| /* |
| * Copyright (C) 2008-2009, Google Inc. |
| * Copyright (C) 2011, Matthias Sohn <matthias.sohn@sap.com> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.dircache; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.File; |
| import java.time.Instant; |
| |
| import org.eclipse.jgit.events.IndexChangedEvent; |
| import org.eclipse.jgit.events.IndexChangedListener; |
| import org.eclipse.jgit.events.ListenerList; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.lib.FileMode; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.junit.Test; |
| |
| public class DirCacheBuilderTest extends RepositoryTestCase { |
| @Test |
| public void testBuildEmpty() throws Exception { |
| { |
| final DirCache dc = db.lockDirCache(); |
| final DirCacheBuilder b = dc.builder(); |
| assertNotNull(b); |
| b.finish(); |
| dc.write(); |
| assertTrue(dc.commit()); |
| } |
| { |
| final DirCache dc = db.readDirCache(); |
| assertEquals(0, dc.getEntryCount()); |
| } |
| } |
| |
| @Test |
| public void testBuildRejectsUnsetFileMode() throws Exception { |
| final DirCache dc = DirCache.newInCore(); |
| final DirCacheBuilder b = dc.builder(); |
| assertNotNull(b); |
| |
| final DirCacheEntry e = new DirCacheEntry("a"); |
| assertEquals(0, e.getRawMode()); |
| try { |
| b.add(e); |
| fail("did not reject unset file mode"); |
| } catch (IllegalArgumentException err) { |
| assertEquals("FileMode not set for path a", err.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testBuildOneFile_FinishWriteCommit() throws Exception { |
| final String path = "a-file-path"; |
| final FileMode mode = FileMode.REGULAR_FILE; |
| final Instant lastModified = Instant.ofEpochMilli(1218123387057L); |
| final int length = 1342; |
| final DirCacheEntry entOrig; |
| { |
| final DirCache dc = db.lockDirCache(); |
| final DirCacheBuilder b = dc.builder(); |
| assertNotNull(b); |
| |
| entOrig = new DirCacheEntry(path); |
| entOrig.setFileMode(mode); |
| entOrig.setLastModified(lastModified); |
| entOrig.setLength(length); |
| |
| assertNotSame(path, entOrig.getPathString()); |
| assertEquals(path, entOrig.getPathString()); |
| assertEquals(ObjectId.zeroId(), entOrig.getObjectId()); |
| assertEquals(mode.getBits(), entOrig.getRawMode()); |
| assertEquals(0, entOrig.getStage()); |
| assertEquals(lastModified, entOrig.getLastModifiedInstant()); |
| assertEquals(length, entOrig.getLength()); |
| assertFalse(entOrig.isAssumeValid()); |
| b.add(entOrig); |
| |
| b.finish(); |
| assertEquals(1, dc.getEntryCount()); |
| assertSame(entOrig, dc.getEntry(0)); |
| |
| dc.write(); |
| assertTrue(dc.commit()); |
| } |
| { |
| final DirCache dc = db.readDirCache(); |
| assertEquals(1, dc.getEntryCount()); |
| |
| final DirCacheEntry entRead = dc.getEntry(0); |
| assertNotSame(entOrig, entRead); |
| assertEquals(path, entRead.getPathString()); |
| assertEquals(ObjectId.zeroId(), entOrig.getObjectId()); |
| assertEquals(mode.getBits(), entOrig.getRawMode()); |
| assertEquals(0, entOrig.getStage()); |
| assertEquals(lastModified, entOrig.getLastModifiedInstant()); |
| assertEquals(length, entOrig.getLength()); |
| assertFalse(entOrig.isAssumeValid()); |
| } |
| } |
| |
| @Test |
| public void testBuildOneFile_Commit() throws Exception { |
| final String path = "a-file-path"; |
| final FileMode mode = FileMode.REGULAR_FILE; |
