BAEL-41: Added including tests:

- marker filter

logging/log4j2/src/test/java/com/baeldung/logging/log4j2/tests/ConsoleAppenderUsingPatternLayoutWithColorsTest.java

@@ -1,6 +1,8 @@
 package com.baeldung.logging.log4j2.tests;
 
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.Marker;
+import org.apache.logging.log4j.MarkerManager;
 import org.apache.logging.log4j.junit.LoggerContextRule;
 import org.junit.Rule;
 import org.junit.Test;
@@ -16,12 +18,21 @@ public class ConsoleAppenderUsingPatternLayoutWithColorsTest {
     @Test
     public void givenLoggerWithConsoleConfig_shouldLogToConsoleInColors() throws Exception {
         Logger logger = contextRule.getLogger(getClass().getSimpleName());
-        logger.trace("This is a colored message at TRACE level. This is the minimum visible level.");
+        logger.trace("This is a colored message at TRACE level.");
-        logger.debug("This is a colored message at DEBUG level.");
+        logger.debug("This is a colored message at DEBUG level. This is the minimum visible level.");
         logger.info("This is a colored message at INFO level.");
         logger.warn("This is a colored message at WARN level.");
         Exception e = new RuntimeException("This is only a test!");
         logger.error("This is a colored message at ERROR level.", e);
         logger.fatal("This is a colored message at FATAL level.");
     }
+
+    @Test
+    public void givenLoggerWithConsoleConfig_shouldFilterByMarker() throws Exception {
+        Logger logger = contextRule.getLogger("ConnTrace");
+        Marker appError = MarkerManager.getMarker("APP_ERROR");
+        logger.error(appError, "This marker message at ERROR level should be hidden.");
+        Marker connectionTrace = MarkerManager.getMarker("CONN_TRACE");
+        logger.trace(connectionTrace, "This is a marker message at TRACE level.");
+    }
 }

logging/log4j2/src/test/java/com/baeldung/logging/log4j2/tests/FileAppenderUsingJsonLayoutWithBurstFilterTest.java

@@ -1,33 +0,0 @@
-package com.baeldung.logging.log4j2.tests;
-
-import org.apache.logging.log4j.Logger;
-import org.apache.logging.log4j.junit.LoggerContextRule;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
-
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.concurrent.TimeUnit;
-
-import static org.junit.Assert.assertTrue;
-
-@RunWith(JUnit4.class)
-public class FileAppenderUsingJsonLayoutWithBurstFilterTest {
-
-    @Rule
-    public LoggerContextRule contextRule = new LoggerContextRule("log4j2-file-appender_json-layout_burst-filter.xml");
-
-    @Test
-    public void givenLoggerWithBurstFileConfig_shouldLogToJsonFile() throws Exception {
-        Logger logger = contextRule.getLogger(getClass().getSimpleName());
-        final int count = 88;
-        for (int i = 0; i < count; i++) {
-            logger.info("This is burst JSON message #{} at INFO level.", count);
-            TimeUnit.MILLISECONDS.sleep(100);
-        }
-        long logEventsCount = Files.lines(Paths.get("target/logfile-burst.json")).count();
-        assertTrue(logEventsCount > 0 && logEventsCount < count);
-    }
-}

logging/log4j2/src/test/resources/log4j2-async-file-appender_json-layout.xml

@@ -3,6 +3,7 @@
     <Appenders>
         <File name="JSONLogfileAppender" fileName="target/logfile.json">
             <JSONLayout compact="true" eventEol="true"/>
+            <BurstFilter level="INFO" rate="2" maxBurst="10"/>
         </File>
         <Async name="AsyncAppender" bufferSize="80">
             <AppenderRef ref="JSONLogfileAppender"/>

logging/log4j2/src/test/resources/log4j2-console-appender_pattern-layout.xml

@@ -2,9 +2,16 @@
 <Configuration status="WARN" xmlns:xi="http://www.w3.org/2001/XInclude">
     <Appenders>
         <xi:include href="log4j2-includes/console-appender_pattern-layout_colored.xml"/>
+        <Console name="ConsoleRedAppender" target="SYSTEM_OUT">
+            <PatternLayout pattern="%style{%message}{red}%n"/>
+            <MarkerFilter marker="CONN_TRACE"/>
+        </Console>
     </Appenders>
     <Loggers>
-        <Root level="TRACE">
+        <Logger name="ConnTrace" level="TRACE" additivity="false">
+            <AppenderRef ref="ConsoleRedAppender"/>
+        </Logger>
+        <Root level="DEBUG">
             <AppenderRef ref="ConsoleAppender"/>
         </Root>
     </Loggers>

logging/log4j2/src/test/resources/log4j2-file-appender_json-layout_burst-filter.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN">
-    <Appenders>
-        <File name="JSONLogfileAppender" fileName="target/logfile-burst.json">
-            <JSONLayout compact="true" eventEol="true"/>
-            <BurstFilter level="INFO" rate="2" maxBurst="10"/>
-        </File>
-    </Appenders>
-    <Loggers>
-        <Root level="INFO">
-            <AppenderRef ref="JSONLogfileAppender"/>
-        </Root>
-    </Loggers>
-</Configuration>