<?php

namespace Spark\Environment;


class ScriptRunnerTest extends \PhpUnit\Framework\TestCase
{
    /**
     * @dataProvider stringExpansionData
     * @covers ScriptRunner::expandString
     */
    public function testStringExpansion($source, $expect)
    {
        $runner = new ScriptRunner();
        $expanded = $runner->expandString($source);
        return $this->assertEquals($expect, $expanded);
    }

    public function stringExpansionData()
    {
        return [
            [ 'Hello World!', 'Hello World!' ],
            [ '${testenv}', '' ],
            [ '${PATH}', getenv("PATH") ],
            [ 'Greetings ${USER}', 'Greetings '.getenv("USER") ],
        ];
    }

}