cmarixtechnolabs / unittesting-mstest-examples

The source code is a sample application that describes implementation of Unit Testing using MS Test.

UnitTesting-MSTest-Examples

What is Unit Testing?

It tests behavior of a function/method by writing another piece of code.

Why Unit Tests?

Normally, software projects are intended to run for long-term, at least for a minimum of five years. During this period, maintaining the application is very crucial. Any change request received might impact the other functionality of the application. So, before deploying the change in the production, a lot of regression testing has to be done. This consumes a lot of tester’s time.

Read more on Importance Of Unit Testing In Software Development

Benefits of Unit Tests

1. Reduce the Number of Bugs
2. Easily Change and Refactor Code
3. Automated Tests
4. Improve Code design

Unit Tests frameworks in C#

1. MS Test
2. NUnit

AAA - Unit Tests Pattern

1. Arrange all the necessary preconditions and inputs.

   // Arrange 
   Employee employee = new Employee();	
   string firstName = "Peter";
   string lastName = "Bravo";
   string expected = "Peter Bravo";
   string actual;
   

2. Act on the object or method under test.

   // Act  
   actual = employee.GetName(firstName, lastName);
   

3. Assert that the expected results have occurred.

   // Assert  
   Assert.AreEqual(expected, actual);
   

Result

Let us know!

We’d be really happy if you sent us links to your projects where you use our component. Just send an email to [email protected] and do let us know if you have any questions or suggestion regarding unit testing in c#.

P.S. We’re going to publish more awesomeness examples on third party libraries, coding standards, plugins etc, in all the technology. Stay tuned!

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License

MIT License

Copyright © 2019 CMARIX TechnoLabs

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.