assertArrayStructure function for testing PHP_Unit in Laravel

assertArrayStructure.php

<?php

namespace Tests\Unit;

use Tests\TestCase;
use Illuminate\Foundation\Testing\DatabaseMigrations;
use Illuminate\Foundation\Testing\DatabaseTransactions;

class ExampleTest extends TestCase
{
    /**
     * A basic test example.
     *
     * @return void
     */
    public function testBasicTest()
    {
        $collect = collect(['name' => '1', 'detail' => ['age' => 1,'class' => 'abc']]);

        $this->assertArraySubset(['name', 'detail' => ['class', 'age']], $collect->toArray());
    }


    /**
     * Assert that the response has a given JSON structure.
     *
     * @param  array  $structure
     * @param  array  $arrayData
     * @return $this
     */
    public function assertArrayStructure(array $structure, array $arrayData)
    {
        foreach ($structure as $key => $value) {
            if (is_array($value) && $key === '*') {
                $this->assertInternalType('array', $arrayData);

                foreach ($arrayData as $arrayDataItem) {
                    $this->assertArrayStructure($structure['*'], $arrayDataItem);
                }
            } elseif (is_array($value)) {
                $this->assertArrayHasKey($key, $arrayData);

                $this->assertArrayStructure($structure[$key], $arrayData[$key]);
            } else {
                $this->assertArrayHasKey($value, $arrayData);
            }
        }

        return $this;
    }

}