Asserter

AssterPlayground.php

<?php

include_once 'vendor/autoload.php';

class Dummy
{
    private $foo = 'bar';

    private $bars = ['foo_One', 'fooKey' => 'fooValue'];
}

Class Asserter {

    public function contains($test, $expected, $strict = false)
    {
        if ($strict) {
            throw new \Exception('Strict mode is not supported yet.');
        }

        if (is_object($test)) {
            return $this->objectContains($test, $expected, $strict);
        } elseif (is_array($test)) {
            return $this->arrayContains($test, $expected, $strict);
        } else {
            return $test === $expected;
        }
    }

    protected function objectContains($testObject, $expectedArray, $strict = false)
    {
        if (!is_array($expectedArray)) {
            return false;
        }

        $reflection = new ReflectionObject($testObject);

        foreach ($expectedArray as $expectedProperty => $expectedValue) {
            $property = $reflection->getProperty($expectedProperty);
            $property->setAccessible(true);

            $value = $property->getValue($testObject);
            $equal = $this->contains($value, $expectedValue);

            if (!$equal) {
                return false;
            }
        }

        return true;
    }

    protected function arrayContains(array $testArray, $expectedArray, $strict = false)
    {
        if (!is_array($expectedArray)) {
            return false;
        }

        foreach ($expectedArray as $expectedKey => $expectedValue) {

            if (array_key_exists($expectedKey, $testArray)) {
                $value = $testArray[$expectedKey];
                $equal = $this->contains($value, $expectedValue);

                if (!$equal) {
                    return false;
                }
            } else {
                return false;
            }
        }

        return true;
    }
}

$asserter = new Asserter();
$instance = new Dummy();

var_dump('Should be true:');
var_dump($asserter->contains($instance, [
    'foo' => 'bar',
    'bars' => ['foo_One', 'fooKey' => 'fooValue'],
]));

var_dump('Should be false:');
var_dump($asserter->contains($instance, [
    'foo' => 'bar',
    'bars' => ['foo_One', 'fooKey' => 'fooValue2'],
]));