diff --git a/src/csharp/Grpc.Examples.Tests/MathServiceImplTestabilityTest.cs b/src/csharp/Grpc.Examples.Tests/MathServiceImplTestabilityTest.cs new file mode 100644 index 00000000000..7c5fb94408f --- /dev/null +++ b/src/csharp/Grpc.Examples.Tests/MathServiceImplTestabilityTest.cs @@ -0,0 +1,47 @@ +#region Copyright notice and license + +// Copyright 2018 The gRPC Authors +// +// 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. + +#endregion + +using System; +using System.Threading; +using System.Threading.Tasks; +using Grpc.Core; +using Grpc.Core.Testing; +using Grpc.Core.Utils; +using NUnit.Framework; + +namespace Math.Tests +{ + /// + /// Demonstrates how to unit test implementations of generated server stubs. + /// + public class MathServiceImplTestabilityTest + { + [Test] + public async Task ServerCallImplIsTestable() + { + var mathImpl = new MathServiceImpl(); + + // Use a factory method provided by Grpc.Core.Testing.TestServerCallContext to create an instance of server call context. + // This allows testing even those server-side implementations that rely on the contents of ServerCallContext. + var fakeServerCallContext = TestServerCallContext.Create("fooMethod", null, DateTime.UtcNow.AddHours(1), new Metadata(), CancellationToken.None, "127.0.0.1", null, null, (metadata) => TaskUtils.CompletedTask, () => new WriteOptions(), (writeOptions) => { }); + var response = await mathImpl.Div(new DivArgs { Dividend = 10, Divisor = 2 }, fakeServerCallContext); + Assert.AreEqual(5, response.Quotient); + Assert.AreEqual(0, response.Remainder); + } + } +} diff --git a/src/csharp/tests.json b/src/csharp/tests.json index dc1f0857952..c2f243fe0ae 100644 --- a/src/csharp/tests.json +++ b/src/csharp/tests.json @@ -42,7 +42,8 @@ ], "Grpc.Examples.Tests": [ "Math.Tests.MathClientMockableTest", - "Math.Tests.MathClientServerTest" + "Math.Tests.MathClientServerTest", + "Math.Tests.MathServiceImplTestabilityTest" ], "Grpc.HealthCheck.Tests": [ "Grpc.HealthCheck.Tests.HealthClientServerTest",