// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.httpd.rpc.project;
import static org.easymock.EasyMock.createStrictMock;
import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.expectLastCall;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.eclipse.jgit.lib.Constants.HEAD;
import static org.eclipse.jgit.lib.Constants.R_HEADS;
import static org.eclipse.jgit.lib.Ref.Storage.LOOSE;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.google.gerrit.common.data.ListBranchesResult;
import com.google.gerrit.reviewdb.client.Branch;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.project.NoSuchProjectException;
import com.google.gerrit.server.project.ProjectControl;
import com.google.gerrit.server.project.RefControl;
import com.google.gwtorm.client.KeyUtil;
import com.google.gwtorm.server.StandardKeyEncoder;
import org.easymock.IExpectationSetters;
import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectIdRef;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.SymbolicRef;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class ListBranchesTest extends LocalDiskRepositoryTestCase {
static {
KeyUtil.setEncoderImpl(new StandardKeyEncoder());
}
private ObjectId idA;
private Project.NameKey name;
private Repository realDb;
private Repository mockDb;
private ProjectControl.Factory pcf;
private ProjectControl pc;
private GitRepositoryManager grm;
private List<RefControl> refMocks;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
idA = ObjectId.fromString("df84c2f4f7ce7e0b25cdeac84b8870bcff319885");
name = new Project.NameKey("test");
realDb = createBareRepository();
mockDb = createStrictMock(Repository.class);
pc = createStrictMock(ProjectControl.class);
pcf = createStrictMock(ProjectControl.Factory.class);
grm = createStrictMock(GitRepositoryManager.class);
refMocks = new ArrayList<RefControl>();
}
private IExpectationSetters<ProjectControl> validate()
throws NoSuchProjectException {
return expect(pcf.validateFor(eq(name), //
eq(ProjectControl.OWNER | ProjectControl.VISIBLE)));
}
private void doReplay() {
replay(mockDb, pc, pcf, grm);
replay(refMocks.toArray());
}
private void doVerify() {
verify(mockDb, pc, pcf, grm);
verify(refMocks.toArray());
}
private void set(String branch, ObjectId id) throws IOException {
final RefUpdate u = realDb.updateRef(R_HEADS + branch);
u.setForceUpdate(true);
u.setNewObjectId(id);
switch (u.update()) {
case NEW:
case FAST_FORWARD:
case FORCED:
break;
default:
fail("unexpected update failure " + branch + " " + u.getResult());
}
}
@Test
public void testProjectNotVisible() throws Exception {
final NoSuchProjectException err = new NoSuchProjectException(name);
validate().andThrow(err);
doReplay();
try {
new ListBranches(pcf, grm, name).call();
fail("did not throw when expected not authorized");
} catch (NoSuchProjectException e2) {
assertSame(err, e2);
}
doVerify();
}
private ListBranchesResult permitted(boolean getHead)
throws NoSuchProjectException, IOException {
Map<String, Ref> refs = realDb.getAllRefs();
validate().andReturn(pc);
expect(grm.openRepository(eq(name))).andReturn(mockDb);
expect(mockDb.getAllRefs()).andDelegateTo(realDb);
if (getHead) {
expect(mockDb.getRef(HEAD)).andDelegateTo(realDb);
if (!refs.containsKey(HEAD) && realDb.getRef(HEAD) != null) {
refs.put(HEAD, realDb.getRef(HEAD));
}
}
Set<String> targets = targets(refs);
for (Ref ref : refs.values()) {
assumeVisible(ref, true, targets);
}
mockDb.close();
expect(pc.canAddRefs()).andReturn(true);
expectLastCall();
doReplay();
final ListBranchesResult r = new ListBranches(pcf, grm, name).call();
doVerify();
assertNotNull(r);
assertNotNull(r.getBranches());
return r;
}
private Set<String> targets(Map<String, Ref> refs) {
Set<String> targets = new HashSet<String>();
for (Ref ref : refs.values()) {
if (ref.isSymbolic()) {
targets.add(ref.getLeaf().getName());
}
}
return targets;
}
private void assumeVisible(Ref ref, boolean visible, Set<String> targets) {
RefControl rc = createStrictMock(RefControl.class);
refMocks.add(rc);
expect(rc.isVisible()).andReturn(visible);
if (visible && !ref.isSymbolic() && !targets.contains(ref.getName())) {
expect(rc.canDelete()).andReturn(true);
}
if (ref.isSymbolic()) {
expect(pc.controlForRef(ref.getTarget().getName())).andReturn(rc);
} else {
expect(pc.controlForRef(ref.getName())).andReturn(rc);
}
}
@Test
public void testEmptyProject() throws Exception {
ListBranchesResult r = permitted(true);
assertEquals(1, r.getBranches().size());
Branch b = r.getBranches().get(0);
assertNotNull(b);
assertNotNull(b.getNameKey());
assertSame(name, b.getNameKey().getParentKey());
