/*
* Copyright (C) 2012, GitHub Inc.
* 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
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* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
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* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* - 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.
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* names of its contributors may be used to endorse or promote
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package org.eclipse.jgit.api;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.util.List;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.ReflogEntry;
import org.eclipse.jgit.lib.ReflogReader;
import org.eclipse.jgit.revwalk.RevCommit;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests of {@link StashCreateCommand}
*/
public class StashDropCommandTest extends RepositoryTestCase {
private RevCommit head;
private Git git;
private File committedFile;
@Before
public void setUp() throws Exception {
super.setUp();
git = Git.wrap(db);
committedFile = writeTrashFile("file.txt", "content");
git.add().addFilepattern("file.txt").call();
head = git.commit().setMessage("add file").call();
assertNotNull(head);
}
@Test(expected = IllegalArgumentException.class)
public void dropNegativeRef() {
git.stashDrop().setStashRef(-1);
}
@Test
public void dropWithNoStashedCommits() throws Exception {
assertNull(git.stashDrop().call());
}
@Test
public void dropWithInvalidLogIndex() throws Exception {
write(committedFile, "content2");
Ref stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
RevCommit stashed = git.stashCreate().call();
assertNotNull(stashed);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertEquals(stashed,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
try {
assertNull(git.stashDrop().setStashRef(100).call());
fail("Exception not thrown");
} catch (JGitInternalException e) {
assertNotNull(e.getMessage());
assertTrue(e.getMessage().length() > 0);
}
}
@Test
public void dropSingleStashedCommit() throws Exception {
write(committedFile, "content2");
Ref stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
RevCommit stashed = git.stashCreate().call();
assertNotNull(stashed);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertEquals(stashed,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
assertNull(git.stashDrop().call());
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
ReflogReader reader = git.getRepository().getReflogReader(
Constants.R_STASH);
assertNull(reader);
}
@Test
public void dropAll() throws Exception {
write(committedFile, "content2");
Ref stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
RevCommit firstStash = git.stashCreate().call();
assertNotNull(firstStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(firstStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content3");
RevCommit secondStash = git.stashCreate().call();
assertNotNull(secondStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(secondStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
assertNull(git.stashDrop().setAll(true).call());
assertNull(git.getRepository().exactRef(Constants.R_STASH));
ReflogReader reader = git.getRepository().getReflogReader(
Constants.R_STASH);
assertNull(reader);
}
@Test
public void dropFirstStashedCommit() throws Exception {
write(committedFile, "content2");
Ref stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
RevCommit firstStash = git.stashCreate().call();
assertNotNull(firstStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(firstStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content3");
RevCommit secondStash = git.stashCreate().call();
assertNotNull(secondStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(secondStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
assertEquals(firstStash, git.stashDrop().call());
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(firstStash, stashRef.getObjectId());
ReflogReader reader = git.getRepository().getReflogReader(
Constants.R_STASH);
List<ReflogEntry> entries = reader.getReverseEntries();
assertEquals(1, entries.size());
assertEquals(ObjectId.zeroId(), entries.get(0).getOldId());
assertEquals(firstStash, entries.get(0).getNewId());
assertTrue(entries.get(0).getComment().length() > 0);
}
@Test
public void dropMiddleStashCommit() throws Exception {
write(committedFile, "content2");
Ref stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
RevCommit firstStash = git.stashCreate().call();
assertNotNull(firstStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(firstStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content3");
RevCommit secondStash = git.stashCreate().call();
assertNotNull(secondStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(secondStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content4");
RevCommit thirdStash = git.stashCreate().call();
assertNotNull(thirdStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(thirdStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
assertEquals(thirdStash, git.stashDrop().setStashRef(1).call());
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(thirdStash, stashRef.getObjectId());
ReflogReader reader = git.getRepository().getReflogReader(
Constants.R_STASH);
List<ReflogEntry> entries = reader.getReverseEntries();
assertEquals(2, entries.size());
assertEquals(ObjectId.zeroId(), entries.get(1).getOldId());
assertEquals(firstStash, entries.get(1).getNewId());
assertTrue(entries.get(1).getComment().length() > 0);
assertEquals(entries.get(0).getOldId(), entries.get(1).getNewId());
assertEquals(thirdStash, entries.get(0).getNewId());
assertTrue(entries.get(0).getComment().length() > 0);
}
@Test
public void dropBoundaryStashedCommits() throws Exception {
write(committedFile, "content2");
Ref stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNull(stashRef);
RevCommit firstStash = git.stashCreate().call();
assertNotNull(firstStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(firstStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content3");
RevCommit secondStash = git.stashCreate().call();
assertNotNull(secondStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(secondStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content4");
RevCommit thirdStash = git.stashCreate().call();
assertNotNull(thirdStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(thirdStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
write(committedFile, "content5");
RevCommit fourthStash = git.stashCreate().call();
assertNotNull(fourthStash);
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(fourthStash,
git.getRepository().exactRef(Constants.R_STASH).getObjectId());
assertEquals(thirdStash, git.stashDrop().call());
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(thirdStash, stashRef.getObjectId());
assertEquals(thirdStash, git.stashDrop().setStashRef(2).call());
stashRef = git.getRepository().exactRef(Constants.R_STASH);
assertNotNull(stashRef);
assertEquals(thirdStash, stashRef.getObjectId());
ReflogReader reader = git.getRepository().getReflogReader(
Constants.R_STASH);
List<ReflogEntry> entries = reader.getReverseEntries();
assertEquals(2, entries.size());
assertEquals(ObjectId.zeroId(), entries.get(1).getOldId());
assertEquals(secondStash, entries.get(1).getNewId());
assertTrue(entries.get(1).getComment().length() > 0);
assertEquals(entries.get(0).getOldId(), entries.get(1).getNewId());
assertEquals(thirdStash, entries.get(0).getNewId());
assertTrue(entries.get(0).getComment().length() > 0);
}
}