Add SHA256 of Maven distribution for the Maven wrapper

Closes gh-1577

Author: mhalbritter

initializr-generator-spring/src/main/resources/maven/3/wrapper/.mvn/wrapper/maven-wrapper.properties

@@ -17,3 +17,4 @@
 wrapperVersion=3.3.2
 distributionType=only-script
 distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
+distributionSha256Sum=4ec3f26fb1a692473aea0235c300bd20f0f9fe741947c82c1234cefd76ac3a3c

initializr-generator-spring/src/test/java/io/spring/initializr/generator/spring/ProjectGeneratorIntegrationTests.java

@@ -16,8 +16,12 @@
 
 package io.spring.initializr.generator.spring;
 
+import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
 
+import io.spring.initializr.generator.buildsystem.BuildSystem;
+import io.spring.initializr.generator.buildsystem.gradle.GradleBuildSystem;
 import io.spring.initializr.generator.buildsystem.maven.MavenBuildSystem;
 import io.spring.initializr.generator.language.java.JavaLanguage;
 import io.spring.initializr.generator.project.MutableProjectDescription;
@@ -39,25 +43,32 @@
  * {@link ProjectGenerationConfiguration} instances.
  *
  * @author Stephane Nicoll
+ * @author Moritz Halbritter
  */
 class ProjectGeneratorIntegrationTests {
 
+	private static final String SPRING_BOOT_VERSION = "3.3.0";
+
+	private static final String JAVA_VERSION = "17";
+
+	private static final String DEPENDENCY_MANAGEMENT_PLUGIN_VERSION = "1.1.6";
+
 	private ProjectGeneratorTester projectTester;
 
 	@BeforeEach
 	void setup(@TempDir Path directory) {
 		this.projectTester = new ProjectGeneratorTester().withDirectory(directory)
 			.withIndentingWriterFactory()
-			.withBean(InitializrMetadata.class, () -> InitializrMetadataTestBuilder.withDefaults().build());
+			.withBean(InitializrMetadata.class,
+					() -> InitializrMetadataTestBuilder.withDefaults()
+						.setGradleEnv(DEPENDENCY_MANAGEMENT_PLUGIN_VERSION)
+						.build());
 	}
 
 	@Test
 	void customBaseDirectoryIsUsedWhenGeneratingProject() {
 		MutableProjectDescription description = initProjectDescription();
 		description.setBuildSystem(new MavenBuildSystem());
-		description.setPlatformVersion(Version.parse("2.1.0.RELEASE"));
-		description.setLanguage(new JavaLanguage());
-		description.setGroupId("com.example");
 		description.setBaseDirectory("test/demo-app");
 		ProjectStructure project = this.projectTester.generate(description);
 		assertThat(project).filePaths()
@@ -69,9 +80,73 @@ void customBaseDirectoryIsUsedWhenGeneratingProject() {
 					"test/demo-app/src/test/java/com/example/demo/DemoApplicationTests.java", "test/demo-app/HELP.md");
 	}
 
+	@Test
+	void generatedMavenProjectBuilds(@TempDir Path mavenHome) throws Exception {
+		MutableProjectDescription description = initProjectDescription();
+		description.setBuildSystem(new MavenBuildSystem());
+		ProjectStructure project = this.projectTester.generate(description);
+		Path projectDirectory = project.getProjectDirectory();
+		runBuild(mavenHome, projectDirectory, description);
+	}
+
+	@Test
+	void generatedGradleProjectBuilds(@TempDir Path gradleHome) throws Exception {
+		MutableProjectDescription description = initProjectDescription();
+		description.setBuildSystem(new GradleBuildSystem());
+		ProjectStructure project = this.projectTester.generate(description);
+		Path projectDirectory = project.getProjectDirectory();
+		runBuild(gradleHome, projectDirectory, description);
+	}
+
+	private void runBuild(Path mavenHome, Path projectDirectory, MutableProjectDescription description)
+			throws InterruptedException, IOException {
+		ProcessBuilder processBuilder = createProcessBuilder(projectDirectory, description.getBuildSystem(), mavenHome);
+		Path output = projectDirectory.resolve("output.log");
+		processBuilder.redirectError(output.toFile());
+		processBuilder.redirectOutput(output.toFile());
+		assertThat(processBuilder.start().waitFor()).describedAs(String.join("\n", Files.readAllLines(output)))
+			.isEqualTo(0);
+	}
+
+	private ProcessBuilder createProcessBuilder(Path directory, BuildSystem buildSystem, Path home) {
+		String javaHome = System.getProperty("java.home");
+		if (buildSystem.id().equals(MavenBuildSystem.ID)) {
+			String command = (isWindows()) ? "mvnw.cmd" : "mvnw";
+			ProcessBuilder processBuilder = new ProcessBuilder(directory.resolve(command).toAbsolutePath().toString(),
+					"-Dmaven.repo.local=" + home.resolve("repository").toAbsolutePath(), "--batch-mode",
+					"--no-transfer-progress", "package");
+			if (javaHome != null) {
+				processBuilder.environment().put("JAVA_HOME", javaHome);
+			}
+			processBuilder.environment().put("MAVEN_USER_HOME", home.toAbsolutePath().toString());
+			processBuilder.directory(directory.toFile());
+			return processBuilder;
+		}
+		if (buildSystem.id().equals(GradleBuildSystem.ID)) {
+			String command = (isWindows()) ? "gradlew.bat" : "gradlew";
+			ProcessBuilder processBuilder = new ProcessBuilder(directory.resolve(command).toAbsolutePath().toString(),
+					"--no-daemon", "build");
+			if (javaHome != null) {
+				processBuilder.environment().put("JAVA_HOME", javaHome);
+			}
+			processBuilder.environment().put("GRADLE_USER_HOME", home.toAbsolutePath().toString());
+			processBuilder.directory(directory.toFile());
+			return processBuilder;
+		}
+		throw new IllegalStateException("Unknown build system '%s'".formatted(buildSystem.id()));
+	}
+
+	private boolean isWindows() {
+		String osName = System.getProperty("os.name");
+		return osName != null && osName.startsWith("Windows");
+	}
+
 	private MutableProjectDescription initProjectDescription() {
 		MutableProjectDescription description = new MutableProjectDescription();
 		description.setApplicationName("DemoApplication");
+		description.setPlatformVersion(Version.parse(SPRING_BOOT_VERSION));
+		description.setLanguage(new JavaLanguage(JAVA_VERSION));
+		description.setGroupId("com.example");
 		return description;
 	}
 

initializr-generator-test/src/main/java/io/spring/initializr/generator/test/project/ProjectGeneratorTester.java

@@ -30,10 +30,10 @@
 
 /**
  * A tester class for {@link ProjectGenerator}. Contrary to {@link ProjectAssetTester},
- * standard {@link ProjectGenerationConfiguration} classes are processed
- * automatically.Extra beans can be added using {@linkplain #withBean(Class, Supplier)
- * bean registration}, a {@linkplain #withConfiguration(Class[]) configuration class} or
- * via the {@linkplain #withContextInitializer(Consumer) customization of the project
+ * standard {@link ProjectGenerationConfiguration} classes are processed automatically.
+ * Extra beans can be added using {@linkplain #withBean(Class, Supplier) bean
+ * registration}, a {@linkplain #withConfiguration(Class[]) configuration class} or via
+ * the {@linkplain #withContextInitializer(Consumer) customization of the project
  * generation context}.
  *
  * @author Stephane Nicoll