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/*
* Copyright (C) 2012, 2014 IBM Corporation and others. 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.pgm;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.util.Iterator;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.CLIRepositoryTestCase;
import org.eclipse.jgit.merge.MergeStrategy;
import org.eclipse.jgit.pgm.internal.CLIText;
import org.eclipse.jgit.revwalk.RevCommit;
import org.junit.Before;
import org.junit.Test;
public class MergeTest extends CLIRepositoryTestCase {
private Git git;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
git = new Git(db);
git.commit().setMessage("initial commit").call();
}
@Test
public void testMergeSelf() throws Exception {
assertEquals("Already up-to-date.", execute("git merge master")[0]);
}
@Test
public void testSquashSelf() throws Exception {
assertEquals(" (nothing to squash)Already up-to-date.",
execute("git merge master --squash")[0]);
}
@Test
public void testFastForward() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("file", "master");
git.add().addFilepattern("file").call();
git.commit().setMessage("commit").call();
git.checkout().setName("side").call();
assertArrayEquals(new String[] { "Updating 6fd41be..26a81a1",
"Fast-forward", "" }, execute("git merge master"));
}
@Test
public void testMerge() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("master", "content");
git.add().addFilepattern("master").call();
git.commit().setMessage("master commit").call();
git.checkout().setName("side").call();
writeTrashFile("side", "content");
git.add().addFilepattern("side").call();
git.commit().setMessage("side commit").call();
assertEquals("Merge made by the '" + MergeStrategy.RECURSIVE.getName()
+ "' strategy.", execute("git merge master")[0]);
}
@Test
public void testMergeNoCommit() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("master", "content");
git.add().addFilepattern("master").call();
git.commit().setMessage("master commit").call();
git.checkout().setName("side").call();
writeTrashFile("side", "content");
git.add().addFilepattern("side").call();
git.commit().setMessage("side commit").call();
assertEquals(
"Automatic merge went well; stopped before committing as requested",
execute("git merge --no-commit master")[0]);
}
@Test
public void testMergeNoCommitSquash() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("master", "content");
git.add().addFilepattern("master").call();
git.commit().setMessage("master commit").call();
git.checkout().setName("side").call();
writeTrashFile("side", "content");
git.add().addFilepattern("side").call();
git.commit().setMessage("side commit").call();
assertArrayEquals(
new String[] {
"Squash commit -- not updating HEAD",
"Automatic merge went well; stopped before committing as requested",
"" }, execute("git merge --no-commit --squash master"));
}
@Test
public void testSquash() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("file1", "content1");
git.add().addFilepattern("file1").call();
git.commit().setMessage("file1 commit").call();
writeTrashFile("file2", "content2");
git.add().addFilepattern("file2").call();
git.commit().setMessage("file2 commit").call();
git.checkout().setName("side").call();
writeTrashFile("side", "content");
git.add().addFilepattern("side").call();
git.commit().setMessage("side commit").call();
assertArrayEquals(
new String[] { "Squash commit -- not updating HEAD",
"Automatic merge went well; stopped before committing as requested",
"" },
execute("git merge master --squash"));
}
@Test
public void testNoFastForward() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("file", "master");
git.add().addFilepattern("file").call();
git.commit().setMessage("commit").call();
git.checkout().setName("side").call();
assertEquals("Merge made by the 'recursive' strategy.",
execute("git merge master --no-ff")[0]);
assertArrayEquals(new String[] {
"commit 6db23724012376e8407fc24b5da4277a9601be81", //
"Author: GIT_COMMITTER_NAME <GIT_COMMITTER_EMAIL>", //
"Date: Sat Aug 15 20:12:58 2009 -0330", //
"", //
" Merge branch 'master' into side", //
"", //
"commit 6fd41be26b7ee41584dd997f665deb92b6c4c004", //
"Author: GIT_COMMITTER_NAME <GIT_COMMITTER_EMAIL>", //
"Date: Sat Aug 15 20:12:58 2009 -0330", //
"", //
" initial commit", //
"", //
"commit 26a81a1c6a105551ba703a8b6afc23994cacbae1", //
"Author: GIT_COMMITTER_NAME <GIT_COMMITTER_EMAIL>", //
"Date: Sat Aug 15 20:12:58 2009 -0330", //
"", //
" commit", //
"", //
""
}, execute("git log"));
}
@Test
public void testNoFastForwardAndSquash() throws Exception {
assertEquals(
CLIText.fatalError(CLIText.get().cannotCombineSquashWithNoff),
executeUnchecked("git merge master --no-ff --squash")[0]);
}
@Test
public void testFastForwardOnly() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("file", "master");
git.add().addFilepattern("file").call();
git.commit().setMessage("commit#1").call();
git.checkout().setName("side").call();
writeTrashFile("file", "side");
git.add().addFilepattern("file").call();
git.commit().setMessage("commit#2").call();
assertEquals(CLIText.fatalError(CLIText.get().ffNotPossibleAborting),
executeUnchecked("git merge master --ff-only")[0]);
}
@Test
public void testMergeWithUserMessage() throws Exception {
git.branchCreate().setName("side").call();
writeTrashFile("master", "content");
git.add().addFilepattern("master").call();
git.commit().setMessage("master commit").call();
git.checkout().setName("side").call();
writeTrashFile("side", "content");
git.add().addFilepattern("side").call();
git.commit().setMessage("side commit").call();
assertEquals("Merge made by the '" + MergeStrategy.RECURSIVE.getName()
+ "' strategy.",
execute("git merge master -m \"user message\"")[0]);
Iterator<RevCommit> it = git.log().call().iterator();
RevCommit newHead = it.next();
assertEquals("user message", newHead.getFullMessage());
}
}
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