/**
* 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 org.apache.aurora.scheduler.storage.log;
import java.util.Map;
import java.util.Map.Entry;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import org.apache.aurora.codec.ThriftBinaryCodec.CodingException;
import org.apache.aurora.gen.AssignedTask;
import org.apache.aurora.gen.ExecutorConfig;
import org.apache.aurora.gen.ScheduledTask;
import org.apache.aurora.gen.TaskConfig;
import org.apache.aurora.gen.storage.DeduplicatedScheduledTask;
import org.apache.aurora.gen.storage.DeduplicatedSnapshot;
import org.apache.aurora.gen.storage.SchedulerMetadata;
import org.apache.aurora.gen.storage.Snapshot;
import org.apache.aurora.scheduler.storage.log.SnapshotDeduplicator.SnapshotDeduplicatorImpl;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
public class SnapshotDeduplicatorImplTest {
private final SnapshotDeduplicator snapshotDeduplicator = new SnapshotDeduplicatorImpl();
private final Map<String, TaskConfig> taskIdToConfig = ImmutableMap.of(
"task1", makeConfig("a"),
"task2", makeConfig("a"),
"task3", makeConfig("b"));
private TaskConfig makeConfig(String data) {
return new TaskConfig()
.setExecutorConfig(new ExecutorConfig()
.setData(data));
}
private ScheduledTask makeTask(String taskId, TaskConfig config) {
return new ScheduledTask()
.setAssignedTask(new AssignedTask()
.setTaskId(taskId)
.setTask(config));
}
private Snapshot makeSnapshot() {
Snapshot snapshot = new Snapshot()
.setSchedulerMetadata(new SchedulerMetadata()
.setFrameworkId("test"));
for (Entry<String, TaskConfig> entry : taskIdToConfig.entrySet()) {
snapshot.addToTasks(makeTask(entry.getKey(), entry.getValue()));
}
return snapshot;
}
@Test
public void testRoundTrip() throws Exception {
Snapshot snapshot = makeSnapshot();
assertEquals(
snapshot,
snapshotDeduplicator.reduplicate(snapshotDeduplicator.deduplicate(snapshot)));
}
@Test
public void testDeduplicatedFormat() {
DeduplicatedSnapshot deduplicatedSnapshot = snapshotDeduplicator.deduplicate(makeSnapshot());
assertEquals(
"The tasks field of the partial snapshot should be empty.",
0,
deduplicatedSnapshot.getPartialSnapshot().getTasksSize());
assertEquals(
"The total number of task configs should be equal to the number of unique task configs.",
2,
deduplicatedSnapshot.getTaskConfigsSize());
assertEquals(
ImmutableSet.of(makeConfig("a"), makeConfig("b")),
ImmutableSet.copyOf(deduplicatedSnapshot.getTaskConfigs()));
for (DeduplicatedScheduledTask task : deduplicatedSnapshot.getPartialTasks()) {
assertEquals(
"The deduplicated task should have the correct index into the taskConfigs table.",
taskIdToConfig.get(task.getPartialScheduledTask().getAssignedTask().getTaskId()),
deduplicatedSnapshot.getTaskConfigs().get(task.getTaskConfigId()));
assertNull(
"The task config field of partial scheduled tasks should be null.",
task.getPartialScheduledTask().getAssignedTask().getTask());
}
}
@Test(expected = CodingException.class)
public void testReduplicateFailure() throws Exception {
DeduplicatedSnapshot corrupt = new DeduplicatedSnapshot()
.setPartialSnapshot(new Snapshot().setSchedulerMetadata(new SchedulerMetadata()))
.setPartialTasks(ImmutableList.of(
new DeduplicatedScheduledTask()
.setPartialScheduledTask(new ScheduledTask())
.setTaskConfigId(1)))
.setTaskConfigs(ImmutableList.of(new TaskConfig()));
snapshotDeduplicator.reduplicate(corrupt);
}
@Test
public void testEmptyRoundTrip() throws Exception {
Snapshot snapshot = new Snapshot();
assertEquals(
snapshot,
snapshotDeduplicator.reduplicate(snapshotDeduplicator.deduplicate(snapshot)));
}
}