/usr/lib/python2.7/dist-packages/oslo_vmware/tests/test_rw_handles.py is in python-oslo.vmware 2.26.0-0ubuntu1.
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# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Unit tests for read and write handles for image transfer.
"""
import ssl
import mock
import six
from oslo_vmware import exceptions
from oslo_vmware import rw_handles
from oslo_vmware.tests import base
from oslo_vmware import vim_util
class FileHandleTest(base.TestCase):
"""Tests for FileHandle."""
def test_close(self):
file_handle = mock.Mock()
vmw_http_file = rw_handles.FileHandle(file_handle)
vmw_http_file.close()
file_handle.close.assert_called_once_with()
@mock.patch('urllib3.connection.HTTPConnection')
def test_create_connection_http(self, http_conn):
conn = mock.Mock()
http_conn.return_value = conn
handle = rw_handles.FileHandle(None)
ret = handle._create_connection('http://localhost/foo?q=bar', 'GET')
self.assertEqual(conn, ret)
conn.putrequest.assert_called_once_with('GET', '/foo?q=bar')
@mock.patch('urllib3.connection.HTTPSConnection')
def test_create_connection_https(self, https_conn):
conn = mock.Mock()
https_conn.return_value = conn
handle = rw_handles.FileHandle(None)
ret = handle._create_connection('https://localhost/foo?q=bar', 'GET')
self.assertEqual(conn, ret)
conn.set_cert.assert_called_once_with(
ca_certs=None, cert_reqs=ssl.CERT_NONE, assert_fingerprint=None)
conn.putrequest.assert_called_once_with('GET', '/foo?q=bar')
@mock.patch('urllib3.connection.HTTPSConnection')
def test_create_connection_https_with_cacerts(self, https_conn):
conn = mock.Mock()
https_conn.return_value = conn
handle = rw_handles.FileHandle(None)
ret = handle._create_connection('https://localhost/foo?q=bar', 'GET',
cacerts=True)
self.assertEqual(conn, ret)
conn.set_cert.assert_called_once_with(
ca_certs=None, cert_reqs=ssl.CERT_REQUIRED,
assert_fingerprint=None)
@mock.patch('urllib3.connection.HTTPSConnection')
def test_create_connection_https_with_ssl_thumbprint(self, https_conn):
conn = mock.Mock()
https_conn.return_value = conn
handle = rw_handles.FileHandle(None)
cacerts = mock.sentinel.cacerts
thumbprint = mock.sentinel.thumbprint
ret = handle._create_connection('https://localhost/foo?q=bar', 'GET',
cacerts=cacerts,
ssl_thumbprint=thumbprint)
self.assertEqual(conn, ret)
conn.set_cert.assert_called_once_with(
ca_certs=cacerts, cert_reqs=None, assert_fingerprint=thumbprint)
class FileWriteHandleTest(base.TestCase):
"""Tests for FileWriteHandle."""
def setUp(self):
super(FileWriteHandleTest, self).setUp()
vim_cookie = mock.Mock()
vim_cookie.name = 'name'
vim_cookie.value = 'value'
self._conn = mock.Mock()
patcher = mock.patch(
'urllib3.connection.HTTPConnection')
self.addCleanup(patcher.stop)
HTTPConnectionMock = patcher.start()
HTTPConnectionMock.return_value = self._conn
self.vmw_http_write_file = rw_handles.FileWriteHandle(
'10.1.2.3', 443, 'dc-0', 'ds-0', [vim_cookie], '1.vmdk', 100,
'http')
def test_write(self):
self.vmw_http_write_file.write(None)
self._conn.send.assert_called_once_with(None)
def test_close(self):
self.vmw_http_write_file.close()
self._conn.getresponse.assert_called_once_with()
self._conn.close.assert_called_once_with()
class VmdkHandleTest(base.TestCase):
"""Tests for VmdkHandle."""
