TestNG support in kotlin.test #KT-22620

libraries/kotlin.test/testng/build.gradle

@@ -0,0 +1,39 @@
+description = 'Kotlin Test TestNG'
+
+apply plugin: 'kotlin-platform-jvm'
+
+configureJvm6Project(project)
+configurePublishing(project)
+
+
+dependencies {
+    expectedBy project(':kotlin-test:kotlin-test-annotations-common')
+    compile project(':kotlin-test:kotlin-test-jvm')
+    compile('org.testng:testng:6.13.1')
+}
+
+
+jar {
+    manifestAttributes(manifest, project, 'Test')
+}
+
+artifacts {
+    archives sourcesJar
+    archives javadocJar
+}
+
+dist {
+    from (jar, sourcesJar)
+}
+
+compileKotlin {
+    kotlinOptions.freeCompilerArgs = ["-Xallow-kotlin-package", "-Xmulti-platform", "-module-name", project.name]
+}
+
+compileTestKotlin {
+    kotlinOptions.freeCompilerArgs = ["-Xallow-kotlin-package"]
+}
+
+test {
+    useTestNG()
+}

libraries/kotlin.test/testng/src/main/kotlin/Annotations.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+@file:JvmPackageName("kotlin.test.annotations")
+package kotlin.test
+
+public actual typealias Test = org.testng.annotations.Test
+public actual typealias Ignore = org.testng.annotations.Ignore
+public actual typealias BeforeTest = org.testng.annotations.BeforeClass
+public actual typealias AfterTest = org.testng.annotations.AfterClass

libraries/kotlin.test/testng/src/main/kotlin/TestNGSupport.kt

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin.test.testng
+
+import org.testng.*
+import kotlin.test.*
+
+class TestNGContributor : AsserterContributor {
+    override fun contribute(): Asserter? {
+        for (stackFrame in currentStackTrace()) {
+            val className = stackFrame.className
+
+            if (className.startsWith("org.testng.") || className.startsWith("testng.")) {
+                return TestNGAsserter
+            }
+        }
+
+        return null
+    }
+}
+
+object TestNGAsserter : Asserter {
+    override fun assertEquals(message : String?, expected : Any?, actual : Any?) {
+        Assert.assertEquals(expected, actual, message)
+    }
+
+    override fun assertNotEquals(message : String?, illegal : Any?, actual : Any?) {
+        Assert.assertNotEquals(illegal, actual, message)
+    }
+
+    override fun assertSame(message : String?, expected : Any?, actual : Any?) {
+        Assert.assertSame(expected, actual, message)
+    }
+
+    override fun assertNotSame(message : String?, illegal : Any?, actual : Any?) {
+        Assert.assertNotSame(illegal, actual, message)
+    }
+
+    override fun assertNotNull(message : String?, actual : Any?) {
+        Assert.assertNotNull(actual, message ?: "actual value is null")
+    }
+
+    override fun assertNull(message : String?, actual : Any?) {
+        Assert.assertNull(actual, message ?: "actual value is not null")
+    }
+
+    override fun fail(message : String?): Nothing {
+        Assert.fail(message)
+        // should not get here
+        throw AssertionError(message)
+    }
+}

libraries/kotlin.test/testng/src/main/resources/META-INF/services/kotlin.test.AsserterContributor

@@ -0,0 +1 @@
+kotlin.test.testng.TestNGContributor

libraries/kotlin.test/testng/src/test/kotlin/TestNGContributorTest.kt

@@ -0,0 +1,25 @@
+package kotlinx.testing.tests
+
+import org.testng.annotations.*
+import org.testng.*
+import java.util.concurrent.*
+
+class TestNGContributorTest {
+
+    @Test
+    fun smokeTest() {
+        Assert.assertEquals("TestNGAsserter", kotlin.test.asserter.javaClass.simpleName)
+    }
+
+    @Test
+    fun `should fail to contribute if it was run outside of testng`() {
+        val q = ArrayBlockingQueue<Any>(1)
+
+        Thread {
+            q.put(kotlin.test.asserter)
+        }.start()
+
+        Assert.assertEquals("DefaultAsserter", q.take().javaClass.simpleName)
+    }
+
+}