Test the reflog message for commit, cherry-pick, revert and merge

Change-Id: I319f09577b3e04f6c31399fe8e57e9a9ad2c8a6c
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CherryPickCommandTest.java

@@ -59,6 +59,7 @@ import org.eclipse.jgit.lib.RepositoryState;
 import org.eclipse.jgit.lib.RepositoryTestCase;
 import org.eclipse.jgit.merge.ResolveMerger.MergeFailureReason;
 import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.storage.file.ReflogReader;
 import org.junit.Test;
 
 /**
@@ -223,5 +224,14 @@ public class CherryPickCommandTest extends RepositoryTestCase {
 		// index shall be unchanged
 		assertEquals(indexState, indexState(CONTENT));
 		assertEquals(RepositoryState.SAFE, db.getRepositoryState());
+
+		if (reason == null) {
+			ReflogReader reader = db.getReflogReader(Constants.HEAD);
+			assertTrue(reader.getLastEntry().getComment()
+					.startsWith("cherry-pick: "));
+			reader = db.getReflogReader(db.getBranch());
+			assertTrue(reader.getLastEntry().getComment()
+					.startsWith("cherry-pick: "));
+		}
 	}
 }

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitAndLogCommandTests.java

@@ -109,6 +109,8 @@ public class CommitAndLogCommandTests extends RepositoryTestCase {
 		assertEquals(l, -1);
 		ReflogReader reader = db.getReflogReader(Constants.HEAD);
 		assertTrue(reader.getLastEntry().getComment().startsWith("commit:"));
+		reader = db.getReflogReader(db.getBranch());
+		assertTrue(reader.getLastEntry().getComment().startsWith("commit:"));
 	}
 
 	@Test
@@ -318,6 +320,9 @@ public class CommitAndLogCommandTests extends RepositoryTestCase {
 		ReflogReader reader = db.getReflogReader(Constants.HEAD);
 		assertTrue(reader.getLastEntry().getComment()
 				.startsWith("commit (amend):"));
+		reader = db.getReflogReader(db.getBranch());
+		assertTrue(reader.getLastEntry().getComment()
+				.startsWith("commit (amend):"));
 	}
 
 	@Test

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java

@@ -80,6 +80,13 @@ public class MergeCommandTest extends RepositoryTestCase {
 
 		MergeResult result = git.merge().include(db.getRef(Constants.HEAD)).call();
 		assertEquals(MergeResult.MergeStatus.ALREADY_UP_TO_DATE, result.getMergeStatus());
+		// no reflog entry written by merge
+		assertEquals("commit: initial commit",
+				db
+				.getReflogReader(Constants.HEAD).getLastEntry().getComment());
+		assertEquals("commit: initial commit",
+				db
+				.getReflogReader(db.getBranch()).getLastEntry().getComment());
 	}
 
 	@Test
@@ -92,7 +99,11 @@ public class MergeCommandTest extends RepositoryTestCase {
 		MergeResult result = git.merge().include(db.getRef("refs/heads/branch1")).call();
 		assertEquals(MergeResult.MergeStatus.ALREADY_UP_TO_DATE, result.getMergeStatus());
 		assertEquals(second, result.getNewHead());
-
+		// no reflog entry written by merge
+		assertEquals("commit: second commit", db
+				.getReflogReader(Constants.HEAD).getLastEntry().getComment());
+		assertEquals("commit: second commit", db
+				.getReflogReader(db.getBranch()).getLastEntry().getComment());
 	}
 
 	@Test
@@ -109,6 +120,10 @@ public class MergeCommandTest extends RepositoryTestCase {
 
 		assertEquals(MergeResult.MergeStatus.FAST_FORWARD, result.getMergeStatus());
 		assertEquals(second, result.getNewHead());
+		assertEquals("merge refs/heads/master: Fast-forward",
+				db.getReflogReader(Constants.HEAD).getLastEntry().getComment());
+		assertEquals("merge refs/heads/master: Fast-forward",
+				db.getReflogReader(db.getBranch()).getLastEntry().getComment());
 	}
 
 	@Test
@@ -136,6 +151,10 @@ public class MergeCommandTest extends RepositoryTestCase {
 		assertTrue(new File(db.getWorkTree(), "file2").exists());
 		assertEquals(MergeResult.MergeStatus.FAST_FORWARD, result.getMergeStatus());
 		assertEquals(second, result.getNewHead());
+		assertEquals("merge refs/heads/master: Fast-forward",
+				db.getReflogReader(Constants.HEAD).getLastEntry().getComment());
+		assertEquals("merge refs/heads/master: Fast-forward",
+				db.getReflogReader(db.getBranch()).getLastEntry().getComment());
 	}
 
 	@Test
@@ -190,6 +209,14 @@ public class MergeCommandTest extends RepositoryTestCase {
 		MergeResult result = git.merge().setStrategy(mergeStrategy)
 				.include(db.getRef(Constants.MASTER)).call();
 		assertEquals(MergeStatus.MERGED, result.getMergeStatus());
+		assertEquals(
+				"merge refs/heads/master: Merge made by "
+						+ mergeStrategy.getName() + ".",
+				db.getReflogReader(Constants.HEAD).getLastEntry().getComment());
+		assertEquals(
+				"merge refs/heads/master: Merge made by "
+						+ mergeStrategy.getName() + ".",
+				db.getReflogReader(db.getBranch()).getLastEntry().getComment());
 	}
 
 	@Test
@@ -370,6 +397,14 @@ public class MergeCommandTest extends RepositoryTestCase {
 				.setStrategy(MergeStrategy.RESOLVE).call();
 		assertEquals(MergeStatus.MERGED, result.getMergeStatus());
 		assertEquals("1\nb(1)\n3\n", read(new File(db.getWorkTree(), "b")));
+		assertEquals("merge " + secondCommit.getId().getName()
+				+ ": Merge made by resolve.", db
+				.getReflogReader(Constants.HEAD)
+				.getLastEntry().getComment());
+		assertEquals("merge " + secondCommit.getId().getName()
+				+ ": Merge made by resolve.", db
+				.getReflogReader(db.getBranch())
+				.getLastEntry().getComment());
 	}
 
 	@Test

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RevertCommandTest.java

@@ -50,8 +50,10 @@ import java.util.Iterator;
 
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.RepositoryTestCase;
 import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.storage.file.ReflogReader;
 import org.junit.Test;
 
 /**
@@ -100,5 +102,13 @@ public class RevertCommandTest extends RepositoryTestCase {
 		assertEquals("create b", history.next().getFullMessage());
 		assertEquals("create a", history.next().getFullMessage());
 		assertFalse(history.hasNext());
+
+		ReflogReader reader = db.getReflogReader(Constants.HEAD);
+		assertTrue(reader.getLastEntry().getComment()
+				.startsWith("revert: Revert \""));
+		reader = db.getReflogReader(db.getBranch());
+		assertTrue(reader.getLastEntry().getComment()
+				.startsWith("revert: Revert \""));
+
 	}
 }