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.runners.dataflow.worker;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  import static org.junit.Assert.fail;
  import static org.mockito.Mockito.any;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.never;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import org.apache.beam.runners.core.metrics.ExecutionStateTracker;
  import org.apache.beam.runners.dataflow.worker.DataflowOperationContext.DataflowExecutionState;
  import org.apache.beam.runners.dataflow.worker.counters.Counter;
  import org.apache.beam.runners.dataflow.worker.counters.CounterFactory;
  import org.apache.beam.runners.dataflow.worker.counters.NameContext;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link DataflowSideInputReadCounter}. */
  @RunWith(JUnit4.class)
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public class DataflowSideInputReadCounterTest {
  
    @Test
    public void testToStringReturnsWellFormedDescriptionString() {
      DataflowExecutionContext mockedExecutionContext = mock(DataflowExecutionContext.class);
      DataflowOperationContext mockedOperationContext = mock(DataflowOperationContext.class);
      final int siIndexId = 3;
  
      ExecutionStateTracker mockedExecutionStateTracker = mock(ExecutionStateTracker.class);
      when(mockedExecutionContext.getExecutionStateTracker()).thenReturn(mockedExecutionStateTracker);
      Thread mockedThreadObject = mock(Thread.class);
      when(mockedExecutionStateTracker.getTrackedThread()).thenReturn(mockedThreadObject);
  
      DataflowSideInputReadCounter testObject =
          new DataflowSideInputReadCounter(mockedExecutionContext, mockedOperationContext, siIndexId);
  
      assertThat(
          testObject.toString(),
          equalTo("DataflowSideInputReadCounter{sideInputIndex=3, declaringStep=null}"));
    }
  
    @Test
    public void testAddBytesReadSkipsAddingCountersIfCurrentCounterIsNull() {
      DataflowExecutionContext mockedExecutionContext = mock(DataflowExecutionContext.class);
      DataflowOperationContext mockedOperationContext = mock(DataflowOperationContext.class);
      final int siIndexId = 3;
  
      ExecutionStateTracker mockedExecutionStateTracker = mock(ExecutionStateTracker.class);
      when(mockedExecutionContext.getExecutionStateTracker()).thenReturn(mockedExecutionStateTracker);
      Thread mockedThreadObject = mock(Thread.class);
      when(mockedExecutionStateTracker.getTrackedThread()).thenReturn(mockedThreadObject);
  
      DataflowSideInputReadCounter testObject =
          new DataflowSideInputReadCounter(mockedExecutionContext, mockedOperationContext, siIndexId);
  
      try {
        testObject.addBytesRead(10);
      } catch (Exception e) {
        fail(
            "Supposedly, we tried to add bytes to counter and that shouldn't happen. Ex.: "
                + e.toString());
      }
    }
  
    @Test
    public void testAddBytesReadUpdatesCounter() {
      DataflowExecutionContext mockedExecutionContext = mock(DataflowExecutionContext.class);
      DataflowOperationContext mockedOperationContext = mock(DataflowOperationContext.class);
      final int siIndexId = 3;
  
      ExecutionStateTracker mockedExecutionStateTracker = mock(ExecutionStateTracker.class);
      when(mockedExecutionContext.getExecutionStateTracker()).thenReturn(mockedExecutionStateTracker);
  
      Thread mockedThreadObject = mock(Thread.class);
      when(mockedExecutionStateTracker.getTrackedThread()).thenReturn(mockedThreadObject);
  
      DataflowExecutionState mockedExecutionState = mock(DataflowExecutionState.class);
      when(mockedExecutionStateTracker.getCurrentState()).thenReturn(mockedExecutionState);
  
      NameContext mockedNameContext = mock(NameContext.class);
      when(mockedExecutionState.getStepName()).thenReturn(mockedNameContext);
  
      when(mockedNameContext.originalName()).thenReturn("DummyName");
  
      NameContext mockedDeclaringNameContext = mock(NameContext.class);
      when(mockedOperationContext.nameContext()).thenReturn(mockedDeclaringNameContext);
  
      when(mockedDeclaringNameContext.originalName()).thenReturn("DummyDeclaringName");
  
      CounterFactory mockedCounterFactory = mock(CounterFactory.class);
      when(mockedExecutionContext.getCounterFactory()).thenReturn(mockedCounterFactory);
  
      Counter<Long, Long> mockedCounter = mock(Counter.class);
      when(mockedCounterFactory.longSum(any())).thenReturn(mockedCounter);
  
      when(mockedExecutionContext.getExecutionStateRegistry())
          .thenReturn(mock(DataflowExecutionStateRegistry.class));
  
      DataflowSideInputReadCounter testObject =
          new DataflowSideInputReadCounter(mockedExecutionContext, mockedOperationContext, siIndexId);
  
      testObject.addBytesRead(10l);
  
      verify(mockedCounter).addValue(10l);
    }
  
    @Test
    public void testEnterEntersStateIfCalledFromTrackedThread() {
      DataflowExecutionContext mockedExecutionContext = mock(DataflowExecutionContext.class);
      DataflowOperationContext mockedOperationContext = mock(DataflowOperationContext.class);
      final int siIndexId = 3;
  
