From bb398f78cc38a32533d5bbba034765376c99c507 Mon Sep 17 00:00:00 2001
From: daimin <daimin@outlook.com>
Date: Wed, 11 May 2022 07:56:53 +0800
Subject: [PATCH] Fix TestDFSStripedInputStreamWithRandomECPolicy (#4296)

---
 .../org/apache/hadoop/hdfs/TestDFSStripedInputStream.java  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStream.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStream.java
index 12cfd49a0b..2369d42482 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStream.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedInputStream.java
@@ -669,7 +669,12 @@ public void testUnbuffer() throws Exception {
 
   @Test
   public void testBlockReader() throws Exception {
-    ecPolicy = StripedFileTestUtil.getDefaultECPolicy(); // RS-6-3-1024k
+    ErasureCodingPolicy targetPolicy = StripedFileTestUtil.getDefaultECPolicy(); // RS-6-3-1024k
+    if (!ecPolicy.equals(targetPolicy)) {
+      // Be sure not affected by random EC policy from
+      // TestDFSStripedInputStreamWithRandomECPolicy.
+      return;
+    }
     int fileSize = 19 * cellSize + 100;
     long stripeSize = (long) dataBlocks * cellSize;
     byte[] bytes = StripedFileTestUtil.generateBytes(fileSize);