Add PactNet.Extensions.Grpc package for grpc plugin support

PactNet.sln

@@ -37,6 +37,25 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PactNet.Output.Xunit", "src\PactNet.Output.Xunit\PactNet.Output.Xunit.csproj", "{02E265A1-A7A2-4106-8F6A-5027FDC3FC50}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Grpc", "Grpc", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GrpcGreeter", "samples\Grpc\GrpcGreeter\GrpcGreeter.csproj", "{529F37CB-CDA0-6553-EAC9-8DAC2195ED69}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GrpcGreeterClient", "samples\Grpc\GrpcGreeterClient\GrpcGreeterClient.csproj", "{917DAC61-55B4-D721-B1ED-B0E352E4CF1A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GrpcGreeterClient.Tests", "samples\Grpc\GrpcGreeterClient.Tests\GrpcGreeterClient.Tests.csproj", "{13756BC3-0750-E2AF-E1F0-565855A3E636}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GrpcGreeter.Tests", "samples\Grpc\GrpcGreeter.Tests\GrpcGreeter.Tests.csproj", "{DC5371A0-7DE2-4CC5-D0E1-1DF6CB567FA6}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PactNet.Extensions.Grpc", "src\PactNet.Extensions.Grpc\PactNet.Extensions.Grpc.csproj", "{30EF8B05-ACE6-482B-97D3-B8EE45F1DE10}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pacts", "pacts", "{AF3752A7-877C-4958-8438-222D2C842D45}"
+	ProjectSection(SolutionItems) = preProject
+		samples\Grpc\pacts\grpc-greeter-client-grpc-greeter.json = samples\Grpc\pacts\grpc-greeter-client-grpc-greeter.json
+	EndProjectSection
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PactNet.Extensions.Grpc.Tests", "tests\PactNet.Extensions.Grpc.Tests\PactNet.Extensions.Grpc.Tests.csproj", "{F4C6BFE1-003A-4BFB-B855-6F5E72AB98CA}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
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+		{529F37CB-CDA0-6553-EAC9-8DAC2195ED69}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{529F37CB-CDA0-6553-EAC9-8DAC2195ED69}.Debug|Any CPU.Build.0 = Debug|Any CPU
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+		{13756BC3-0750-E2AF-E1F0-565855A3E636}.Debug|x64.ActiveCfg = Debug|Any CPU
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 	GlobalSection(SolutionProperties) = preSolution
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@@ -170,6 +261,14 @@ Global
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 		{02E265A1-A7A2-4106-8F6A-5027FDC3FC50} = {CF67D7A1-AE96-420B-9971-65E535B903E8}
+		{02EA681E-C7D8-13C7-8484-4AC65E1B71E8} = {547DB478-460A-428F-9371-1D653CE85DB5}
+		{529F37CB-CDA0-6553-EAC9-8DAC2195ED69} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{917DAC61-55B4-D721-B1ED-B0E352E4CF1A} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{13756BC3-0750-E2AF-E1F0-565855A3E636} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{DC5371A0-7DE2-4CC5-D0E1-1DF6CB567FA6} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{30EF8B05-ACE6-482B-97D3-B8EE45F1DE10} = {CF67D7A1-AE96-420B-9971-65E535B903E8}
+		{AF3752A7-877C-4958-8438-222D2C842D45} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{F4C6BFE1-003A-4BFB-B855-6F5E72AB98CA} = {A117BBC6-60BB-4282-BF10-E616DE0AFAD0}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C2CBC30C-92D4-4E3A-A5B8-1E5D4E938DFC}

samples/Grpc/GrpcGreeter.Tests/GrpcGreeter.Tests.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="xunit" Version="2.6.6" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\src\PactNet.Output.Xunit\PactNet.Output.Xunit.csproj" />
+    <ProjectReference Include="..\..\..\src\PactNet\PactNet.csproj" />
+    <ProjectReference Include="..\GrpcGreeter\GrpcGreeter.csproj" />
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
+  </ItemGroup>
+</Project>

samples/Grpc/GrpcGreeter.Tests/GrpcGreeterTest.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using PactNet;
+using PactNet.Exceptions;
+using PactNet.Infrastructure.Outputters;
+using Xunit;
+using PactNet.Output.Xunit;
+using PactNet.Verifier;
+using Xunit.Abstractions;
+
+namespace GrpcGreeter.Tests
+{
+    public class GrpcGreeterTests(ITestOutputHelper output, ServerFixture serverFixture) : IClassFixture<ServerFixture>, IDisposable
+    {
+        private readonly PactVerifier verifier = new("Grpc Greeter Api", new PactVerifierConfig
+        {
+            LogLevel = PactLogLevel.Information,
+            Outputters = new List<IOutput>
+            {
+                new XunitOutput(output)
+            }
+        });
+
+        private readonly string pactPath = Path.Combine("..", "..", "..", "..", "..", "Grpc", "pacts",
+            "grpc-greeter-client-grpc-greeter.json");
+
+        [Fact]
+        public void VerificationThrowsExceptionWhenNoRunningProvider()
+        {
+            Assert.Throws<PactVerificationFailedException>(() => verifier
+                .WithHttpEndpoint(new Uri("http://localhost:5060"))
+                .WithFileSource(new FileInfo(pactPath))
+                .Verify());
+        }
+
+        [Fact]
+        public void VerificationSuccessForRunningProvider()
+        {
+            verifier.WithHttpEndpoint(serverFixture.ProviderUri)
+                .WithFileSource(new FileInfo(pactPath))
+                .Verify();
+        }
+
+        public void Dispose()
+        {
+            this.verifier?.Dispose();
+        }
+    }
+}

