How do you test code that uses static keyword?

Testing code that uses the static keyword can be challenging because static methods and variables belong to the class itself rather than instances of the class. This means that you can call static methods without creating an object of the class, which can impact testing strategies. You may need to employ mocking frameworks to isolate dependencies and use techniques like dependency injection to facilitate testing of static methods.

testing, static keyword, unit testing, dependency injection, mocking frameworks, code testing


class Counter {
    private static $count = 0;

    public static function increment() {
        self::$count++;
    }

    public static function getCount() {
        return self::$count;
    }
}

// Example usage
Counter::increment();
echo Counter::getCount(); // Outputs: 1

testing static keyword unit testing dependency injection mocking frameworks code testing

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