diff options
Diffstat (limited to 'javatests/com/google/gerrit/server/update/RepoViewTest.java')
-rw-r--r-- | javatests/com/google/gerrit/server/update/RepoViewTest.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/javatests/com/google/gerrit/server/update/RepoViewTest.java b/javatests/com/google/gerrit/server/update/RepoViewTest.java new file mode 100644 index 0000000000..9f7deee6cb --- /dev/null +++ b/javatests/com/google/gerrit/server/update/RepoViewTest.java @@ -0,0 +1,154 @@ +// Copyright (C) 2017 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.update; + +import static com.google.common.truth.Truth.assertThat; +import static com.google.common.truth.Truth8.assertThat; +import static org.eclipse.jgit.lib.Constants.R_HEADS; + +import com.google.gerrit.reviewdb.client.Project; +import com.google.gerrit.testing.InMemoryRepositoryManager; +import org.eclipse.jgit.junit.TestRepository; +import org.eclipse.jgit.lib.Config; +import org.eclipse.jgit.lib.ObjectId; +import org.eclipse.jgit.lib.Repository; +import org.eclipse.jgit.lib.StoredConfig; +import org.eclipse.jgit.transport.ReceiveCommand; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; + +public class RepoViewTest { + private static final String MASTER = "refs/heads/master"; + private static final String BRANCH = "refs/heads/branch"; + + private Repository repo; + private TestRepository<?> tr; + private RepoView view; + + @Before + public void setUp() throws Exception { + InMemoryRepositoryManager repoManager = new InMemoryRepositoryManager(); + Project.NameKey project = new Project.NameKey("project"); + repo = repoManager.createRepository(project); + tr = new TestRepository<>(repo); + tr.branch(MASTER).commit().create(); + view = new RepoView(repoManager, project); + } + + @After + public void tearDown() { + view.close(); + repo.close(); + } + + @Test + public void getConfigIsDefensiveCopy() throws Exception { + StoredConfig orig = repo.getConfig(); + orig.setString("a", "config", "option", "yes"); + orig.save(); + + Config copy = view.getConfig(); + copy.setString("a", "config", "option", "no"); + + assertThat(orig.getString("a", "config", "option")).isEqualTo("yes"); + assertThat(repo.getConfig().getString("a", "config", "option")).isEqualTo("yes"); + } + + @Test + public void getRef() throws Exception { + ObjectId oldMaster = repo.exactRef(MASTER).getObjectId(); + assertThat(repo.exactRef(MASTER).getObjectId()).isEqualTo(oldMaster); + assertThat(repo.exactRef(BRANCH)).isNull(); + assertThat(view.getRef(MASTER)).hasValue(oldMaster); + assertThat(view.getRef(BRANCH)).isEmpty(); + + tr.branch(MASTER).commit().create(); + tr.branch(BRANCH).commit().create(); + assertThat(repo.exactRef(MASTER).getObjectId()).isNotEqualTo(oldMaster); + assertThat(repo.exactRef(BRANCH)).isNotNull(); + assertThat(view.getRef(MASTER)).hasValue(oldMaster); + assertThat(view.getRef(BRANCH)).isEmpty(); + } + + @Test + public void getRefsRescansWhenNotCaching() throws Exception { + ObjectId oldMaster = repo.exactRef(MASTER).getObjectId(); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", oldMaster); + + ObjectId newBranch = tr.branch(BRANCH).commit().create(); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", oldMaster, "branch", newBranch); + } + + @Test + public void getRefsUsesCachedValueMatchingGetRef() throws Exception { + ObjectId master1 = repo.exactRef(MASTER).getObjectId(); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master1); + assertThat(view.getRef(MASTER)).hasValue(master1); + + // Doesn't reflect new value for master. + ObjectId master2 = tr.branch(MASTER).commit().create(); + assertThat(repo.exactRef(MASTER).getObjectId()).isEqualTo(master2); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master1); + + // Branch wasn't previously cached, so does reflect new value. + ObjectId branch1 = tr.branch(BRANCH).commit().create(); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master1, "branch", branch1); + + // Looking up branch causes it to be cached. + assertThat(view.getRef(BRANCH)).hasValue(branch1); + ObjectId branch2 = tr.branch(BRANCH).commit().create(); + assertThat(repo.exactRef(BRANCH).getObjectId()).isEqualTo(branch2); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master1, "branch", branch1); + } + + @Test + public void getRefsReflectsCommands() throws Exception { + ObjectId master1 = repo.exactRef(MASTER).getObjectId(); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master1); + + ObjectId master2 = tr.commit().create(); + view.getCommands().add(new ReceiveCommand(master1, master2, MASTER)); + + assertThat(repo.exactRef(MASTER).getObjectId()).isEqualTo(master1); + assertThat(view.getRef(MASTER)).hasValue(master2); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master2); + + view.getCommands().add(new ReceiveCommand(master2, ObjectId.zeroId(), MASTER)); + + assertThat(repo.exactRef(MASTER).getObjectId()).isEqualTo(master1); + assertThat(view.getRef(MASTER)).isEmpty(); + assertThat(view.getRefs(R_HEADS)).isEmpty(); + } + + @Test + public void getRefsOverwritesCachedValueWithCommand() throws Exception { + ObjectId master1 = repo.exactRef(MASTER).getObjectId(); + assertThat(view.getRef(MASTER)).hasValue(master1); + + ObjectId master2 = tr.commit().create(); + view.getCommands().add(new ReceiveCommand(master1, master2, MASTER)); + + assertThat(repo.exactRef(MASTER).getObjectId()).isEqualTo(master1); + assertThat(view.getRef(MASTER)).hasValue(master2); + assertThat(view.getRefs(R_HEADS)).containsExactly("master", master2); + + view.getCommands().add(new ReceiveCommand(master2, ObjectId.zeroId(), MASTER)); + + assertThat(repo.exactRef(MASTER).getObjectId()).isEqualTo(master1); + assertThat(view.getRef(MASTER)).isEmpty(); + assertThat(view.getRefs(R_HEADS)).isEmpty(); + } +} |