maks-rafalko

• Theo Fidry https://twitter.com/tfidry
  • PHP UG Dresden, Germany https://www.youtube.com/watch?v=dlVASJ-MbUE
  • PHP Barcelona, Spain https://www.youtube.com/watch?v=GRB0sTweUVY
  • PHPDay (Italy) https://vimeo.com/274779478
• Badoo PHP Meetup, Moscow
  • https://www.youtube.com/watch?v=EPU47QqtMiU&feature=youtu.be
  • https://habr.com/ru/company/badoo/blog/462709/
• Maks Rafalko https://twitter.com/maks_rafalko
  • slides: https://slides.com/born_free/mutation_testing_infection#/
• Onliner PHP Meetup 2019 (Minsk, Belarus)

maks-rafalko

<?php

interface SalaryInterface {
    public function getSalary(): float;
}

class DynamicStrategy implements SalaryInterface {
    /**
     * @var int
     */

maks-rafalko

<?php

declare(strict_types=1);

namespace Core\Monolog\Formatter;

use Doctrine\DBAL\Connection;
use Monolog\Formatter\LineFormatter;

/**

maks-rafalko

// array_map
- $lowercasedStrings = array_map(['P', 'H', 'P'], function ($v) {
-    return strtolower($v);
- });
+ $lowercasedStrings = ['P', 'H', 'P'];

// array_filter
- $evenNumbers = array_filter([1, 2, 3, 4], function ($v) { 
-    return $v % 2;
- });

maks-rafalko

Литература для рекомендации

Junior

• Документация PHP - http://php.net/
• http://www.phptherightway.com/
• Мэт Зандстра "PHP. Объекты, шаблоны и методики программирования" ISBN 978-5-8459-1922-9
• Мартин. Чистый код.

maks-rafalko

// Throw_ Mutator
- throw new FileNotFoundException('...');
+ new FileNotFoundException('...');

// DecrementInteger Mutator
- new Assert\Length(['min' => 10]);
+ new Assert\Length(['min' => 9]);

// IncrementInteger Mutator
- new Assert\Length(['min' => 10]);

maks-rafalko

// 1. in the loop

foreach ($someVar as $record) {
    // ...
-    break;
+    continue;
}

// 2. in the switch statement

maks-rafalko

// 1. spaceship operator

- $a <=> $b;
+ $b <=> $a;

// 2. break; <-> continue;

foreach (...) {
-    break;
+    continue;

maks-rafalko

<?php
class Addition extends MutatorAbstract
{
    public static function getMutation(array &$tokens, $index)
    {
        $tokens[$index] = '-';
    }

    public static function mutates(array &$tokens, $index)
    {

maks-rafalko

<?php
class Plus implements Mutator
{
    public function mutate(Node $node)
    {
        return new BinaryOp\Minus($node->left, $node->right, $node->getAttributes());
    }

    public function shouldMutate(Node $node) : bool
    {