def test_find_vmdk_url(self):
device_url_0 = mock.Mock()
device_url_0.disk = False
device_url_1 = mock.Mock()
device_url_1.disk = True
device_url_1.url = 'https://*/ds1/vm1.vmdk'
device_url_1.sslThumbprint = '11:22:33:44:55'
lease_info = mock.Mock()
lease_info.deviceUrl = [device_url_0, device_url_1]
host = '10.1.2.3'
port = 443
exp_url = 'https://%s:%d/ds1/vm1.vmdk' % (host, port)
vmw_http_file = rw_handles.VmdkHandle(None, None, None, None)
url, thumbprint = vmw_http_file._find_vmdk_url(lease_info, host, port)
self.assertEqual(exp_url, url)
self.assertEqual('11:22:33:44:55', thumbprint)
def test_update_progress(self):
session = mock.Mock()
lease = mock.Mock()
handle = rw_handles.VmdkHandle(session, lease, 'fake-url', None)
handle._get_progress = mock.Mock(return_value=50)
handle.update_progress()
session.invoke_api.assert_called_once_with(session.vim,
'HttpNfcLeaseProgress',
lease, percent=50)
def test_update_progress_with_error(self):
session = mock.Mock()
handle = rw_handles.VmdkHandle(session, None, 'fake-url', None)
handle._get_progress = mock.Mock(return_value=0)
session.invoke_api.side_effect = exceptions.VimException(None)
self.assertRaises(exceptions.VimException, handle.update_progress)
class VmdkWriteHandleTest(base.TestCase):
"""Tests for VmdkWriteHandle."""
def setUp(self):
super(VmdkWriteHandleTest, self).setUp()
self._conn = mock.Mock()
patcher = mock.patch(
'urllib3.connection.HTTPConnection')
self.addCleanup(patcher.stop)
HTTPConnectionMock = patcher.start()
HTTPConnectionMock.return_value = self._conn
def _create_mock_session(self, disk=True, progress=-1):
device_url = mock.Mock()
device_url.disk = disk
device_url.url = 'http://*/ds/disk1.vmdk'
lease_info = mock.Mock()
lease_info.deviceUrl = [device_url]
session = mock.Mock()
def session_invoke_api_side_effect(module, method, *args, **kwargs):
if module == session.vim:
if method == 'ImportVApp':
return mock.Mock()
elif method == 'HttpNfcLeaseProgress':
self.assertEqual(progress, kwargs['percent'])
return
return lease_info
session.invoke_api.side_effect = session_invoke_api_side_effect
vim_cookie = mock.Mock()
vim_cookie.name = 'name'
vim_cookie.value = 'value'
session.vim.client.options.transport.cookiejar = [vim_cookie]
return session
def test_init_failure(self):
session = self._create_mock_session(False)
self.assertRaises(exceptions.VimException,
rw_handles.VmdkWriteHandle,
session,
'10.1.2.3',
443,
'rp-1',
'folder-1',
None,
100)
def test_write(self):
session = self._create_mock_session()
handle = rw_handles.VmdkWriteHandle(session, '10.1.2.3', 443,
'rp-1', 'folder-1', None,
100)
data = [1] * 10
handle.write(data)
self.assertEqual(len(data), handle._bytes_written)
self._conn.putrequest.assert_called_once_with('PUT', '/ds/disk1.vmdk')
self._conn.send.assert_called_once_with(data)
def test_write_post(self):
session = self._create_mock_session()
handle = rw_handles.VmdkWriteHandle(session, '10.1.2.3', 443,
'rp-1', 'folder-1', None,
100, http_method='POST')
data = [1] * 10
handle.write(data)
self.assertEqual(len(data), handle._bytes_written)
self._conn.putrequest.assert_called_once_with('POST', '/ds/disk1.vmdk')
self._conn.send.assert_called_once_with(data)
def test_update_progress(self):
vmdk_size = 100
data_size = 10
session = self._create_mock_session(True, 10)
handle = rw_handles.VmdkWriteHandle(session, '10.1.2.3', 443,
'rp-1', 'folder-1', None,
vmdk_size)
handle.write([1] * data_size)
handle.update_progress()
def test_close(self):
session = self._create_mock_session()
handle = rw_handles.VmdkWriteHandle(session, '10.1.2.3', 443,
'rp-1', 'folder-1', None,
100)
def session_invoke_api_side_effect(module, method, *args, **kwargs):
if module == vim_util and method == 'get_object_property':
return 'ready'
self.assertEqual(session.vim, module)
self.assertEqual('HttpNfcLeaseComplete', method)
session.invoke_api = mock.Mock(
side_effect=session_invoke_api_side_effect)
handle.close()
self.assertEqual(2, session.invoke_api.call_count)
class VmdkReadHandleTest(base.TestCase):
"""Tests for VmdkReadHandle."""
