tests

scalalib/test/resources/junit5/test/src/qux/FooTests.java

@@ -0,0 +1,6 @@
+package qux;
+
+// this class should not be detected as a test
+public class FooTests {
+
+}

scalalib/test/resources/junit5/test/src/qux/QuxTests.java

@@ -0,0 +1,17 @@
+package qux;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+
+public class QuxTests {
+
+  @Test
+  public void hello() {
+    assertTrue(true);
+  }
+
+}
+
+// this class should not be detected as a test
+class Dummy{}

scalalib/test/src/mill/javalib/junit5/JUnit5Tests.scala

@@ -0,0 +1,30 @@
+package mill.javalib.junit5
+
+import mill.scalalib.JavaModule
+import mill.scalalib.TestModule
+import mill.testkit.{TestBaseModule, UnitTester}
+import utest._
+
+object JUnit5Tests extends TestSuite {
+
+  object module extends TestBaseModule with JavaModule {
+    object test extends JavaTests with TestModule.Junit5
+  }
+
+  val testModuleSourcesPath = os.Path(sys.env("MILL_TEST_RESOURCE_DIR")) / "junit5"
+
+  def tests = Tests {
+    test("discovery") {
+      val eval = UnitTester(module, testModuleSourcesPath)
+      val res = eval(module.test.discoveredTestClasses)
+      assert(res.isRight)
+      assert(res.toOption.get.value == Seq("qux.QuxTests"))
+    }
+    test("execution") {
+      val eval = UnitTester(module, testModuleSourcesPath)
+      val res = eval(module.test.test(""))
+      assert(res.isRight)
+      assert(res.toOption.get.value._2.forall(_.fullyQualifiedName == "qux.QuxTests"))
+    }
+  }
+}