TestResponse::assertViewHasDeep assertion

macro.php

<?php

use PHPUnit\Framework\Assert as PHPUnit;
use Illuminate\Support\Arr;
use Illuminate\Foundation\Testing\TestResponse;
use Illuminate\Database\Eloquent\Model;

TestResponse::macro('assertViewHasDeep', function ($key, $value = null) {
    $this->ensureResponseHasView();

    $data = $this->original->getData();
    $keys = explode('.', $key);

    foreach ($keys as $key) {
        if (Arr::accessible($data)) {
            PHPUnit::assertTrue(Arr::exists($data, $key));
        } elseif (is_object($data)) {
            PHPUnit::assertTrue(isset($data->{$key}));
        } else {
            PHPUnit::fail('Data does not conform to given key.');
        }

        $data = data_get($data, $key);
    }

    if ($value instanceof Closure) {
        PHPUnit::assertTrue($value($data));
    } elseif ($value instanceof Model) {
        PHPUnit::assertTrue($value->is($data));
    } else {
        PHPUnit::assertEquals($value, $data);
    }

    return $this;
});