/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2021, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.classic.pattern;
  
  import ch.qos.logback.classic.Level;
  import ch.qos.logback.classic.Logger;
  import ch.qos.logback.classic.LoggerContext;
  import ch.qos.logback.classic.spi.LoggingEvent;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.slf4j.event.KeyValuePair;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class KeyValuePairConverterTest {
      LoggerContext lc;
      KeyValuePairConverter converter;
      LoggingEvent event;
  
      @BeforeEach
      public void setUp() throws Exception {
          lc = new LoggerContext();
          converter = new KeyValuePairConverter();
          converter.start();
          event = createLoggingEvent();
      }
  
      @AfterEach
      public void tearDown() throws Exception {
          lc = null;
          converter.stop();
          converter = null;
      }
  
      @Test
      public void testWithNullKVPList() {
          // event.getKeyValuePairs().add(new KeyValuePair("k", "v"));
          String result = converter.convert(event);
          assertEquals("", result);
      }
  
      @Test
      public void testWithOnelKVP() {
          event.addKeyValuePair(new KeyValuePair("k", "v"));
          String result = converter.convert(event);
          assertEquals("k=\"v\"", result);
      }
  
      private LoggingEvent createLoggingEvent() {
          LoggingEvent le = new LoggingEvent(this.getClass().getName(), lc.getLogger(Logger.ROOT_LOGGER_NAME),
                  Level.DEBUG, "test message", null, null);
          return le;
      }
  }