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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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 com.intellij.openapi.vfs;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.projectRoots.Sdk;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.util.io.IoTestUtil;
import com.intellij.openapi.vfs.newvfs.BulkFileListener;
import com.intellij.openapi.vfs.newvfs.events.VFileContentChangeEvent;
import com.intellij.openapi.vfs.newvfs.events.VFileEvent;
import com.intellij.testFramework.IdeaTestCase;
import org.jetbrains.annotations.NotNull;
import java.io.File;
import java.io.IOException;
import java.util.List;
import static com.intellij.testFramework.PlatformTestUtil.assertPathsEqual;
public class JarFileSystemTest extends IdeaTestCase {
public void testFindFile() throws IOException {
String rtJarPath = getJdkRtPath("src.zip");
VirtualFile jarRoot = findByPath(rtJarPath + JarFileSystem.JAR_SEPARATOR);
assertTrue(jarRoot.isDirectory());
VirtualFile file2 = findByPath(rtJarPath + JarFileSystem.JAR_SEPARATOR + "java");
assertTrue(file2.isDirectory());
VirtualFile file3 = jarRoot.findChild("java");
assertEquals(file2, file3);
VirtualFile file4 = findByPath(rtJarPath + JarFileSystem.JAR_SEPARATOR + "java/lang/Object.java");
assertTrue(!file4.isDirectory());
byte[] bytes = file4.contentsToByteArray();
assertNotNull(bytes);
assertTrue(bytes.length > 10);
}
public void testMetaInf() {
String rtJarPath = getJdkRtPath("jre/lib/rt.jar");
VirtualFile jarRoot = findByPath(rtJarPath + JarFileSystem.JAR_SEPARATOR);
assertTrue(jarRoot.isDirectory());
VirtualFile metaInf = jarRoot.findChild("META-INF");
assertNotNull(metaInf);
VirtualFile[] children = metaInf.getChildren();
assertEquals(1, children.length);
}
public void testJarRefresh() throws IOException {
File jar = IoTestUtil.createTestJar();
assertTrue(jar.setLastModified(jar.lastModified() - 1000));
VirtualFile vFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(jar);
assertNotNull(vFile);
final VirtualFile entry = findByPath(jar.getPath() + JarFileSystem.JAR_SEPARATOR + "entry.txt");
assertContent(entry, "test");
final Ref<Boolean> updated = Ref.create(false);
ApplicationManager.getApplication().getMessageBus().connect(myTestRootDisposable).subscribe(
VirtualFileManager.VFS_CHANGES,
new BulkFileListener.Adapter() {
@Override
public void before(@NotNull List<? extends VFileEvent> events) {
for (VFileEvent event : events) {
if (event instanceof VFileContentChangeEvent && entry.equals(event.getFile())) {
updated.set(true);
break;
}
}
}
}
);
IoTestUtil.writeEntry(jar, "entry.txt", "update");
vFile.refresh(false, false);
assertTrue(updated.get());
assertTrue(entry.isValid());
assertContent(entry, "update");
}
private String getJdkRtPath(String relativePath) {
Sdk jdk = ModuleRootManager.getInstance(myModule).getSdk();
assertNotNull(jdk);
VirtualFile jdkHome = jdk.getHomeDirectory();
assertNotNull(jdkHome);
return jdkHome.getPath() + "/" + relativePath;
}
private static VirtualFile findByPath(String path) {
VirtualFile file = JarFileSystem.getInstance().findFileByPath(path);
assertNotNull(file);
assertPathsEqual(path, file.getPath());
return file;
}
private static void assertContent(VirtualFile file, String expected) throws IOException {
String content = new String(file.contentsToByteArray());
assertEquals(expected, content);
}
}
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