C# TestService.UnaryCall方法代码示例

        public static async Task RunStatusCodeAndMessageAsync(TestService.TestServiceClient client)
        {
            Console.WriteLine("running status_code_and_message");
            var echoStatus = new EchoStatus
            {
                Code = 2,
                Message = "test status message"
            };

            {
                // step 1: test unary call
                var request = new SimpleRequest { ResponseStatus = echoStatus };

                var e = Assert.Throws<RpcException>(() => client.UnaryCall(request));
                Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
                Assert.AreEqual(echoStatus.Message, e.Status.Detail);
            }

            {
                // step 2: test full duplex call
                var request = new StreamingOutputCallRequest { ResponseStatus = echoStatus };

                var call = client.FullDuplexCall();
                await call.RequestStream.WriteAsync(request);
                await call.RequestStream.CompleteAsync();

                try
                {
                    // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
                    await call.ResponseStream.ToListAsync();
                    Assert.Fail();
                }
                catch (RpcException e)
                {
                    Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
                    Assert.AreEqual(echoStatus.Message, e.Status.Detail);
                }
            }

            Console.WriteLine("Passed!");
        }

        public static void RunClientCompressedUnary(TestService.TestServiceClient client)
        {
            Console.WriteLine("running client_compressed_unary");
            var probeRequest = new SimpleRequest
            {
                ExpectCompressed = new BoolValue
                {
                    Value = true  // lie about compression
                },
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828)
            };
            var e = Assert.Throws<RpcException>(() => client.UnaryCall(probeRequest, CreateClientCompressionMetadata(false)));
            Assert.AreEqual(StatusCode.InvalidArgument, e.Status.StatusCode);

            var compressedRequest = new SimpleRequest
            {
                ExpectCompressed = new BoolValue
                {
                    Value = true
                },
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828)
            };
            var response1 = client.UnaryCall(compressedRequest, CreateClientCompressionMetadata(true));
            Assert.AreEqual(314159, response1.Payload.Body.Length);

            var uncompressedRequest = new SimpleRequest
            {
                ExpectCompressed = new BoolValue
                {
                    Value = false
                },
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828)
            };
            var response2 = client.UnaryCall(uncompressedRequest, CreateClientCompressionMetadata(false));
            Assert.AreEqual(314159, response2.Payload.Body.Length);

            Console.WriteLine("Passed!");
        }

        public static async Task RunOAuth2AuthTokenAsync(TestService.TestServiceClient client, string oauthScope)
        {
            Console.WriteLine("running oauth2_auth_token");
            ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
            string oauth2Token = await credential.GetAccessTokenForRequestAsync();

            var credentials = GoogleGrpcCredentials.FromAccessToken(oauth2Token);
            var request = new SimpleRequest
            {
                FillUsername = true,
                FillOauthScope = true
            };

            var response = client.UnaryCall(request, new CallOptions(credentials: credentials));

            Assert.False(string.IsNullOrEmpty(response.OauthScope));
            Assert.True(oauthScope.Contains(response.OauthScope));
            Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
            Console.WriteLine("Passed!");
        }

        public static async Task RunPerRpcCredsAsync(TestService.TestServiceClient client, string oauthScope)
        {
            Console.WriteLine("running per_rpc_creds");
            ITokenAccess googleCredential = await GoogleCredential.GetApplicationDefaultAsync();

            var credentials = googleCredential.ToCallCredentials();
            var request = new SimpleRequest
            {
                FillUsername = true,
            };

            var response = client.UnaryCall(request, new CallOptions(credentials: credentials));

            Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
            Console.WriteLine("Passed!");
        }

        public static void RunComputeEngineCreds(TestService.TestServiceClient client, string defaultServiceAccount, string oauthScope)
        {
            Console.WriteLine("running compute_engine_creds");

            var request = new SimpleRequest
            {
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828),
                FillUsername = true,
                FillOauthScope = true
            };

            // not setting credentials here because they were set on channel already
            var response = client.UnaryCall(request);

            Assert.AreEqual(314159, response.Payload.Body.Length);
            Assert.False(string.IsNullOrEmpty(response.OauthScope));
            Assert.True(oauthScope.Contains(response.OauthScope));
            Assert.AreEqual(defaultServiceAccount, response.Username);
            Console.WriteLine("Passed!");
        }

        public static void RunJwtTokenCreds(TestService.TestServiceClient client)
        {
            Console.WriteLine("running jwt_token_creds");
           
            var request = new SimpleRequest
            {
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828),
                FillUsername = true,
            };

            // not setting credentials here because they were set on channel already
            var response = client.UnaryCall(request);

            Assert.AreEqual(314159, response.Payload.Body.Length);
            Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
            Console.WriteLine("Passed!");
        }

        public static async Task RunPerRpcCredsAsync(TestService.TestServiceClient client, string oauthScope)
        {
#if !NETCOREAPP1_0
            Console.WriteLine("running per_rpc_creds");
            ITokenAccess googleCredential = await GoogleCredential.GetApplicationDefaultAsync();

            var credentials = googleCredential.ToCallCredentials();
            var request = new SimpleRequest
            {
                FillUsername = true,
            };

            var response = client.UnaryCall(request, new CallOptions(credentials: credentials));

            Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
            Console.WriteLine("Passed!");
#else
            // TODO(jtattermusch): implement this
            throw new NotImplementedException("Not supported on CoreCLR yet");
#endif
        }

        public static void RunLargeUnary(TestService.TestServiceClient client)
        {
            Console.WriteLine("running large_unary");
            var request = new SimpleRequest
            {
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828)
            };
            var response = client.UnaryCall(request);

            Assert.AreEqual(314159, response.Payload.Body.Length);
            Console.WriteLine("Passed!");
        }

        public static async Task RunOAuth2AuthTokenAsync(TestService.TestServiceClient client, string oauthScope)
        {
#if !NETCOREAPP1_0
            Console.WriteLine("running oauth2_auth_token");
            ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
            string oauth2Token = await credential.GetAccessTokenForRequestAsync();

            var credentials = GoogleGrpcCredentials.FromAccessToken(oauth2Token);
            var request = new SimpleRequest
            {
                FillUsername = true,
                FillOauthScope = true
            };

            var response = client.UnaryCall(request, new CallOptions(credentials: credentials));

            Assert.False(string.IsNullOrEmpty(response.OauthScope));
            Assert.True(oauthScope.Contains(response.OauthScope));
            Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
            Console.WriteLine("Passed!");
#else
            // TODO(jtattermusch): implement this
            throw new NotImplementedException("Not supported on CoreCLR yet");
#endif
        }

        public static async Task RunPerRpcCredsAsync(TestService.TestServiceClient client, string defaultServiceAccount, string oauthScope)
        {
            Console.WriteLine("running per_rpc_creds");
            ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
            string accessToken = await credential.GetAccessTokenForRequestAsync();
            var headerInterceptor = AuthInterceptors.FromAccessToken(accessToken);

            var request = new SimpleRequest
            {
                FillUsername = true,
            };

            var headers = new Metadata();
            headerInterceptor(null, "", headers);
            var response = client.UnaryCall(request, headers: headers);

            Assert.AreEqual(defaultServiceAccount, response.Username);
            Console.WriteLine("Passed!");
        }

        public static async Task RunJwtTokenCredsAsync(TestService.TestServiceClient client, string defaultServiceAccount)
        {
            Console.WriteLine("running jwt_token_creds");
            var credential = await GoogleCredential.GetApplicationDefaultAsync();
            Assert.IsTrue(credential.IsCreateScopedRequired);
            client.HeaderInterceptor = AuthInterceptors.FromCredential(credential);

            var request = new SimpleRequest
            {
                ResponseType = PayloadType.COMPRESSABLE,
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828),
                FillUsername = true,
            };

            var response = client.UnaryCall(request);

            Assert.AreEqual(PayloadType.COMPRESSABLE, response.Payload.Type);
            Assert.AreEqual(314159, response.Payload.Body.Length);
            Assert.AreEqual(defaultServiceAccount, response.Username);
            Console.WriteLine("Passed!");
        }

        public static async Task RunOAuth2AuthTokenAsync(TestService.TestServiceClient client)
        {
            Console.WriteLine("running oauth2_auth_token");
            ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { AuthScope });
            string oauth2Token = await credential.GetAccessTokenForRequestAsync();

            client.HeaderInterceptor = AuthInterceptors.FromAccessToken(oauth2Token);

            var request = new SimpleRequest
            {
                FillUsername = true,
                FillOauthScope = true
            };

            var response = client.UnaryCall(request);

            Assert.AreEqual(AuthScopeResponse, response.OauthScope);
            Assert.AreEqual(ServiceAccountUser, response.Username);
            Console.WriteLine("Passed!");
        }

        public static async Task RunServiceAccountCredsAsync(TestService.TestServiceClient client)
        {
            Console.WriteLine("running service_account_creds");
            var credential = await GoogleCredential.GetApplicationDefaultAsync();
            credential = credential.CreateScoped(new[] { AuthScope });
            client.HeaderInterceptor = AuthInterceptors.FromCredential(credential);

            var request = new SimpleRequest
            {
                ResponseType = PayloadType.COMPRESSABLE,
                ResponseSize = 314159,
                Payload = CreateZerosPayload(271828),
                FillUsername = true,
                FillOauthScope = true
            };

            var response = client.UnaryCall(request);

            Assert.AreEqual(PayloadType.COMPRESSABLE, response.Payload.Type);
            Assert.AreEqual(314159, response.Payload.Body.Length);
            Assert.AreEqual(AuthScopeResponse, response.OauthScope);
            Assert.AreEqual(ServiceAccountUser, response.Username);
            Console.WriteLine("Passed!");
        }