Update gradle-plugin sample to use Kotlin DSL

Author: bigdaz

.github/workflow-samples/gradle-plugin/gradle/libs.versions.toml

@@ -0,0 +1,2 @@
+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format

.github/workflow-samples/gradle-plugin/plugin/build.gradle

@@ -0,0 +1,40 @@
+plugins {
+    `java-gradle-plugin`
+}
+
+repositories {
+    mavenCentral()
+}
+
+testing {
+    suites {
+        val test by getting(JvmTestSuite::class) {
+            useJUnitJupiter()
+        }
+
+        val functionalTest by registering(JvmTestSuite::class) {
+            dependencies {
+                implementation(project())
+            }
+
+            targets {
+                all {
+                    testTask.configure { shouldRunAfter(test) } 
+                }
+            }
+        }
+    }
+}
+
+gradlePlugin {
+    val greeting by plugins.creating {
+        id = "org.example.greeting"
+        implementationClass = "org.example.GradlePluginPlugin"
+    }
+}
+
+gradlePlugin.testSourceSets.add(sourceSets["functionalTest"])
+
+tasks.named<Task>("check") {
+    dependsOn(testing.suites.named("functionalTest"))
+}

.github/workflow-samples/gradle-plugin/plugin/build.gradle.kts

@@ -1,7 +1,7 @@
 /*
- * This Java source file was generated by the Gradle 'init' task.
+ * This source file was generated by the Gradle 'init' task
  */
-package org.example.gradle.plugin;
+package org.example;
 
 import java.io.File;
 import java.io.IOException;
@@ -15,7 +15,7 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 /**
- * A simple functional test for the 'org.example.gradle.plugin.greeting' plugin.
+ * A simple functional test for the 'org.example.greeting' plugin.
  */
 class GradlePluginPluginFunctionalTest {
     @TempDir
@@ -29,24 +29,23 @@ private File getSettingsFile() {
         return new File(projectDir, "settings.gradle");
     }
 
-    @Test void canRunTaskWithGradle691() throws IOException {
+    @Test void canRunTask() throws IOException {
         writeString(getSettingsFile(), "");
         writeString(getBuildFile(),
             "plugins {" +
-            "  id('org.example.gradle.plugin.greeting')" +
+            "  id('org.example.greeting')" +
             "}");
 
         // Run the build
         GradleRunner runner = GradleRunner.create();
         runner.forwardOutput();
-        runner.withGradleVersion("6.9.1");
         runner.withPluginClasspath();
         runner.withArguments("greeting");
         runner.withProjectDir(projectDir);
         BuildResult result = runner.build();
 
         // Verify the result
-        assertTrue(result.getOutput().contains("Hello from plugin 'org.example.gradle.plugin.greeting'"));
+        assertTrue(result.getOutput().contains("Hello from plugin 'org.example.greeting'"));
     }
 
     private void writeString(File file, String string) throws IOException {

.github/workflow-samples/gradle-plugin/plugin/src/functionalTest/java/org/example/gradle/plugin/GradlePluginPluginFunctionalTest.java renamed to .github/workflow-samples/gradle-plugin/plugin/src/functionalTest/java/org/example/GradlePluginPluginFunctionalTest.java

@@ -1,7 +1,7 @@
 /*
- * This Java source file was generated by the Gradle 'init' task.
+ * This source file was generated by the Gradle 'init' task
  */
-package org.example.gradle.plugin;
+package org.example;
 
 import org.gradle.api.Project;
 import org.gradle.api.Plugin;
@@ -13,7 +13,7 @@ public class GradlePluginPlugin implements Plugin<Project> {
     public void apply(Project project) {
         // Register a task
         project.getTasks().register("greeting", task -> {
-            task.doLast(s -> System.out.println("Hello from plugin 'org.example.gradle.plugin.greeting'"));
+            task.doLast(s -> System.out.println("Hello from plugin 'org.example.greeting'"));
         });
     }
 }

.github/workflow-samples/gradle-plugin/plugin/src/main/java/org/example/gradle/plugin/GradlePluginPlugin.java renamed to .github/workflow-samples/gradle-plugin/plugin/src/main/java/org/example/GradlePluginPlugin.java

@@ -1,21 +1,21 @@
 /*
- * This Java source file was generated by the Gradle 'init' task.
+ * This source file was generated by the Gradle 'init' task
  */
-package org.example.gradle.plugin;
+package org.example;
 
 import org.gradle.testfixtures.ProjectBuilder;
 import org.gradle.api.Project;
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.*;
 
 /**
- * A simple unit test for the 'org.example.gradle.plugin.greeting' plugin.
+ * A simple unit test for the 'org.example.greeting' plugin.
  */
 class GradlePluginPluginTest {
     @Test void pluginRegistersATask() {
         // Create a test project and apply the plugin
         Project project = ProjectBuilder.builder().build();
-        project.getPlugins().apply("org.example.gradle.plugin.greeting");
+        project.getPlugins().apply("org.example.greeting");
 
         // Verify the result
         assertNotNull(project.getTasks().findByName("greeting"));

.github/workflow-samples/gradle-plugin/plugin/src/test/java/org/example/gradle/plugin/GradlePluginPluginTest.java renamed to .github/workflow-samples/gradle-plugin/plugin/src/test/java/org/example/GradlePluginPluginTest.java

@@ -0,0 +1,2 @@
+rootProject.name = "gradle-plugin-2"
+include("plugin")