“You Won’t Believe How Easy It Is to Install NUnit in Visual Studio 2017 – Discover the Simple Steps Now!”

Exploring NUnit – the Unit Testing Framework for .NET Developers

Are you a developer who’s been coding in C# and .NET framework? If yes, then you must be familiar with the term NUnit which stands for .NET Unit Testing Framework. NUnit is an open-source testing framework that is gaining immense popularity among .NET developers as it simplifies the process of unit testing in .NET applications. In this article, we will be discussing how to install NUnit in Visual Studio 2017 which is one of the most popular Integrated Development Environments (IDEs) used by .NET developers.

Why NUnit?

Before we dive into the installation process of NUnit, let’s understand why it’s widely used for unit testing in .NET applications. Here are some of the key benefits of using NUnit:

  • NUnit helps catch errors and bugs early in the development process by simplifying the process of writing unit tests.
  • It supports various types of testing such as parameterized tests, data-driven tests, and tests that use mock objects.
  • NUnit allows developers to easily create and execute tests within Visual Studio, making it a convenient choice.

Now that we’ve established the importance of NUnit, let’s move on to the installation process.

Install NUnit via NuGet

The easiest way to install NUnit in Visual Studio 2017 is via NuGet which is a package manager for .NET applications that simplifies the process of adding external libraries and dependencies to a project. Follow the steps below to install NUnit using NuGet:

  1. Open Visual Studio 2017 and create a new .NET project or open an existing one.
  2. Right-click on your project in the Solution Explorer window and select “Manage NuGet Packages”.
  3. In the NuGet Package Manager window, search for “NUnit” in the search bar. You should see a list of packages related to NUnit, including the main NUnit package and additional packages for NUnit extensions and adapters.
  4. Select the main NUnit package (NUnit 3.x) and click “Install” to begin the installation process.
  5. Follow the prompts to accept the license agreement and wait for the package to be downloaded and installed.
  6. Once the installation is complete, you should see the NUnit package listed under the “Dependencies” section of your project in the Solution Explorer window.
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Congratulations! You have successfully installed NUnit in Visual Studio 2017 using NuGet. Now let’s move on to creating and running your first NUnit test.

Create a Basic NUnit Test

  1. In Visual Studio, open the file containing the code you want to test.
  2. Right-click on the file and select “Add” > “New Item”.
  3. In the “Add New Item” dialog box, select “Test” from the “Visual C#” category, and then select “NUnit Test”.
  4. In the “Add New NUnit Test” dialog box, enter a name for your test and click “Add”.
  5. Visual Studio will create a new file with a basic NUnit test template. Modify the template to suit your needs, such as adding code to test a specific method or class.

Here’s an example of a simple NUnit test that tests the functionality of a “Calculator” class:

public class CalculatorTest
    public void AddTest()
        Calculator calculator = new Calculator();
        int result = calculator.Add(2, 3);
        Assert.AreEqual(5, result);

This test creates a new instance of the Calculator class, invokes the Add method with two operands (2 and 3), and asserts that the result is equal to 5.

Run Your NUnit Tests

  1. To run your NUnit tests within Visual Studio, go to “Test” > “Windows” > “Test Explorer”.
  2. In the Test Explorer window, you should see your NUnit test listed.
  3. To run the test, click the “Run” button next to the test name.
  4. Visual Studio will execute the test and provide detailed output in the “Test Results” window.

Congratulations! You have successfully created and run your first NUnit test in Visual Studio 2017!


In this article, we have explored the importance of NUnit for .NET developers and have demonstrated how to install NUnit in Visual Studio 2017 using NuGet. We have also walked you through the process of creating and running a basic NUnit test. By following these steps, you can easily incorporate unit testing into your .NET projects and catch bugs and errors early in the development process. Happy coding!

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