| final Instant lastModified = Instant.ofEpochMilli(1218123387057L); |
| final int length = 1342; |
| final DirCacheEntry entOrig; |
| { |
| final DirCache dc = db.lockDirCache(); |
| final DirCacheBuilder b = dc.builder(); |
| assertNotNull(b); |
| |
| entOrig = new DirCacheEntry(path); |
| entOrig.setFileMode(mode); |
| entOrig.setLastModified(lastModified); |
| entOrig.setLength(length); |
| |
| assertNotSame(path, entOrig.getPathString()); |
| assertEquals(path, entOrig.getPathString()); |
| assertEquals(ObjectId.zeroId(), entOrig.getObjectId()); |
| assertEquals(mode.getBits(), entOrig.getRawMode()); |
| assertEquals(0, entOrig.getStage()); |
| assertEquals(lastModified, entOrig.getLastModifiedInstant()); |
| assertEquals(length, entOrig.getLength()); |
| assertFalse(entOrig.isAssumeValid()); |
| b.add(entOrig); |
| |
| assertTrue(b.commit()); |
| assertEquals(1, dc.getEntryCount()); |
| assertSame(entOrig, dc.getEntry(0)); |
| assertFalse(new File(db.getDirectory(), "index.lock").exists()); |
| } |
| { |
| final DirCache dc = db.readDirCache(); |
| assertEquals(1, dc.getEntryCount()); |
| |
| final DirCacheEntry entRead = dc.getEntry(0); |
| assertNotSame(entOrig, entRead); |
| assertEquals(path, entRead.getPathString()); |
| assertEquals(ObjectId.zeroId(), entOrig.getObjectId()); |
| assertEquals(mode.getBits(), entOrig.getRawMode()); |
| assertEquals(0, entOrig.getStage()); |
| assertEquals(lastModified, entOrig.getLastModifiedInstant()); |
| assertEquals(length, entOrig.getLength()); |
| assertFalse(entOrig.isAssumeValid()); |
| } |
| } |
| |
| @Test |
| public void testBuildOneFile_Commit_IndexChangedEvent() |
| throws Exception { |
| final class ReceivedEventMarkerException extends RuntimeException { |
| private static final long serialVersionUID = 1L; |
| // empty |
| } |
| |
| final String path = "a-file-path"; |
| final FileMode mode = FileMode.REGULAR_FILE; |
| // "old" date in 2008 |
| final Instant lastModified = Instant.ofEpochMilli(1218123387057L); |
| final int length = 1342; |
| DirCacheEntry entOrig; |
| boolean receivedEvent = false; |
| |
| DirCache dc = db.lockDirCache(); |
| IndexChangedListener listener = (IndexChangedEvent event) -> { |
| throw new ReceivedEventMarkerException(); |
| }; |
| |
| ListenerList l = db.getListenerList(); |
| l.addIndexChangedListener(listener); |
| DirCacheBuilder b = dc.builder(); |
| |
| entOrig = new DirCacheEntry(path); |
| entOrig.setFileMode(mode); |
| entOrig.setLastModified(lastModified); |
| entOrig.setLength(length); |
| b.add(entOrig); |
| try { |
| b.commit(); |
| } catch (ReceivedEventMarkerException e) { |
| receivedEvent = true; |
| } |
| if (!receivedEvent) |
| fail("did not receive IndexChangedEvent"); |
| |
| // do the same again, as this doesn't change index compared to first |
| // round we should get no event this time |
| dc = db.lockDirCache(); |
| listener = (IndexChangedEvent event) -> { |
| throw new ReceivedEventMarkerException(); |
| }; |
| |
| l = db.getListenerList(); |
| l.addIndexChangedListener(listener); |
| b = dc.builder(); |
| |
| entOrig = new DirCacheEntry(path); |
| entOrig.setFileMode(mode); |
| entOrig.setLastModified(lastModified); |
| entOrig.setLength(length); |
| b.add(entOrig); |
| try { |
| b.commit(); |
| } catch (ReceivedEventMarkerException e) { |