      ExecutionStateTracker mockedExecutionStateTracker = mock(ExecutionStateTracker.class);
      when(mockedExecutionContext.getExecutionStateTracker()).thenReturn(mockedExecutionStateTracker);
  
      Thread mockedThreadObject = Thread.currentThread();
      when(mockedExecutionStateTracker.getTrackedThread()).thenReturn(mockedThreadObject);
  
      DataflowExecutionState mockedExecutionState = mock(DataflowExecutionState.class);
      when(mockedExecutionStateTracker.getCurrentState()).thenReturn(mockedExecutionState);
  
      NameContext mockedNameContext = mock(NameContext.class);
      when(mockedExecutionState.getStepName()).thenReturn(mockedNameContext);
  
      when(mockedNameContext.originalName()).thenReturn("DummyName");
  
      NameContext mockedDeclaringNameContext = mock(NameContext.class);
      when(mockedOperationContext.nameContext()).thenReturn(mockedDeclaringNameContext);
  
      when(mockedDeclaringNameContext.originalName()).thenReturn("DummyDeclaringName");
  
      CounterFactory mockedCounterFactory = mock(CounterFactory.class);
      when(mockedExecutionContext.getCounterFactory()).thenReturn(mockedCounterFactory);
  
      Counter<Long, Long> mockedCounter = mock(Counter.class);
      when(mockedCounterFactory.longSum(any())).thenReturn(mockedCounter);
  
      DataflowExecutionStateRegistry mockedExecutionStateRegistry =
          mock(DataflowExecutionStateRegistry.class);
      when(mockedExecutionContext.getExecutionStateRegistry())
          .thenReturn(mockedExecutionStateRegistry);
  
      DataflowExecutionState mockedCounterExecutionState = mock(DataflowExecutionState.class);
      when(mockedExecutionStateRegistry.getIOState(any(), any(), any(), any(), any(), any()))
          .thenReturn(mockedCounterExecutionState);
      DataflowSideInputReadCounter testObject =
          new DataflowSideInputReadCounter(mockedExecutionContext, mockedOperationContext, siIndexId);
  
      testObject.enter();
  
      verify(mockedExecutionStateTracker).enterState(mockedCounterExecutionState);
    }
  
    @Test
    public void testEnterDoesntEnterStateIfCalledFromDifferentThread() {
      DataflowExecutionContext mockedExecutionContext = mock(DataflowExecutionContext.class);
      DataflowOperationContext mockedOperationContext = mock(DataflowOperationContext.class);
      final int siIndexId = 3;
  
      ExecutionStateTracker mockedExecutionStateTracker = mock(ExecutionStateTracker.class);
      when(mockedExecutionContext.getExecutionStateTracker()).thenReturn(mockedExecutionStateTracker);
  
      Thread mockedThreadObject = mock(Thread.class);
      when(mockedExecutionStateTracker.getTrackedThread()).thenReturn(mockedThreadObject);
  
      DataflowExecutionState mockedExecutionState = mock(DataflowExecutionState.class);
      when(mockedExecutionStateTracker.getCurrentState()).thenReturn(mockedExecutionState);
  
      NameContext mockedNameContext = mock(NameContext.class);
      when(mockedExecutionState.getStepName()).thenReturn(mockedNameContext);
  
      when(mockedNameContext.originalName()).thenReturn("DummyName");
  
      NameContext mockedDeclaringNameContext = mock(NameContext.class);
      when(mockedOperationContext.nameContext()).thenReturn(mockedDeclaringNameContext);
  
      when(mockedDeclaringNameContext.originalName()).thenReturn("DummyDeclaringName");
  
      CounterFactory mockedCounterFactory = mock(CounterFactory.class);
      when(mockedExecutionContext.getCounterFactory()).thenReturn(mockedCounterFactory);
  
      Counter<Long, Long> mockedCounter = mock(Counter.class);
      when(mockedCounterFactory.longSum(any())).thenReturn(mockedCounter);
  
      DataflowExecutionStateRegistry mockedExecutionStateRegistry =
          mock(DataflowExecutionStateRegistry.class);
      when(mockedExecutionContext.getExecutionStateRegistry())
          .thenReturn(mockedExecutionStateRegistry);
  
      DataflowExecutionState mockedCounterExecutionState = mock(DataflowExecutionState.class);
      when(mockedExecutionStateRegistry.getIOState(any(), any(), any(), any(), any(), any()))
          .thenReturn(mockedCounterExecutionState);
      DataflowSideInputReadCounter testObject =
          new DataflowSideInputReadCounter(mockedExecutionContext, mockedOperationContext, siIndexId);
  
      testObject.enter();
  
      verify(mockedExecutionStateTracker, never()).enterState(any());
    }
  }
  