Java tutorial
// Copyright (C) 2013 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.server.change; import com.google.gerrit.common.data.IncludedInDetail; import org.eclipse.jgit.api.Git; import org.eclipse.jgit.api.MergeCommand.FastForwardMode; import org.eclipse.jgit.junit.RepositoryTestCase; import org.eclipse.jgit.lib.ObjectId; import org.eclipse.jgit.lib.Ref; import org.eclipse.jgit.revwalk.RevCommit; import org.eclipse.jgit.revwalk.RevTag; import org.eclipse.jgit.revwalk.RevWalk; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; public class IncludedInResolverTest extends RepositoryTestCase { // Branch names private static final String BRANCH_MASTER = "master"; private static final String BRANCH_1_0 = "rel-1.0"; private static final String BRANCH_1_3 = "rel-1.3"; private static final String BRANCH_2_0 = "rel-2.0"; private static final String BRANCH_2_5 = "rel-2.5"; // Tag names private static final String TAG_1_0 = "1.0"; private static final String TAG_1_0_1 = "1.0.1"; private static final String TAG_1_3 = "1.3"; private static final String TAG_2_0_1 = "2.0.1"; private static final String TAG_2_0 = "2.0"; private static final String TAG_2_5 = "2.5"; private static final String TAG_2_5_ANNOTATED = "2.5-annotated"; private static final String TAG_2_5_ANNOTATED_TWICE = "2.5-annotated_twice"; // Commits private RevCommit commit_initial; private RevCommit commit_v1_3; private RevCommit commit_v2_5; private List<String> expTags = new ArrayList<>(); private List<String> expBranches = new ArrayList<>(); private RevWalk revWalk; @Override @Before public void setUp() throws Exception { super.setUp(); /*- The following graph will be created. o tag 2.5, 2.5_annotated, 2.5_annotated_twice |\ | o tag 2.0.1 | o tag 2.0 o | tag 1.3 |/ o c3 | o tag 1.0.1 |/ o tag 1.0 o c2 o c1 */ // TODO(dborowitz): Use try/finally when this doesn't double-close the repo. @SuppressWarnings("resource") Git git = new Git(db); revWalk = new RevWalk(db); // Version 1.0 commit_initial = git.commit().setMessage("c1").call(); git.commit().setMessage("c2").call(); RevCommit commit_v1_0 = git.commit().setMessage("version 1.0").call(); git.tag().setName(TAG_1_0).setObjectId(commit_v1_0).call(); RevCommit c3 = git.commit().setMessage("c3").call(); // Version 1.01 createAndCheckoutBranch(commit_v1_0, BRANCH_1_0); RevCommit commit_v1_0_1 = git.commit().setMessage("verREFS_HEADS_RELsion 1.0.1").call(); git.tag().setName(TAG_1_0_1).setObjectId(commit_v1_0_1).call(); // Version 1.3 createAndCheckoutBranch(c3, BRANCH_1_3); commit_v1_3 = git.commit().setMessage("version 1.3").call(); git.tag().setName(TAG_1_3).setObjectId(commit_v1_3).call(); // Version 2.0 createAndCheckoutBranch(c3, BRANCH_2_0); RevCommit commit_v2_0 = git.commit().setMessage("version 2.0").call(); git.tag().setName(TAG_2_0).setObjectId(commit_v2_0).call(); RevCommit commit_v2_0_1 = git.commit().setMessage("version 2.0.1").call(); git.tag().setName(TAG_2_0_1).setObjectId(commit_v2_0_1).call(); // Version 2.5 createAndCheckoutBranch(commit_v1_3, BRANCH_2_5); git.merge().include(commit_v2_0_1).setCommit(false).setFastForward(FastForwardMode.NO_FF).call(); commit_v2_5 = git.commit().setMessage("version 2.5").call(); git.tag().setName(TAG_2_5).setObjectId(commit_v2_5).setAnnotated(false).call(); Ref ref_tag_2_5_annotated = git.tag().setName(TAG_2_5_ANNOTATED).setObjectId(commit_v2_5).setAnnotated(true) .call(); RevTag tag_2_5_annotated = revWalk.parseTag(ref_tag_2_5_annotated.getObjectId()); git.tag().setName(TAG_2_5_ANNOTATED_TWICE).setObjectId(tag_2_5_annotated).setAnnotated(true).call(); } @Override @After public void tearDown() throws Exception { revWalk.close(); super.tearDown(); } @Test public void resolveLatestCommit() throws Exception { // Check tip commit IncludedInDetail detail = resolve(commit_v2_5); // Check that only tags and branches which refer the tip are returned expTags.add(TAG_2_5); expTags.add(TAG_2_5_ANNOTATED); expTags.add(TAG_2_5_ANNOTATED_TWICE); assertEquals(expTags, detail.getTags()); expBranches.add(BRANCH_2_5); assertEquals(expBranches, detail.getBranches()); } @Test public void resolveFirstCommit() throws Exception { // Check first commit IncludedInDetail detail = resolve(commit_initial); // Check whether all tags and branches are returned expTags.add(TAG_1_0); expTags.add(TAG_1_0_1); expTags.add(TAG_1_3); expTags.add(TAG_2_0); expTags.add(TAG_2_0_1); expTags.add(TAG_2_5); expTags.add(TAG_2_5_ANNOTATED); expTags.add(TAG_2_5_ANNOTATED_TWICE); assertEquals(expTags, detail.getTags()); expBranches.add(BRANCH_MASTER); expBranches.add(BRANCH_1_0); expBranches.add(BRANCH_1_3); expBranches.add(BRANCH_2_0); expBranches.add(BRANCH_2_5); assertEquals(expBranches, detail.getBranches()); } @Test public void resolveBetwixtCommit() throws Exception { // Check a commit somewhere in the middle IncludedInDetail detail = resolve(commit_v1_3); // Check whether all succeeding tags and branches are returned expTags.add(TAG_1_3); expTags.add(TAG_2_5); expTags.add(TAG_2_5_ANNOTATED); expTags.add(TAG_2_5_ANNOTATED_TWICE); assertEquals(expTags, detail.getTags()); expBranches.add(BRANCH_1_3); expBranches.add(BRANCH_2_5); assertEquals(expBranches, detail.getBranches()); } private IncludedInDetail resolve(RevCommit commit) throws Exception { return IncludedInResolver.resolve(db, revWalk, commit); } private void assertEquals(List<String> list1, List<String> list2) { Collections.sort(list1); Collections.sort(list2); Assert.assertEquals(list1, list2); } private void createAndCheckoutBranch(ObjectId objectId, String branchName) throws IOException { String fullBranchName = "refs/heads/" + branchName; super.createBranch(objectId, fullBranchName); super.checkoutBranch(fullBranchName); } }