Use org.elasticsearch.index instead of root logger in logging tests

Author: prdoyle

server/src/test/java/org/elasticsearch/index/engine/InternalEngineTests.java

@@ -2534,11 +2534,11 @@ public void testIndexWriterInfoStream() throws IllegalAccessException, IOExcepti
         MockAppender mockAppender = new MockAppender("testIndexWriterInfoStream");
         mockAppender.start();
 
-        Logger rootLogger = LogManager.getRootLogger();
-        Level savedLevel = rootLogger.getLevel();
-        Loggers.addAppender(rootLogger, mockAppender);
-        Loggers.setLevel(rootLogger, Level.DEBUG);
-        rootLogger = LogManager.getRootLogger();
+        Logger theLogger = LogManager.getLogger("org.elasticsearch.index");
+        Level savedLevel = theLogger.getLevel();
+        Loggers.addAppender(theLogger, mockAppender);
+        Loggers.setLevel(theLogger, Level.DEBUG);
+        theLogger = LogManager.getRootLogger();
 
         try {
             // First, with DEBUG, which should NOT log IndexWriter output:
@@ -2548,15 +2548,15 @@ public void testIndexWriterInfoStream() throws IllegalAccessException, IOExcepti
             assertFalse(mockAppender.sawIndexWriterMessage);
 
             // Again, with TRACE, which should log IndexWriter output:
-            Loggers.setLevel(rootLogger, Level.TRACE);
+            Loggers.setLevel(theLogger, Level.TRACE);
             engine.index(indexForDoc(doc));
             engine.flush();
             assertTrue(mockAppender.sawIndexWriterMessage);
             engine.close();
         } finally {
-            Loggers.removeAppender(rootLogger, mockAppender);
+            Loggers.removeAppender(theLogger, mockAppender);
             mockAppender.stop();
-            Loggers.setLevel(rootLogger, savedLevel);
+            Loggers.setLevel(theLogger, savedLevel);
         }
     }
 
@@ -2596,10 +2596,10 @@ public void testMergeThreadLogging() throws Exception {
         final MockMergeThreadAppender mockAppender = new MockMergeThreadAppender("testMergeThreadLogging");
         mockAppender.start();
 
-        Logger rootLogger = LogManager.getRootLogger();
-        Level savedLevel = rootLogger.getLevel();
-        Loggers.addAppender(rootLogger, mockAppender);
-        Loggers.setLevel(rootLogger, Level.TRACE);
+        Logger theLogger = LogManager.getLogger("org.elasticsearch.index");
+        Level savedLevel = theLogger.getLevel();
+        Loggers.addAppender(theLogger, mockAppender);
+        Loggers.setLevel(theLogger, Level.TRACE);
         try {
             LogMergePolicy lmp = newLogMergePolicy();
             lmp.setMergeFactor(2);
@@ -2632,12 +2632,12 @@ public void testMergeThreadLogging() throws Exception {
                     assertThat(mockAppender.mergeCompleted(), is(true));
                 });
 
-                Loggers.setLevel(rootLogger, savedLevel);
+                Loggers.setLevel(theLogger, savedLevel);
                 engine.close();
             }
         } finally {
-            Loggers.setLevel(rootLogger, savedLevel);
-            Loggers.removeAppender(rootLogger, mockAppender);
+            Loggers.setLevel(theLogger, savedLevel);
+            Loggers.removeAppender(theLogger, mockAppender);
             mockAppender.stop();
         }
     }