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   * 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.camel.quarkus.component.leveldb.it;
  
  import java.io.ByteArrayOutputStream;
  import java.io.File;
  import java.io.InputStream;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  
  import io.quarkus.test.junit.QuarkusTest;
  import io.restassured.RestAssured;
  import io.restassured.common.mapper.TypeRef;
  import io.restassured.http.ContentType;
  import io.restassured.specification.RequestSpecification;
  import org.apache.camel.Exchange;
  import org.apache.commons.io.FileUtils;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @QuarkusTest
  class LeveldbTest {
  
      @Test
      public void testAggregate() {
          Map<String, List<Map<String, Object>>> data = testAggregate(LeveldbRouteBuilder.DIRECT_START,
                  Arrays.asList("S", "H", "E", "L", "D", "O", "N"));
  
          List<Map<String, Object>> resultData = data.get(LeveldbRouteBuilder.MOCK_RESULT);
  
          assertEquals("direct://start", resultData.get(0).get(LeveldbResource.PARAMETER_FROM_ENDPOINT));
      }
  
      @Test
      public void testAggregateRecovery() {
          Map<String, List<Map<String, Object>>> data = testAggregate(LeveldbRouteBuilder.DIRECT_START_WITH_FAILURE,
                  Arrays.asList("S", "H", "E", "L", "D", "O", "N"));
  
          List<Map<String, Object>> resultData = data.get(LeveldbRouteBuilder.MOCK_RESULT);
  
          assertEquals(Boolean.TRUE, resultData.get(0).get(Exchange.REDELIVERED));
          assertEquals(2, resultData.get(0).get(Exchange.REDELIVERY_COUNTER));
          assertEquals("direct://startWithFailure", resultData.get(0).get(LeveldbResource.PARAMETER_FROM_ENDPOINT));
      }
  
      @Test
      public void testDeadLetter() {
          Map<String, List<Map<String, Object>>> data = testAggregate(LeveldbRouteBuilder.DIRECT_START_DEAD_LETTER,
                  Arrays.asList("S", "H", "E", "L", "D", "O", "N"),
                  LeveldbRouteBuilder.MOCK_DEAD + "," + LeveldbRouteBuilder.MOCK_RESULT + ","
                          + LeveldbRouteBuilder.MOCK_AGGREGATED);
  
          List<Map<String, Object>> deadData = data.get(LeveldbRouteBuilder.MOCK_DEAD);
          List<Map<String, Object>> resultData = data.get(LeveldbRouteBuilder.MOCK_RESULT);
          List<Map<String, Object>> agreggatedData = data.get(LeveldbRouteBuilder.MOCK_AGGREGATED);
  
          assertTrue(resultData.isEmpty());
  
          assertFalse(agreggatedData.get(0).containsKey(Exchange.REDELIVERED));
          assertEquals(Boolean.TRUE, agreggatedData.get(1).containsKey(Exchange.REDELIVERED));
          assertEquals(1, agreggatedData.get(1).get(Exchange.REDELIVERY_COUNTER));
          assertEquals(3, agreggatedData.get(1).get(Exchange.REDELIVERY_MAX_COUNTER));
          assertEquals(Boolean.TRUE, agreggatedData.get(2).containsKey(Exchange.REDELIVERED));
          assertEquals(2, agreggatedData.get(2).get(Exchange.REDELIVERY_COUNTER));
          assertEquals(3, agreggatedData.get(2).get(Exchange.REDELIVERY_MAX_COUNTER));
          assertEquals(Boolean.TRUE, agreggatedData.get(3).containsKey(Exchange.REDELIVERED));
          assertEquals(3, agreggatedData.get(3).get(Exchange.REDELIVERY_COUNTER));
          assertEquals(3, agreggatedData.get(3).get(Exchange.REDELIVERY_MAX_COUNTER));
  
          assertEquals(Boolean.TRUE, deadData.get(0).containsKey(Exchange.REDELIVERED));
          assertEquals(3, deadData.get(0).get(Exchange.REDELIVERY_COUNTER));
          assertFalse(deadData.get(0).containsKey(Exchange.REDELIVERY_MAX_COUNTER));
      }
  
      @Test
      public void testBinaryData() {
  
          boolean theSame = RestAssured.given()
                  .contentType(ContentType.JSON)
                  .body(Arrays.asList("ab", "Sheldon", "cde"))
                  .post("/leveldb/aggregateBinary")
                  .then()
                  .statusCode(201)
                  .extract().as(Boolean.class);
  
          assertTrue(theSame);
      }
  
      private Map<String, List<Map<String, Object>>> testAggregate(String path, List<String> messages) {
          return testAggregate(path, messages, null);
      }
  
      private Map<String, List<Map<String, Object>>> testAggregate(String path, List<String> messages, String mocks) {
          RequestSpecification rs = RestAssured.given()
                  .queryParam("path", path);
  
          if (mocks != null) {
              rs = rs.queryParam("mocks", mocks);
          }
  
          return rs.contentType(ContentType.JSON)
                  .body(messages)
                  .post("/leveldb/aggregate")
                  .then()
                  .statusCode(201)
                  .extract()
                  .as(new TypeRef<>() {
                  });
      }
  
      @AfterAll
      public static void afterAll() throws Exception {
          File data = new File(LeveldbRouteBuilder.DATA_FOLDER);
          FileUtils.deleteDirectory(data);
      }
  
      static byte[] readBytes(InputStream is) throws Exception {
          ByteArrayOutputStream os = new ByteArrayOutputStream();
          byte[] buffer = new byte[4096];
          int len;
          while ((len = is.read(buffer)) != -1) {
              os.write(buffer, 0, len);
          }
          return os.toByteArray();
      }
  
  }
  