FetchCommandTest: test add/update/delete fetch

Change-Id: I2442394fb7eae5b3715779555477dd27b274ee83
Signed-off-by: Marc Strapetz <marc.strapetz@syntevo.com>
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>

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

@@ -101,6 +101,91 @@ public class FetchCommandTest extends RepositoryTestCase {
 				db.resolve(tagRef.getObjectId().getName()));
 	}
 
+	@Test
+	public void fetchAddsBranches() throws Exception {
+		final String branch1 = "b1";
+		final String branch2 = "b2";
+		final String remoteBranch1 = "test/" + branch1;
+		final String remoteBranch2 = "test/" + branch2;
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef1 = remoteGit.branchCreate().setName(branch1).call();
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef2 = remoteGit.branchCreate().setName(branch2).call();
+
+		String spec = "refs/heads/*:refs/remotes/test/*";
+		git.fetch().setRemote("test").setRefSpecs(spec).call();
+		assertEquals(branchRef1.getObjectId(), db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+	}
+
+	@Test
+	public void fetchDoesntDeleteBranches() throws Exception {
+		final String branch1 = "b1";
+		final String branch2 = "b2";
+		final String remoteBranch1 = "test/" + branch1;
+		final String remoteBranch2 = "test/" + branch2;
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef1 = remoteGit.branchCreate().setName(branch1).call();
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef2 = remoteGit.branchCreate().setName(branch2).call();
+
+		String spec = "refs/heads/*:refs/remotes/test/*";
+		git.fetch().setRemote("test").setRefSpecs(spec).call();
+		assertEquals(branchRef1.getObjectId(), db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+
+		remoteGit.branchDelete().setBranchNames(branch1).call();
+		git.fetch().setRemote("test").setRefSpecs(spec).call();
+		assertEquals(branchRef1.getObjectId(), db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+	}
+
+	@Test
+	public void fetchUpdatesBranches() throws Exception {
+		final String branch1 = "b1";
+		final String branch2 = "b2";
+		final String remoteBranch1 = "test/" + branch1;
+		final String remoteBranch2 = "test/" + branch2;
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef1 = remoteGit.branchCreate().setName(branch1).call();
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef2 = remoteGit.branchCreate().setName(branch2).call();
+
+		String spec = "refs/heads/*:refs/remotes/test/*";
+		git.fetch().setRemote("test").setRefSpecs(spec).call();
+		assertEquals(branchRef1.getObjectId(), db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+
+		remoteGit.commit().setMessage("commit").call();
+		branchRef2 = remoteGit.branchCreate().setName(branch2).setForce(true).call();
+		git.fetch().setRemote("test").setRefSpecs(spec).call();
+		assertEquals(branchRef1.getObjectId(), db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+	}
+
+	@Test
+	public void fetchPrunesBranches() throws Exception {
+		final String branch1 = "b1";
+		final String branch2 = "b2";
+		final String remoteBranch1 = "test/" + branch1;
+		final String remoteBranch2 = "test/" + branch2;
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef1 = remoteGit.branchCreate().setName(branch1).call();
+		remoteGit.commit().setMessage("commit").call();
+		Ref branchRef2 = remoteGit.branchCreate().setName(branch2).call();
+
+		String spec = "refs/heads/*:refs/remotes/test/*";
+		git.fetch().setRemote("test").setRefSpecs(spec).call();
+		assertEquals(branchRef1.getObjectId(), db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+
+		remoteGit.branchDelete().setBranchNames(branch1).call();
+		git.fetch().setRemote("test").setRefSpecs(spec)
+				.setRemoveDeletedRefs(true).call();
+		assertNull(db.resolve(remoteBranch1));
+		assertEquals(branchRef2.getObjectId(), db.resolve(remoteBranch2));
+	}
+
 	@Test
 	public void fetchShouldAutoFollowTag() throws Exception {
 		remoteGit.commit().setMessage("commit").call();