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Mastering Modern Perl: Writing Efficient and Maintainable Code

Perl Testing Modules

Discover how to use critical Perl testing modules such as Test::More, Test::Fatal, and Test::Class to write reliable tests and increase code quality. Learn to mock objects, test exceptions, analyze coverage, and organize test suites for better maintainability.

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Testing modules

Test::More relies on a testing backend known as Test::Builder, which manages the test plan and coordinates the test output into TAP. This design allows multiple test modules to share the same Test::Builder backend. Consequently, the CPAN has hundreds of test modules available—and they can all work together in the same program:

  • Test::Fatal: This helps test whether our code throws (and does not throw) ...