easy-coverage
Infection
| easy-coverage | Infection | |
|---|---|---|
| 3 | 11 | |
| 7 | 1,990 | |
| - | 0.5% | |
| 4.9 | 8.6 | |
| 11 months ago | 6 days ago | |
| PHP | PHP | |
| MIT License | BSD 3-clause "New" or "Revised" License |
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easy-coverage
- I created a package to encourage developers in my team to write tests. What do you think? Any feedback? Thanks!
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I created a PHP package to encourage developers in my team to write tests
I'm working with multiple junior developers in multiple projects.
I always want to find a way to encourage/force them to write tests.
And I want this process to be integrated into the CI/CD and pre-push workflow.
So I created this PHP package:
https://github.com/howtomakeaturn/easy-coverage
What do you think?
Any feedback?
Thanks!
Infection
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PHP: testing, "Attention please!"
consider adding mutation tests
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Who tests the tests? Mutation testing with Infection in PHP
Obviously, we can not generate mutants manually. For that purpose, there are mutation testing utilities. For PHP, we have Infection.
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PHP libraries and tools
Infection: PHP Mutation Testing library. Plugins: roave/infection-static-analysis-plugin: Static analysis on top of mutation testing - prevents escaped mutants from being invalid according to static analysis bitexpert/captainhook-infection: Captain Hook Plugin to run InfectionPHP only against the changed files of a commit
Infection: PHP Mutation Testing library. Plugins: roave/infection-static-analysis-plugin: Static analysis on top of mutation testing - prevents escaped mutants from being invalid according to static analysis bitexpert/captainhook-infection: Captain Hook Plugin to run InfectionPHP only against the changed files of a commit
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I created a package to encourage developers in my team to write tests. What do you think? Any feedback? Thanks!
If you want to enforce testing automatically probably the best option is to rely on mutation testing, using Infection. That doesn't just check that the tests cover the code, it checks that if the code was different to what it is then the tests would (usually) fail.
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Collecting line, branch, and path coverage with PHPUnit
IMO code coverage is a very flawed metric on its own. A high percentage doesn't guarantee that the tests actually test the right things, and it would be much more efficient if mutation testing was used (e.g. Infection). It still uses the generated code coverage reports, but only as a base for its own metrics.
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Am I writing the right kinds of (unit) tests? See below for an example. Thanks!
For your last edit - you can also add infection which will infect your code with other values, like if you expect a positive number, it will try and inject a negative number - and see what happens - does your code break everything or something. Also it will try to inject false where you might expect a true and many many other things, and yes you will get some weird results from infection, but its a good thing to look at, and atleast check the logs and see why the infection failed at a test.
- I'm looking for "complex" or "advanced" topics that don't get enough coverage
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Codewars Kata. It uses 100 random tests for a boolean.
The only one that I've used is infection for PHP.
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Verify your true code coverage by removing lines of PHP code, see if it affects PHPUnit results
That's practically a light form of mutant testing. Have you checked Infection?
What are some alternatives?
Pest - Pest is an elegant PHP testing Framework with a focus on simplicity, meticulously designed to bring back the joy of testing in PHP.
rector-laravel - Rector upgrades rules for Laravel
php-mysql-engine - A MySQL engine written in pure PHP
ParaTest - :computer: Parallel testing for PHPUnit
psalm-plugin-phpunit - A PHPUnit plugin for Psalm
churn-php - Discover files in need of refactoring.
rector-symfony - Rector upgrade rules for Symfony
Packagist - Package Repository Website - try https://packagist.com if you need your own -
phpstan-disallowed-calls - PHPStan rules to detect disallowed method & function calls, constant, namespace, attribute & superglobal usages
Spout - Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
Deptrac - Keep your architecture clean.
composer-unused - Show unused composer dependencies by scanning your code