Log4jFileAppenderTest.java

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 * Pentaho Data Integration
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 * Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.pentaho.di.core.logging;

import static org.mockito.Matchers.anyBoolean;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.io.OutputStream;

import org.apache.commons.vfs2.FileContent;
import org.apache.commons.vfs2.FileObject;
import org.apache.log4j.Appender;
import org.apache.log4j.Layout;
import org.apache.log4j.spi.LoggingEvent;
import org.junit.Before;
import org.junit.Test;
import org.pentaho.di.core.Const;

public class Log4jFileAppenderTest extends Log4jAppenderTest {

  private Log4jFileAppender log4jFileAppender;

  private OutputStream outputStream;

  @Before
  public void before() throws IOException {
    outputStream = mock( OutputStream.class );
    FileContent fileContent = mock( FileContent.class );
    when( fileContent.getOutputStream( anyBoolean() ) ).thenReturn( outputStream );
    FileObject file = mock( FileObject.class );
    when( file.getContent() ).thenReturn( fileContent );
    log4jFileAppender = new Log4jFileAppender( file );
  }

  @Test
  public void doAppend() throws IOException {
    LoggingEvent loggingEvent = mock( LoggingEvent.class );
    Layout testLayout = mock( Layout.class );
    when( testLayout.format( loggingEvent ) ).thenReturn( "LOG_TEST_LINE" );
    log4jFileAppender.setLayout( testLayout );
    log4jFileAppender.doAppend( loggingEvent );
    verify( outputStream ).write( ( "LOG_TEST_LINE" + Const.CR ).getBytes() );
  }

  @Test
  public void close() throws IOException {
    log4jFileAppender.close();
    verify( outputStream ).close();
  }

  @Override
  public Appender getAppender() {
    return log4jFileAppender;
  }

}