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| |
| """Tools for creating tests of implementations of the Face layer.""" |
| |
| import abc |
| |
| # face_interfaces and interfaces are referenced in specification in this module. |
| from grpc.framework.face import interfaces as face_interfaces # pylint: disable=unused-import |
| from grpc_test.framework.face.testing import interfaces # pylint: disable=unused-import |
| |
| |
| class FaceTestCase(object): |
| """Describes a test of the Face Layer of RPC Framework. |
| |
| Concrete subclasses must also inherit from unittest.TestCase and from at least |
| one class that defines test methods. |
| """ |
| __metaclass__ = abc.ABCMeta |
| |
| @abc.abstractmethod |
| def set_up_implementation( |
| self, name, methods, method_implementations, |
| multi_method_implementation): |
| """Instantiates the Face Layer implementation under test. |
| |
| Args: |
| name: The service name to be used in the test. |
| methods: A sequence of interfaces.Method objects describing the RPC |
| methods that will be called during the test. |
| method_implementations: A dictionary from string RPC method name to |
| face_interfaces.MethodImplementation object specifying |
| implementation of an RPC method. |
| multi_method_implementation: An face_interfaces.MultiMethodImplementation |
| or None. |
| |
| Returns: |
| A sequence of length two the first element of which is a |
| face_interfaces.GenericStub (backed by the given method |
| implementations), and the second element of which is an arbitrary memo |
| object to be kept and passed to tearDownImplementation at the conclusion |
| of the test. |
| """ |
| raise NotImplementedError() |
| |
| @abc.abstractmethod |
| def tear_down_implementation(self, memo): |
| """Destroys the Face layer implementation under test. |
| |
| Args: |
| memo: The object from the second position of the return value of |
| set_up_implementation. |
| """ |
| raise NotImplementedError() |