assertEquals(HEAD, b.getNameKey().get());
assertEquals(HEAD, b.getName());
assertEquals(HEAD, b.getShortName());
assertNotNull(b.getRevision());
assertEquals("master", b.getRevision().get());
}
@Test
public void testMasterBranch() throws Exception {
set("master", idA);
ListBranchesResult r = permitted(false);
assertEquals(2, r.getBranches().size());
Branch b = r.getBranches().get(0);
assertNotNull(b);
assertNotNull(b.getNameKey());
assertSame(name, b.getNameKey().getParentKey());
assertEquals(HEAD, b.getNameKey().get());
assertEquals(HEAD, b.getName());
assertEquals(HEAD, b.getShortName());
assertNotNull(b.getRevision());
assertEquals("master", b.getRevision().get());
b = r.getBranches().get(1);
assertNotNull(b);
assertNotNull(b.getNameKey());
assertSame(name, b.getNameKey().getParentKey());
assertEquals(R_HEADS + "master", b.getNameKey().get());
assertEquals(R_HEADS + "master", b.getName());
assertEquals("master", b.getShortName());
assertNotNull(b.getRevision());
assertEquals(idA.name(), b.getRevision().get());
}
@Test
public void testBranchNotHead() throws Exception {
set("foo", idA);
ListBranchesResult r = permitted(true);
assertEquals(2, r.getBranches().size());
Branch b = r.getBranches().get(0);
assertNotNull(b);
assertNotNull(b.getNameKey());
assertSame(name, b.getNameKey().getParentKey());
assertEquals(HEAD, b.getNameKey().get());
assertEquals(HEAD, b.getName());
assertEquals(HEAD, b.getShortName());
assertNotNull(b.getRevision());
assertEquals("master", b.getRevision().get());
assertFalse(b.getCanDelete());
b = r.getBranches().get(1);
assertNotNull(b);
assertNotNull(b.getNameKey());
assertSame(name, b.getNameKey().getParentKey());
assertEquals(R_HEADS + "foo", b.getNameKey().get());
assertEquals(R_HEADS + "foo", b.getName());
assertEquals("foo", b.getShortName());
assertNotNull(b.getRevision());
assertEquals(idA.name(), b.getRevision().get());
assertTrue(b.getCanDelete());
}
@Test
public void testSortByName() throws Exception {
Map<String, Ref> u = new LinkedHashMap<String, Ref>();
u.put("foo", new ObjectIdRef.Unpeeled(LOOSE, R_HEADS + "foo", idA));
u.put("bar", new ObjectIdRef.Unpeeled(LOOSE, R_HEADS + "bar", idA));
u.put(HEAD, new SymbolicRef(HEAD, new ObjectIdRef.Unpeeled(LOOSE, R_HEADS
+ "master", null)));
validate().andReturn(pc);
expect(grm.openRepository(eq(name))).andReturn(mockDb);
expect(mockDb.getAllRefs()).andReturn(u);
for (Ref ref : u.values()) {
assumeVisible(ref, true, targets(u));
}
expect(pc.canAddRefs()).andReturn(true);
mockDb.close();
expectLastCall();
doReplay();
final ListBranchesResult r = new ListBranches(pcf, grm, name).call();
doVerify();
assertNotNull(r);
assertEquals(3, r.getBranches().size());
assertEquals(HEAD, r.getBranches().get(0).getShortName());
assertEquals("bar", r.getBranches().get(1).getShortName());
assertEquals("foo", r.getBranches().get(2).getShortName());
}
@Test
public void testHeadNotVisible() throws Exception {
ObjectIdRef.Unpeeled bar =
new ObjectIdRef.Unpeeled(LOOSE, R_HEADS + "bar", idA);
Map<String, Ref> u = new LinkedHashMap<String, Ref>();
u.put(bar.getName(), bar);
u.put(HEAD, new SymbolicRef(HEAD, bar));
validate().andReturn(pc);
expect(grm.openRepository(eq(name))).andReturn(mockDb);
expect(mockDb.getAllRefs()).andReturn(u);
assumeVisible(bar, false, targets(u));
assumeVisible(bar, false, targets(u));
expect(pc.canAddRefs()).andReturn(true);
mockDb.close();
expectLastCall();
doReplay();
final ListBranchesResult r = new ListBranches(pcf, grm, name).call();
doVerify();
assertNotNull(r);
assertTrue(r.getBranches().isEmpty());
}
@Test
public void testHeadVisibleButBranchHidden() throws Exception {
ObjectIdRef.Unpeeled bar =
new ObjectIdRef.Unpeeled(LOOSE, R_HEADS + "bar", idA);
ObjectIdRef.Unpeeled foo =
new ObjectIdRef.Unpeeled(LOOSE, R_HEADS + "foo", idA);
Map<String, Ref> u = new LinkedHashMap<String, Ref>();
u.put(bar.getName(), bar);
u.put(HEAD, new SymbolicRef(HEAD, bar));
u.put(foo.getName(), foo);
validate().andReturn(pc);
expect(grm.openRepository(eq(name))).andReturn(mockDb);
expect(mockDb.getAllRefs()).andReturn(u);
assumeVisible(bar, true, targets(u));
assumeVisible(bar, true, targets(u));
assumeVisible(foo, false, targets(u));
expect(pc.canAddRefs()).andReturn(true);
mockDb.close();
expectLastCall();
doReplay();
final ListBranchesResult r = new ListBranches(pcf, grm, name).call();
doVerify();
assertNotNull(r);
assertEquals(2, r.getBranches().size());
assertEquals(HEAD, r.getBranches().get(0).getShortName());
assertFalse(r.getBranches().get(0).getCanDelete());
assertEquals("bar", r.getBranches().get(1).getShortName());
assertFalse(r.getBranches().get(1).getCanDelete());
}
}