HHH-13859 Test running a scanner on a JDK11 archive having module-info.class

hibernate-integrationtest-java-modules/src/test/java/org/hibernate/orm/integrationtest/java/module/test/ScannerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.orm.integrationtest.java.module.test;
+
+import java.net.URL;
+import java.util.Set;
+
+import org.hibernate.boot.archive.internal.StandardArchiveDescriptorFactory;
+import org.hibernate.boot.archive.scan.internal.StandardScanOptions;
+import org.hibernate.boot.archive.scan.internal.StandardScanParameters;
+import org.hibernate.boot.archive.scan.internal.StandardScanner;
+import org.hibernate.boot.archive.scan.spi.ClassDescriptor;
+import org.hibernate.boot.archive.scan.spi.ScanResult;
+import org.hibernate.orm.integrationtest.java.module.entity.Author;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * We need to test that the scanner works, including when there is a module-info.class
+ * resource in the project. See also HHH-13859.
+ */
+public class ScannerTest {
+
+	@Test
+	public void verifyModuleInfoScanner() {
+		URL urlToThis = Author.class.getProtectionDomain().getCodeSource().getLocation();
+		StandardScanner standardScanner = new StandardScanner( StandardArchiveDescriptorFactory.INSTANCE );
+		ScanResult scan = standardScanner.scan(
+				new TestScanEnvironment( urlToThis ),
+				new StandardScanOptions(),
+				StandardScanParameters.INSTANCE
+		);
+		Set<ClassDescriptor> locatedClasses = scan.getLocatedClasses();
+		Assert.assertEquals( 1, locatedClasses.size() );
+		ClassDescriptor classDescriptor = locatedClasses.iterator().next();
+		Assert.assertNotNull( classDescriptor );
+		Assert.assertEquals( Author.class.getName(), classDescriptor.getName() );
+		Assert.assertEquals( ClassDescriptor.Categorization.MODEL, classDescriptor.getCategorization() );
+	}
+
+}

hibernate-integrationtest-java-modules/src/test/java/org/hibernate/orm/integrationtest/java/module/test/TestScanEnvironment.java

@@ -0,0 +1,42 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.orm.integrationtest.java.module.test;
+
+import java.net.URL;
+import java.util.Collections;
+import java.util.List;
+
+import org.hibernate.boot.archive.scan.spi.ScanEnvironment;
+
+final class TestScanEnvironment implements ScanEnvironment {
+
+	private final URL root;
+
+	TestScanEnvironment(URL root) {
+		this.root = root;
+	}
+
+	@Override
+	public URL getRootUrl() {
+		return root;
+	}
+
+	@Override
+	public List<URL> getNonRootUrls() {
+		return Collections.emptyList();
+	}
+
+	@Override
+	public List<String> getExplicitlyListedClassNames() {
+		return Collections.emptyList();
+	}
+
+	@Override
+	public List<String> getExplicitlyListedMappingFiles() {
+		return Collections.emptyList();
+	}
+}