示例#1
0
    def test_update(self):
        node = Node(ElementTree.fromstring(NODE_XML))

        resp = Mock()
        resp.headers.get = Mock(return_value="https://www.canfar.phys.uvic.ca/vospace")

        client = Client()
        client.get_node_url = Mock(return_value='https://www.canfar.phys.uvic.ca/vospace')
        client.conn = Mock()
        client.conn.session.post = Mock(return_value=resp)
        client.get_transfer_error = Mock()
        client.protocol = 'https'

        data = str(node)
        property_url = 'https://www.canfar.phys.uvic.ca/vospace/nodeprops'
        result = client.update(node, False)
        self.assertEqual(result, 0)
        client.conn.session.post.assert_called_with('https://www.canfar.phys.uvic.ca/vospace',
                                                      data=data, allow_redirects=False)

        call1 = call(property_url, allow_redirects=False, data=data,
                     headers={'Content-type': 'text/xml'})
        call2 = call('https://www.canfar.phys.uvic.ca/vospace/phase', allow_redirects=False, data="PHASE=RUN",
                     headers={'Content-type': "text/text"})
        calls = [call1, call2]

        client.conn = Mock()
        client.conn.session.post = Mock(return_value=resp)
        with patch('vos.vos.EndPoints.properties', property_url):
            result = client.update(node, True)
        self.assertEqual(result, 0)
        client.conn.session.post.assert_has_calls(calls)
示例#2
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    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)
示例#3
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文件: test_vos.py 项目: canfar/vos
    def test_transfer_error(self, mock_vofile):
        vofile = MagicMock()
        mock_vofile.return_value = vofile

        vospace_url = 'https://somevospace.server/vospace'
        session = Mock()
        session.get.side_effect = [Mock(content='COMPLETED')]
        conn = Mock(spec=Connection)
        conn.session = session

        test_client = Client()

        # use the mocked connection instead of the real one
        test_client.conn = conn

        # job successfully completed
        vofile.read.side_effect = [b'QUEUED', b'COMPLETED']
        self.assertFalse(test_client.get_transfer_error(
            vospace_url + '/results/transferDetails', 'vos://vospace'))
        session.get.assert_called_once_with(vospace_url + '/phase',
                                            allow_redirects=False)

        # job suspended
        session.reset_mock()
        session.get.side_effect = [Mock(content=b'COMPLETED')]
        vofile.read.side_effect = [b'QUEUED', b'SUSPENDED']
        with self.assertRaises(OSError):
            test_client.get_transfer_error(
                vospace_url + '/results/transferDetails', 'vos://vospace')
        # check arguments for session.get calls
        self.assertEquals(
            [call(vospace_url + '/phase', allow_redirects=False)],
            session.get.call_args_list)

        # job encountered an internal error
        session.reset_mock()
        vofile.read.side_effect = Mock(side_effect=[b'QUEUED', b'ERROR'])
        session.get.side_effect = [Mock(content=b'COMPLETED'),
                                   Mock(text='InternalFault')]
        with self.assertRaises(OSError):
            test_client.get_transfer_error(
                vospace_url + '/results/transferDetails', 'vos://vospace')
        self.assertEquals([call(vospace_url + '/phase', allow_redirects=False),
                           call(vospace_url + '/error')],
                          session.get.call_args_list)

        # job encountered an unsupported link error
        session.reset_mock()
        link_file = 'testlink.fits'
        vofile.read.side_effect = Mock(side_effect=[b'QUEUED', b'ERROR'])
        session.get.side_effect = [Mock(content=b'COMPLETED'),
                                   Mock(
                                       text="Unsupported link target: " +
                                            link_file)]
        self.assertEquals(link_file, test_client.get_transfer_error(
            vospace_url + '/results/transferDetails', 'vos://vospace'))
        self.assertEquals([call(vospace_url + '/phase', allow_redirects=False),
                           call(vospace_url + '/error')],
                          session.get.call_args_list)
示例#4
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    def test_transfer_error(self, mock_vofile):
        vofile = MagicMock()
        mock_vofile.return_value = vofile

        vospace_url = 'https://somevospace.server/vospace'
        session = Mock()
        session.get.side_effect = [Mock(content='COMPLETED')] 
        conn = Mock(spec=Connection)
        conn.session = session

        test_client = Client()

