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https://issues.apache.org/jira/browse/HDDS-1886?focusedWorklogId=286580&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-286580
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ASF GitHub Bot logged work on HDDS-1886:
----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Aug/19 09:34
Start Date: 01/Aug/19 09:34
Worklog Time Spent: 10m
Work Description: adoroszlai commented on pull request #1205: HDDS-1886.
Use ArrayList#clear to address audit failure scenario
URL: https://github.com/apache/hadoop/pull/1205#discussion_r309608143
##########
File path:
hadoop-hdds/common/src/test/java/org/apache/hadoop/ozone/audit/TestOzoneAuditLogger.java
##########
@@ -153,7 +153,7 @@ private void verifyLog(String expected) throws IOException
{
assertTrue(lines.size() != 0);
assertTrue(expected.equalsIgnoreCase(lines.get(0)));
//empty the file
- lines.remove(0);
+ lines.clear();
Review comment:
@dineshchitlangia good idea to avoid unnecessary assumptions.
Here are some further suggestions:
1. Wrap assertions and cleanup in `try` and `finally`, respectively.
Otherwise a failed assertion would cause all further independent test cases to
also fail due to leftover content in the file. (This one is not specific to
multi-line cases.)
2. Make `verifyLog` accept `String...` and check each expected line. Also,
retry reading the file until it has enough lines instead of being non-empty.
3. I think using `assertEquals` would make it easier to spot differences
between expected and actual values. (I'm not sure case-ignorance is really
important. Currently the test passes with strict case check, too.)
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Issue Time Tracking
-------------------
Worklog Id: (was: 286580)
Time Spent: 0.5h (was: 20m)
> Use ArrayList#clear to address audit failure scenario
> -----------------------------------------------------
>
> Key: HDDS-1886
> URL: https://issues.apache.org/jira/browse/HDDS-1886
> Project: Hadoop Distributed Data Store
> Issue Type: Test
> Components: test
> Reporter: Dinesh Chitlangia
> Assignee: Dinesh Chitlangia
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> TestOzoneAuditLogger makes use of ArrayList#remove to clear the log file in
> between test runs.
> When writing tests in future for more failures scenarios, the tests will fail
> if the log entry has multi-line stack trace in audit logs.
> This jira aims to use ArrayList#clear to make the test future proof.
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