| fail("unexpected IndexChangedEvent"); |
| } |
| } |
| |
| @Test |
| public void testFindSingleFile() throws Exception { |
| final String path = "a-file-path"; |
| final DirCache dc = db.readDirCache(); |
| final DirCacheBuilder b = dc.builder(); |
| assertNotNull(b); |
| |
| final DirCacheEntry entOrig = new DirCacheEntry(path); |
| entOrig.setFileMode(FileMode.REGULAR_FILE); |
| assertNotSame(path, entOrig.getPathString()); |
| assertEquals(path, entOrig.getPathString()); |
| b.add(entOrig); |
| b.finish(); |
| |
| assertEquals(1, dc.getEntryCount()); |
| assertSame(entOrig, dc.getEntry(0)); |
| assertEquals(0, dc.findEntry(path)); |
| |
| assertEquals(-1, dc.findEntry("@@-before")); |
| assertEquals(0, real(dc.findEntry("@@-before"))); |
| |
| assertEquals(-2, dc.findEntry("a-zoo")); |
| assertEquals(1, real(dc.findEntry("a-zoo"))); |
| |
| assertSame(entOrig, dc.getEntry(path)); |
| } |
| |
| @Test |
| public void testAdd_InGitSortOrder() throws Exception { |
| final DirCache dc = db.readDirCache(); |
| |
| final String[] paths = { "a-", "a.b", "a/b", "a0b" }; |
| final DirCacheEntry[] ents = new DirCacheEntry[paths.length]; |
| for (int i = 0; i < paths.length; i++) { |
| ents[i] = new DirCacheEntry(paths[i]); |
| ents[i].setFileMode(FileMode.REGULAR_FILE); |
| } |
| |
| final DirCacheBuilder b = dc.builder(); |
| for (DirCacheEntry ent : ents) { |
| b.add(ent); |
| } |
| b.finish(); |
| |
| assertEquals(paths.length, dc.getEntryCount()); |
| for (int i = 0; i < paths.length; i++) { |
| assertSame(ents[i], dc.getEntry(i)); |
| assertEquals(paths[i], dc.getEntry(i).getPathString()); |
| assertEquals(i, dc.findEntry(paths[i])); |
| assertSame(ents[i], dc.getEntry(paths[i])); |
| } |
| } |
| |
| @Test |
| public void testAdd_ReverseGitSortOrder() throws Exception { |
| final DirCache dc = db.readDirCache(); |
| |
| final String[] paths = { "a-", "a.b", "a/b", "a0b" }; |
| final DirCacheEntry[] ents = new DirCacheEntry[paths.length]; |
| for (int i = 0; i < paths.length; i++) { |
| ents[i] = new DirCacheEntry(paths[i]); |
| ents[i].setFileMode(FileMode.REGULAR_FILE); |
| } |
| |
| final DirCacheBuilder b = dc.builder(); |
| for (int i = ents.length - 1; i >= 0; i--) |
| b.add(ents[i]); |
| b.finish(); |
| |
| assertEquals(paths.length, dc.getEntryCount()); |
| for (int i = 0; i < paths.length; i++) { |
| assertSame(ents[i], dc.getEntry(i)); |
| assertEquals(paths[i], dc.getEntry(i).getPathString()); |
| assertEquals(i, dc.findEntry(paths[i])); |
| assertSame(ents[i], dc.getEntry(paths[i])); |
| } |
| } |
| |
| @Test |
| public void testBuilderClear() throws Exception { |
| final DirCache dc = db.readDirCache(); |
| |
| final String[] paths = { "a-", "a.b", "a/b", "a0b" }; |
| final DirCacheEntry[] ents = new DirCacheEntry[paths.length]; |
| for (int i = 0; i < paths.length; i++) { |
| ents[i] = new DirCacheEntry(paths[i]); |
| ents[i].setFileMode(FileMode.REGULAR_FILE); |
| } |
| { |
| final DirCacheBuilder b = dc.builder(); |
| for (DirCacheEntry ent : ents) { |
| b.add(ent); |
| } |
| b.finish(); |
| } |
| assertEquals(paths.length, dc.getEntryCount()); |
| { |
| final DirCacheBuilder b = dc.builder(); |
| b.finish(); |
| } |
| assertEquals(0, dc.getEntryCount()); |
| } |
| |
| private static int real(int eIdx) { |
| if (eIdx < 0) |
| eIdx = -(eIdx + 1); |
| return eIdx; |
| } |
| } |