How to create and run web testing in visual studio

Prepare your Environment:

--Download and install Visual Studio (enterprise version).

1. Open Visual studio to create a test project.

 Choose File > new > project select Web Performance and Load Testing Project, and then rename your project name and select a specified path.

New project view

2. Right click on WebTest and add a Web service Request.

Add a request

the request is created and with a default URL. Replace the URL with the URL of your app's page.  Here I will send a post request . You can change the request type and set the expected status code in Properties.

3. Add a header and edit Body, etc.

Add a header

Edit body if need

Edit Body

4. Run web test .

Run test

5. Analyze the results

Result

You can see the testing is run successfully, response status =200 OK ..... Then I  change the status to 201. that testing will be failed and show you details about the error.

Failed to run the test

Summary:

I start to learn about Visual studio,  I think that visual studio is not designed for API testing ,so that is not convenient to run API testing.