engineN/system/Test/Mock/MockLanguage.php

<?php

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\Test\Mock;

use CodeIgniter\Language\Language;

class MockLanguage extends Language
{
    /**
     * Stores the data that should be
     * returned by the 'requireFile()' method.
     *
     * @var mixed
     */
    protected $data;

    /**
     * Sets the data that should be returned by the
     * 'requireFile()' method to allow easy overrides
     * during testing.
     *
     * @return $this
     */
    public function setData(string $file, array $data, ?string $locale = null)
    {
        $this->language[$locale ?? $this->locale][$file] = $data;

        return $this;
    }

    /**
     * Provides an override that allows us to set custom
     * data to be returned easily during testing.
     */
    protected function requireFile(string $path): array
    {
        return $this->data ?? [];
    }

    /**
     * Arbitrarily turnoff internationalization support for testing
     */
    public function disableIntlSupport()
    {
        $this->intlSupport = false;
    }
}