        # use the mocked connection instead of the real one
        test_client.conn = conn
        
        # job successfully completed
        vofile.read.side_effect = [b'QUEUED', b'COMPLETED']
        self.assertFalse(test_client.get_transfer_error(
                vospace_url +'/results/transferDetails', 'vos://vospace'))
        session.get.assert_called_once_with(vospace_url + '/phase', allow_redirects=False)
        
        # job suspended
        session.reset_mock()
        session.get.side_effect = [Mock(content=b'COMPLETED')]
        vofile.read.side_effect = [b'QUEUED', b'SUSPENDED']
        with self.assertRaises(OSError):
            test_client.get_transfer_error(
                vospace_url +'/results/transferDetails', 'vos://vospace')
        #check arguments for session.get calls
        self.assertEquals([call(vospace_url + '/phase', allow_redirects=False)], 
                          session.get.call_args_list )

        # job encountered an internal error
        session.reset_mock()
        vofile.read.side_effect = Mock(side_effect=[b'QUEUED', b'ERROR'])
        session.get.side_effect = [Mock(content=b'COMPLETED'), Mock(text='InternalFault')]
        with self.assertRaises(OSError):
            test_client.get_transfer_error(
                vospace_url +'/results/transferDetails', 'vos://vospace')
        self.assertEquals([call(vospace_url + '/phase', allow_redirects=False),
                           call(vospace_url + '/error')], 
                          session.get.call_args_list )

        # job encountered an unsupported link error
        session.reset_mock()
        link_file = 'testlink.fits'
        vofile.read.side_effect = Mock(side_effect=[b'QUEUED', b'ERROR'])
        session.get.side_effect = [Mock(content=b'COMPLETED'),
                                   Mock(text="Unsupported link target: " + link_file)]
        self.assertEquals(link_file, test_client.get_transfer_error(
            vospace_url +'/results/transferDetails', 'vos://vospace'))
        self.assertEquals([call(vospace_url + '/phase', allow_redirects=False),
                   call(vospace_url + '/error')], 
                  session.get.call_args_list )
示例#5
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 def off_quota(self):
     """
     Test that a 413 raised by the server gets a reasonable error to the user.
     @return:
     """
     with patch('vos.vos.VOFile') as mockVOFile:
         mockVOFile.open = Mock()
         mockVOFile.read = Mock()
         mockVOFile.write = Mock()
     client = Client()
     client.conn = Mock()
     client.transfer(uri='vos:test', direction="pushToVoSpace")
示例#6
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文件: test_vos.py 项目: canfar/vos
 def off_quota(self):
     """
     Test that a 413 raised by the server gets a reasonable error to the
     user.
     @return:
     """
     with patch('vos.vos.VOFile') as mockVOFile:
         mockVOFile.open = Mock()
         mockVOFile.read = Mock()
         mockVOFile.write = Mock()
     client = Client()
     client.conn = Mock()
     client.transfer(uri='vos:test', direction="pushToVoSpace")
示例#7
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    def test_add_props(self):
        old_node = Node(ElementTree.fromstring(NODE_XML))
        new_node = Node(ElementTree.fromstring(NODE_XML))
        new_node.props['quota'] = '1000'
        new_node.create = Mock(return_value=new_node.node)

        data = str(new_node)
        headers = {'size': str(len(data))}

        client = Client()
        client.get_node = Mock(return_value=old_node)
        client.get_node_url = Mock(return_value='http://foo.com/bar')
        client.conn = Mock()

        with patch('vos.Client', client) as mock:
            mock.add_props(new_node)
            mock.conn.session.post.assert_called_with('http://foo.com/bar',
                                                      headers=headers, data=data)
示例#8
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    def test_update(self):
        node = Node(ElementTree.fromstring(NODE_XML))

