API Testing Project

A C# API testing project demonstrating automated testing of REST APIs using NUnit and FluentAssertions. The project tests the JSONPlaceholder API to retrieve user data.

Prerequisites

• .NET SDK 8.0+
• Visual Studio 2022 (optional)

Getting Started

1. Clone the repository
2. Restore packages: dotnet restore
3. Build the solution: dotnet build
4. Run tests:
   • Command line: dotnet test
   • Or open in Visual Studio and run via Test Explorer

Technologies

• .NET 8
• NUnit
• FluentAssertions
• RestSharp
• HttpClient / System.Net.Http.Json
• System.Text.Json

Project Structure

ApiTestingProject/
├── Models/
│   └── UserModel.cs      # User data model
├── Utilities/
│   └── ApiClient.cs      # HTTP client for API requests
└── Tests/
    └── UserApiTests.cs   # NUnit test cases

Test Scenarios

• GetAllUsers_ShouldReturnSuccessfulResponse — Verifies GET /users returns a non-empty list of users
• GetSingleUser_ShouldReturnCorrectUserDetails — Verifies GET /users/{id} returns the correct user with valid id and name

CI/CD

Tests run automatically on every push and pull request via GitHub Actions. See the badge above for current status.