[GitHub] [hadoop] umamaheswararao commented on a change in pull request #2107: HDFS-15430. create should work when parent dir is internalDir and fallback configured.

[GitBox <gi...@apache.org>]

umamaheswararao commented on a change in pull request #2107:
URL: https://github.com/apache/hadoop/pull/2107#discussion_r448050609



##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemLinkFallback.java
##########
@@ -765,4 +766,154 @@ public void testMkdirsShouldReturnFalseWhenFallbackFSNotAvailable()
       assertTrue(fsTarget.exists(test));
     }
   }
+
+  /**
+   * Tests that the create file should be successful when the parent directory
+   * is same as the existent fallback directory. The new file should be created
+   * in fallback.
+   */
+  @Test
+  public void testCreateFileOnInternalMountDirWithSameDirTreeExistInFallback()
+      throws Exception {
+    Configuration conf = new Configuration();
+    ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
+        new Path(targetTestRoot.toString()).toUri());
+    Path dir1 = new Path(targetTestRoot,
+        "fallbackDir/user1/hive/warehouse/partition-0");
+    fsTarget.mkdirs(dir1);
+    Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");

Review comment:
       Done. Thanks




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