Add a test for generating and running a sample Quarkus app

integration-tests/pom.xml

@@ -12,5 +12,6 @@
 
   <modules>
     <module>platform-generator</module>
+    <module>sample-app</module>
   </modules>
 </project>

integration-tests/sample-app/pom.xml

@@ -0,0 +1,68 @@
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>io.quarkus</groupId>
+    <artifactId>quarkus-platform-bom-it-parent</artifactId>
+    <version>0.0.114-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>quarkus-platform-sample-app-test</artifactId>
+  <name>Quarkus - Platform BOM Tools - IT - Sample Application Generator</name>
+
+  <dependencies>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-bootstrap-app-model</artifactId>
+      <version>${quarkus.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.jboss.logging</groupId>
+      <artifactId>jboss-logging</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.jboss.logmanager</groupId>
+      <artifactId>jboss-logmanager</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>${surefire-plugin.version}</version>
+        <configuration>
+          <systemPropertyVariables>
+            <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
+            <maven.home>${maven.home}</maven.home>
+            <project.version>${project.version}</project.version>
+            <quarkus.platform.group-id>io.quarkus</quarkus.platform.group-id>
+            <quarkus.platform.version>${quarkus.version}</quarkus.platform.version>
+          </systemPropertyVariables>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

integration-tests/sample-app/src/test/java/io/quarkus/platform/test/SampleProjectGenerationTest.java

