Java tutorial
/* * Copyright (C) 2009, Google Inc. * Copyright (C) 2009, Robin Rosenberg <robin.rosenberg@dewire.com> * Copyright (C) 2009, Yann Simon <yann.simon.fr@gmail.com> * and other copyright owners as documented in the project's IP log. * * This program and the accompanying materials are made available * under the terms of the Eclipse Distribution License v1.0 which * accompanies this distribution, is reproduced below, and is * available at http://www.eclipse.org/org/documents/edl-v10.php * * All rights reserved. * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * - Neither the name of the Eclipse Foundation, Inc. nor the * names of its contributors may be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.eclipse.jgit.junit; import java.io.File; import java.io.IOException; import java.lang.reflect.Field; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.time.Duration; import java.util.HashMap; import java.util.Locale; import java.util.Map; import java.util.TimeZone; import java.util.concurrent.TimeUnit; import org.eclipse.jgit.errors.ConfigInvalidException; import org.eclipse.jgit.lib.Config; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.StoredConfig; import org.eclipse.jgit.storage.file.FileBasedConfig; import org.eclipse.jgit.util.FS; import org.eclipse.jgit.util.SystemReader; import org.eclipse.jgit.util.time.MonotonicClock; import org.eclipse.jgit.util.time.ProposedTimestamp; /** * Mock {@link org.eclipse.jgit.util.SystemReader} for tests. */ public class MockSystemReader extends SystemReader { private static final class MockConfig extends FileBasedConfig { private MockConfig(File cfgLocation, FS fs) { super(cfgLocation, fs); } @Override public void load() throws IOException, ConfigInvalidException { // Do nothing } @Override public void save() throws IOException { // Do nothing } @Override public boolean isOutdated() { return false; } @Override public String toString() { return "MockConfig"; } } long now = 1250379778668L; // Sat Aug 15 20:12:58 GMT-03:30 2009 final Map<String, String> values = new HashMap<>(); private FileBasedConfig userGitConfig; private FileBasedConfig jgitConfig; FileBasedConfig systemGitConfig; /** * Set the user-level git config * * @param userGitConfig * set another user-level git config * @return the old user-level git config */ public FileBasedConfig setUserGitConfig(FileBasedConfig userGitConfig) { FileBasedConfig old = this.userGitConfig; this.userGitConfig = userGitConfig; return old; } /** * Set the jgit config stored at $XDG_CONFIG_HOME/jgit/config * * @param jgitConfig * set the jgit configuration */ public void setJGitConfig(FileBasedConfig jgitConfig) { this.jgitConfig = jgitConfig; } /** * Set the system-level git config * * @param systemGitConfig * the new system-level git config * @return the old system-level config */ public FileBasedConfig setSystemGitConfig(FileBasedConfig systemGitConfig) { FileBasedConfig old = this.systemGitConfig; this.systemGitConfig = systemGitConfig; return old; } /** * Constructor for <code>MockSystemReader</code> */ public MockSystemReader() { init(Constants.OS_USER_NAME_KEY); init(Constants.GIT_AUTHOR_NAME_KEY); init(Constants.GIT_AUTHOR_EMAIL_KEY); init(Constants.GIT_COMMITTER_NAME_KEY); init(Constants.GIT_COMMITTER_EMAIL_KEY); setProperty(Constants.OS_USER_DIR, "."); userGitConfig = new MockConfig(null, null); jgitConfig = new MockConfig(null, null); systemGitConfig = new MockConfig(null, null); setCurrentPlatform(); } private void init(String n) { setProperty(n, n); } /** * Clear properties */ public void clearProperties() { values.clear(); } /** * Set a property * * @param key * @param value */ public void setProperty(String key, String value) { values.put(key, value); } /** {@inheritDoc} */ @Override public String getenv(String variable) { return values.get(variable); } /** {@inheritDoc} */ @Override public String getProperty(String key) { return values.get(key); } /** {@inheritDoc} */ @Override public FileBasedConfig openUserConfig(Config parent, FS fs) { assert parent == null || parent == systemGitConfig; return userGitConfig; } /** {@inheritDoc} */ @Override public FileBasedConfig openSystemConfig(Config parent, FS fs) { assert parent == null; return systemGitConfig; } @Override public StoredConfig getUserConfig() throws IOException, ConfigInvalidException { return userGitConfig; } @Override public FileBasedConfig getJGitConfig() { return jgitConfig; } @Override public StoredConfig getSystemConfig() throws IOException, ConfigInvalidException { return systemGitConfig; } /** {@inheritDoc} */ @Override public String getHostname() { return "fake.host.example.com"; } /** {@inheritDoc} */ @Override public long getCurrentTime() { return now; } /** {@inheritDoc} */ @Override public MonotonicClock getClock() { return () -> { long t = getCurrentTime(); return new ProposedTimestamp() { @Override public long read(TimeUnit unit) { return unit.convert(t, TimeUnit.MILLISECONDS); } @Override public void blockUntil(Duration maxWait) { // Do not wait. } }; }; } /** * Adjusts the current time in seconds. * * @param secDelta * number of seconds to add to the current time. * @since 4.2 */ public void tick(int secDelta) { now += secDelta * 1000L; } /** {@inheritDoc} */ @Override public int getTimezone(long when) { return getTimeZone().getOffset(when) / (60 * 1000); } /** {@inheritDoc} */ @Override public TimeZone getTimeZone() { return TimeZone.getTimeZone("GMT-03:30"); } /** {@inheritDoc} */ @Override public Locale getLocale() { return Locale.US; } /** {@inheritDoc} */ @Override public SimpleDateFormat getSimpleDateFormat(String pattern) { return new SimpleDateFormat(pattern, getLocale()); } /** {@inheritDoc} */ @Override public DateFormat getDateTimeInstance(int dateStyle, int timeStyle) { return DateFormat.getDateTimeInstance(dateStyle, timeStyle, getLocale()); } /** * Assign some properties for the currently executing platform */ public void setCurrentPlatform() { resetOsNames(); setProperty("os.name", System.getProperty("os.name")); setProperty("file.separator", System.getProperty("file.separator")); setProperty("path.separator", System.getProperty("path.separator")); setProperty("line.separator", System.getProperty("line.separator")); } /** * Emulate Windows */ public void setWindows() { resetOsNames(); setProperty("os.name", "Windows"); setProperty("file.separator", "\\"); setProperty("path.separator", ";"); setProperty("line.separator", "\r\n"); setPlatformChecker(); } /** * Emulate Unix */ public void setUnix() { resetOsNames(); setProperty("os.name", "*nix"); // Essentially anything but Windows setProperty("file.separator", "/"); setProperty("path.separator", ":"); setProperty("line.separator", "\n"); setPlatformChecker(); } private void resetOsNames() { Field field; try { field = SystemReader.class.getDeclaredField("isWindows"); field.setAccessible(true); field.set(null, null); field = SystemReader.class.getDeclaredField("isMacOS"); field.setAccessible(true); field.set(null, null); } catch (Exception e) { e.printStackTrace(); } } @Override public String toString() { return "MockSystemReader"; } @Override public FileBasedConfig openJGitConfig(Config parent, FS fs) { return jgitConfig; } }