content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * 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 com.alibaba.langengine.core.vectorstore;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.langengine.core.embeddings.FakeEmbeddings;
  import com.alibaba.langengine.core.indexes.VectorStoreRetriever;
  import com.alibaba.langengine.core.memory.impl.VectorStoreRetrieverMemory;
  import com.alibaba.langengine.core.vectorstore.memory.InMemoryDB;
  import org.junit.jupiter.api.Test;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class VectorStoreRetrieverMemoryTest {
  
      @Test
      public void test_loadMemoryVariables() {
          // success
          InMemoryDB inMemoryDB = new InMemoryDB();
          inMemoryDB.setEmbedding(new FakeEmbeddings());
          VectorStoreRetriever retriever = (VectorStoreRetriever) inMemoryDB.asRetriever();
          retriever.setRecommendCount(1);
          VectorStoreRetrieverMemory memory = new VectorStoreRetrieverMemory();
          memory.setRetriever(retriever);
  
          Map<String, Object> inputs = new HashMap<>();
          Map<String, Object> outputs = new HashMap<>();
  
          inputs.put("input", "My favorite food is pizza");
          outputs.put("output", "that's good to know");
          memory.saveContext(inputs, outputs);
  
          inputs.put("input", "My favorite sport is soccer");
          outputs.put("output", "...");
          memory.saveContext(inputs, outputs);
  
          inputs.put("input", "I don't the Celtics");
          outputs.put("output", "ok");
          memory.saveContext(inputs, outputs);
  
          Map<String, Object> variables = new HashMap<>();
          variables.put("input", "what sport should i watch?");
          Map<String, Object> response = memory.loadMemoryVariables(variables);
  
          System.out.println(JSON.toJSONString(response));
      }
  }
  