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 io.ray.streaming.state.keystate.state.impl;
  
  import io.ray.streaming.state.backend.KeyStateBackend;
  import io.ray.streaming.state.backend.impl.MemoryStateBackend;
  import io.ray.streaming.state.keystate.KeyGroup;
  import io.ray.streaming.state.keystate.desc.ValueStateDescriptor;
  import java.util.HashMap;
  import org.testng.Assert;
  import org.testng.annotations.BeforeClass;
  import org.testng.annotations.Test;
  
  public class ValueStateImplTest {
  
    ValueStateImpl<String> valueState;
    KeyStateBackend keyStateBackend;
  
    @BeforeClass
    public void setUp() throws Exception {
      keyStateBackend =
          new KeyStateBackend(1, new KeyGroup(1, 2), new MemoryStateBackend(new HashMap<>()));
      ValueStateDescriptor<String> descriptor =
          ValueStateDescriptor.build("ValueStateImplTest", String.class, "hello");
      descriptor.setTableName("table");
  
      valueState = (ValueStateImpl<String>) keyStateBackend.getValueState(descriptor);
    }
  
    @Test
    public void testUpdateGet() throws Exception {
      keyStateBackend.setContext(1L, 1);
  
      Assert.assertEquals(valueState.get(), "hello");
  
      String str = valueState.get();
  
      valueState.update(str + " world");
      Assert.assertEquals(valueState.get(), "hello world");
    }
  }
  