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.chroma.vectorstore;
  
  import java.util.HashMap;
  import java.util.List;
  
  import com.alibaba.langengine.core.docloader.UnstructuredTxtLoader;
  import com.alibaba.langengine.core.embeddings.FakeEmbeddings;
  import com.alibaba.langengine.core.indexes.Document;
  import com.alibaba.langengine.core.textsplitter.RecursiveCharacterTextSplitter;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * @author aihe.ah
   * @time 2023/12/14
   * 功能说明：
   */
  public class ChromaTest {
  
      @Test
      public void testAddDocuments() throws Exception {
  
          Chroma chroma = new Chroma(
              "http://127.0.0.1:8000", new FakeEmbeddings(),
              "collectionId"
          );
  
          RecursiveCharacterTextSplitter textSplitter = new RecursiveCharacterTextSplitter();
          textSplitter.setMaxChunkSize(1000);
          UnstructuredTxtLoader unstructuredTxtLoader = new UnstructuredTxtLoader("langengine.properties",
              textSplitter);
          HashMap<String, Object> metadata = new HashMap<>();
          metadata.put("source", "example_data/state_of_the_union.txt");
          unstructuredTxtLoader.setMetadata(metadata);
          List<Document> documents = unstructuredTxtLoader.load();
  
          chroma.addDocuments(documents);
  
      }
  
      @Test
      public void testSimilaritySearch() throws Exception {
          Chroma chroma = new Chroma(
              "http://127.0.0.1:8000"
              , new FakeEmbeddings(),
              "collectionId"
          );
  
          RecursiveCharacterTextSplitter textSplitter = new RecursiveCharacterTextSplitter();
          textSplitter.setMaxChunkSize(1000);
          UnstructuredTxtLoader unstructuredTxtLoader = new UnstructuredTxtLoader("langengine.properties",
              textSplitter);
          HashMap<String, Object> metadata = new HashMap<>();
          metadata.put("source", "example_data/state_of_the_union.txt");
          unstructuredTxtLoader.setMetadata(metadata);
          List<Document> documents = unstructuredTxtLoader.load();
  
          List<Document> hgpostcn = chroma.similaritySearch(
              "hgpostcn",
              5
          );
          hgpostcn.forEach(document -> {
              System.out.println(document.getUniqueId());
              System.out.println(document.getScore());
              System.out.println(document.getMetadata());
              System.out.println(document.getPageContent());
          });
      }
  
  }
  
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