def call_credentials_metadata_plugin(plugin, name):
"""
Args:
plugin: A callable accepting a _types.AuthMetadataContext
object and a callback (itself accepting a list of metadata key/value
2-tuples and a None-able exception value). The callback must be eventually
called, but need not be called in plugin's invocation.
plugin's invocation must be non-blocking.
"""
return cygrpc.call_credentials_metadata_plugin(cygrpc.CredentialsMetadataPlugin(_WrappedPlugin(plugin), name))
def call_credentials_metadata_plugin(plugin, name):
"""
Args:
plugin: A callable accepting a _types.AuthMetadataContext
object and a callback (itself accepting a list of metadata key/value
2-tuples and a None-able exception value). The callback must be eventually
called, but need not be called in plugin's invocation.
plugin's invocation must be non-blocking.
"""
return cygrpc.call_credentials_metadata_plugin(
cygrpc.CredentialsMetadataPlugin(_WrappedPlugin(plugin), name))
def testCallCredentialsFromPluginUpDown(self):
plugin = cygrpc.CredentialsMetadataPlugin(_metadata_plugin_callback,
b'')
call_credentials = cygrpc.call_credentials_metadata_plugin(plugin)
del plugin
del call_credentials
def testEcho(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
CLIENT_METADATA_ASCII_KEY = b'key'
CLIENT_METADATA_ASCII_VALUE = b'val'
CLIENT_METADATA_BIN_KEY = b'key-bin'
CLIENT_METADATA_BIN_VALUE = b'\0' * 1000
SERVER_INITIAL_METADATA_KEY = b'init_me_me_me'
SERVER_INITIAL_METADATA_VALUE = b'whodawha?'
SERVER_TRAILING_METADATA_KEY = b'california_is_in_a_drought'
SERVER_TRAILING_METADATA_VALUE = b'zomg it is'
SERVER_STATUS_CODE = cygrpc.StatusCode.ok
SERVER_STATUS_DETAILS = b'our work is never over'
REQUEST = b'in death a member of project mayhem has a name'
RESPONSE = b'his name is robert paulson'
METHOD = b'/twinkies'
HOST = None # Default host
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
server_request_tag = object()
request_call_result = self.server.request_call(
self.server_completion_queue, self.server_completion_queue,
server_request_tag)
self.assertEqual(cygrpc.CallError.ok, request_call_result)
plugin = cygrpc.CredentialsMetadataPlugin(_metadata_plugin_callback,
'')
call_credentials = cygrpc.call_credentials_metadata_plugin(plugin)
client_call_tag = object()
client_call = self.client_channel.create_call(
None, 0, self.client_completion_queue, METHOD, HOST,
cygrpc_deadline)
client_call.set_credentials(call_credentials)
client_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(CLIENT_METADATA_ASCII_KEY,
CLIENT_METADATA_ASCII_VALUE),
cygrpc.Metadatum(CLIENT_METADATA_BIN_KEY,
CLIENT_METADATA_BIN_VALUE)
])
client_start_batch_result = client_call.start_batch(
cygrpc.Operations([
cygrpc.operation_send_initial_metadata(
client_initial_metadata),
cygrpc.operation_send_message(REQUEST),
cygrpc.operation_send_close_from_client(),
cygrpc.operation_receive_initial_metadata(),
cygrpc.operation_receive_message(),
cygrpc.operation_receive_status_on_client()
]), client_call_tag)
self.assertEqual(cygrpc.CallError.ok, client_start_batch_result)
client_event_future = test_utilities.CompletionQueuePollFuture(
self.client_completion_queue, cygrpc_deadline)
request_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(cygrpc.CompletionType.operation_complete,
request_event.type)
self.assertIsInstance(request_event.operation_call, cygrpc.Call)
self.assertIs(server_request_tag, request_event.tag)
self.assertEqual(0, len(request_event.batch_operations))
client_metadata_with_credentials = list(client_initial_metadata) + [
