Chen He created HADOOP-13021:
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Summary: Hadoop swift driver unit test should use unique directory
each run
Key: HADOOP-13021
URL: https://issues.apache.org/jira/browse/HADOOP-13021
Project: Hadoop Common
Issue Type: Bug
Components: fs/swift
Affects Versions: 2.7.2
Reporter: Chen He
Assignee: Chen He
Since all "unit test" in swift package are actually functionality test, it
requires server's information in the core-site.xml file. However, multiple unit
test runs on difference machines using the same core-site.xml file will result
in some unit tests failure. For example:
In TestSwiftFileSystemBasicOps.java
public void testMkDir() throws Throwable {
Path path = new Path("/test/MkDir");
fs.mkdirs(path);
//success then -so try a recursive operation
fs.delete(path, true);
}
It is possible that machine A and B are running "mvn clean install" using same
core-site.xml file. However, machine A run testMkDir() first and delete the
dir, but machine B just tried to run fs.delete(path,true). It will report
failure. This is just an example. There are many similar cases in the unit test
sets. I would propose we use a unique dir for each unit test run instead of
using "Path path = new Path("/test/MkDir")" for all concurrent runs
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