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From: vlsi (@vlsi) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: [pgjdbc/pgjdbc] PR #3654: chore: make the build fail in case the tests are not declared properly
Date: Wed, 04 Jun 2025 12:57:49 +0000
Message-ID: <[email protected]> (raw)

JUnit 5.13 can detect misplaced @Test annotations which were previously ignored. For instance, if the method returns Object rather than void, JUnit ignores the test.

After the change, such issues should result in a build failure.

The new property requires JUnit 5.13, so I'll move the change to https://github.com/pgjdbc/pgjdbc/pull/3652

Here's a sample failure:

```
> Task :postgresql:test FAILED
FAILURE   0,0sec, UnknownClass > initializationError
    org.junit.platform.launcher.core.DiscoveryIssueException: TestEngine with ID 'junit-jupiter' encountered 2 critical issues during test discovery:

    (1) [WARNING] @Test method 'private int org.postgresql.test.jdbc42.SetObject310InfinityTest.abc()' must not be private. It will not be executed.
        Source: MethodSource [className = 'org.postgresql.test.jdbc42.SetObject310InfinityTest', methodName = 'abc', methodParameterTypes = '']
                at org.postgresql.test.jdbc42.SetObject310InfinityTest.abc(SourceFile:0)

    (2) [WARNING] @Test method 'private int org.postgresql.test.jdbc42.SetObject310InfinityTest.abc()' must not return a value. It will not be executed.
        Source: MethodSource [className = 'org.postgresql.test.jdbc42.SetObject310InfinityTest', methodName = 'abc', methodParameterTypes = '']
                at org.postgresql.test.jdbc42.SetObject310InfinityTest.abc(SourceFile:0)
```


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