[test] packaging: add java test project

Vagrantfile

@@ -337,6 +337,7 @@ export BATS=/project/build/bats
 export BATS_UTILS=/project/build/packaging/bats/utils
 export BATS_TESTS=/project/build/packaging/bats/tests
 export PACKAGING_ARCHIVES=/project/build/packaging/archives
+export PACKAGING_TESTS=/project/build/packaging/tests
 VARS
     cat \<\<SUDOERS_VARS > /etc/sudoers.d/elasticsearch_vars
 Defaults   env_keep += "ZIP"
@@ -347,6 +348,7 @@ Defaults   env_keep += "BATS"
 Defaults   env_keep += "BATS_UTILS"
 Defaults   env_keep += "BATS_TESTS"
 Defaults   env_keep += "PACKAGING_ARCHIVES"
+Defaults   env_keep += "PACKAGING_TESTS"
 SUDOERS_VARS
     chmod 0440 /etc/sudoers.d/elasticsearch_vars
   SHELL

buildSrc/src/main/groovy/org/elasticsearch/gradle/FileContentsTask.groovy

@@ -36,6 +36,9 @@ class FileContentsTask extends DefaultTask {
   @Input
   Object contents
 
+  @Input
+  boolean executable = false
+
   /**
    * The file to be built. Takes any objecct and coerces to a file.
    */
@@ -47,5 +50,6 @@ class FileContentsTask extends DefaultTask {
   void setContents() {
     file = file as File
     file.text = contents.toString()
+    file.setExecutable(executable)
   }
 }

buildSrc/src/main/groovy/org/elasticsearch/gradle/vagrant/VagrantPropertiesExtension.groovy

@@ -40,6 +40,9 @@ class VagrantPropertiesExtension {
     @Input
     Boolean inheritTestUtils
 
+    @Input
+    String testClass
+
     VagrantPropertiesExtension(List<String> availableBoxes) {
         this.boxes = availableBoxes
         this.batsDir = 'src/test/resources/packaging'

buildSrc/src/main/groovy/org/elasticsearch/gradle/vagrant/VagrantTestPlugin.groovy

@@ -43,6 +43,7 @@ class VagrantTestPlugin implements Plugin<Project> {
     static List<String> UPGRADE_FROM_ARCHIVES = ['rpm', 'deb']
 
     private static final PACKAGING_CONFIGURATION = 'packaging'
+    private static final PACKAGING_TEST_CONFIGURATION = 'packagingTest'
     private static final BATS = 'bats'
     private static final String BATS_TEST_COMMAND ="cd \$PACKAGING_ARCHIVES && sudo bats --tap \$BATS_TESTS/*.$BATS"
     private static final String PLATFORM_TEST_COMMAND ="rm -rf ~/elasticsearch && rsync -r /elasticsearch/ ~/elasticsearch && cd ~/elasticsearch && ./gradlew test integTest"
@@ -58,6 +59,7 @@ class VagrantTestPlugin implements Plugin<Project> {
 
         // Creates custom configurations for Bats testing files (and associated scripts and archives)
         createPackagingConfiguration(project)
+        project.configurations.create(PACKAGING_TEST_CONFIGURATION)
 
         // Creates all the main Vagrant tasks
         createVagrantTasks(project)
@@ -134,10 +136,12 @@ class VagrantTestPlugin implements Plugin<Project> {
     }
 
     private static void createCleanTask(Project project) {
-        project.tasks.create('clean', Delete.class) {
-            description 'Clean the project build directory'
-            group 'Build'
-            delete project.buildDir
+        if (project.tasks.findByName('clean') == null) {
+            project.tasks.create('clean', Delete.class) {
+                description 'Clean the project build directory'
+                group 'Build'
+                delete project.buildDir
+            }
         }
     }
 
@@ -164,6 +168,19 @@ class VagrantTestPlugin implements Plugin<Project> {
             from project.configurations[PACKAGING_CONFIGURATION]
         }
 
+        File testsDir = new File(packagingDir, 'tests')
+        Copy copyPackagingTests = project.tasks.create('copyPackagingTests', Copy) {
+            into testsDir
+            from project.configurations[PACKAGING_TEST_CONFIGURATION]
+        }
+
+        Task createTestRunnerScript = project.tasks.create('createTestRunnerScript', FileContentsTask) {
+            dependsOn copyPackagingTests
+            file "${testsDir}/run-tests.sh"
+            contents "java -cp \"*\" org.junit.runner.JUnitCore ${-> project.extensions.esvagrant.testClass}"
+            executable true
+        }
+
         Task createVersionFile = project.tasks.create('createVersionFile', FileContentsTask) {
             dependsOn copyPackagingArchives
             file "${archivesDir}/version"
@@ -214,8 +231,8 @@ class VagrantTestPlugin implements Plugin<Project> {
 
