Example #1
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

        #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'
        # 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)
        get_node_mock.assert_called_once_with(vospaceLocation)

        # copy to vospace
        get_node_url_mock.reset_mock()
        computed_md5_mock.reset_mock()
        test_client.copy(osLocation, vospaceLocation)
        get_node_url_mock.assert_called_once_with(vospaceLocation, 'PUT')
        computed_md5_mock.assert_called_once_with(osLocation)

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

        with self.assertRaises(OSError):
            test_client.copy(osLocation, vospaceLocation)
Example #2
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')
Example #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')
Example #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')
Example #5
0
def main(orbit=None, **kwargs):
    """
    This is the driver program.  Gets the images from VOSpace or the local filesystem.

    expected kwargs:
    pointing, index, chip, rate, angle, ra, dec, p_name, discovery, nstk, zpt, dbimages

    :param kwargs: these are the 'args' sent on the commandline or in an input file.
    :param orbit: the orbit of the object that should be in the frames reference by kwargs provided.
    :type orbit: BKOrbit
    :return: list of observations
    :rtype list(ObsRecod)
    """

    pointing = kwargs['pointing']
    chip = kwargs['chip']
    index = kwargs['index']
    rate = kwargs['rate']
    angle = kwargs['angle']
    ra = kwargs['ra']
    dec = kwargs['dec']
    p_name = kwargs['p_name']
    discovery = kwargs['discovery']
    nstk = kwargs['nstk']
    rejected = kwargs.get('rejected', False)
    zpt = kwargs.get('zpt', 26.9)
    dbimages = kwargs.get('dbimages', 'vos:NewHorizons/dbimages/')

    client = Client()

    int_rate = int(rate * 10)
    int_angle = int((angle % 360) * 10)
    images = []
    # Load the 3 images associated with this point/chip/rate/angle set.
    epoch = None
    for idx in range(nstk):
        expnum = f'{int(pointing)}{int_rate:02d}{int_angle:04d}{idx}'
        image = f'{expnum}p{chip:02d}.fits'
        url = f'{dbimages}/{pointing:05d}/{chip:03d}/{index:04d}/{image}'
        logging.info(f"Looking for image at {url}")
        try:
            if os.access(url, os.R_OK):
                image = url

            elif not os.access(image, os.R_OK):
                # get from VOSpace is not already on disk
                client.copy(url, image)
        except Exception as ex:
            logging.error(str(ex))
            # Return empty set on VOSpace copy error.
            return {}
        images.append(image)
    epoch = Time(fits.open(images[len(images) // 2])[0].header['DATE-AVG'],
                 scale='tai').utc

    regions = f'{dbimages}/{pointing:05d}.reg'
    try:
        if not os.access(regions, os.R_OK):
            regions = client.copy(regions, '.', disposition=True)
    except Exception as ex:
        logging.debug(f"{ex}")
        regions = None

    wcs_dict = {}
    if orbit is not None:
        epoch = orbit.epoch.mjd
    if epoch is None:
        epoch = Time("2020-05-22T00:00:00")

    epoch = Time(kwargs.get('epoch', epoch), format='mjd')

    load_images(images,
                ra,
                dec,
                wcs_dict,
                orbit,
                dra=rate * math.cos(math.radians(angle)),
                ddec=rate * math.sin(math.radians(angle)),
                regions=regions,
                rejected=rejected,
                basedate=epoch)

    obs = measure_image(p_name, images, wcs_dict, discovery=discovery, zpt=zpt)
    return obs