def setUp(self):
super(VmdkReadHandleTest, self).setUp()
self._resp = mock.Mock()
self._resp.read.return_value = 'fake-data'
self._conn = mock.Mock()
self._conn.getresponse.return_value = self._resp
patcher = mock.patch(
'urllib3.connection.HTTPConnection')
self.addCleanup(patcher.stop)
HTTPConnectionMock = patcher.start()
HTTPConnectionMock.return_value = self._conn
def _create_mock_session(self, disk=True, progress=-1):
device_url = mock.Mock()
device_url.disk = disk
device_url.url = 'http://*/ds/disk1.vmdk'
lease_info = mock.Mock()
lease_info.deviceUrl = [device_url]
session = mock.Mock()
def session_invoke_api_side_effect(module, method, *args, **kwargs):
if module == session.vim:
if method == 'ExportVm':
return mock.Mock()
elif method == 'HttpNfcLeaseProgress':
self.assertEqual(progress, kwargs['percent'])
return
return lease_info
session.invoke_api.side_effect = session_invoke_api_side_effect
vim_cookie = mock.Mock()
vim_cookie.name = 'name'
vim_cookie.value = 'value'
session.vim.client.options.transport.cookiejar = [vim_cookie]
return session
def test_init_failure(self):
session = self._create_mock_session(False)
self.assertRaises(exceptions.VimException,
rw_handles.VmdkReadHandle,
session,
'10.1.2.3',
443,
'vm-1',
'[ds] disk1.vmdk',
100)
def test_read(self):
chunk_size = rw_handles.READ_CHUNKSIZE
session = self._create_mock_session()
handle = rw_handles.VmdkReadHandle(session, '10.1.2.3', 443,
'vm-1', '[ds] disk1.vmdk',
chunk_size * 10)
data = handle.read(chunk_size)
self.assertEqual('fake-data', data)
def test_update_progress(self):
chunk_size = len('fake-data')
vmdk_size = chunk_size * 10
session = self._create_mock_session(True, 10)
handle = rw_handles.VmdkReadHandle(session, '10.1.2.3', 443,
'vm-1', '[ds] disk1.vmdk',
vmdk_size)
data = handle.read(chunk_size)
handle.update_progress()
self.assertEqual('fake-data', data)
def test_close(self):
session = self._create_mock_session()
handle = rw_handles.VmdkReadHandle(session, '10.1.2.3', 443,
'vm-1', '[ds] disk1.vmdk',
100)
def session_invoke_api_side_effect(module, method, *args, **kwargs):
if module == vim_util and method == 'get_object_property':
return 'ready'
self.assertEqual(session.vim, module)
self.assertEqual('HttpNfcLeaseComplete', method)
session.invoke_api = mock.Mock(
side_effect=session_invoke_api_side_effect)
handle.close()
self.assertEqual(2, session.invoke_api.call_count)
def test_close_with_error(self):
session = self._create_mock_session()
handle = rw_handles.VmdkReadHandle(session, '10.1.2.3', 443,
'vm-1', '[ds] disk1.vmdk',
100)
session.invoke_api.side_effect = exceptions.VimException(None)
self.assertRaises(exceptions.VimException, handle.close)
self._resp.close.assert_called_once_with()
class ImageReadHandleTest(base.TestCase):
"""Tests for ImageReadHandle."""
def test_read(self):
max_items = 10
item = [1] * 10
class ImageReadIterator(six.Iterator):
def __init__(self):
self.num_items = 0
def __iter__(self):
return self
def __next__(self):
if (self.num_items < max_items):
self.num_items += 1
return item
raise StopIteration
next = __next__
handle = rw_handles.ImageReadHandle(ImageReadIterator())
for _ in range(0, max_items):
self.assertEqual(item, handle.read(10))
self.assertFalse(handle.read(10))
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