(_CALL_CREDENTIALS_METADATA_KEY, _CALL_CREDENTIALS_METADATA_VALUE)
]
self.assertTrue(
test_common.metadata_transmitted(client_metadata_with_credentials,
request_event.request_metadata))
self.assertEqual(METHOD, request_event.request_call_details.method)
self.assertEqual(_SSL_HOST_OVERRIDE,
request_event.request_call_details.host)
self.assertLess(
abs(DEADLINE - float(request_event.request_call_details.deadline)),
DEADLINE_TOLERANCE)
server_call_tag = object()
server_call = request_event.operation_call
server_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_INITIAL_METADATA_KEY,
SERVER_INITIAL_METADATA_VALUE)
])
server_trailing_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_TRAILING_METADATA_KEY,
SERVER_TRAILING_METADATA_VALUE)
])
server_start_batch_result = server_call.start_batch([
cygrpc.operation_send_initial_metadata(server_initial_metadata),
cygrpc.operation_receive_message(),
cygrpc.operation_send_message(RESPONSE),
cygrpc.operation_receive_close_on_server(),
cygrpc.operation_send_status_from_server(server_trailing_metadata,
SERVER_STATUS_CODE,
SERVER_STATUS_DETAILS)
], server_call_tag)
self.assertEqual(cygrpc.CallError.ok, server_start_batch_result)
client_event = client_event_future.result()
server_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(6, len(client_event.batch_operations))
found_client_op_types = set()
for client_result in client_event.batch_operations:
# we expect each op type to be unique
self.assertNotIn(client_result.type, found_client_op_types)
found_client_op_types.add(client_result.type)
if client_result.type == cygrpc.OperationType.receive_initial_metadata:
self.assertTrue(
test_common.metadata_transmitted(
server_initial_metadata,
client_result.received_metadata))
elif client_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(RESPONSE,
client_result.received_message.bytes())
elif client_result.type == cygrpc.OperationType.receive_status_on_client:
self.assertTrue(
test_common.metadata_transmitted(
server_trailing_metadata,
client_result.received_metadata))
self.assertEqual(SERVER_STATUS_DETAILS,
client_result.received_status_details)
self.assertEqual(SERVER_STATUS_CODE,
client_result.received_status_code)
self.assertEqual(
set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.send_message,
cygrpc.OperationType.send_close_from_client,
cygrpc.OperationType.receive_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.receive_status_on_client
]), found_client_op_types)
self.assertEqual(5, len(server_event.batch_operations))
found_server_op_types = set()
for server_result in server_event.batch_operations:
self.assertNotIn(client_result.type, found_server_op_types)
found_server_op_types.add(server_result.type)
if server_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(REQUEST,
server_result.received_message.bytes())
elif server_result.type == cygrpc.OperationType.receive_close_on_server:
self.assertFalse(server_result.received_cancelled)
self.assertEqual(
set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.send_message,
cygrpc.OperationType.receive_close_on_server,
cygrpc.OperationType.send_status_from_server
]), found_server_op_types)
del client_call
del server_call
def testEcho(self):
DEADLINE = time.time()+5
DEADLINE_TOLERANCE = 0.25
CLIENT_METADATA_ASCII_KEY = b'key'
CLIENT_METADATA_ASCII_VALUE = b'val'
CLIENT_METADATA_BIN_KEY = b'key-bin'
CLIENT_METADATA_BIN_VALUE = b'\0'*1000
SERVER_INITIAL_METADATA_KEY = b'init_me_me_me'
SERVER_INITIAL_METADATA_VALUE = b'whodawha?'
