/*
    * 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.maven.plugin.surefire.log.api;
  
  import java.io.ByteArrayOutputStream;
  import java.io.PrintStream;
  
  import org.junit.Test;
  import org.mockito.ArgumentCaptor;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  /**
   * Tests for {@link ConsoleLoggerDecorator}, {@link NullConsoleLogger} and {@link PrintStreamLogger}.
   */
  public class LoggersTest {
      @Test
      public void testPrintStreamLogger() {
          ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
          PrintStream printStream = new PrintStream(outputStream);
          PrintStreamLogger logger = new PrintStreamLogger(printStream);
  
          assertThat(logger.isErrorEnabled()).isTrue();
          assertThat(logger.isWarnEnabled()).isTrue();
          assertThat(logger.isInfoEnabled()).isTrue();
          assertThat(logger.isDebugEnabled()).isTrue();
  
          logger.error("error");
          logger.debug("debug");
          logger.info("info");
          logger.warning("warning");
  
          String line = System.lineSeparator();
          assertThat(outputStream.toString())
                  .isEqualTo("error" + line + "debug" + line + "info" + line + "warning" + line);
  
          Exception e = new Exception("exception");
          outputStream.reset();
          logger.error(e);
          assertThat(outputStream.toString())
                  .contains("java.lang.Exception: exception")
                  .contains("at " + getClass().getName() + ".testPrintStreamLogger(LoggersTest.java");
      }
  
      @Test(expected = NullPointerException.class)
      public void shouldThrowNPE() {
          new ConsoleLoggerDecorator(null);
      }
  
      @Test
      public void testDecorator() {
          ConsoleLogger logger = mock(ConsoleLogger.class);
          ConsoleLoggerDecorator decorator = new ConsoleLoggerDecorator(logger);
  
          assertThat(decorator.isDebugEnabled()).isFalse();
          when(logger.isDebugEnabled()).thenReturn(true);
          assertThat(decorator.isDebugEnabled()).isTrue();
  
          assertThat(decorator.isInfoEnabled()).isFalse();
          when(logger.isInfoEnabled()).thenReturn(true);
          assertThat(decorator.isInfoEnabled()).isTrue();
  
          assertThat(decorator.isWarnEnabled()).isFalse();
          when(logger.isWarnEnabled()).thenReturn(true);
          assertThat(decorator.isWarnEnabled()).isTrue();
  
          assertThat(decorator.isErrorEnabled()).isFalse();
          when(logger.isErrorEnabled()).thenReturn(true);
          assertThat(decorator.isErrorEnabled()).isTrue();
  
          ArgumentCaptor<String> argumentMsg = ArgumentCaptor.forClass(String.class);
          decorator.debug("debug");
          verify(logger, times(1)).debug(argumentMsg.capture());
          assertThat(argumentMsg.getAllValues()).hasSize(1);
          assertThat(argumentMsg.getAllValues().get(0)).isEqualTo("debug");
  
          argumentMsg = ArgumentCaptor.forClass(String.class);
          decorator.info("info");
          verify(logger, times(1)).info(argumentMsg.capture());
         assertThat(argumentMsg.getAllValues()).hasSize(1);
         assertThat(argumentMsg.getAllValues().get(0)).isEqualTo("info");
 
         argumentMsg = ArgumentCaptor.forClass(String.class);
         decorator.warning("warning");
         verify(logger, times(1)).warning(argumentMsg.capture());
         assertThat(argumentMsg.getAllValues()).hasSize(1);
         assertThat(argumentMsg.getAllValues().get(0)).isEqualTo("warning");
 
         argumentMsg = ArgumentCaptor.forClass(String.class);
         decorator.error("error");
         verify(logger, times(1)).error(argumentMsg.capture());
         assertThat(argumentMsg.getAllValues()).hasSize(1);
         assertThat(argumentMsg.getAllValues().get(0)).isEqualTo("error");
 
         ArgumentCaptor<Throwable> argumentThrowable = ArgumentCaptor.forClass(Throwable.class);
         argumentMsg = ArgumentCaptor.forClass(String.class);
         Exception e = new Exception();
         decorator.error("error", e);
         verify(logger, times(1)).error(argumentMsg.capture(), argumentThrowable.capture());
         assertThat(argumentMsg.getAllValues()).hasSize(1);
         assertThat(argumentMsg.getAllValues().get(0)).isEqualTo("error");
         assertThat(argumentThrowable.getAllValues()).hasSize(1);
         assertThat(argumentThrowable.getAllValues().get(0)).isSameAs(e);
 
         argumentThrowable = ArgumentCaptor.forClass(Throwable.class);
         decorator.error(e);
         verify(logger, times(1)).error(argumentThrowable.capture());
         assertThat(argumentThrowable.getAllValues()).hasSize(1);
         assertThat(argumentThrowable.getAllValues().get(0)).isSameAs(e);
     }
 }