TaskUtilsTest.java

// Copyright 2016 Twitter. All rights reserved.
//
// 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.twitter.heron.scheduler.mesos.framework;

import org.junit.Assert;
import org.junit.Test;


public class TaskUtilsTest {
  @Test
  public void testGetTaskInfo() throws Exception {
    final int CONTAINER_INDEX = 1;
    final int ATTEMPT = 1;

    String taskName = TaskUtils.getTaskNameForContainerIndex(CONTAINER_INDEX);
    Assert.assertTrue(
        taskName.startsWith(String.format("container_%d", CONTAINER_INDEX)));
    String taskId = TaskUtils.getTaskId(taskName, ATTEMPT);
    Assert.assertEquals(
        String.format(TaskUtils.TASK_ID_TEMPLATE, taskName, ATTEMPT), taskId);

    // Get info from taskId
    Assert.assertEquals(taskName, TaskUtils.getTaskNameForTaskId(taskId));
    Assert.assertEquals(CONTAINER_INDEX, TaskUtils.getContainerIndexForTaskId(taskId));
    Assert.assertEquals(ATTEMPT, TaskUtils.getAttemptForTaskId(taskId));

    // Valid taskId or not?
    Assert.assertTrue(TaskUtils.isValidTaskId(taskId));
    Assert.assertFalse(TaskUtils.isValidTaskId("invalidTaskId"));
  }
}