Can we unit test Web API?

Can we unit test Web API?

Set up Unit test project We have an option to create a Unit test project when we create a Web API project. When we create a unit test project with a web API project, Visual Studio IDE automatically adds Web API project reference to the unit test project.

How do you write a unit test for REST API?

We can write an unit test which ensures this by following these steps: Configure our mock object to throw a TodoNotFoundException when its findById() method is called and the id of the requested todo entry is 1L. Execute a GET request to url ‘/api/todo/1’. Verify that the HTTP status code 404 is returned.

What is unit testing in API testing?

API testing is basically black box testing which is simply concerned with the final output of the system under test. Unit testing aims to verify whether the module delivers the required functionality. The development team monitors unit testing activity and makes necessary changes wherever required.

How do you create a unit test?

Unit Testing Best Practices

1. Arrange, Act, Assert. Let’s now consider another sort of unit test anatomy.
2. One Assert Per Test Method.
3. Avoid Test Interdependence.
4. Keep It Short, Sweet, and Visible.
5. Recognize Test Setup Pain as a Smell.
6. Add Them to the Build.

How can I tell if Web API is running?

Fiddler

1. Fiddler. Fiddler by default captures all processes.
2. Hide All Processes in Fiddler. Click on Composer tab.
3. Select HTTP Method. Now, enter a URL of a request in the adjacent textbox.
4. Enter URL and Execute.
5. Response in Fiddler.
6. Fiddler Request & Response.
7. Fiddler Request & Response in Raw Format.
8. Test Web API in Postman.

How do I know if Web API is working?

Add the following method:

1. public static void ServerStatusBy(string url)
2. {
3. Ping pingSender = new Ping();
4. PingReply reply = pingSender. Send(url);
5. Console. WriteLine(“Status of Host: {0}”, url);
6. if (reply. Status == IPStatus. Success)
7. {
8. Console. WriteLine(“IP Address: {0}”, reply. Address. ToString());

When to add web API to unit test?

When we create a unit test project with a web API project, Visual Studio IDE automatically adds Web API project reference to the unit test project. Apart from this, we need to install the following packages to the Unit test project, because our unit test is dependent on these.

How to create a unit test in ASP.NET?

This tutorial shows both methods for creating a unit test project. To follow this tutorial, you can use either approach. Create a new ASP.NET Web Application named StoreApp. In the New ASP.NET Project windows, select the Empty template and add folders and core references for Web API. Select the Add unit tests option.

When to create unit test project in Visual Studio IDE?

This approach will minimize the number of dependencies. We have an option to create a Unit test project when we create a Web API project. When we create a unit test project with a web API project, Visual Studio IDE automatically adds Web API project reference to the unit test project.

Where do I Find my unit test project?

Select Test in the left pane, and select Unit Test Project for the project type. Name the project StoreApp.Tests. You will see the unit test project in your solution. In the unit test project, add a project reference to the original project.