/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.tools.logging.logback;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import ch.qos.logback.core.FileAppender;
  import ch.qos.logback.core.OutputStreamAppender;
  import ch.qos.logback.core.encoder.Encoder;
  import ch.qos.logback.core.encoder.LayoutWrappingEncoder;
  
  import com.codebox.bean.JavaBeanTester;
  
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Path;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * The Class LogbackAppenderAccessorTest.
   */
  class LogbackAppenderAccessorTest {
  
    private LogbackAppenderAccessor accessor;
    private LogbackLoggerAccessor loggerAccessor;
  
    @BeforeEach
    void setUp() {
      accessor = new LogbackAppenderAccessor();
      loggerAccessor = mock(LogbackLoggerAccessor.class);
      accessor.setLoggerAccessor(loggerAccessor);
    }
  
    @Test
    void testLoggerAccessor() {
      assertEquals(loggerAccessor, accessor.getLoggerAccessor());
    }
  
    @Test
    void testIsContext() {
      when(loggerAccessor.isContext()).thenReturn(true);
  
      assertEquals(true, accessor.isContext());
    }
  
    @Test
    void testIsRoot() {
      when(loggerAccessor.isRoot()).thenReturn(true);
  
      assertEquals(true, accessor.isRoot());
    }
  
    @Test
    void testGetName() {
      when(loggerAccessor.getName()).thenReturn("my.logger");
  
      assertEquals("my.logger", accessor.getName());
    }
  
    @Test
    void testGetLogType() {
      assertEquals("logback", accessor.getLogType());
    }
  
    @Test
    void testGetIndex() {
      Object target = mock(Object.class);
  
      accessor.setTarget(target);
  
      // getProperty() is inherited from AbstractLogDestination. The target needs to expose
      // a "name" bean property for this test, so use a real Logback appender.
      OutputStreamAppender<?> appender = new OutputStreamAppender<>();
      appender.setName("testAppender");
  
      accessor.setTarget(appender);
  
      assertEquals("testAppender", accessor.getIndex());
    }
  
    @Test
    void testGetIndexWhenNameIsNull() {
      OutputStreamAppender<?> appender = new OutputStreamAppender<>();
  
      accessor.setTarget(appender);
  
     assertNull(accessor.getIndex());
   }
 
   @Test
   void testGetFile() {
     FileAppender<?> appender = new FileAppender<>();
 
     Path expected = Path.of("logs").resolve("test.log");
     appender.setFile(expected.toString());
 
     accessor.setTarget(appender);
 
     assertEquals(expected, accessor.getFile().toPath());
   }
 
   @Test
   void testGetFileWhenFileIsNotConfigured() {
     String originalCatalinaBase = System.getProperty("catalina.base");
 
     try {
       System.setProperty("catalina.base",
           Path.of("target", "nonexistent-catalina-base").toString());
 
       OutputStreamAppender<?> appender = new OutputStreamAppender<>();
       appender.setName("testAppender");
 
       accessor.setTarget(appender);
 
       assertEquals(Path.of("stdout").toFile(), accessor.getFile());
     } finally {
       if (originalCatalinaBase == null) {
         System.clearProperty("catalina.base");
       } else {
         System.setProperty("catalina.base", originalCatalinaBase);
       }
     }
   }
 
   @Test
   void testGetEncoding() {
     OutputStreamAppender appender = mock(OutputStreamAppender.class);
     LayoutWrappingEncoder encoder = mock(LayoutWrappingEncoder.class);
 
     when(appender.getEncoder()).thenReturn(encoder);
     when(encoder.getCharset()).thenReturn(StandardCharsets.UTF_8);
 
     accessor.setTarget(appender);
 
     assertEquals("UTF-8", accessor.getEncoding());
   }
 
   @Test
   void testGetEncodingWhenCharsetIsNull() {
     OutputStreamAppender appender = mock(OutputStreamAppender.class);
     LayoutWrappingEncoder encoder = mock(LayoutWrappingEncoder.class);
 
     when(appender.getEncoder()).thenReturn(encoder);
     when(encoder.getCharset()).thenReturn(null);
 
     assertNull(accessor.getEncoding());
   }
 
   @Test
   void testGetEncodingWhenEncoderIsNotLayoutWrappingEncoder() {
     OutputStreamAppender appender = mock(OutputStreamAppender.class);
     Encoder encoder = mock(Encoder.class);
 
     when(appender.getEncoder()).thenReturn(encoder);
 
     accessor.setTarget(appender);
 
     assertNull(accessor.getEncoding());
   }
 
   @Test
   void testGetEncodingWhenTargetIsNotOutputStreamAppender() {
     accessor.setTarget(new Object());
 
     assertNull(accessor.getEncoding());
   }
 
   @Test
   void testGetLevel() {
     when(loggerAccessor.getLevel()).thenReturn("INFO");
 
     assertEquals("INFO", accessor.getLevel());
   }
 
   @Test
   void testGetValidLevels() {
     assertArrayEquals(new String[] {"OFF", "ERROR", "WARN", "INFO", "DEBUG", "TRACE", "ALL"},
         accessor.getValidLevels());
   }
 
   /**
    * Javabean tester.
    */
   @Test
   void javabeanTester() {
     JavaBeanTester.builder(LogbackAppenderAccessor.class).skip("level").test();
   }
 
 }