<?php
declare(strict_types=1);
namespace JKingWeb\NewsSync;
use \org\bovigo\vfs\vfsStream;


class TestConf extends \PHPUnit\Framework\TestCase {
	use TestingHelpers;
	
	static $vfs;
	static $path;

	static function setUpBeforeClass() {
		self::$vfs = vfsStream::setup("root", null, [
			'confGood'       => '<?php return Array("lang" => "xx");',
			'confNotArray'   => '<?php return 0;',
			'confCorrupt'    => '<?php return 0',
			'confNotPHP'     => 'DEAD BEEF',
			'confEmpty'      => '',
			'confUnreadable' => '',
		]);
		self::$path = self::$vfs->url()."/";
		// set up a file without read access
		chmod(self::$path."confUnreadable", 0000);
	}

	static function tearDownAfterClass() {
		self::$path = null;
		self::$vfs = null;
	}
	
	function testLoadDefaultValues() {
		$this->assertInstanceOf(Conf::class, new Conf());
	}
    
	/**
     * @depends testLoadDefaultValues
     */
	function testImportFromArray() {
		$arr = ['lang' => "xx"];
		$conf = new Conf();
		$conf->import($arr);
		$this->assertEquals("xx", $conf->lang);
	}

	/**
     * @depends testImportFromArray
     */
	function testImportFromFile() {
		$conf = new Conf();
		$conf->importFile(self::$path."confGood");
		$this->assertEquals("xx", $conf->lang);
		$conf = new Conf(self::$path."confGood");
		$this->assertEquals("xx", $conf->lang);
	}

	/**
     * @depends testImportFromFile
     */
	function testImportFromMissingFile() {
		$this->assertException("fileMissing", "Conf");
		$conf = new Conf(self::$path."confMissing");
	}

	/**
     * @depends testImportFromFile
     */
	function testImportFromEmptyFile() {
		$this->assertException("fileCorrupt", "Conf");
		$conf = new Conf(self::$path."confEmpty");
	}

	/**
     * @depends testImportFromFile
     */
	function testImportFromFileWithoutReadPermission() {
		$this->assertException("fileUnreadable", "Conf");
		$conf = new Conf(self::$path."confUnreadable");
	}

	/**
     * @depends testImportFromFile
     */
	function testImportFromFileWhichIsNotAnArray() {
		$this->assertException("fileCorrupt", "Conf");
		$conf = new Conf(self::$path."confNotArray");
	}

	/**
     * @depends testImportFromFile
     */
	function testImportFromFileWhichIsNotPhp() {
		$this->assertException("fileCorrupt", "Conf");
		// this should not print the output of the non-PHP file
		$conf = new Conf(self::$path."confNotPHP");
	}

	/**
     * @depends testImportFromFile
     */
	function testImportFromCorruptFile() {
		$this->assertException("fileCorrupt", "Conf");
		// this should not print the output of the non-PHP file
		$conf = new Conf(self::$path."confCorrupt");
	}
}