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RANGER-5344:Test Cases for hdfs-agent [ranger-hdfs-plugin] Module #690
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Hello @kumaab , Requesting review for RANGER-5344 (#690). This PR adds AI-assisted (Cursor AI) test cases for the hdfs-agent [ranger-hdfs-plugin] module, manually reviewed, and improves Jacoco coverage from 39% to 72%. Build and tests are passing. Feedback is appreciated. |
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Pull Request Overview
This PR adds comprehensive test coverage for the hdfs-agent [ranger-hdfs-plugin] module using AI-generated test methods that were manually reviewed. The changes aim to improve Jacoco coverage from 39% to 72% by adding unit tests for multiple packages within the module.
- Added extensive unit test classes for HDFS client, resource management, connection management, and authorization components
- Added new test dependencies (mockito-inline and mockito-junit-jupiter) to support advanced mocking capabilities
- Updated existing test files to use JUnit 5 assertions and annotations while maintaining backward compatibility
Reviewed Changes
Copilot reviewed 9 out of 9 changed files in this pull request and generated 5 comments.
Show a summary per file
| File | Description |
|---|---|
| TestHdfsResourceMgr.java | New comprehensive test class for HdfsResourceMgr with 8 test methods covering various scenarios |
| TestHdfsConnectionMgr.java | New test class for HdfsConnectionMgr covering cache operations and connection management |
| HdfsClientTest.java | Extended existing test class with 18 additional JUnit 5 test methods for validation and connection testing |
| TestRangerServiceHdfs.java | New test class for RangerServiceHdfs covering configuration validation and resource lookup |
| RangerHdfsAuthorizerTest.java | Updated existing test with JUnit 5 annotations and disabled problematic tests |
| HDFSRangerTest.java | Updated with JUnit 5 annotations and modernized assertions |
| TestRangerAccessControlException.java | New simple test class for exception handling |
| TestRangerAccessControlEnforcer.java | New comprehensive test class with 12 test methods covering access control enforcement |
| pom.xml | Added mockito-inline and mockito-junit-jupiter dependencies for advanced testing |
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hdfs-agent/src/test/java/org/apache/ranger/services/hdfs/client/HdfsClientTest.java
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| String content = new String(output.toByteArray()); | ||
| String content = output.toString(); |
Copilot
AI
Oct 31, 2025
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Using ByteArrayOutputStream.toString() without specifying charset is deprecated and may cause encoding issues. Consider using output.toString(StandardCharsets.UTF_8) for explicit charset handling.
| IOUtils.copy(in, output); | ||
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| String content = new String(output.toByteArray()); | ||
| String content = output.toString(); |
Copilot
AI
Oct 31, 2025
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Using ByteArrayOutputStream.toString() without specifying charset is deprecated and may cause encoding issues. Consider using output.toString(StandardCharsets.UTF_8) for explicit charset handling.
| IOUtils.copy(in, output); | ||
|
|
||
| String content = new String(output.toByteArray()); | ||
| String content = output.toString(); |
Copilot
AI
Oct 31, 2025
There was a problem hiding this comment.
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Using ByteArrayOutputStream.toString() without specifying charset is deprecated and may cause encoding issues. Consider using output.toString(StandardCharsets.UTF_8) for explicit charset handling.
| IOUtils.copy(in, output); | ||
|
|
||
| String content = new String(output.toByteArray()); | ||
| String content = output.toString(); |
Copilot
AI
Oct 31, 2025
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Using ByteArrayOutputStream.toString() without specifying charset is deprecated and may cause encoding issues. Consider using output.toString(StandardCharsets.UTF_8) for explicit charset handling.
…t/HdfsClientTest.java Co-authored-by: Copilot <[email protected]>
AI Disclosure
Added AI-generated Test methods/Test classes using Cursor AI for module hdfs-agent [ranger-hdfs-plugin] and manually reviewed.
What changes were proposed in this pull request?
RANGER-5344: Test Cases for hdfs-agent [ranger-hdfs-plugin] Module
How was this patch tested?
Build successful along with test cases.
As per Jacoco
Apache -> hdfs-agent [ranger-hdfs-plugin] Module
Improved Jacoco coverage across multiple packages:
hdfs-agent [ranger-hdfs-plugin] module: 39% → 72%