Create your first Test

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Estimated reading time: 1 min

Let us create a simple example solution that demonstrates how to use devmate. For a more detailed example that actually shows the strengths of Equivalence Partitioning please refer to Chapter 3. We start by creating a .Net Core library project:

Let’s call the solution and the new library project “Hello World”

Then we add a unit tests project to the solution:

It is important that you select the “NUnit Test Project” since devmate currently only supports NUnit3. After adding the test-project your solution tree should look like this:

Now let us add a static method string Greet(string whom) to our library project:

namespace HelloWorld
        public static class Example
            public static string Greet(string whom)
                return $"Hello {whom}";

To create a test model for this method just right-click inside the method and select “Test with Equivalence Class Method” from the context menu:

A file dialog will ask you where to store the newly created model. Store it somewhere in your test project:

Now the Equivalence Class Editor opens:

Let us add one valid equivalence class to the input factor “whom”:

  1. Click on the menu next to “whom: string”
  2. Select “Add Equivalence Class”

Then we add a representative and set its value to “World”:

Now we are ready to generate test cases: Just click on “Generate Test Cases”. A single test with input factor “whom” set to “World” is created. Next set the expected value to “Hello World”. Your test model should look like this:

Finally you are set to generate unit tests. Click on “Generate Test Code” and store the test in your test-project:

That’s it. You just created your first unit test using devmate:

The full source code of this example is available on Github.

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