How to run JUnit tests with Gradle

Question

Currently I have the following build gradle file   apply plugin   java   sourceSets       main           java               srcDir  src model                     dependencies       compile files  libs mnist-tools jar    libs gson-2 2 4 jar       runtime fileTree dir   libs   include     jar            This build gradle file is for my repository here  All of my main files are in src model  and their respective tests are in test model   How do I add a JUnit 4 dependency correctly and then run those tests in the folders of tests model

User · Answer

If you want to add a sourceSet for testing in addition to all the existing ones, within a module regardless of the active flavor:

sourceSets {
    test {
        java.srcDirs += [
                'src/customDir/test/kotlin'
        ]
        print(java.srcDirs)   // Clean
    }
}

Pay attention to the operator += and if you want to run integration tests change test to androidTest.

GL

User · Answer

How do I add a junit 4 dependency correctly    Assuming you re resolving against a standard Maven  or equivalent  repo   dependencies               testCompile  junit junit 4 11      Or whatever version        Run those tests in the folders of tests model    You define your test source set the same way   sourceSets                test           java               srcDirs     test model       Note  Peter s comment below                     Then invoke the tests as     gradlew test   EDIT  If you are using JUnit 5 instead  there are more steps to complete  you should follow this tutorial

User · Answer

testCompile is deprecated  Gradle 7 compatible  dependencies          testImplementation  junit junit 4 13     and if you use the default folder structure  src test java      the test section is simply  test       useJUnit      Finally  gradlew clean test  Alos see  https   docs gradle org current userguide java testing html

User · Answer

If you created your project with Spring Initializr  everything should be configured correctly and all you need to do is run      gradlew clean test --info   Use --info if you want to see test output  Use clean if you want to re-run tests that have already passed since the last change    Dependencies required in build gradle for testing in Spring Boot    dependencies       compile  org springframework boot spring-boot-starter       testCompile  org springframework boot spring-boot-starter-test       For some reason the test runner doesn t tell you this  but it produces an HTML report in build reports tests test index html

User · Answer

If you set up your project with the default gradle package structure  i e    src main java src main resources src test java src test resources   then you won t need to modify sourceSets to run your tests  Gradle will figure out that your test classes and resources are in src test  You can then run as Oliver says above  One thing to note  Be careful when setting property files and running your test classes with both gradle and you IDE  I use Eclipse  and when running JUnit from it  Eclipse chooses one classpath   the bin directory  whereas gradle chooses another  the build directory   This can lead to confusion if you edit a resource file  and don t see your change reflected at test runtime

[java] How to run JUnit tests with Gradle?

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