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- /*
- * 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());
- }
-
- }
|