Paste the following code in the two numbers")ĪssertAll(() -> assertEquals(4, Calculator.multiply(2, 2)), In the Project tool window Alt+1, go to src/main/java and create a Java file called Calculator.java. Let's add some code that we'll be testing. However, if you just start writing tests, IntelliJ IDEA will automatically detect if the dependency is missing and prompt you to add it. The procedure above shows the 'manual' way so that you know what happens behind the scenes and where you set up the testing framework. In the dialog that opens, specify the necessary library artifact, for example: :junit-jupiter:5.9.1. Under Project Settings, select Libraries and click | From Maven. In Language, select Java.įrom the main menu, select File | Project Structure ( Ctrl+Alt+Shift+S) or click on the toolbar. Press Ctrl+Shift+O or click Load Gradle Changes in the notification that appears in the top-right corner of the editor.
Now we need to apply the changes in the build script. In adle, press Alt+Insert, select Add dependency. Open adle in the root directory of your project. In Language, select Java.įor more information on working with Gradle projects, refer to Gradle. Press Ctrl+Shift+O or click Load Maven Changes in the notification that appears in the top-right corner of the editor. Locate the necessary dependency in the search results and click Add next to it. In the tool window that opens, type :junit-jupiter in the search field.
In pom.xml, press Alt+Insert, select Add dependency. To quickly navigate to a file, press Ctrl+Shift+N and enter its name. Open pom.xml in the root directory of your project. Add dependenciesįor our project to use JUnit features, we need to add JUnit as a dependency. If you don't have the necessary JDK on your computer, select Download JDK.įor more information on working with Maven projects, refer to Maven. If the JDK is installed on your computer, but not defined in the IDE, select Add JDK and specify the path to the JDK home directory. In Language, select Java.įrom the JDK list, select the JDK that you want to use in your project. Specify the name for the project, for example, junit-tutorial. From the main menu, select File | New | Project.
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