How to replace MSTest by NUnit (C#)

Question

How to replace MSTest with NUnit (C#)?

Krushi Raj · Accepted Answer · 2019-09-13 08:28:36Z

11

Add nuget package NUnit package into test project
```
Install-Package NUnit
```
Remove the reference to Microsoft.VisualStudio.QualityTools.UnitTestFramework

Change the following namespace usings from

using Microsoft.VisualStudio.TestTools.UnitTesting;

to

using NUnit.Framework;

Search and replace the following:

[TestClass] => [TestFixture]
[ClassInitialize] => [TestFixtureSetUp]
[ClassCleanup] => [TestFixtureTearDown]
[TestInitialize] => [SetUp]
[TestCleanup] => [TearDown]
[TestMethod] => [Test]
Assert.Ignore => Assert.Inconclusive

Unload project, open the .csproj file as Xml and remove line that looks like:

<ProjectTypeGuids>{0b19334d-acce-4bf9-9475-088436fada27};{a9df11a7-84ef-49d2-b13a-9ed7e1f913e6}</ProjectTypeGuids>

Remove (or replace) private or internal modifiers and make sure the Test project has visibility to internal members. You can refer this link for InternalsVisibleTo.

edited Sep 13, 2019 at 8:28

Krushi Raj

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answered May 26, 2015 at 7:26

Tomino

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4 Comments

Lex Li Over a year ago

This is incomplete. If users use certain features (such as testing private and internal members via MSTest, they have to remove those test cases.

forsvarir Over a year ago

There's also a good chance that developers might want/need to install the nunit test adapter so they can continue to run tests from within visual studio.

Tomino Over a year ago

Good point, but I have ReSharper which contais support for NUnit, so it's not included in my list. What test adapter would you recommend? I can add it as optional step to make this list complete...

Jaydeepsinh Over a year ago

also need to add "NUnit3TestAdapter" package.

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