[HADOOP-18155] Refactor tests in TestFileUtil

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0, 2.10.2, 3.2.3, 3.3.3
• Component/s: common
• Labels: pull-request-available
• Target Version/s: 3.3.3

Language

Java

• Assignee: Gautham Banasandra
• Reporter: Gautham Banasandra
• Due: 14/Mar/22
• Created: 07/Mar/22 17:02
• Updated: 19/Apr/22 09:56
• Resolved: 18/Apr/22 14:16

Description

We need to ensure that we check the results of file operations whenever we invoke mkdir, deleteFile etc. and assert them right there before proceeding on. Also, we need to ensure that some of the relevant FileSystem APIs don't return null.

Issue Links

• is depended upon by: HADOOP-18198 Release Hadoop 3.3.3: hadoop-3.3.2 with some fixes
• links to: GitHub Pull Request #4053
• links to: GitHub Pull Request #4063