<?php

use PHPUnit\Framework\TestCase;
use App\Config\Config;

class ConfigTest extends TestCase
{
	public function testLoadsValidJson()
	{
		$tmp = tempnam(sys_get_temp_dir(), 'cfg_');
		file_put_contents($tmp, json_encode(["foo" => "bar"]));

		$config = new Config($tmp);

		$this->assertSame("bar", $config->get("foo"));
	}

	public function testThrowsOnMissingFile()
	{
		$this->expectException(RuntimeException::class);
		new Config("/nonexistent/file.json");
	}

	public function testThrowsOnInvalidJson()
	{
		$tmp = tempnam(sys_get_temp_dir(), 'cfg_');
		file_put_contents($tmp, "{invalid json");

		$this->expectException(RuntimeException::class);
		new Config($tmp);
	}
}