         Task vagrantSetUpTask = project.tasks.create('setupPackagingTest')
         vagrantSetUpTask.dependsOn 'vagrantCheckVersion'
-        vagrantSetUpTask.dependsOn copyPackagingArchives, createVersionFile, createUpgradeFromFile
-        vagrantSetUpTask.dependsOn copyBatsTests, copyBatsUtils
+        vagrantSetUpTask.dependsOn copyPackagingArchives, copyPackagingTests, createTestRunnerScript, createVersionFile,
+                createUpgradeFromFile, copyBatsTests, copyBatsUtils
     }
 
     private static void createPackagingTestTask(Project project) {
@@ -373,20 +390,24 @@ class VagrantTestPlugin implements Plugin<Project> {
                 packagingTest.dependsOn(batsPackagingTest)
             }
 
-            // This task doesn't do anything yet. In the future it will execute a jar containing tests on the vm
-            Task groovyPackagingTest = project.tasks.create("vagrant${boxTask}#groovyPackagingTest")
-            groovyPackagingTest.dependsOn(up)
-            groovyPackagingTest.finalizedBy(halt)
+            Task javaPackagingTest = project.tasks.create("vagrant${boxTask}#javaPackagingTest", VagrantCommandTask) {
+                command 'ssh'
+                boxName box
+                environmentVars vagrantEnvVars
+                dependsOn up, setupPackagingTest
+                finalizedBy halt
+                args '--command', "cd \$PACKAGING_TESTS && ./run-tests.sh"
+            }
 
-            TaskExecutionAdapter groovyPackagingReproListener = createReproListener(project, groovyPackagingTest.path)
-            groovyPackagingTest.doFirst {
+            TaskExecutionAdapter groovyPackagingReproListener = createReproListener(project, javaPackagingTest.path)
+            javaPackagingTest.doFirst {
                 project.gradle.addListener(groovyPackagingReproListener)
             }
-            groovyPackagingTest.doLast {
+            javaPackagingTest.doLast {
                 project.gradle.removeListener(groovyPackagingReproListener)
             }
             if (project.extensions.esvagrant.boxes.contains(box)) {
-                packagingTest.dependsOn(groovyPackagingTest)
+                packagingTest.dependsOn(javaPackagingTest)
             }
 
             Task platform = project.tasks.create("vagrant${boxTask}#platformTest", VagrantCommandTask) {

qa/vagrant/build.gradle

@@ -1,3 +1,5 @@
+import org.elasticsearch.gradle.precommit.PrecommitTasks
+
 /*
  * Licensed to Elasticsearch under one or more contributor
  * license agreements. See the NOTICE file distributed with
@@ -17,8 +19,23 @@
  * under the License.
  */
 
-apply plugin: 'elasticsearch.vagrantsupport'
-apply plugin: 'elasticsearch.vagrant'
+plugins {
+  id 'java'
+  id 'elasticsearch.build'
+  id 'elasticsearch.vagrantsupport'
+  id 'elasticsearch.vagrant'
+}
+
+dependencies {
+  compile "junit:junit:${versions.junit}"
+  compile "org.hamcrest:hamcrest-core:${versions.hamcrest}"
+
+  // needs to be on the classpath for JarHell but not actually needed for tests
+  runtime project(':libs:elasticsearch-core')
+
+  // pulls in the jar built by this project and its dependencies
+  packagingTest project(path: project.path, configuration: 'runtime')
+}
 
 List<String> plugins = []
 for (Project subproj : project.rootProject.subprojects) {
@@ -39,3 +56,20 @@ setupPackagingTest {
     expectedPlugins.setText(plugins.join('\n'), 'UTF-8')
   }
 }
+
+esvagrant {
+  testClass 'org.elasticsearch.packaging.PackagingTests'
+}
+
+forbiddenApisMain {
+  signaturesURLs = [
+    PrecommitTasks.getResource('/forbidden/jdk-signatures.txt')
+  ]
+}
+
+// we don't have additional tests for the tests themselves
+tasks.test.enabled = false
+
+// this project doesn't get published
+tasks.dependencyLicenses.enabled = false
+tasks.dependenciesInfo.enabled = false

qa/vagrant/src/main/java/org/elasticsearch/packaging/PackagingTests.java

@@ -0,0 +1,31 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.elasticsearch.packaging;
+
+import org.junit.Test;
+
+/**
+ * This class doesn't have any tests yet
+ */
+public class PackagingTests {
+
+    @Test
+    public void testDummy() {}
+}