| /* |
| * Copyright (C) 2012, Robin Rosenberg <robin.rosenberg@dewire.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.api; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.File; |
| import java.io.RandomAccessFile; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import org.eclipse.jgit.api.ResetCommand.ResetType; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| public class HugeFileTest extends RepositoryTestCase { |
| |
| private long t = System.currentTimeMillis(); |
| |
| private long lastt = t; |
| |
| private Git git; |
| |
| private void measure(String name) { |
| long c = System.currentTimeMillis(); |
| System.out.println(name + ", dt=" + (c - lastt) / 1000.0 + "s"); |
| lastt = c; |
| } |
| |
| @Before |
| public void before() { |
| git = new Git(db); |
| } |
| |
| @After |
| public void after() { |
| if (git != null) { |
| git.close(); |
| } |
| } |
| |
| @Ignore("Test takes way too long (~10 minutes) to be part of the standard suite") |
| @Test |
| public void testAddHugeFile() throws Exception { |
| measure("Commencing test"); |
| File file = new File(db.getWorkTree(), "a.txt"); |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.setLength(4429185024L); |
| } |
| measure("Created file"); |
| |
| git.add().addFilepattern("a.txt").call(); |
| measure("Added file"); |
| assertEquals( |
| "[a.txt, mode:100644, length:134217728, sha1:b8cfba97c2b962a44f080b3ca4e03b3204b6a350]", |
| indexState(LENGTH | CONTENT_ID)); |
| |
| Status status = git.status().call(); |
| measure("Status after add"); |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertEquals(0, status.getModified().size()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| // Does not change anything, but modified timestamp |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.write(0); |
| } |
| |
| status = git.status().call(); |
| measure("Status after non-modifying update"); |
| |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertEquals(0, status.getModified().size()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| // Change something |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.write('a'); |
| } |
| |
| status = git.status().call(); |
| measure("Status after modifying update"); |
| |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getModified()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| // Truncate mod 4G and re-establish equality |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.setLength(134217728L); |
| rf.write(0); |
| } |
| |
| status = git.status().call(); |
| measure("Status after truncating update"); |
| |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getModified()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| // Change something |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.write('a'); |
| } |
| |
| status = git.status().call(); |
| measure("Status after modifying and truncating update"); |
| |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getModified()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| // Truncate to entry length becomes negative int |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.setLength(3429185024L); |
| rf.write(0); |
| } |
| |
| git.add().addFilepattern("a.txt").call(); |
| measure("Added truncated file"); |
| assertEquals( |
| "[a.txt, mode:100644, length:-865782272, sha1:59b3282f8f59f22d953df956ad3511bf2dc660fd]", |
| indexState(LENGTH | CONTENT_ID)); |
| |
| status = git.status().call(); |
| measure("Status after status on truncated file"); |
| |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertEquals(0, status.getModified().size()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| // Change something |
| try (RandomAccessFile rf = new RandomAccessFile(file, "rw")) { |
| rf.write('a'); |
| } |
| |
| status = git.status().call(); |
| measure("Status after modifying and truncating update"); |
| |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getAdded()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getModified()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| git.commit().setMessage("make a commit").call(); |
| measure("After commit"); |
| status = git.status().call(); |
| measure("After status after commit"); |
| |
| assertEquals(0, status.getAdded().size()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertCollectionEquals(Arrays.asList("a.txt"), status.getModified()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| |
| git.reset().setMode(ResetType.HARD).call(); |
| measure("After reset --hard"); |
| assertEquals( |
| "[a.txt, mode:100644, length:-865782272, sha1:59b3282f8f59f22d953df956ad3511bf2dc660fd]", |
| indexState(LENGTH | CONTENT_ID)); |
| |
| status = git.status().call(); |
| measure("Status after hard reset"); |
| |
| assertEquals(0, status.getAdded().size()); |
| assertEquals(0, status.getChanged().size()); |
| assertEquals(0, status.getConflicting().size()); |
| assertEquals(0, status.getMissing().size()); |
| assertEquals(0, status.getModified().size()); |
| assertEquals(0, status.getRemoved().size()); |
| assertEquals(0, status.getUntracked().size()); |
| } |
| |
| private static void assertCollectionEquals(Collection<?> asList, |
| Collection<?> added) { |
| assertEquals(asList.toString(), added.toString()); |
| } |
| |
| } |