SERVER_TRAILING_METADATA_KEY = b'california_is_in_a_drought'
SERVER_TRAILING_METADATA_VALUE = b'zomg it is'
SERVER_STATUS_CODE = cygrpc.StatusCode.ok
SERVER_STATUS_DETAILS = b'our work is never over'
REQUEST = b'in death a member of project mayhem has a name'
RESPONSE = b'his name is robert paulson'
METHOD = b'/twinkies'
HOST = None # Default host
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
server_request_tag = object()
request_call_result = self.server.request_call(
self.server_completion_queue, self.server_completion_queue,
server_request_tag)
self.assertEqual(cygrpc.CallError.ok, request_call_result)
plugin = cygrpc.CredentialsMetadataPlugin(_metadata_plugin_callback, '')
call_credentials = cygrpc.call_credentials_metadata_plugin(plugin)
client_call_tag = object()
client_call = self.client_channel.create_call(
None, 0, self.client_completion_queue, METHOD, HOST, cygrpc_deadline)
client_call.set_credentials(call_credentials)
client_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(CLIENT_METADATA_ASCII_KEY,
CLIENT_METADATA_ASCII_VALUE),
cygrpc.Metadatum(CLIENT_METADATA_BIN_KEY, CLIENT_METADATA_BIN_VALUE)])
client_start_batch_result = client_call.start_batch(cygrpc.Operations([
cygrpc.operation_send_initial_metadata(client_initial_metadata),
cygrpc.operation_send_message(REQUEST),
cygrpc.operation_send_close_from_client(),
cygrpc.operation_receive_initial_metadata(),
cygrpc.operation_receive_message(),
cygrpc.operation_receive_status_on_client()
]), client_call_tag)
self.assertEqual(cygrpc.CallError.ok, client_start_batch_result)
client_event_future = test_utilities.CompletionQueuePollFuture(
self.client_completion_queue, cygrpc_deadline)
request_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(cygrpc.CompletionType.operation_complete,
request_event.type)
self.assertIsInstance(request_event.operation_call, cygrpc.Call)
self.assertIs(server_request_tag, request_event.tag)
self.assertEqual(0, len(request_event.batch_operations))
client_metadata_with_credentials = list(client_initial_metadata) + [
(_CALL_CREDENTIALS_METADATA_KEY, _CALL_CREDENTIALS_METADATA_VALUE)]
self.assertTrue(
test_common.metadata_transmitted(client_metadata_with_credentials,
request_event.request_metadata))
self.assertEqual(METHOD, request_event.request_call_details.method)
self.assertEqual(_SSL_HOST_OVERRIDE,
request_event.request_call_details.host)
self.assertLess(
abs(DEADLINE - float(request_event.request_call_details.deadline)),
DEADLINE_TOLERANCE)
server_call_tag = object()
server_call = request_event.operation_call
server_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_INITIAL_METADATA_KEY,
SERVER_INITIAL_METADATA_VALUE)])
server_trailing_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_TRAILING_METADATA_KEY,
SERVER_TRAILING_METADATA_VALUE)])
server_start_batch_result = server_call.start_batch([
cygrpc.operation_send_initial_metadata(server_initial_metadata),
cygrpc.operation_receive_message(),
cygrpc.operation_send_message(RESPONSE),
cygrpc.operation_receive_close_on_server(),
cygrpc.operation_send_status_from_server(
server_trailing_metadata, SERVER_STATUS_CODE, SERVER_STATUS_DETAILS)
], server_call_tag)
self.assertEqual(cygrpc.CallError.ok, server_start_batch_result)
client_event = client_event_future.result()
server_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(6, len(client_event.batch_operations))
found_client_op_types = set()
for client_result in client_event.batch_operations:
# we expect each op type to be unique
self.assertNotIn(client_result.type, found_client_op_types)
found_client_op_types.add(client_result.type)
if client_result.type == cygrpc.OperationType.receive_initial_metadata:
self.assertTrue(
test_common.metadata_transmitted(server_initial_metadata,
client_result.received_metadata))
elif client_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(RESPONSE, client_result.received_message.bytes())
elif client_result.type == cygrpc.OperationType.receive_status_on_client:
self.assertTrue(
test_common.metadata_transmitted(server_trailing_metadata,
client_result.received_metadata))
self.assertEqual(SERVER_STATUS_DETAILS,
client_result.received_status_details)
self.assertEqual(SERVER_STATUS_CODE, client_result.received_status_code)
self.assertEqual(set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.send_message,
cygrpc.OperationType.send_close_from_client,
cygrpc.OperationType.receive_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.receive_status_on_client
]), found_client_op_types)
self.assertEqual(5, len(server_event.batch_operations))
found_server_op_types = set()
for server_result in server_event.batch_operations:
self.assertNotIn(client_result.type, found_server_op_types)
found_server_op_types.add(server_result.type)
if server_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(REQUEST, server_result.received_message.bytes())
elif server_result.type == cygrpc.OperationType.receive_close_on_server:
self.assertFalse(server_result.received_cancelled)
self.assertEqual(set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.send_message,
cygrpc.OperationType.receive_close_on_server,
cygrpc.OperationType.send_status_from_server
]), found_server_op_types)
del client_call
del server_call