| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tests.internal.localstore; |
| |
| import java.io.*; |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| import org.eclipse.core.internal.localstore.SafeFileInputStream; |
| import org.eclipse.core.internal.localstore.SafeFileOutputStream; |
| import org.eclipse.core.internal.resources.Workspace; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.tests.resources.ResourceTest; |
| |
| public class SafeFileInputOutputStreamTest extends ResourceTest { |
| protected File temp; |
| |
| public SafeFileInputOutputStreamTest() { |
| super(); |
| } |
| |
| public SafeFileInputOutputStreamTest(String name) { |
| super(name); |
| } |
| |
| public SafeFileOutputStream createSafeStream(File target, String errorCode) { |
| return createSafeStream(target.getAbsolutePath(), null, errorCode); |
| } |
| |
| public SafeFileOutputStream createSafeStream(String targetPath, String tempFilePath, String errorCode) { |
| try { |
| return new SafeFileOutputStream(targetPath, tempFilePath); |
| } catch (IOException e) { |
| fail(errorCode, e); |
| } |
| return null; // never happens |
| } |
| |
| @Override |
| public InputStream getContents(java.io.File target, String errorCode) { |
| try { |
| return new SafeFileInputStream(target); |
| } catch (IOException e) { |
| fail(errorCode, e); |
| } |
| return null; // never happens |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| IPath location = getRandomLocation(); |
| temp = location.append("temp").toFile(); |
| temp.mkdirs(); |
| assertTrue("could not create temp directory", temp.isDirectory()); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(SafeFileInputOutputStreamTest.class); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| Workspace.clear(temp.getParentFile()); |
| super.tearDown(); |
| } |
| |
| public void testSafeFileInputStream() { |
| File target = new File(temp, "target"); |
| Workspace.clear(target); // make sure there was nothing here before |
| assertTrue("1.0", !target.exists()); |
| |
| // define temp path |
| Path parentLocation = new Path(target.getParentFile().getAbsolutePath()); |
| IPath tempLocation = parentLocation.append(target.getName() + ".backup"); |
| |
| // we did not have a file on the destination, so we should not have a temp file |
| SafeFileOutputStream safeStream = createSafeStream(target.getAbsolutePath(), tempLocation.toOSString(), "2.0"); |
| File tempFile = tempLocation.toFile(); |
| String contents = getRandomString(); |
| transferStreams(getContents(contents), safeStream, target.getAbsolutePath(), null); |
| |
| // now we should have a temp file |
| safeStream = createSafeStream(target.getAbsolutePath(), tempLocation.toOSString(), "4.0"); |
| tempFile = tempLocation.toFile(); |
| transferStreams(getContents(contents), safeStream, target.getAbsolutePath(), null); |
| |
| assertTrue("5.0", target.exists()); |
| assertTrue("5.1", !tempFile.exists()); |
| InputStream diskContents; |
| try { |
| diskContents = new SafeFileInputStream(tempLocation.toOSString(), target.getAbsolutePath()); |
| assertTrue("5.2", compareContent(diskContents, getContents(contents))); |
| } catch (IOException e) { |
| fail("5.3", e); |
| } |
| Workspace.clear(target); // make sure there was nothing here before |
| } |
| |
| public void testSimple() { |
| File target = new File(temp, "target"); |
| Workspace.clear(target); // make sure there was nothing here before |
| assertTrue("1.0", !target.exists()); |
| |
| // basic use (like a FileOutputStream) |
| SafeFileOutputStream safeStream = createSafeStream(target, "1.0"); |
| String contents = getRandomString(); |
| transferStreams(getContents(contents), safeStream, target.getAbsolutePath(), null); |
| InputStream diskContents = getContents(target, "1.2"); |
| assertTrue("1.3", compareContent(diskContents, getContents(contents))); |
| |
| // update target contents |
| contents = getRandomString(); |
| safeStream = createSafeStream(target, "2.0"); |
| File tempFile = new File(safeStream.getTempFilePath()); |
| assertTrue("2.0", tempFile.exists()); |
| transferStreams(getContents(contents), safeStream, target.getAbsolutePath(), null); |
| diskContents = getContents(target, "3.1"); |
| assertTrue("3.2", compareContent(diskContents, getContents(contents))); |
| assertTrue("3.3", !tempFile.exists()); |
| Workspace.clear(target); // make sure there was nothing here before |
| } |
| |
| public void testSpecifiedTempFile() { |
| File target = new File(temp, "target"); |
| Workspace.clear(target); // make sure there was nothing here before |
| assertTrue("1.0", !target.exists()); |
| |
| // define temp path |
| Path parentLocation = new Path(target.getParentFile().getAbsolutePath()); |
| IPath tempLocation = parentLocation.append(target.getName() + ".backup"); |
| |
| // we did not have a file on the destination, so we should not have a temp file |
| SafeFileOutputStream safeStream = createSafeStream(target.getAbsolutePath(), tempLocation.toOSString(), "2.0"); |
| File tempFile = tempLocation.toFile(); |
| assertTrue("2.1", !tempFile.exists()); |
| |
| // update target contents |
| String contents = getRandomString(); |
| transferStreams(getContents(contents), safeStream, target.getAbsolutePath(), null); |
| InputStream diskContents = getContents(target, "3.1"); |
| assertTrue("3.2", compareContent(diskContents, getContents(contents))); |
| assertTrue("3.3", !tempFile.exists()); |
| |
| // now we should have a temp file |
| safeStream = createSafeStream(target.getAbsolutePath(), tempLocation.toOSString(), "4.0"); |
| tempFile = tempLocation.toFile(); |
| assertTrue("4.1", tempFile.exists()); |
| |
| // update target contents |
| contents = getRandomString(); |
| transferStreams(getContents(contents), safeStream, target.getAbsolutePath(), null); |
| diskContents = getContents(target, "5.1"); |
| assertTrue("5.2", compareContent(diskContents, getContents(contents))); |
| assertTrue("5.3", !tempFile.exists()); |
| Workspace.clear(target); // make sure there was nothing here before |
| } |
| } |