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// Copyright (C) 2021 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.query.change;
import static com.google.common.truth.Truth.assertThat;
import static com.google.gerrit.acceptance.testsuite.project.TestProjectUpdate.allowCapability;
import static com.google.gerrit.acceptance.testsuite.project.TestProjectUpdate.block;
import static com.google.gerrit.common.data.GlobalCapability.QUERY_LIMIT;
import static com.google.gerrit.server.group.SystemGroupBackend.REGISTERED_USERS;
import static org.junit.Assume.assumeFalse;
import com.google.gerrit.acceptance.UseClockStep;
import com.google.gerrit.entities.Permission;
import com.google.gerrit.entities.Project;
import com.google.gerrit.index.PaginationType;
import com.google.gerrit.index.testing.AbstractFakeIndex;
import com.google.gerrit.server.config.AllProjectsName;
import com.google.gerrit.server.index.change.ChangeIndexCollection;
import com.google.gerrit.testing.InMemoryModule;
import com.google.gerrit.testing.InMemoryRepositoryManager;
import com.google.gerrit.testing.InMemoryRepositoryManager.Repo;
import com.google.inject.Guice;
import com.google.inject.Inject;
import com.google.inject.Injector;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.Config;
import org.junit.Test;
/**
* Test against {@link com.google.gerrit.index.testing.AbstractFakeIndex}. This test might seem
* obsolete, but it makes sure that the fake index implementation used in tests gives the same
* results as production indices.
*/
public abstract class FakeQueryChangesTest extends AbstractQueryChangesTest {
@Inject private ChangeIndexCollection changeIndexCollection;
@Inject protected AllProjectsName allProjects;
@Override
protected Injector createInjector() {
Config fakeConfig = new Config(config);
InMemoryModule.setDefaults(fakeConfig);
fakeConfig.setString("index", null, "type", "fake");
return Guice.createInjector(new InMemoryModule(fakeConfig));
}
@Test
@UseClockStep
@SuppressWarnings("unchecked")
public void stopQueryIfNoMoreResults() throws Exception {
// create 2 visible changes
TestRepository<InMemoryRepositoryManager.Repo> testRepo = createProject("repo");
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
// create 2 invisible changes
TestRepository<Repo> hiddenProject = createProject("hiddenProject");
insert(hiddenProject, newChange(hiddenProject));
insert(hiddenProject, newChange(hiddenProject));
projectOperations
.project(Project.nameKey("hiddenProject"))
.forUpdate()
.add(block(Permission.READ).ref("refs/*").group(REGISTERED_USERS))
.update();
AbstractFakeIndex idx = (AbstractFakeIndex) changeIndexCollection.getSearchIndex();
newQuery("status:new").withLimit(5).get();
// Since the limit of the query (i.e. 5) is more than the total number of changes (i.e. 4),
// only 1 index search is expected.
assertThat(idx.getQueryCount()).isEqualTo(1);
}
@Test
@UseClockStep
@SuppressWarnings("unchecked")
public void noLimitQueryPaginates() throws Exception {
assumeFalse(PaginationType.NONE == getCurrentPaginationType());
TestRepository<InMemoryRepositoryManager.Repo> testRepo = createProject("repo");
// create 4 changes
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
// Set queryLimit to 2
projectOperations
.project(allProjects)
.forUpdate()
.add(allowCapability(QUERY_LIMIT).group(REGISTERED_USERS).range(0, 2))
.update();
AbstractFakeIndex idx = (AbstractFakeIndex) changeIndexCollection.getSearchIndex();
// 2 index searches are expected. The first index search will run with size 3 (i.e.
// the configured query-limit+1), and then we will paginate to get the remaining
// changes with the second index search.
newQuery("status:new").withNoLimit().get();
assertThat(idx.getQueryCount()).isEqualTo(2);
}
@Test
@UseClockStep
@SuppressWarnings("unchecked")
public void internalQueriesPaginate() throws Exception {
assumeFalse(PaginationType.NONE == getCurrentPaginationType());
// create 4 changes
TestRepository<InMemoryRepositoryManager.Repo> testRepo = createProject("repo");
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
insert(testRepo, newChange(testRepo));
// Set queryLimit to 2
projectOperations
.project(allProjects)
.forUpdate()
.add(allowCapability(QUERY_LIMIT).group(REGISTERED_USERS).range(0, 2))
.update();
AbstractFakeIndex idx = (AbstractFakeIndex) changeIndexCollection.getSearchIndex();
// 2 index searches are expected. The first index search will run with size 3 (i.e.
// the configured query-limit+1), and then we will paginate to get the remaining
// changes with the second index search.
queryProvider.get().query(queryBuilderProvider.get().parse("status:new"));
assertThat(idx.getQueryCount()).isEqualTo(2);
}
}
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