amahussein commented on a change in pull request #2722:
URL: https://github.com/apache/hadoop/pull/2722#discussion_r582374895
##########
File path:
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
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@@ -229,6 +229,31 @@ public static int uniqueSequenceId() {
return sequence.incrementAndGet();
}
+ /**
+ * Creates a directory for the data/logs of the unit test.
+ * It first delete the directory if it exists.
+ *
+ * @param testClass the unit test class.
+ * @param defaultTargetRootDir the directory where the class directory is
+ * created.
+ * @return the Path of the root directory.
+ */
+ public static Path setupTestRootDir(Class<?> testClass,
+ String defaultTargetRootDir) {
+ // setup the test root directory
+ String targetTestDir =
+ System.getProperty(SYSPROP_TEST_DATA_DIR, defaultTargetRootDir);
+ Path testRootDirPath =
+ new Path(targetTestDir, testClass.getSimpleName());
+ System.setProperty(GenericTestUtils.SYSPROP_TEST_DATA_DIR,
+ testRootDirPath.toString());
Review comment:
Also, if I do not set this property, the diff will be very large to get
around it.
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