Test::More

Test::More is not a complete testing framework but can be used with other testing libraries via a shared Test::Builder object. As a result, Test::More provides the baseline testing functions, leaving other libraries to implement more specific functionality. This avoids centralizing development in a single module and supports the use of specialized testing functions.

Test programs written with Test::More output their results as TAP, which can then either be interpreted by a human or, more usually, run through a TAP parser such as Test::Harness.^[5] It is this separation between test program and test result interpreter via a common protocol that has enabled the development of multiple testing modules that can be used together. Additionally, the TAP output can be stored and reinterpreted later, providing a historical record of test results.

Among its features are detailed error messages, functions to test regular expressions, functions to test objects, and functions to test complex data structures.^[6] It can be used to compare values, such as a computed value to an expected value, or that a value is within an expected range.^[7] The number of tests to be executed is listed in the test script.^[8]

Tests that are known to fail under specific conditions or environments can be skipped.^[6] This may occur if a system on which the test is executed lacks the capability to execute the tested function, or if the test is written in advance of the code.^[7]

The module intercepts standard output from the Perl script to execute the tests.^[9]

• Test::More documentation
• Test::More tutorial

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