Integration test the reaction to the War plugin being applied

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

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+/*
+ * 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 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 JavaPluginAction}.
+ *
+ * @author Andy Wilkinson
+ */
+public class WarPluginActionIntegrationTests {
+
+	@Rule
+	public GradleBuild gradleBuild = new GradleBuild();
+
+	@Test
+	public void noBootWarTaskWithoutWarPluginApplied() {
+		assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootWar").getOutput())
+				.contains("bootWar exists = false");
+	}
+
+	@Test
+	public void applyingWarPluginCreatesBootWarTask() {
+		assertThat(this.gradleBuild
+				.build("taskExists", "-PtaskName=bootWar", "-PapplyWarPlugin")
+				.getOutput()).contains("bootWar exists = true");
+	}
+
+	@Test
+	public void noBootWebSoftwareComponentWithoutJavaPluginApplied() {
+		assertThat(this.gradleBuild.build("componentExists", "-PcomponentName=bootWeb")
+				.getOutput()).contains("bootWeb exists = false");
+	}
+
+	@Test
+	public void applyingJavaPluginCreatesBootWebSoftwareComponent() {
+		assertThat(this.gradleBuild
+				.build("componentExists", "-PcomponentName=bootWeb", "-PapplyWarPlugin")
+				.getOutput()).contains("bootWeb exists = true");
+	}
+
+}

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

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+buildscript {
+	dependencies {
+		classpath files(pluginClasspath.split(','))
+	}
+}
+
+apply plugin: 'org.springframework.boot'
+
+if (project.hasProperty('applyWarPlugin')) {
+	apply plugin: 'war'
+}
+
+task('taskExists') {
+	doFirst {
+		println "$taskName exists = ${tasks.findByName(taskName) != null}"
+	}
+}
+
+task('componentExists') {
+	doFirst {
+		println "$componentName exists = ${components.findByName(componentName) != null}"
+	}
+}