Integration test the reaction to the Application plugin being applied

spring-boot-tools/spring-boot-gradle-plugin/build.gradle

@@ -37,6 +37,7 @@ dependencies {
 	compile localGroovy()
 	compile gradleApi()
 	testCompile gradleTestKit()
+	testCompile 'org.apache.commons:commons-compress:1.13'
 }
 
 jar {

spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests.java

@@ -0,0 +1,156 @@
+/*
+ * Copyright 2012-2017 the original author or authors.
+ *
+ * Licensed 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.springframework.boot.gradle.plugin;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
+import org.gradle.testkit.runner.TaskOutcome;
+import org.junit.Rule;
+import org.junit.Test;
+
+import org.springframework.boot.gradle.testkit.GradleBuild;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link ApplicationPluginAction}.
+ *
+ * @author Andy Wilkinson
+ */
+public class ApplicationPluginActionIntegrationTests {
+
+	@Rule
+	public GradleBuild gradleBuild = new GradleBuild();
+
+	@Test
+	public void noBootDistributionWithoutApplicationPluginApplied() {
+		assertThat(this.gradleBuild.build("distributionExists", "-PdistributionName=boot")
+				.getOutput()).contains("boot exists = false");
+	}
+
+	@Test
+	public void applyingApplicationPluginCreatesBootDistribution() {
+		assertThat(this.gradleBuild.build("distributionExists", "-PdistributionName=boot",
+				"-PapplyApplicationPlugin").getOutput()).contains("boot exists = true");
+	}
+
+	@Test
+	public void noBootStartScriptsTaskWithoutApplicationPluginApplied() {
+		assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootStartScripts")
+				.getOutput()).contains("bootStartScripts exists = false");
+	}
+
+	@Test
+	public void applyingApplictionPluginCreatesBootStartScriptsTask() {
+		assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootStartScripts",
+				"-PapplyApplicationPlugin").getOutput())
+						.contains("bootStartScripts exists = true");
+	}
+
+	@Test
+	public void zipDistributionForJarCanBeBuilt() throws IOException {
+		assertThat(
+				this.gradleBuild.build("bootDistZip").task(":bootDistZip").getOutcome())
+						.isEqualTo(TaskOutcome.SUCCESS);
+		String name = this.gradleBuild.getProjectDir().getName();
+		File distribution = new File(this.gradleBuild.getProjectDir(),
+				"build/distributions/" + name + "-boot.zip");
+		assertThat(distribution).isFile();
+		assertThat(zipEntryNames(distribution)).containsExactlyInAnyOrder(name + "-boot/",
+				name + "-boot/lib/", name + "-boot/lib/" + name + ".jar",
+				name + "-boot/bin/", name + "-boot/bin/" + name,
+				name + "-boot/bin/" + name + ".bat");
+	}
+
+	@Test
+	public void tarDistributionForJarCanBeBuilt() throws IOException {
+		assertThat(
+				this.gradleBuild.build("bootDistTar").task(":bootDistTar").getOutcome())
+						.isEqualTo(TaskOutcome.SUCCESS);
+		String name = this.gradleBuild.getProjectDir().getName();
+		File distribution = new File(this.gradleBuild.getProjectDir(),
+				"build/distributions/" + name + "-boot.tar");
+		assertThat(distribution).isFile();
+		assertThat(tarEntryNames(distribution)).containsExactlyInAnyOrder(name + "-boot/",
+				name + "-boot/lib/", name + "-boot/lib/" + name + ".jar",
+				name + "-boot/bin/", name + "-boot/bin/" + name,
+				name + "-boot/bin/" + name + ".bat");
+	}
+
+	@Test
+	public void zipDistributionForWarCanBeBuilt() throws IOException {
+		assertThat(
+				this.gradleBuild.build("bootDistZip").task(":bootDistZip").getOutcome())
+						.isEqualTo(TaskOutcome.SUCCESS);
+		String name = this.gradleBuild.getProjectDir().getName();
+		File distribution = new File(this.gradleBuild.getProjectDir(),
+				"build/distributions/" + name + "-boot.zip");
+		assertThat(distribution).isFile();
+		assertThat(zipEntryNames(distribution)).containsExactlyInAnyOrder(name + "-boot/",
+				name + "-boot/lib/", name + "-boot/lib/" + name + ".war",
+				name + "-boot/bin/", name + "-boot/bin/" + name,
+				name + "-boot/bin/" + name + ".bat");
+	}
+
+	@Test
+	public void tarDistributionForWarCanBeBuilt() throws IOException {
+		assertThat(
+				this.gradleBuild.build("bootDistTar").task(":bootDistTar").getOutcome())
+						.isEqualTo(TaskOutcome.SUCCESS);
+		String name = this.gradleBuild.getProjectDir().getName();
+		File distribution = new File(this.gradleBuild.getProjectDir(),
+				"build/distributions/" + name + "-boot.tar");
+		assertThat(distribution).isFile();
+		assertThat(tarEntryNames(distribution)).containsExactlyInAnyOrder(name + "-boot/",
+				name + "-boot/lib/", name + "-boot/lib/" + name + ".war",
+				name + "-boot/bin/", name + "-boot/bin/" + name,
+				name + "-boot/bin/" + name + ".bat");
+	}
+
+	private List<String> zipEntryNames(File distribution) throws IOException {
+		List<String> entryNames = new ArrayList<>();
+		try (ZipFile zipFile = new ZipFile(distribution)) {
+			Enumeration<? extends ZipEntry> entries = zipFile.entries();
+			while (entries.hasMoreElements()) {
+				entryNames.add(entries.nextElement().getName());
+			}
+		}
+		return entryNames;
+	}
+
+	private List<String> tarEntryNames(File distribution) throws IOException {
+		List<String> entryNames = new ArrayList<>();
+		try (TarArchiveInputStream input = new TarArchiveInputStream(
+				new FileInputStream(distribution))) {
+			TarArchiveEntry entry;
+			while ((entry = input.getNextTarEntry()) != null) {
+				entryNames.add(entry.getName());
+			}
+		}
+		return entryNames;
+	}
+
+}

spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests-tarDistributionForJarCanBeBuilt.gradle

@@ -0,0 +1,13 @@
+buildscript {
+	dependencies {
+		classpath files(pluginClasspath.split(','))
+	}
+}
+
+apply plugin: 'org.springframework.boot'
+apply plugin: 'application'
+apply plugin: 'java'
+
+bootJar {
+	mainClass = 'com.example.ExampleApplication'
+}

spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests-tarDistributionForWarCanBeBuilt.gradle

@@ -0,0 +1,13 @@
+buildscript {
+	dependencies {
+		classpath files(pluginClasspath.split(','))
+	}
+}
+
+apply plugin: 'org.springframework.boot'
+apply plugin: 'application'
+apply plugin: 'war'
+
+bootWar {
+	mainClass = 'com.example.ExampleApplication'
+}

spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests-zipDistributionForJarCanBeBuilt.gradle

@@ -0,0 +1,13 @@
+buildscript {
+	dependencies {
+		classpath files(pluginClasspath.split(','))
+	}
+}
+
+apply plugin: 'org.springframework.boot'
+apply plugin: 'application'
+apply plugin: 'java'
+
+bootJar {
+	mainClass = 'com.example.ExampleApplication'
+}

spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests-zipDistributionForWarCanBeBuilt.gradle

@@ -0,0 +1,13 @@
+buildscript {
+	dependencies {
+		classpath files(pluginClasspath.split(','))
+	}
+}
+
+apply plugin: 'org.springframework.boot'
+apply plugin: 'application'
+apply plugin: 'war'
+
+bootWar {
+	mainClass = 'com.example.ExampleApplication'
+}

spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests.gradle

@@ -0,0 +1,33 @@
+buildscript {
+	dependencies {
+		classpath files(pluginClasspath.split(','))
+	}
+}
+
+apply plugin: 'org.springframework.boot'
+
+if (project.hasProperty('applyApplicationPlugin')) {
+	apply plugin: 'application'
+}
+
+task('taskExists') {
+	doFirst {
+		println "$taskName exists = ${tasks.findByName(taskName) != null}"
+	}
+}
+
+task('distributionExists') {
+	doFirst {
+		boolean found = project.hasProperty('distributions') &&
+				distributions.findByName(distributionName) != null
+		println "$distributionName exists = $found"
+	}
+}
+
+task('javaCompileEncoding') {
+	doFirst {
+		tasks.withType(JavaCompile) {
+			println "$name = ${options.encoding}"
+		}
+	}
+}