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User:IHurbainPalatin (WMF)/Useful core test shortcuts for pre-push

< User:IHurbainPalatin (WMF)

Problem

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  • Shipping things to CI without running tests locally adds time to the ideal feedback loop
  • Running ALL THE TESTS on core takes a fairly long time
  • Running ALL THE TESTS on core tends to interact the with local dev environments, which may or may not be up-to-date on all skins, extensions, etc.

Objective

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Knowing how to locally run a "reasonably covering" set of "tests that have a higher chance to break with my current set of changes" (assuming said set is known).

HOWTO

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Run tests in a single directory or file

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$ composer phpunit -- <path>

Useful suites

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# core parser tests
$ composer phpunit -- tests/phpunit/suites/CoreParserTestSuite.phpunit

# core unit tests (beware: this probably runs less things than you think it does)
$ composer run phpunit -- --testsuite=core:unit

# all parser tests, including installed extensions
$ composer phpunit -- --testsuite=parsertests

Run with a non-default LocalSettings.php

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# If no extensions are defined in this config file, this is equivalent to running
# CoreParserTestSuite.php as above; otherwise it also runs parserTests in extensions
$ MW_CONFIG_FILE=LocalSettings-stripped.php composer run phpunit -- --testsuite=parsertests
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