samples/Grpc/GrpcGreeter.Tests/ServerFixture.cs

@@ -0,0 +1,28 @@
+using System;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Hosting;
+using PactNet;
+using PactNet.Interop;
+
+namespace GrpcGreeter.Tests;
+
+public class ServerFixture : IDisposable
+{
+    public readonly Uri ProviderUri = new("http://localhost:5000");
+    private readonly IHost server;
+
+    public ServerFixture()
+    {
+        this.server = Host.CreateDefaultBuilder()
+            .ConfigureWebHostDefaults(webBuilder =>
+            {
+                webBuilder.UseUrls(this.ProviderUri.ToString());
+                webBuilder.UseStartup<Startup>();
+            })
+            .Build();
+
+        this.server.Start();
+    }
+
+    public void Dispose() => this.server?.Dispose();
+}

samples/Grpc/GrpcGreeter/GrpcGreeter.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Protobuf Include="Protos\greet.proto" GrpcServices="Server" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Grpc.AspNetCore" Version="2.71.0" />
+    <PackageReference Include="Grpc.AspNetCore.Server.Reflection" Version="2.71.0" />
+  </ItemGroup>
+
+</Project>

samples/Grpc/GrpcGreeter/Program.cs

@@ -0,0 +1,16 @@
+namespace GrpcGreeter;
+
+public class GrpcGreeterService
+{
+    public static void Main(string[] args)
+    {
+        CreateHostBuilder(args).Build().Run();
+    }
+
+    public static IHostBuilder CreateHostBuilder(string[] args) =>
+        Host.CreateDefaultBuilder(args)
+            .ConfigureWebHostDefaults(webBuilder =>
+            {
+                webBuilder.UseStartup<Startup>();
+            });
+}

samples/Grpc/GrpcGreeter/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5251",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7272;http://localhost:5251",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

samples/Grpc/GrpcGreeter/Protos/greet.proto

@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+option csharp_namespace = "GrpcGreeter";
+
+package greet;
+
+// The greeting service definition.
+service Greeter {
+  // Sends a greeting
+  rpc SayHello (HelloRequest) returns (HelloReply);
+}
+
+// The request message containing the user's name.
+message HelloRequest {
+  string name = 1;
+}
+
+// The response message containing the greetings.
+message HelloReply {
+  string message = 1;
+}

samples/Grpc/GrpcGreeter/Services/GreeterService.cs

@@ -0,0 +1,22 @@
+using Grpc.Core;
+using GrpcGreeter;
+
+namespace GrpcGreeter.Services
+{
+    public class GreeterService : Greeter.GreeterBase
+    {
+        private readonly ILogger<GreeterService> _logger;
+        public GreeterService(ILogger<GreeterService> logger)
+        {
+            _logger = logger;
+        }
+
+        public override Task<HelloReply> SayHello(HelloRequest request, ServerCallContext context)
+        {
+            return Task.FromResult(new HelloReply
+            {
+                Message = "Hello " + request.Name
+            });
+        }
+    }
+}

samples/Grpc/GrpcGreeter/Startup.cs

@@ -0,0 +1,37 @@
+using GrpcGreeter.Services;
+
+namespace GrpcGreeter;
+
+public class Startup
+{
+    public IConfiguration Configuration { get; }
+
+    public Startup(IConfiguration configuration)
+    {
+        this.Configuration = configuration;
+    }
+
+    // This method gets called by the runtime. Use this method to add services to the container.
+    public void ConfigureServices(IServiceCollection services)
+    {
+        // Add services to the container.
+        services.AddGrpc();
+        services.AddGrpcReflection();
+
+    }
+
+    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+    {
+        app.UseRouting();
+        app.UseEndpoints(b =>
+        {
+            // Configure the HTTP request pipeline.
+            b.MapGrpcService<GreeterService>();
+            b.MapGet("/",
+                () =>
+                    "Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
+            b.MapGrpcReflectionService();
+        });
+    }
+}

samples/Grpc/GrpcGreeter/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

samples/Grpc/GrpcGreeter/appsettings.json

@@ -0,0 +1,14 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "Kestrel": {
+    "EndpointDefaults": {
+      "Protocols": "Http2"
+    }
+  }
+}