HHH-18612 Avoid writing import.sql file to classpath

Author: mbellade

hibernate-core/src/test/java/org/hibernate/orm/test/tool/schema/DefaultImportFileExecutionTest.java

@@ -3,8 +3,12 @@
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
 import java.net.URL;
+import java.net.URLClassLoader;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.HashMap;
@@ -13,9 +17,10 @@
 
 import org.hibernate.boot.Metadata;
 import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.BootstrapServiceRegistryBuilder;
 import org.hibernate.boot.registry.StandardServiceRegistry;
-import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
 import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
+import org.hibernate.bytecode.enhance.spi.Enhancer;
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.tool.schema.SourceType;
 import org.hibernate.tool.schema.TargetType;
@@ -30,6 +35,7 @@
 import org.hibernate.tool.schema.spi.SourceDescriptor;
 import org.hibernate.tool.schema.spi.TargetDescriptor;
 
+import org.hibernate.testing.orm.junit.Jira;
 import org.hibernate.testing.util.ServiceRegistryUtil;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
@@ -42,8 +48,8 @@
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
 import static org.hibernate.tool.schema.internal.SchemaCreatorImpl.DEFAULT_IMPORT_FILE;
 
+@Jira( "https://hibernate.atlassian.net/browse/HHH-15717" )
 public class DefaultImportFileExecutionTest {
-
 	private File defaultImportFile;
 	private StandardServiceRegistry serviceRegistry;
 	private static final String COMMAND = "INSERT INTO TEST_ENTITY (id, name) values (1,'name')";
@@ -52,7 +58,9 @@ public class DefaultImportFileExecutionTest {
 	@BeforeEach
 	public void setUp() throws Exception {
 		defaultImportFile = createDefaultImportFile( "import.sql" );
-		serviceRegistry = ServiceRegistryUtil.serviceRegistry();
+		serviceRegistry = ServiceRegistryUtil.serviceRegistryBuilder(
+				new BootstrapServiceRegistryBuilder().applyClassLoader( toClassLoader( defaultImportFile.getParentFile() ) ).build()
+		).build();
 	}
 
 	@AfterEach
@@ -99,11 +107,9 @@ private void createSchema(TargetDescriptorImpl targetDescriptor) {
 		);
 	}
 
-	private static File createDefaultImportFile(String fileName) throws Exception {
-		URL myUrl = Thread.currentThread().getContextClassLoader().getResource( "hibernate.properties" );
-		String path = myUrl.getPath().replace( "hibernate.properties", fileName );
-		final File file = new File( path );
-		file.createNewFile();
+	private static File createDefaultImportFile(@SuppressWarnings( "SameParameterValue" ) String fileName) throws Exception {
+		final Path tmp = Files.createTempDirectory( "default_import" );
+		final File file = new File( tmp.toString() + File.separator + fileName );
 
 		try (final FileWriter myWriter = new FileWriter( file )) {
 			myWriter.write( COMMAND );
@@ -112,6 +118,17 @@ private static File createDefaultImportFile(String fileName) throws Exception {
 		return file;
 	}
 
+	private static ClassLoader toClassLoader(File classesDir) {
+		final URI classesDirUri = classesDir.toURI();
+		try {
+			final URL url = classesDirUri.toURL();
+			return new URLClassLoader( new URL[] { url }, Enhancer.class.getClassLoader() );
+		}
+		catch (MalformedURLException e) {
+			throw new RuntimeException( "Unable to resolve classpath entry to URL : " + classesDir.getAbsolutePath(), e );
+		}
+	}
+
 	private Metadata buildMappings(StandardServiceRegistry registry) {
 		return new MetadataSources( registry )
 				.addAnnotatedClass( TestEntity.class )