1 files changed, 129 insertions, 0 deletions
diff --git a/javatests/com/google/gerrit/acceptance/api/project/ProjectIndexerIT.java b/javatests/com/google/gerrit/acceptance/api/project/ProjectIndexerIT.java
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@@ -0,0 +1,129 @@
+// Copyright (C) 2018 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.acceptance.api.project;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.gerrit.acceptance.GitUtil.fetch;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.index.IndexConfig;
+import com.google.gerrit.index.QueryOptions;
+import com.google.gerrit.index.RefState;
+import com.google.gerrit.index.project.ProjectField;
+import com.google.gerrit.index.project.ProjectIndex;
+import com.google.gerrit.index.project.ProjectIndexCollection;
+import com.google.gerrit.index.project.ProjectIndexer;
+import com.google.gerrit.index.query.FieldBundle;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.server.index.project.StalenessChecker;
+import com.google.gerrit.server.project.ProjectConfig;
+import com.google.inject.Inject;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Optional;
+import java.util.function.Consumer;
+import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
+import org.eclipse.jgit.junit.TestRepository;
+import org.eclipse.jgit.lib.Ref;
+import org.junit.Test;
+
+public class ProjectIndexerIT extends AbstractDaemonTest {
+  @Inject private ProjectIndexer projectIndexer;
+  @Inject private ProjectIndexCollection indexes;
+  @Inject private IndexConfig indexConfig;
+  @Inject private StalenessChecker stalenessChecker;
+
+  private static final ImmutableSet<String> FIELDS =
+      ImmutableSet.of(ProjectField.NAME.getName(), ProjectField.REF_STATE.getName());
+
+  @Test
+  public void indexProject_indexesRefStateOfProjectAndParents() throws Exception {
+    projectIndexer.index(project);
+    ProjectIndex i = indexes.getSearchIndex();
+    assertThat(i.getSchema().hasField(ProjectField.REF_STATE)).isTrue();
+
+    Optional<FieldBundle> result =
+        i.getRaw(project, QueryOptions.create(indexConfig, 0, 1, FIELDS));
+
+    assertThat(result.isPresent()).isTrue();
+    Iterable<byte[]> refState = result.get().getValue(ProjectField.REF_STATE);
+    assertThat(refState).isNotEmpty();
+
+    Map<Project.NameKey, Collection<RefState>> states = RefState.parseStates(refState).asMap();
+
+    fetch(testRepo, "refs/meta/config:refs/meta/config");
+    Ref projectConfigRef = testRepo.getRepository().exactRef("refs/meta/config");
+    TestRepository<InMemoryRepository> allProjectsRepo = cloneProject(allProjects, admin);
+    fetch(allProjectsRepo, "refs/meta/config:refs/meta/config");
+    Ref allProjectConfigRef = allProjectsRepo.getRepository().exactRef("refs/meta/config");
+    assertThat(states)
+        .containsExactly(
+            project,
+            ImmutableSet.of(RefState.of(projectConfigRef)),
+            allProjects,
+            ImmutableSet.of(RefState.of(allProjectConfigRef)));
+  }
+
+  @Test
+  public void stalenessChecker_currentProject_notStale() throws Exception {
+    assertThat(stalenessChecker.isStale(project)).isFalse();
+  }
+
+  @Test
+  public void stalenessChecker_currentProjectUpdates_isStale() throws Exception {
+    updateProjectConfigWithoutIndexUpdate(project);
+    assertThat(stalenessChecker.isStale(project)).isTrue();
+  }
+
+  @Test
+  public void stalenessChecker_parentProjectUpdates_isStale() throws Exception {
+    updateProjectConfigWithoutIndexUpdate(allProjects);
+    assertThat(stalenessChecker.isStale(project)).isTrue();
+  }
+
+  @Test
+  public void stalenessChecker_hierarchyChange_isStale() throws Exception {
+    Project.NameKey p1 = createProject("p1", allProjects);
+    Project.NameKey p2 = createProject("p2", allProjects);
+    try (ProjectConfigUpdate u = updateProject(project)) {
+      u.getConfig().getProject().setParentName(p1);
+      u.save();
+    }
+    assertThat(stalenessChecker.isStale(project)).isFalse();
+
+    updateProjectConfigWithoutIndexUpdate(p1, c -> c.getProject().setParentName(p2));
+    assertThat(stalenessChecker.isStale(project)).isTrue();
+  }
+
+  private void updateProjectConfigWithoutIndexUpdate(Project.NameKey project) throws Exception {
+    updateProjectConfigWithoutIndexUpdate(
+        project, c -> c.getProject().setDescription("making it stale"));
+  }
+
+  private void updateProjectConfigWithoutIndexUpdate(
+      Project.NameKey project, Consumer<ProjectConfig> update) throws Exception {
+    try (AutoCloseable ignored = disableProjectIndex()) {
+      try (ProjectConfigUpdate u = updateProject(project)) {
+        update.accept(u.getConfig());
+        u.save();
+      }
+    } catch (UnsupportedOperationException e) {
+      // Drop, as we just wanted to drop the index update
+      return;
+    }
+    fail("should have a UnsupportedOperationException");
+  }
+}