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 org.apache.camel.component.wal;
  
  import java.io.File;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.time.Instant;
  import java.util.List;
  import java.util.concurrent.TimeUnit;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Assumptions;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class LogWriterTest extends LogTestBase {
  
      @Test
      public void testReadWriteRecords() throws IOException {
          final List<Instant> values = Assertions.assertDoesNotThrow(() -> generateDataFilePredictable());
          File reportFile = new File(testDir, "test.data");
          Assumptions.assumeTrue(reportFile.exists());
  
          long total = TimeUnit.HOURS.toSeconds(1);
          try (LogReader reader = new LogReader(reportFile, (int) total * 100)) {
  
              Header fileHeader = reader.getHeader();
              assertEquals(Header.FORMAT_NAME, fileHeader.getFormatName().trim());
              assertEquals(Header.CURRENT_FILE_VERSION, fileHeader.getFileVersion());
  
              int count = 0;
              PersistedLogEntry entry = reader.readEntry();
              while (entry != null) {
                  if (entry != null) {
                      assertEquals(LogEntry.EntryState.NEW, entry.getEntryState());
                      assertEquals(0, entry.getKeyMetadata());
                      assertEquals(0, entry.getValueMetadata());
  
                      String key = new String(entry.getKey());
                      Assertions.assertEquals("record-" + count, key);
  
                      ByteBuffer buffer = ByteBuffer.wrap(entry.getValue());
                      Assertions.assertEquals(values.get(count).toEpochMilli(), buffer.getLong());
  
                      count++;
                  }
  
                  entry = reader.readEntry();
              }
  
              Assertions.assertEquals(TimeUnit.HOURS.toSeconds(1), count, "The number of records don't match");
          }
      }
  
  }
  