tomscut commented on code in PR #4697:
URL: https://github.com/apache/hadoop/pull/4697#discussion_r1005121344
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hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java:
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@@ -3043,6 +3044,101 @@ public void testAppendToFileBadArgs() throws Exception {
assertThat(res, not(0));
}
+ @Test (timeout = 300000)
+ public void testAppendToFileWithOptionN() throws Exception {
+ final int inputFileLength = 1024 * 1024;
+ File testRoot = new File(TEST_ROOT_DIR, "testAppendToFileWithOptionN");
+ testRoot.mkdirs();
+
+ File file1 = new File(testRoot, "file1");
+ createLocalFileWithRandomData(inputFileLength, file1);
+
+ Configuration conf = new HdfsConfiguration();
+ MiniDFSCluster cluster = new
MiniDFSCluster.Builder(conf).numDataNodes(6).build();
+ cluster.waitActive();
+
+ try {
Review Comment:
```suggestion
try (MiniDFSCluster cluster = new
MiniDFSCluster.Builder(conf).numDataNodes(6).build()){
```
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