YARN-6239. Fix javadoc warnings in YARN that caused by deprecated FileSystem APIs. Contributed by Yiqun Lin.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestFileSystemApplicationHistoryStore.java

@@ -35,6 +35,7 @@ import static org.mockito.Mockito.verify;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.RawLocalFileSystem;
@@ -49,6 +50,7 @@ import org.apache.hadoop.yarn.server.applicationhistoryservice.records.Container
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+import org.mockito.Mockito;
 
 public class TestFileSystemApplicationHistoryStore extends
     ApplicationHistoryStoreTestUtils {
@@ -271,7 +273,9 @@ public class TestFileSystemApplicationHistoryStore extends
 
     // Setup file system to inject startup conditions
     FileSystem fs = spy(new RawLocalFileSystem());
-    doReturn(true).when(fs).isDirectory(any(Path.class));
+    FileStatus fileStatus = Mockito.mock(FileStatus.class);
+    doReturn(true).when(fileStatus).isDirectory();
+    doReturn(fileStatus).when(fs).getFileStatus(any(Path.class));
 
     try {
       initAndStartStore(fs);
@@ -280,7 +284,7 @@ public class TestFileSystemApplicationHistoryStore extends
     }
 
     // Make sure that directory creation was not attempted
-    verify(fs, never()).isDirectory(any(Path.class));
+    verify(fileStatus, never()).isDirectory();
     verify(fs, times(1)).mkdirs(any(Path.class));
   }
 
@@ -291,7 +295,9 @@ public class TestFileSystemApplicationHistoryStore extends
 
     // Setup file system to inject startup conditions
     FileSystem fs = spy(new RawLocalFileSystem());
-    doReturn(false).when(fs).isDirectory(any(Path.class));
+    FileStatus fileStatus = Mockito.mock(FileStatus.class);
+    doReturn(false).when(fileStatus).isDirectory();
+    doReturn(fileStatus).when(fs).getFileStatus(any(Path.class));
     doThrow(new IOException()).when(fs).mkdirs(any(Path.class));
 
     try {
@@ -302,7 +308,7 @@ public class TestFileSystemApplicationHistoryStore extends
     }
 
     // Make sure that directory creation was attempted
-    verify(fs, never()).isDirectory(any(Path.class));
+    verify(fileStatus, never()).isDirectory();
     verify(fs, times(1)).mkdirs(any(Path.class));
   }
 }