Merge pull request #221 from ChrisDoernen/integration-test-example

Add remote calculator project and according tests

Author: Arash-Sabet

.gitignore

@@ -9,6 +9,7 @@
 *.user
 *.userosscache
 *.sln.docstates
+*.idea
 
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs

examples/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService/GenericControllerDemo.http

@@ -0,0 +1,6 @@
+@HostAddress = http://localhost:8080
+
+POST {{HostAddress}}/add
+Content-Type: application/json
+
+{"X":"1", "Y":"4"}

examples/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService/Program.cs

@@ -0,0 +1,12 @@
+using Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService;
+
+var builder = WebApplication.CreateBuilder(args);
+
+var app = builder.Build();
+
+app.MapPost("add", (AddRequest request) => Results.Json(request.X + request.Y));
+
+app.Run();
+
+// Used for type reference in web application factory
+public partial class Program;

examples/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService/Properties/launchSettings.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "applicationUrl": "http://localhost:8080",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

examples/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService/Requests.cs

@@ -0,0 +1,3 @@
+namespace Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService;
+
+public record AddRequest(int X, int Y);

examples/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+		<TargetFramework>net8.0</TargetFramework>
+		<LangVersion>latest</LangVersion>
+		<IsPackable>false</IsPackable>
+		<Nullable>enable</Nullable>
+		<ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.0" />
+  </ItemGroup>
+
+</Project>

examples/Xunit.Microsoft.DependencyInjection.ExampleTests.CalculationService/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

examples/Xunit.Microsoft.DependencyInjection.ExampleTests/CalculatorTests.cs

@@ -0,0 +1,32 @@
+using Microsoft.Extensions.Options;
+using Options = Xunit.Microsoft.DependencyInjection.ExampleTests.Services.Options;
+
+namespace Xunit.Microsoft.DependencyInjection.ExampleTests;
+
+public class CalculatorTests : TestBed<CalculatorFixture>
+{
+    private readonly Options _options;
+
+    public CalculatorTests(ITestOutputHelper testOutputHelper, CalculatorFixture fixture)
+        : base(testOutputHelper, fixture) => _options = _fixture.GetService<IOptions<Options>>(_testOutputHelper)!.Value;
+
+    [Theory]
+    [InlineData(1, 2)]
+    public async Task TestServiceAsync(int x, int y)
+    {
+        var calculator = _fixture.GetService<ICalculator>(_testOutputHelper)!;
+        var calculatedValue = await calculator.AddAsync(x, y);
+        var expected = _options.Rate * (x + y);
+        Assert.True(expected == calculatedValue);
+    }
+
+    [Theory]
+    [InlineData(1, 2)]
+    public async Task TestScopedServiceAsync(int x, int y)
+    {
+        var calculator = _fixture.GetScopedService<ICalculator>(_testOutputHelper)!;
+        var calculatedValue = await calculator.AddAsync(x, y);
+        var expected = _options.Rate * (x + y);
+        Assert.True(expected == calculatedValue);
+    }
+}

…ion.ExampleTests/Fixtures/TestFixture.cs …ampleTests/Fixtures/CalculatorFixture.csexamples/Xunit.Microsoft.DependencyInjection.ExampleTests/Fixtures/TestFixture.cs renamed to examples/Xunit.Microsoft.DependencyInjection.ExampleTests/Fixtures/CalculatorFixture.cs examples/Xunit.Microsoft.DependencyInjection.ExampleTests/Fixtures/TestFixture.cs renamed to examples/Xunit.Microsoft.DependencyInjection.ExampleTests/Fixtures/CalculatorFixture.cs

@@ -1,6 +1,6 @@
 namespace Xunit.Microsoft.DependencyInjection.ExampleTests.Fixtures;
 
-public class TestFixture : TestBedFixture
+public class CalculatorFixture : TestBedFixture
 {
     protected override void AddServices(IServiceCollection services, IConfiguration? configuration)
         => services

examples/Xunit.Microsoft.DependencyInjection.ExampleTests/Fixtures/RemoteCalculatorFixture.cs

@@ -0,0 +1,35 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+
+namespace Xunit.Microsoft.DependencyInjection.ExampleTests.Fixtures;
+
+public class RemoteCalculatorFixture : TestBedFixture
+{
+    public WebApplicationFactory<Program> Factory { get; }
+
+    public RemoteCalculatorFixture(IMessageSink messageSink)
+    {
+        Factory = new WebApplicationFactory<Program>();
+    }
+
+    protected override void AddServices(IServiceCollection services, IConfiguration? configuration)
+        => services
+            .AddSingleton<IHttpClientFactory>(_ => new StaticClientFactory(Factory.CreateClient()))
+            .AddTransient<ICalculator, RemoteCalculator>()
+            .Configure<Options>(config => configuration?.GetSection("Options").Bind(config));
+
+    protected override ValueTask DisposeAsyncCore()
+        => new();
+
+    protected override IEnumerable<TestAppSettings> GetTestAppSettings()
+    {
+        yield return new() { Filename = "appsettings.json", IsOptional = false };
+    }
+}
+
+public class StaticClientFactory(HttpClient client) : IHttpClientFactory
+{
+    public HttpClient CreateClient(string name)
+    {
+        return client;
+    }
+}