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.state.internals;
  
  import org.apache.kafka.streams.processor.StateStoreContext;
  import org.apache.kafka.streams.processor.TaskId;
  import org.apache.kafka.streams.query.FailureReason;
  import org.apache.kafka.streams.query.KeyQuery;
  import org.apache.kafka.streams.query.Position;
  import org.apache.kafka.streams.query.PositionBound;
  import org.apache.kafka.streams.query.QueryConfig;
  import org.apache.kafka.streams.query.QueryResult;
  import org.apache.kafka.streams.state.KeyValueStore;
  
  import org.junit.jupiter.api.Test;
  import org.mockito.Mockito;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.is;
  
  public class StoreQueryUtilsTest {
  
      @Test
      public void shouldReturnErrorOnNullContext() {
          @SuppressWarnings("unchecked") final KeyQuery<String, Integer> query =
              Mockito.mock(KeyQuery.class);
          @SuppressWarnings("unchecked") final KeyValueStore<String, Integer> store =
              Mockito.mock(KeyValueStore.class);
          final Position position = Position.emptyPosition().withComponent("topic", 0, 1);
          final QueryResult<Integer> queryResult = StoreQueryUtils.handleBasicQueries(
              query,
              PositionBound.at(position),
              new QueryConfig(false),
              store,
              position,
              null
          );
          assertThat(queryResult.isFailure(), is(true));
          assertThat(queryResult.getFailureReason(), is(FailureReason.NOT_UP_TO_BOUND));
          assertThat(
              queryResult.getFailureMessage(),
              is("The store is not initialized yet, so it is not yet up to the bound"
                     + " PositionBound{position=Position{position={topic={0=1}}}}")
          );
      }
  
      @Test
      public void shouldReturnErrorOnBoundViolation() {
          @SuppressWarnings("unchecked") final KeyQuery<String, Integer> query =
              Mockito.mock(KeyQuery.class);
          @SuppressWarnings("unchecked") final KeyValueStore<String, Integer> store =
              Mockito.mock(KeyValueStore.class);
          final StateStoreContext context = Mockito.mock(StateStoreContext.class);
          Mockito.when(context.taskId()).thenReturn(new TaskId(0, 0));
          final QueryResult<Integer> queryResult = StoreQueryUtils.handleBasicQueries(
              query,
              PositionBound.at(Position.emptyPosition().withComponent("topic", 0, 1)),
              new QueryConfig(false),
              store,
              Position.emptyPosition().withComponent("topic", 0, 0),
              context
          );
  
          assertThat(queryResult.isFailure(), is(true));
          assertThat(queryResult.getFailureReason(), is(FailureReason.NOT_UP_TO_BOUND));
          assertThat(
              queryResult.getFailureMessage(),
              is("For store partition 0, the current position Position{position={topic={0=0}}}"
                     + " is not yet up to the bound"
                     + " PositionBound{position=Position{position={topic={0=1}}}}")
          );
      }
  }
  