Documenting and Testing Web Services

Explore how to test web services in ASP.NET Core by sending HTTP requests using browsers and tools like REST Client. Understand documenting APIs with Swagger for better usability. This lesson helps you test GET, POST, PUT, and DELETE methods and ensures clear communication through API documentation.

We'll cover the following...

Testing GET requests using a browser
Testing HTTP requests with the REST Client extension

We can easily test a web service by making HTTP GET requests using a browser. To test other HTTP methods, we need a more advanced tool.

Testing GET requests using a browser

We will use Chrome to test the three implementations of a GET request: for all customers, for customers in a specified country, and for a single customer using their unique customer ID:

Step 1: Start the Northwind.WebApi web service project.

Step 2: Start the browser.

Step 3: Navigate to https://localhost:5001/api/customers and note the JSON document returned, containing all 91 customers in the ...

1.Introduction

2.Hello, C#! Welcome, .NET!

3.Speaking C#

4.Controlling Flow, Converting Types, and Handling Exception

5.Writing, Debugging, and Testing Functions

6.Building Your Own Types with Object-Oriented Programming

7.Implementing Interfaces and Inheriting Classes

8.Packaging and Distributing .NET Types

9.Working with Common .NET Types

10.Working with Files, Streams, and Serialization

11.Working with Data Using Entity Framework Core

12.Querying and Manipulating Data Using LINQ

13.Introducing Web Development Using ASP.NET Core

14.Building Websites Using ASP.NET Core Razor Pages

15.Building Websites Using the Model-View-Controller Pattern

16.Building and Consuming Web Services

17.Building User Interfaces Using Blazor

18.Conclusion

Documenting and Testing Web Services

Testing GET requests using a browser