Mark J. Price is a Microsoft Specialist: Programming in C# and Architecting Microsoft Azure Solutions, with over 20 years' experience. Since 1993, he has passed more than 80 Microsoft programming exams and specializes in preparing others to pass them. Between 2001 and 2003, Mark was employed to write official courseware for Microsoft in Redmond, USA. His team wrote the first training courses for C# while it was still an early alpha version. While with Microsoft, he taught "train-the-trainer" classes to get other MCTs up-to-speed on C# and .NET. Mark holds a Computer Science BSc. Hons. Degree.
You 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
You 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:
In TERMINAL, start the NorthwindService Web API web service by entering the command dotnet run.
In Chrome, navigate to https://localhost:5001/api/customers and note the JSON document returned, containing all 91 customers in the Northwind database (unsorted), as shown in the following screenshot:
Figure 18.3: Customers from the Northwind database as JSON
Navigate to https://localhost:5001/api/customers/?country=Germany and note the JSON document returned, containing only the customers in Germany, as shown in the following screenshot:
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Mark J. Price is a Microsoft Specialist: Programming in C# and Architecting Microsoft Azure Solutions, with over 20 years' experience. Since 1993, he has passed more than 80 Microsoft programming exams and specializes in preparing others to pass them. Between 2001 and 2003, Mark was employed to write official courseware for Microsoft in Redmond, USA. His team wrote the first training courses for C# while it was still an early alpha version. While with Microsoft, he taught "train-the-trainer" classes to get other MCTs up-to-speed on C# and .NET. Mark holds a Computer Science BSc. Hons. Degree.
