content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * 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 me.ahoo.cosid.segment.grouped;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.*;
  
  import me.ahoo.cosid.segment.IdSegmentDistributor;
  import me.ahoo.cosid.segment.IdSegmentDistributorDefinition;
  import me.ahoo.cosid.segment.IdSegmentDistributorFactory;
  
  import org.junit.jupiter.api.Test;
  
  class DefaultGroupedIdSegmentDistributorTest {
      
      @Test
      void ensureGrouped() {
          MockGroupBySupplier groupedSupplier = new MockGroupBySupplier(GroupedKey.forever("group-1"));
          IdSegmentDistributorDefinition definition = new IdSegmentDistributorDefinition("ns", "n", 0, 1);
          IdSegmentDistributorFactory actual = definition1 -> new IdSegmentDistributor.Mock();
          DefaultGroupedIdSegmentDistributor distributor = new DefaultGroupedIdSegmentDistributor(groupedSupplier, definition, actual);
          long maxId1 = distributor.nextMaxId(1);
          assertThat(maxId1, equalTo(1L));
          long maxId2 = distributor.nextMaxId(1);
          assertThat(maxId2, equalTo(2L));
          assertThat(distributor.groupBySupplier().get().getKey(), equalTo("group-1"));
          
          groupedSupplier.setGroup(GroupedKey.forever("group-2"));
          maxId1 = distributor.nextMaxId(1);
          assertThat(maxId1, equalTo(1L));
          maxId2 = distributor.nextMaxId(1);
          assertThat(maxId2, equalTo(2L));
          assertThat(distributor.groupBySupplier().get().getKey(), equalTo("group-2"));
      }
      
      public static class MockGroupBySupplier implements GroupBySupplier {
          private GroupedKey group;
          
          public MockGroupBySupplier(GroupedKey group) {
              this.group = group;
          }
          
          public GroupedKey getGroup() {
              return group;
          }
          
          public MockGroupBySupplier setGroup(GroupedKey group) {
              this.group = group;
              return this;
          }
          
          @Override
          public GroupedKey get() {
              return group;
          }
      }
  }