        resp = Mock()
        resp.headers.get = Mock(
            return_value="https://www.canfar.phys.uvic.ca/vospace")

        conn = Mock(spec=vos.Connection)
        conn.session.post = Mock(return_value=resp)
        client = Client(conn=conn)
        client.get_node_url = Mock(
            return_value='https://www.canfar.phys.uvic.ca/vospace')
        client.get_transfer_error = Mock()
        client.protocol = 'https'

        data = str(node)
        property_url = 'https://www.canfar.phys.uvic.ca/vospace/nodeprops'
        endpoints_mock = Mock()
        endpoints_mock.properties = property_url
        client.get_endpoints = Mock(return_value=endpoints_mock)
        result = client.update(node, False)
        self.assertEqual(result, 0)
        client.conn.session.post.assert_called_with(
            'https://www.canfar.phys.uvic.ca/vospace',
            data=data,
            allow_redirects=False)

        call1 = call(property_url,
                     allow_redirects=False,
                     data=data,
                     headers={'Content-type': 'text/xml'})
        call2 = call(
            'https://www.canfar.phys.uvic.ca/vospace/phase',
            allow_redirects=False,
            data="PHASE=RUN",
            headers={'Content-type': 'application/x-www-form-urlencoded'})
        calls = [call1, call2]

        client.conn = Mock(spec=vos.Connection)
        client.conn.session.post = Mock(return_value=resp)
        result = client.update(node, True)
        self.assertEqual(result, 0)
        client.conn.session.post.assert_has_calls(calls)
示例#9
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文件: test_vos.py 项目: canfar/vos
    def test_add_props(self):
        old_node = Node(ElementTree.fromstring(NODE_XML))
        new_node = Node(ElementTree.fromstring(NODE_XML))
        new_node.props['quota'] = '1000'
        new_node.create = Mock(return_value=new_node.node)

        data = str(new_node)
        headers = {'size': str(len(data))}

        client = Client()
        client.get_node = Mock(return_value=old_node)
        client.get_node_url = Mock(return_value='http://foo.com/bar')
        client.conn = Mock()

        with patch('vos.Client', client) as mock:
            mock.add_props(new_node)
            mock.conn.session.post.assert_called_with('http://foo.com/bar',
                                                      headers=headers,
                                                      data=data)
示例#10
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    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)
示例#11
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文件: test_vos.py 项目: canfar/vos
    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)
示例#12
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文件: test_vos.py 项目: canfar/vos
    def test_update(self):
        node = Node(ElementTree.fromstring(NODE_XML))

        resp = Mock()
        resp.headers.get = Mock(
            return_value="https://www.canfar.phys.uvic.ca/vospace")

        conn = Mock(spec=vos.Connection)
        conn.session.post = Mock(return_value=resp)
        client = Client(conn=conn)
        client.get_node_url = Mock(
            return_value='https://www.canfar.phys.uvic.ca/vospace')
        client.get_transfer_error = Mock()
        client.protocol = 'https'

        data = str(node)
        property_url = 'https://www.canfar.phys.uvic.ca/vospace/nodeprops'
        endpoints_mock = Mock()
        endpoints_mock.properties = property_url
        client.get_endpoints = Mock(return_value=endpoints_mock)
        result = client.update(node, False)
        self.assertEqual(result, 0)
        client.conn.session.post.assert_called_with(
            'https://www.canfar.phys.uvic.ca/vospace',
            data=data, allow_redirects=False)

        call1 = call(property_url, allow_redirects=False, data=data,
                     headers={'Content-type': 'text/xml'})
        call2 = call('https://www.canfar.phys.uvic.ca/vospace/phase',
                     allow_redirects=False, data="PHASE=RUN",
                     headers={'Content-type': "text/text"})
        calls = [call1, call2]

        client.conn = Mock(spec=vos.Connection)
        client.conn.session.post = Mock(return_value=resp)
        result = client.update(node, True)
        self.assertEqual(result, 0)
        client.conn.session.post.assert_has_calls(calls)
示例#13
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    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')
示例#14
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文件: test_vos.py 项目: canfar/vos
    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')