Add integration tests for Maven plugin's build-image support

See gh-19830

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

@@ -15,19 +15,22 @@ configurations {
 
 dependencies {
 	api(platform(project(":spring-boot-project:spring-boot-parent")))
-	api(project(":spring-boot-project:spring-boot-tools:spring-boot-buildpack-platform"))
 
 	compileOnly("org.apache.maven.plugin-tools:maven-plugin-annotations")
 	compileOnly("org.sonatype.plexus:plexus-build-api")
 
+	implementation(project(":spring-boot-project:spring-boot-tools:spring-boot-buildpack-platform"))
 	implementation(project(":spring-boot-project:spring-boot-tools:spring-boot-loader-tools"))
 	implementation("org.apache.maven.shared:maven-common-artifact-filters")
 	implementation("org.apache.maven:maven-plugin-api")
 
 	intTestImplementation(platform(project(":spring-boot-project:spring-boot-parent")))
+	intTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-buildpack-platform"))
+	intTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
 	intTestImplementation("org.apache.maven.shared:maven-invoker")
 	intTestImplementation("org.assertj:assertj-core")
 	intTestImplementation("org.junit.jupiter:junit-jupiter")
+	intTestImplementation("org.testcontainers:testcontainers")
 
 	optional(platform(project(":spring-boot-project:spring-boot-parent")))
 	optional("org.apache.maven.plugins:maven-shade-plugin")

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildImageTests.java

+/*
+ * Copyright 2012-2020 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
+ *
+ *      https://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.maven;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.junit.jupiter.api.TestTemplate;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.containers.wait.strategy.Wait;
+
+import org.springframework.boot.buildpack.platform.docker.DockerApi;
+import org.springframework.boot.buildpack.platform.docker.type.ImageName;
+import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
+import org.springframework.boot.testsupport.testcontainers.DisabledIfDockerUnavailable;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for the Maven plugin's image support.
+ *
+ * @author Stephane Nicoll
+ */
+@ExtendWith(MavenBuildExtension.class)
+@DisabledIfDockerUnavailable
+public class BuildImageTests extends AbstractArchiveIntegrationTests {
+
+	@TestTemplate
+	void whenBuildImageIsInvokedWithoutRepackageTheArchiveIsRepackagedOnTheFly(MavenBuild mavenBuild) {
+		mavenBuild.project("build-image").goals("package").execute((project) -> {
+			File jar = new File(project, "target/build-image-0.0.1.BUILD-SNAPSHOT.jar");
+			assertThat(jar).isFile();
+			File original = new File(project, "target/build-image-0.0.1.BUILD-SNAPSHOT.jar.original");
+			assertThat(original).doesNotExist();
+			assertThat(buildLog(project)).contains("Building image")
+					.contains("docker.io/library/build-image:0.0.1.BUILD-SNAPSHOT")
+					.contains("Successfully built image");
+			ImageReference imageReference = ImageReference.of(ImageName.of("build-image"), "0.0.1.BUILD-SNAPSHOT");
+			try (GenericContainer<?> container = new GenericContainer<>(imageReference.toString())) {
+				container.waitingFor(Wait.forLogMessage("Launched\\n", 1)).start();
+			}
+			finally {
+				removeImage(imageReference);
+			}
+		});
+	}
+
+	@TestTemplate
+	void whenBuildImageIsInvokedWihCustomImageName(MavenBuild mavenBuild) {
+		mavenBuild.project("build-image-custom-name").goals("package").execute((project) -> {
+			File jar = new File(project, "target/build-image-custom-name-0.0.1.BUILD-SNAPSHOT.jar");
+			assertThat(jar).isFile();
+			File original = new File(project, "target/build-image-custom-name-0.0.1.BUILD-SNAPSHOT.jar.original");
+			assertThat(original).doesNotExist();
+			assertThat(buildLog(project)).contains("Building image")
+					.contains("example.com/test/build-image:0.0.1.BUILD-SNAPSHOT").contains("Successfully built image");
+			ImageReference imageReference = ImageReference.of("example.com/test/build-image:0.0.1.BUILD-SNAPSHOT");
+			try (GenericContainer<?> container = new GenericContainer<>(imageReference.toString())) {
+				container.waitingFor(Wait.forLogMessage("Launched\\n", 1)).start();
+			}
+			finally {
+				removeImage(imageReference);
+			}
+		});
+	}
+
+	private void removeImage(ImageReference imageReference) {
+		try {
+			new DockerApi().image().remove(imageReference, false);
+		}
+		catch (IOException ex) {
+			throw new IllegalStateException("Failed to remove docker image " + imageReference, ex);
+		}
+	}
+
+}

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/build-image-custom-name/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>build-image-custom-name</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>build-image</goal>
+						</goals>
+						<configuration>
+							<image>
+								<name>example.com/test/build-image:${project.version}</name>
+							</image>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/build-image-custom-name/src/main/java/org/test/SampleApplication.java

+/*
+ * Copyright 2012-2020 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
+ *
+ *      https://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.test;
+
+public class SampleApplication {
+
+	public static void main(String[] args) throws Exception {
+		System.out.println("Launched");
+		synchronized(args) {
+			args.wait(); // Prevent exit"
+		}
+	}
+
+}

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/build-image/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>build-image</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>build-image</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/build-image/src/main/java/org/test/SampleApplication.java

+/*
+ * Copyright 2012-2020 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
+ *
+ *      https://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.test;
+
+public class SampleApplication {
+
+	public static void main(String[] args) throws Exception {
+		System.out.println("Launched");
+		synchronized(args) {
+			args.wait(); // Prevent exit"
+		}
+	}
+
+}