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Posted to common-issues@hadoop.apache.org by "Adam Antal (JIRA)" <ji...@apache.org> on 2019/08/12 16:40:00 UTC
[jira] [Created] (HADOOP-16512) [hadoop-tools] Fix order of actual
and expected expression in assert statements
Adam Antal created HADOOP-16512:
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Summary: [hadoop-tools] Fix order of actual and expected expression in assert statements
Key: HADOOP-16512
URL: https://issues.apache.org/jira/browse/HADOOP-16512
Project: Hadoop Common
Issue Type: Sub-task
Affects Versions: 3.2.0
Reporter: Adam Antal
Fix order of actual and expected expression in assert statements which gives misleading message when test case fails. Attached file has some of the places where it is placed wrongly.
{code:java}
[ERROR] testNodeRemovalGracefully(org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService) Time elapsed: 3.385 s <<< FAILURE!
java.lang.AssertionError: Shutdown nodes should be 0 now expected:<1> but was:<0>
{code}
For long term, [AssertJ|http://joel-costigliola.github.io/assertj/] can be used for new test cases which avoids such mistakes.
This is a follow-up Jira on the fix for the hadoop-tools project.
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