/*
 * 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.ambari.server.controller.logging;


import static org.junit.Assert.assertEquals;

import java.io.StringReader;

import org.junit.Test;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.AnnotationIntrospector;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectReader;
import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;

public class LogLineResultTest {

  private static final String TEST_JSON_DATA_SINGLE_ENTRY =
    "{" +

      "    \"cluster\" : \"clusterone\"," +
      "    \"method\" : \"chooseUnderReplicatedBlocks\"," +
      "    \"level\" : \"INFO\"," +
      "    \"event_count\" : 1," +
      "    \"ip\" : \"192.168.1.1\"," +
      "    \"type\" : \"hdfs_namenode\"," +
      "    \"thread_name\" : \"thread-id-one\"," +
      "    \"seq_num\" : 10584," +
      "    \"path\" : \"/var/log/hadoop/hdfs/hadoop-hdfs-namenode-c6401.ambari.apache.org.log\"," +
      "    \"file\" : \"UnderReplicatedBlocks.java\"," +
      "    \"line_number\" : 394," +
      "    \"host\" : \"c6401.ambari.apache.org\"," +
      "    \"log_message\" : \"chooseUnderReplicatedBlocks selected 2 blocks at priority level 0;  Total=2 Reset bookmarks? false\"," +
      "    \"logger_name\" : \"BlockStateChange\"," +
      "    \"id\" : \"9c5562fb-123f-47c8-aaf5-b5e407326c08\"," +
      "    \"message_md5\" : \"-3892769501348410581\"," +
      "    \"logtime\" : 1458148749036," +
      "    \"event_md5\" : \"1458148749036-2417481968206345035\"," +
      "    \"logfile_line_number\" : 2084," +
      "    \"_ttl_\" : \"+7DAYS\"," +
      "    \"_expire_at_\" : 1458753550322," +
      "    \"_version_\" : 1528979784023932928" +
      "  }";



  @Test
  public void testBasicParsing() throws Exception {
    // setup a reader for the test JSON data
    StringReader stringReader =
      new StringReader(TEST_JSON_DATA_SINGLE_ENTRY);

    // setup the Jackson mapper/reader to read in the data structure
    ObjectMapper mapper =
      new ObjectMapper();
    AnnotationIntrospector introspector =
      new JacksonAnnotationIntrospector();
    mapper.setAnnotationIntrospector(introspector);
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);


    ObjectReader logLineResultReader =
      mapper.reader(LogLineResult.class);

    LogLineResult result =
      logLineResultReader.readValue(stringReader);

    // verify that all fields in this class are parsed as expected
    assertEquals("Cluster name not parsed properly",
      "clusterone", result.getClusterName());
    assertEquals("Method Name not parsed properly",
      "chooseUnderReplicatedBlocks", result.getLogMethod());
    assertEquals("Log Level not parsed properly",
      "INFO", result.getLogLevel());
    assertEquals("event_count not parsed properly",
      "1", result.getEventCount());
    assertEquals("ip address not parsed properly",
      "192.168.1.1", result.getIpAddress());
    assertEquals("component type not parsed properly",
      "hdfs_namenode", result.getComponentType());
    assertEquals("sequence number not parsed properly",
      "10584", result.getSequenceNumber());
    assertEquals("log file path not parsed properly",
      "/var/log/hadoop/hdfs/hadoop-hdfs-namenode-c6401.ambari.apache.org.log", result.getLogFilePath());
    assertEquals("log src file name not parsed properly",
      "UnderReplicatedBlocks.java", result.getSourceFile());
    assertEquals("log src line number not parsed properly",
      "394", result.getSourceFileLineNumber());
    assertEquals("host name not parsed properly",
      "c6401.ambari.apache.org", result.getHostName());
    assertEquals("log message not parsed properly",
      "chooseUnderReplicatedBlocks selected 2 blocks at priority level 0;  Total=2 Reset bookmarks? false", result.getLogMessage());
    assertEquals("logger name not parsed properly",
      "BlockStateChange", result.getLoggerName());
    assertEquals("id not parsed properly",
      "9c5562fb-123f-47c8-aaf5-b5e407326c08", result.getId());
    assertEquals("message MD5 not parsed properly",
      "-3892769501348410581", result.getMessageMD5());
    assertEquals("log time not parsed properly",
      "1458148749036", result.getLogTime());
    assertEquals("event MD5 not parsed properly",
      "1458148749036-2417481968206345035", result.getEventMD5());
    assertEquals("logfile line number not parsed properly",
      "2084", result.getLogFileLineNumber());
    assertEquals("ttl not parsed properly",
      "+7DAYS", result.getTtl());
    assertEquals("expire at not parsed properly",
      "1458753550322", result.getExpirationTime());
    assertEquals("version not parsed properly",
      "1528979784023932928", result.getVersion());
    assertEquals("thread_name not parsed properly",
      "thread-id-one", result.getThreadName());

  }


}
