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.kafka.streams.processor.internals;
  
  import org.apache.kafka.streams.StreamsConfig;
  import org.apache.kafka.streams.processor.internals.TopologyMetadata.Subtopology;
  import org.apache.kafka.streams.processor.internals.testutil.DummyStreamsConfig;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.mockito.junit.jupiter.MockitoSettings;
  import org.mockito.quality.Strictness;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.mockito.Mockito.mock;
  
  
  @ExtendWith(MockitoExtension.class)
  @MockitoSettings(strictness = Strictness.STRICT_STUBS)
  public class TopologyMetadataTest {
      static final String TOPOLOGY1 = "topology1";
      static final String TOPOLOGY2 = "topology2";
  
      @Test
      public void testPauseResume() {
          final InternalTopologyBuilder internalTopologyBuilder = mock(InternalTopologyBuilder.class);
          final StreamsConfig config = new DummyStreamsConfig();
  
          final TopologyMetadata topologyMetadata = new TopologyMetadata(internalTopologyBuilder,
              config);
  
          assertFalse(topologyMetadata.isPaused(TOPOLOGY1));
          assertFalse(topologyMetadata.isPaused(TOPOLOGY2));
  
          topologyMetadata.pauseTopology(TOPOLOGY1);
          assertTrue(topologyMetadata.isPaused(TOPOLOGY1));
          assertFalse(topologyMetadata.isPaused(TOPOLOGY2));
  
          topologyMetadata.resumeTopology(TOPOLOGY1);
          assertFalse(topologyMetadata.isPaused(TOPOLOGY1));
          assertFalse(topologyMetadata.isPaused(TOPOLOGY2));
      }
  
      @Test
      public void testSubtopologyCompare() {
          Subtopology subtopology1 = new Subtopology(0, "1");
          Subtopology subtopology2 = new Subtopology(1, "1");
  
          assertTrue(subtopology1.compareTo(subtopology2) < 0);
  
          subtopology1 = new Subtopology(0, null);
          subtopology2 = new Subtopology(0, null);
          assertEquals(0, subtopology1.compareTo(subtopology2));
  
          subtopology1 = new Subtopology(0, null);
          subtopology2 = new Subtopology(0, "1");
          assertTrue(subtopology1.compareTo(subtopology2) < 0);
  
          subtopology1 = new Subtopology(0, "1");
          subtopology2 = new Subtopology(0, null);
          assertTrue(subtopology1.compareTo(subtopology2) > 0);
  
          subtopology1 = new Subtopology(0, "1");
          subtopology2 = new Subtopology(0, "2");
          assertTrue(subtopology1.compareTo(subtopology2) < 0);
      }
  }
  