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ClassTraversalTest.java
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ClassTraversalTest.java
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/*
* Copyright 2012-2024 CodeLibs Project and the Others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.codelibs.core.io;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.net.JarURLConnection;
import java.net.URL;
import java.util.zip.ZipInputStream;
import junit.framework.TestCase;
import org.codelibs.core.jar.JarFileUtil;
import org.codelibs.core.lang.ClassUtil;
import org.junit.Before;
import org.junit.Test;
/**
* @author taedium
*/
public class ClassTraversalTest {
private static int count = 0;
/**
* @throws Exception
*/
@Before
public void setUp() throws Exception {
count = 0;
}
/**
* @throws Exception
*/
@Test
public void testForEachJarFile() throws Exception {
final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
final URL classURL = ResourceUtil.getResource(classFilePath);
final JarURLConnection con = (JarURLConnection) classURL.openConnection();
ClassTraversalUtil.forEach(con.getJarFile(), (ClassHandler) (packageName, shortClassName) -> {
if (count < 10) {
System.out.println(ClassUtil.concatName(packageName, shortClassName));
}
assertThat(packageName, is(notNullValue()));
assertThat(shortClassName, is(notNullValue()));
assertThat(packageName,
packageName.startsWith("junit") || packageName.startsWith("org.junit") || packageName.startsWith("org.hamcrest"),
is(true));
count++;
});
assertTrue(count > 0);
}
/**
* @throws Exception
*/
@Test
public void testForEachJarFile_withPrefix() throws Exception {
final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
final URL classURL = ResourceUtil.getResource(classFilePath);
final JarURLConnection con = (JarURLConnection) classURL.openConnection();
ClassTraversalUtil.forEach(con.getJarFile(), "junit/", (ClassHandler) (packageName, shortClassName) -> {
if (count < 10) {
System.out.println(ClassUtil.concatName(packageName, shortClassName));
}
assertThat(packageName, is(notNullValue()));
assertThat(shortClassName, is(notNullValue()));
assertThat(packageName.startsWith("junit") || packageName.startsWith("org.junit"), is(not(true)));
count++;
});
assertTrue(count > 0);
}
/**
* @throws Exception
*/
@Test
public void testForEachZipInputStream() throws Exception {
final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
final URL classURL = ResourceUtil.getResource(classFilePath);
final URL jarURL = new File(JarFileUtil.toJarFilePath(classURL)).toURI().toURL();
ClassTraversalUtil.forEach(new ZipInputStream(jarURL.openStream()), (ClassHandler) (packageName, shortClassName) -> {
if (count < 10) {
System.out.println(ClassUtil.concatName(packageName, shortClassName));
}
assertThat(packageName, is(notNullValue()));
assertThat(shortClassName, is(notNullValue()));
assertThat(packageName,
packageName.startsWith("junit") || packageName.startsWith("org.junit") || packageName.startsWith("org.hamcrest"),
is(true));
count++;
});
assertTrue(count > 0);
}
/**
* @throws Exception
*/
@Test
public void testForEachZipInputStream_withPrefix() throws Exception {
final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
final URL classURL = ResourceUtil.getResource(classFilePath);
final URL jarURL = new File(JarFileUtil.toJarFilePath(classURL)).toURI().toURL();
ClassTraversalUtil.forEach(new ZipInputStream(jarURL.openStream()), "junit/", (ClassHandler) (packageName, shortClassName) -> {
if (count < 10) {
System.out.println(ClassUtil.concatName(packageName, shortClassName));
}
assertThat(packageName, is(notNullValue()));
assertThat(shortClassName, is(notNullValue()));
assertThat(packageName.startsWith("junit") || packageName.startsWith("org.junit"), is(not(true)));
count++;
});
assertTrue(count > 0);
}
}