Fix random failure in WordContributionEventDaoTest

[jo-elimu]

closes #1645

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 13.73%. Comparing base (4862d8d) to head (fcc137c).

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1646      +/-   ##
============================================
- Coverage     13.78%   13.73%   -0.05%     
+ Complexity      454      453       -1     
============================================
  Files           257      257              
  Lines          8503     8503              
  Branches        881      881              
============================================
- Hits           1172     1168       -4     
- Misses         7279     7284       +5     
+ Partials         52       51       -1     

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[nya-elimu]

@coderabbitai generate unit tests for WordContributionEventDao.java

[coderabbitai[bot]]

@nya-elimu: Based on the WordContributionEventDao.java interface, here's an outline for unit tests that could be generated for its implementation:

1. readAllOrderedByTimeDesc()

   • Test that it returns a list of WordContributionEvent objects ordered by time in descending order.
   • Test handling of DataAccessException (e.g., by mocking this exception and asserting the correct behavior).

2. readAll(Word word)

   • Test that it returns all events associated with a specific Word.
   • Test with a Word that has no associated events to ensure it handles empty results correctly.
   • Test handling of DataAccessException.

3. readAll(Contributor contributor)

   • Test that it returns all events created by a specific Contributor.
   • Test with a Contributor who has not created any events to check for correct empty result handling.
   • Test handling of DataAccessException.

4. readMostRecent(int maxResults)

   • Test that it returns the specified number of most recent WordContributionEvent objects.
   • Test with maxResults larger than the total number of events to ensure it handles this gracefully.
   • Test handling of DataAccessException.

5. readMostRecentPerWord()

   • Test that it returns the most recent event for each Word.
   • Test in scenarios where some words have multiple events and others have none.
   • Test handling of DataAccessException.

6. readCount(Contributor contributor)

   • Test that it returns the correct count of events created by a specific Contributor.
   • Test with a Contributor who has not created any events to ensure the count is zero.
   • Test handling of DataAccessException.

For each of these tests, you would use a mocking framework like Mockito to simulate the database interactions, allowing you to specify the expected behavior (e.g., what objects should be returned or what exceptions should be thrown) without needing an actual database connection. This approach enables testing the logic of the DAO's implementation in isolation.

Analysis chain

---

Scripts executed

The following scripts were executed for the analysis:

---

Script:

#!/bin/bash
# Locate the WordContributionEventDao.java file within the repository.
fd WordContributionEventDao.java

Length of output: 91

---

---

Script:

#!/bin/bash
# Read the contents of the WordContributionEventDao.java file.
cat src/main/java/ai/elimu/dao/WordContributionEventDao.java

Length of output: 925

[coderabbitai[bot]]

Walkthrough

The recent changes primarily introduced logging statements in the WordContributionEventDaoTest to enhance traceability, and adjusted the logging configuration in jdbc.properties to potentially mitigate test flakiness. These modifications aim to help diagnose and resolve issues causing sporadic test failures.

Changes

Files Modified	Change Summary
src/test/.../WordContributionEventDaoTest.java	Added logging for the number of word contribution events before and after operations in test methods.
src/test/resources/jdbc.properties	Changed jpa.showSql property from true to false, affecting SQL query logging during tests.

Sequence Diagram(s)

No sequence diagrams generated as the changes are mainly related to logging and configuration adjustments.

Assessment against linked issues

Objective	Addressed	Explanation
Fix random failure in WordContributionEventDaoTest (#1645)	❓	Added logging to help diagnose the issue, but not a direct fix.

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