content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.beam.sdk.testing;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotEquals;
  
  import org.joda.time.DateTimeUtils;
  import org.joda.time.format.ISODateTimeFormat;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link ResetDateTimeProvider}. */
  @RunWith(JUnit4.class)
  public class ResetDateTimeProviderTest {
    private static final String TEST_TIME = "2014-12-08T19:07:06.698Z";
    private static final long TEST_TIME_MS = ISODateTimeFormat.dateTime().parseMillis(TEST_TIME);
  
    @Rule public ResetDateTimeProvider resetDateTimeProviderRule = new ResetDateTimeProvider();
  
    /*
     * Since these tests can run out of order, both test A and B change the provider
     * and verify that the provider was reset.
     */
    @Test
    public void testResetA() {
      assertNotEquals(TEST_TIME_MS, DateTimeUtils.currentTimeMillis());
      resetDateTimeProviderRule.setDateTimeFixed(TEST_TIME);
      assertEquals(TEST_TIME_MS, DateTimeUtils.currentTimeMillis());
    }
  
    @Test
    public void testResetB() {
      assertNotEquals(TEST_TIME_MS, DateTimeUtils.currentTimeMillis());
      resetDateTimeProviderRule.setDateTimeFixed(TEST_TIME);
      assertEquals(TEST_TIME_MS, DateTimeUtils.currentTimeMillis());
    }
  }
  