Feature/ci test setup

.github/workflows/ci-cd.yml

@@ -1,36 +1,46 @@
 name: ASP.NET Core 8 API CI/CD
+
 on:
   push:
     branches: [main]
   pull_request:
-    branches: [main] 
+    branches: [main]
 
 jobs:
-  build: # Fisrt we we will setup only build job
-    runs-on: ubuntu-latest # <-- OS to run the job
-    env: # Environment variables
-      SOLUTION_PATH: SimpleAPI/SimpleAPI.sln #// Path to the solution file
+  build:
+    runs-on: ubuntu-latest
+    env:
+      SOLUTION_PATH: SimpleAPI/SimpleAPI.sln
+      TEST_PROJECT_PATH: SimpleAPI.Test/SimpleAPI.Test.csproj
 
     steps:
-      - name: Checkout-code # Step 1: Checkout the code from repository
-        uses: actions/checkout@v3 # This is a predefined action in GutHib to checkout code
-
-      - name: Setup .NET 8 SDK # Step 2: we will setup .net 8 sdk for build 
-        uses: actions/setup-dotnet@v3 # Predefined action to setup dotnet
-        with: #<-- provide parameters to the action
-          dotnet-version: '8.0.x' # Specify the .NET version to install
-      - name: Cache NuGet Packages # Step 2.1: Cache NuGet packages to speed up builds
+      # Step 1: Checkout the code from repository
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      # Step 2: Setup .NET 8 SDK
+      - name: Setup .NET 8 SDK
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '8.0.x'
+
+      # Step 2.1: Cache NuGet packages
+      - name: Cache NuGet Packages
         uses: actions/cache@v3
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj') }}
           restore-keys: |
             ${{ runner.os }}-nuget-
 
-      - name: Restore dependencies # Step 3: Restore the dependencies
-        run: dotnet restore $SOLUTION_PATH   
-
-      - name: Build solution # Step 4: Build the solution
-        run: dotnet build $SOLUTION_PATH --no-restore --configuration Release  
+      # Step 3: Restore dependencies
+      - name: Restore dependencies
+        run: dotnet restore $SOLUTION_PATH
 
+      # Step 4: Build the solution
+      - name: Build solution
+        run: dotnet build $SOLUTION_PATH --no-restore --configuration Release
 
+      # Step 5: Run Unit Tests (xUnit)
+      - name: Run unit tests
+        run: dotnet test $TEST_PROJECT_PATH --no-build --configuration Release --verbosity normal

SimpleAPI.Test/SimpleAPI.Test.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.21" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.5.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
+
+  </ItemGroup>
+
+  <ItemGroup>
+	<ProjectReference Include="..\SimpleAPI\SimpleAPI.csproj" />
+  </ItemGroup>
+
+</Project>

SimpleAPI.Test/UsersControllerTests.cs

@@ -0,0 +1,47 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.VisualStudio.TestPlatform.TestHost;
+using System.Net.Http.Json;
+using Xunit;
+
+namespace SimpleAPI.Test
+{
+    public class UsersControllerTests:IClassFixture<WebApplicationFactory<Program>>
+    {
+        private readonly HttpClient _httpClient;
+
+        public UsersControllerTests(WebApplicationFactory<Program> factory)
+        {
+            _httpClient = factory.CreateClient();// ← this talks to your in-memory API
+        }
+        [Fact]
+        public async Task GetAllUsers_ReturnsList()
+        {
+            var response = await _httpClient.GetAsync("/api/users");
+            response.EnsureSuccessStatusCode();
+            var json = await response.Content.ReadAsStringAsync();
+            Assert.Contains("Ravinder", json);
+        }
+        [Theory]
+        [InlineData(1)]
+        [InlineData(2)]
+        public async Task GetUser_ById_ReturnsCorrectUser(int id)
+        {
+            // Act
+            var response = await _httpClient.GetAsync($"/api/users/{id}");
+            response.EnsureSuccessStatusCode();
+
+            // Deserialize JSON to a C# object
+            var user = await response.Content.ReadFromJsonAsync<UserDto>();
+
+            // Assert
+            Assert.NotNull(user);
+            Assert.Equal(id, user!.Id);
+            Assert.Equal($"User {id}", user.Name);
+        }
+    }
+    public class UserDto
+    {
+        public int Id { get; set; }
+        public string? Name { get; set; }
+    }
+}

SimpleAPI/Controllers/UsersController.cs

@@ -0,0 +1,26 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace SimpleAPI.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class UsersController : ControllerBase
+    {
+        [HttpGet]
+        public IActionResult GetAllUsers()
+        {
+            var users = new[]
+            {
+                new { Id = 1, Name = "Ravinder" },
+                new { Id = 2, Name = "John" }
+            };
+            return Ok(users);
+        }
+
+        [HttpGet("{id}")]
+        public IActionResult GetUser(int id)
+        {
+            return Ok(new { Id = id, Name = $"User {id}" });
+        }
+    }
+}

SimpleAPI/Program.cs

@@ -1,7 +1,8 @@
-var builder = WebApplication.CreateBuilder(args);
+var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddControllers(); // ✅ Add this line
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
 
@@ -15,7 +16,10 @@
 }
 
 //app.UseHttpsRedirection();
-
+// ✅ Add this before MapControllers()
+app.UseRouting();
+// Map your controllers 👇
+app.MapControllers();
 var summaries = new[]
 {
     "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
@@ -42,3 +46,5 @@ record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
 {
     public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
 }
+// ✅ Add this at the end
+public partial class Program { }

SimpleAPI/SimpleAPI.csproj

@@ -4,6 +4,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <PreserveCompilationContext>true</PreserveCompilationContext>
   </PropertyGroup>
 
   <ItemGroup>

SimpleAPI/SimpleAPI.sln

@@ -4,6 +4,8 @@ VisualStudioVersion = 17.5.2.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SimpleAPI", "SimpleAPI.csproj", "{6299BDDD-37C4-D32F-2AC5-6E9916FA39B9}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SimpleAPI.Test", "..\SimpleAPI.Test\SimpleAPI.Test.csproj", "{0BDD7F6D-4893-49BB-B452-9118D720E629}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -14,6 +16,10 @@ Global
 		{6299BDDD-37C4-D32F-2AC5-6E9916FA39B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6299BDDD-37C4-D32F-2AC5-6E9916FA39B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6299BDDD-37C4-D32F-2AC5-6E9916FA39B9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0BDD7F6D-4893-49BB-B452-9118D720E629}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0BDD7F6D-4893-49BB-B452-9118D720E629}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0BDD7F6D-4893-49BB-B452-9118D720E629}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0BDD7F6D-4893-49BB-B452-9118D720E629}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE