called_once_with(vospaceLocation)
        assert not get_node_url_mock.called

        # copy new 0 size file -> create node but no bytes transferred
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        mock_delete.reset_mock()
        mock_create.reset_mock()
        test_client.get_node = Mock(side_effect=[Exception(), node])
        mock_delete = Mock()
        mock_create = Mock()
        test_client.delete = mock_delete
        test_client.create = mock_create
        with patch('vos.vos.os.stat', Mock()) as stat_mock:
            stat_mock.return_value = Mock(st_size=0)
            test_client.copy(osLocation, vospaceLocation)
        mock_create.assert_called_once_with(vospaceLocation)
        assert not mock_delete.called
        assert not get_node_url_mock.called

        # error tests - md5sum mismatch
        node.props['length'] = 12
        computed_md5_mock.return_value = '000bad000'
        test_client.get_node = Mock(return_value=node)
        with self.assertRaises(OSError):
            test_client.copy(vospaceLocation, osLocation)

        # existing file
        mock_delete.reset_mock()
        with self.assertRaises(OSError):
            with patch('vos.vos.os.stat', Mock()) as stat_mock:
                stat_mock.return_value = Mock(st_size=12)
                test_client.copy(osLocation, vospaceLocation)
        assert not mock_delete.called  # server takes care of cleanup

        # new file
        mock_delete.reset_mock()
        with self.assertRaises(OSError):
            with patch('vos.vos.os.stat', Mock()) as stat_mock:
                stat_mock.return_value = Mock(st_size=12)
                node.props['MD5'] = None
                test_client.copy(osLocation, vospaceLocation)
        assert mock_delete.called  # cleanup required

        # requests just the headers when md5 not provided in the header
        props.get.side_effect = [None]
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        get_node_mock.reset_mock()
        headers.get.return_value = None
        test_client.copy(vospaceLocation, osLocation, head=True)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='header')

        # repeat headers request when md5 provided in the header
        props.get.side_effect = md5sum
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        get_node_mock.reset_mock()
        response.iter_content.return_value = BytesIO(file_content)
        headers.get.return_value = None
        test_client.copy(vospaceLocation, osLocation, head=True)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='header')
Ejemplo n.º 5
0
    def test_copy(self, computed_md5_mock):
        # the md5sum of the file being copied
        md5sum = 'd41d8cd98f00b204e9800998ecf84eee'
        # patch the compute_md5 function in vos to return the above value
        computed_md5_mock.return_value = md5sum

        # mock the props of the corresponding node
        props = MagicMock()
        props.get.return_value = md5sum
        # add props to the mocked node
        node = MagicMock(spec=Node)
        node.props = props

        # mock one by one the chain of connection.session.response.headers
        conn = MagicMock(spec=Connection)
        session = MagicMock()
        response = MagicMock()
        headers = MagicMock()
        headers.get.return_value = md5sum
        response.headers = headers
        session.get.return_value = response
        conn.session = session

        test_client = Client()
        # use the mocked connection instead of the real one
        test_client.conn = conn
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        mock_update = Mock()
        test_client.update = mock_update

        # patch Client.get_node to return our mocked node
        get_node_mock = Mock(return_value=node)
        test_client.get_node = get_node_mock

        # time to test...
        vospaceLocation = 'vos://test/foo'
        osLocation = '/tmp/foo'
        if os.path.isfile(osLocation):
            os.remove(osLocation)
        # copy from vospace
        test_client.copy(vospaceLocation, osLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='data')
        computed_md5_mock.assert_called_once_with(osLocation)
        assert get_node_mock.called

        # repeat - local file and vospace file are now the same -> only
        # get_node is called to get the md5 of remote file
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        get_node_mock.reset_mock()
        test_client.copy(vospaceLocation, osLocation)
        assert not get_node_url_mock.called
        computed_md5_mock.assert_called_once_with(osLocation)
        get_node_mock.assert_called_once_with(vospaceLocation)

        # change the content of local files to trigger a new copy
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = ['d002233', md5sum]
        get_node_mock.reset_mock()
        test_client.copy(vospaceLocation, osLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='data')
        computed_md5_mock.assert_called_with(osLocation)
        get_node_mock.assert_called_once_with(vospaceLocation)

        # copy to vospace when md5 sums are the same -> only update occurs
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = None
        computed_md5_mock.return_value = md5sum
        test_client.copy(osLocation, vospaceLocation)
        mock_update.assert_called_once()
        assert not get_node_url_mock.called

        # make md5 different
        get_node_url_mock.reset_mock()
        get_node_url_mock.return_value =\
            ['http://cadc.ca/test', 'http://cadc.ca/test']
        computed_md5_mock.reset_mock()
        mock_update.reset_mock()
        props.get.side_effect = ['d00223344', md5sum]
        test_client.copy(osLocation, vospaceLocation)
        assert not mock_update.called
        get_node_url_mock.assert_called_once_with(vospaceLocation, 'PUT')
        computed_md5_mock.assert_called_once_with(osLocation)

        # copy 0 size file -> delete and create on client but no bytes
        # transferred
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        computed_md5_mock.return_value = vos.ZERO_MD5
        props.get.side_effect = [md5sum]
        mock_delete = Mock()
        mock_create = Mock()
        test_client.delete = mock_delete
        test_client.create = mock_create
        test_client.copy(osLocation, vospaceLocation)
        mock_create.assert_called_once_with(vospaceLocation)
        mock_delete.assert_called_once_with(vospaceLocation)
        assert not get_node_url_mock.called

        # copy new 0 size file -> reate on client but no bytes transferred
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        mock_delete.reset_mock()
        mock_create.reset_mock()
        computed_md5_mock.return_value = vos.ZERO_MD5
        props.get.side_effect = [None]
        mock_delete = Mock()
        mock_create = Mock()
        test_client.delete = mock_delete
        test_client.create = mock_create
        test_client.copy(osLocation, vospaceLocation)
        mock_create.assert_called_once_with(vospaceLocation)
        assert not mock_delete.called
        assert not get_node_url_mock.called

        # error tests - md5sum mismatch
        props.get.side_effect = [md5sum]
        computed_md5_mock.return_value = '000bad000'
        with self.assertRaises(OSError):
            test_client.copy(vospaceLocation, osLocation)

        with self.assertRaises(OSError):
            test_client.copy(osLocation, vospaceLocation)

        # requests just the headers
        props.get.side_effect = [None]
        get_node_url_mock = Mock(
            return_value=['http://cadc.ca/test', 'http://cadc.ca/test'])
        test_client.get_node_url = get_node_url_mock
        computed_md5_mock.reset_mock()
        computed_md5_mock.side_effect = ['d002233', md5sum]
        get_node_mock.reset_mock()
        test_client.copy(vospaceLocation, osLocation, head=True)
        get_node_url_mock.assert_called_once_with(vospaceLocation,
                                                  method='GET',
                                                  cutout=None, view='header')