PHP code example of dgame / php-ensurance

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

dgame / php-ensurance example snippets

ensure('foo')->isString()->isEqualTo('foo');
ensure('foo')->isString()->isNotEqualTo('bar');

ensure('test@foo')->isString()->matches('#^[a-z]+@\w{3}$#i');
ensure('FooBar')->isString()->beginsWith('Fo');
ensure('FooBar')->isString()->endsWith('ar');

ensure('foo')->isString()->hasLengthOf(3);
ensure('foo')->isString()->isShorterThan(4);
ensure('foo')->isString()->isLongerThan(2);

ensure(42)->isInt();
ensure('42')->isInt();

ensure(4.2)->isFloat();
ensure('4.2')->isFloat();

ensure(42)->isNumeric()->isGreaterThan(23);
ensure(23)->isNumeric()->isLessThan(42);
ensure(42)->isEqualTo(42);

foreach (range(0, 100) as $n) {
    ensure($n)->isPositive();
}

foreach (range(-1, -100) as $n) {
    ensure($n)->isNegative();
}

for ($i = 0; $i < 42; $i += 2) {
    ensure($i)->isEven();
}

for ($i = 1; $i < 42; $i += 2) {
    ensure($i)->isOdd();
}

ensure(2)->isNumeric()->isBetween(1, 3);

ensure(['a' => 'b'])->isArray()->hasKey('a');

ensure(['a', 'b'])->isArray()->hasValue('a');

ensure([])->isArray()->hasLengthOf(0);
ensure(range(0, 99))->isArray()->hasLengthOf(100);

ensure([1, 2, 3])->isArray()->isShorterThan(4);
ensure([1, 2, 3])->isArray()->isLongerThan(2);

ensure(['a' => 'b'])->isArray()->isAssociative();

ensure('')->isNotNull()->isNotEmpty();

ensure(42)->isEqualTo('42');

ensure(42)->isIdenticalTo(42);

ensure((2 * 3) === (3 * 2))->isTrue();
ensure((2 * 3) === (3 * 3))->isFalse();

ensure(1 === 1)->isTrue()->orThrow('You will never see this error');

enforce(true)->orThrow('That is not true...');

enforce(0); // throws AssertionError

$this->assertEquals('foo', ensure(42)->isEven()->then('foo'));
$this->assertEquals(23, ensure(42)->isOdd()->else(23));

$this->assertTrue(ensure(42)->isOdd()->either(false)->or(true));
$this->assertFalse(ensure(23)->isOdd()->either(false)->or(true));