@@ -0,0 +1,151 @@
+package io.quarkus.platform.test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.fail;
+
+import io.quarkus.bootstrap.util.IoUtils;
+import io.quarkus.bootstrap.util.PropertyUtils;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.concurrent.TimeUnit;
+import org.jboss.logging.Logger;
+import org.junit.jupiter.api.Test;
+
+/**
+ * This test generates, builds and tests a sample Quarkus application (unit and integration tests).
+ */
+public class SampleProjectGenerationTest {
+
+    private static final Logger log = Logger.getLogger(SampleProjectGenerationTest.class);
+
+    private static final String SAMPLE_APP = "sample-app";
+    private static final String GENERATE_APP_TIMEOUT = "sample-app.generate-timeout";
+    private static final String BUILD_APP_TIMEOUT = "sample-app.build-timeout";
+
+    @Test
+    public void testSampleProjectGeneration() throws Exception {
+        final Path projectDir = generateSampleAppWithMaven();
+        buildApp(projectDir);
+    }
+
+    private static void buildApp(Path projectDir) throws IOException {
+
+        final Path cliLog = projectDir.resolve("build.log");
+        final Path cliErrors = projectDir.resolve("build-errors.log");
+        final long startTime = System.currentTimeMillis();
+        Process process = new ProcessBuilder()
+                .directory(projectDir.toFile())
+                .command("./mvnw", "verify", "-DskipITs=false")
+                .redirectOutput(cliLog.toFile())
+                .redirectError(cliErrors.toFile())
+                .start();
+        log.info("Building the application with '" + process.info().commandLine().orElse("<command not available>") + "'");
+        try {
+            if (!process.waitFor(getBuildAppTimeout(), TimeUnit.SECONDS)) {
+                try {
+                    process.destroy();
+                } catch (Exception e) {
+                    log.error("Failed to destroy the process", e);
+                }
+                fail("The process has exceeded the time out limit of " + getBuildAppTimeout() + " seconds");
+            }
+        } catch (InterruptedException e) {
+            log.error("Interrupted waiting for the process to complete", e);
+        }
+        process = process.onExit().join();
+        log.infof("Done in %.1f seconds", ((double) (System.currentTimeMillis() - startTime)) / 1000);
+
+        if (process.exitValue() != 0) {
+            var message = Files.readString(cliErrors);
+            if (message.isEmpty()) {
+                fail(Files.readString(cliLog));
+            }
+            fail(Files.readString(cliErrors));
+        }
+    }
+
+    private static String getMvnPath() {
+        var mavenHome = System.getProperty("maven.home");
+        if (mavenHome == null) {
+            return "mvn";
+        }
+        return Path.of(mavenHome).resolve("bin").resolve(
+                PropertyUtils.isWindows() ? "mvn.bat" : "mvn").toString();
+    }
+
+    private static Path generateSampleAppWithMaven() throws IOException {
+        final String quarkusPlatformGroupId = getRequiredProperty("quarkus.platform.group-id");
+        final String quarkusPlatformVersion = getRequiredProperty("quarkus.platform.version");
+
+        final Path workDir = Path.of("").normalize().toAbsolutePath().resolve("target").resolve("sample-app");
+        IoUtils.recursiveDelete(workDir);
+        Files.createDirectories(workDir);
+        final Path cliLog = workDir.resolve("cli.log");
+        final Path cliErrors = workDir.resolve("cli-errors.log");
+        final long startTime = System.currentTimeMillis();
+        Process process = new ProcessBuilder()
+                .directory(workDir.toFile())
+                .command(getMvnPath(),
+                        quarkusPlatformGroupId + ":quarkus-maven-plugin:" + quarkusPlatformVersion + ":create",
+                        "-DplatformGroupId=" + quarkusPlatformGroupId,
+                        "-DplatformVersion=" + quarkusPlatformVersion,
+                        "-DprojectGroupId=org.acme",
+                        "-DprojectArtifactId=" + SAMPLE_APP,
+                        "-DprojectVersion=1.0-SNAPSHOT",
+                        "-DquarkusRegistryClient=false")
+                .redirectOutput(cliLog.toFile())
+                .redirectError(cliErrors.toFile())
+                .start();
+        log.info("Generating application with '" + process.info().commandLine().orElse("<command not available>") + "'");
+        try {
+            if (!process.waitFor(getGenerateAppTimeout(), TimeUnit.SECONDS)) {
+                try {
+                    process.destroy();
+                } catch (Exception e) {
+                    log.error("Failed to destroy the process", e);
+                }
+                fail("The process has exceeded the time out limit of " + getGenerateAppTimeout() + " seconds");
+            }
+        } catch (InterruptedException e) {
+            log.error("Interrupted waiting for the process to complete", e);
+        }
+        process = process.onExit().join();
+        log.infof("Done in %.1f seconds", ((double) (System.currentTimeMillis() - startTime)) / 1000);
+
+        if (process.exitValue() != 0) {
+            var message = Files.readString(cliErrors);
+            if (message.isEmpty()) {
+                fail(Files.readString(cliLog));
+            }
+            fail(Files.readString(cliErrors));
+        }
+        var projectDir = workDir.resolve(SAMPLE_APP);
+        assertThat(projectDir).exists();
+        return projectDir;
+    }
+
+    private static String getRequiredProperty(String name) {
+        var value = System.getProperty(name);
+        if (value == null) {
+            fail("Required property " + name + " is not set");
+        }
+        return value;
+    }
+
+    private static long getBuildAppTimeout() {
+        var propValue = System.getProperty(BUILD_APP_TIMEOUT);
+        if (propValue == null) {
+            return 30;
+        }
+        return Long.parseLong(propValue);
+    }
+
+    private static long getGenerateAppTimeout() {
+        var propValue = System.getProperty(GENERATE_APP_TIMEOUT);
+        if (propValue == null) {
+            return 10;
+        }
+        return Long.parseLong(propValue);
+    }
+}

pom.xml

@@ -44,6 +44,7 @@
     <jakarta-inject.version>2.0.1</jakarta-inject.version>
     <maven-gpg-plugin.version>3.1.0</maven-gpg-plugin.version>
     <compiler-plugin.version>3.12.1</compiler-plugin.version>
+    <maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
     <maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>
     <maven-source-plugin.version>3.3.0</maven-source-plugin.version>
     <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
@@ -260,6 +261,10 @@
             </systemPropertyVariables>
           </configuration>
         </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>${maven-jar-plugin.version}</version>
+        </plugin>
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>templating-maven-plugin</artifactId>