def test_list_instances_flattened_error():
client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials())
# Attempting to call a method with both a request object and flattened
# fields is an error.
with pytest.raises(ValueError):
client.list_instances(
cloud_memcache.ListInstancesRequest(), parent="parent_value"
)
def test_list_instances_pages():
client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials)
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client._transport.list_instances), "__call__") as call:
# Set the response to a series of pages.
call.side_effect = (
cloud_memcache.ListInstancesResponse(
resources=[
cloud_memcache.Instance(),
cloud_memcache.Instance(),
cloud_memcache.Instance(),
],
next_page_token="abc",
),
cloud_memcache.ListInstancesResponse(resources=[], next_page_token="def"),
cloud_memcache.ListInstancesResponse(
resources=[cloud_memcache.Instance()], next_page_token="ghi"
),
cloud_memcache.ListInstancesResponse(
resources=[cloud_memcache.Instance(), cloud_memcache.Instance()]
),
RuntimeError,
)
pages = list(client.list_instances(request={}).pages)
for page, token in zip(pages, ["abc", "def", "ghi", ""]):
assert page.raw_page.next_page_token == token
def test_list_instances_pager():
client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials)
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client._transport.list_instances), "__call__") as call:
# Set the response to a series of pages.
call.side_effect = (
cloud_memcache.ListInstancesResponse(
resources=[
cloud_memcache.Instance(),
cloud_memcache.Instance(),
cloud_memcache.Instance(),
],
next_page_token="abc",
),
cloud_memcache.ListInstancesResponse(resources=[], next_page_token="def"),
cloud_memcache.ListInstancesResponse(
resources=[cloud_memcache.Instance()], next_page_token="ghi"
),
cloud_memcache.ListInstancesResponse(
resources=[cloud_memcache.Instance(), cloud_memcache.Instance()]
),
RuntimeError,
)
results = [i for i in client.list_instances(request={})]
assert len(results) == 6
assert all(isinstance(i, cloud_memcache.Instance) for i in results)
def test_list_instances(transport: str = "grpc"):
client = CloudMemcacheClient(
credentials=credentials.AnonymousCredentials(), transport=transport
)
# Everything is optional in proto3 as far as the runtime is concerned,
# and we are mocking out the actual API, so just send an empty request.
request = cloud_memcache.ListInstancesRequest()
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client._transport.list_instances), "__call__") as call:
# Designate an appropriate return value for the call.
call.return_value = cloud_memcache.ListInstancesResponse(
next_page_token="next_page_token_value", unreachable=["unreachable_value"]
)
response = client.list_instances(request)
# Establish that the underlying gRPC stub method was called.
assert len(call.mock_calls) == 1
_, args, _ = call.mock_calls[0]
assert args[0] == request
# Establish that the response is the type that we expect.
assert isinstance(response, pagers.ListInstancesPager)
assert response.next_page_token == "next_page_token_value"
assert response.unreachable == ["unreachable_value"]
def test_list_instances_field_headers():
client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials())
# Any value that is part of the HTTP/1.1 URI should be sent as
# a field header. Set these to a non-empty value.
request = cloud_memcache.ListInstancesRequest(parent="parent/value")
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client._transport.list_instances), "__call__") as call:
call.return_value = cloud_memcache.ListInstancesResponse()
client.list_instances(request)
# Establish that the underlying gRPC stub method was called.
assert len(call.mock_calls) == 1
_, args, _ = call.mock_calls[0]
assert args[0] == request
# Establish that the field header was sent.
_, _, kw = call.mock_calls[0]
assert ("x-goog-request-params", "parent=parent/value") in kw["metadata"]
def test_list_instances_flattened():
client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials())
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client._transport.list_instances), "__call__") as call:
# Designate an appropriate return value for the call.
call.return_value = cloud_memcache.ListInstancesResponse()
# Call the method with a truthy value for each flattened field,
# using the keyword arguments to the method.
response = client.list_instances(parent="parent_value")
# Establish that the underlying call was made with the expected
# request object values.
assert len(call.mock_calls) == 1
_, args, _ = call.mock_calls[0]
assert args[0].parent == "parent_value"