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/*******************************************************************************
* Copyright (c) 2007, 2008 BEA Systems, Inc.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* wharley@bea.com - initial API and implementation
*
*******************************************************************************/
package org.eclipse.jdt.apt.tests;
import java.io.File;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.apt.core.util.AptConfig;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.tests.util.Util;
/**
*
* @since 3.3
*/
public class ScalingTests extends APTTestBase {
private final boolean VERBOSE = true;
public ScalingTests(String name) {
super(name);
}
public static Test suite()
{
return new TestSuite( ScalingTests.class );
}
public void setUp() throws Exception
{
super.setUp();
}
/**
* A customer reports that projects with ~2000 files abort generation.
* Note, this test will take quite a long time to run.
*/
public void testGeneratingLotsOfFiles() throws Exception
{
final int FILES_TO_GENERATE = 4000; // total number of files to create
final int PAUSE_EVERY = 200; // wait for indexer to catch up after creating this many files
final int PAUSE_TIME = 2000; // milliseconds to wait for indexer
// set up project with unique name
final String projName = ScalingTests.class.getName() + "LotsOfFilesProject"; //$NON-NLS-1$
IPath projectPath = env.addProject( projName, "1.5" ); //$NON-NLS-1$
env.addExternalJars( projectPath, Util.getJavaClassLibs() );
env.removePackageFragmentRoot( projectPath, "" ); //$NON-NLS-1$
env.addPackageFragmentRoot( projectPath, "src" ); //$NON-NLS-1$
env.setOutputFolder( projectPath, "bin" ); //$NON-NLS-1$
TestUtil.createAndAddAnnotationJar( env
.getJavaProject( projectPath ) );
IProject project = env.getProject( projName );
IFolder srcFolder = project.getFolder( "src" );
IPath srcRoot = srcFolder.getFullPath();
String template =
"package p;\n" +
"import org.eclipse.jdt.apt.tests.annotations.helloworld.HelloWorldAnnotation;\n" +
"@HelloWorldAnnotation(\"Generated%05d\")\n" +
"public class Test%05d { generatedfilepackage.Generated%05d _t; }";
for (int i = 1; i <= FILES_TO_GENERATE; ++i) {
String name = String.format("Test%05d", i);
String contents = String.format(template, i, i, FILES_TO_GENERATE - i + 1);
env.addClass( srcRoot, "p", name, contents ); //$NON-NLS-1$ //$NON-NLS-2$
// pause to let indexer catch up
if (i % PAUSE_EVERY == 0) {
if (VERBOSE)
System.out.println("Created " + i + " files; pausing for indexer");
Thread.sleep(PAUSE_TIME);
}
}
if (VERBOSE)
System.out.println("Done creating source files");
// Set some per-project preferences
IJavaProject jproj = env.getJavaProject( projName );
AptConfig.setEnabled(jproj, true);
long start = System.currentTimeMillis();
fullBuild( project.getFullPath() );
if (VERBOSE)
System.out.println("Done with build after " + ((System.currentTimeMillis() - start)/1000L) + " sec");
expectingNoProblems();
IPath projPath = jproj.getProject().getLocation();
for (int i = 1; i <= FILES_TO_GENERATE; ++i) {
// check that file was generated
String genFileName = String.format(".apt_generated/generatedfilepackage/Generated%05d.java", i);
File genFile = new File(projPath.append(genFileName).toOSString());
assertTrue("Expected generated source file " + genFileName + " was not found", genFile != null && genFile.exists());
// check that generated file was compiled
String genClassName = String.format("bin/generatedfilepackage/Generated%05d.class", i);
File genClass = new File(projPath.append(genClassName).toOSString());
assertTrue("Compiled file " + genClassName + " was not found", genClass != null && genClass.exists());
}
if (VERBOSE)
System.out.println("Done checking output");
Util.delete(project);
}
}
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