<?php


namespace Combodo\iTop\Test\UnitTest\Setup;

use Combodo\iTop\Test\UnitTest\ItopTestCase;
use SetupUtils;


/**
 * Class SetupUtilsTest
 *
 * @runTestsInSeparateProcesses
 * @preserveGlobalState disabled
 * @backupGlobals disabled
 *
 * @covers SetupUtils
 *
 * @since 2.7.4 N°3412
 * @package Combodo\iTop\Test\UnitTest\Setup
 */
class SetupUtilsTest extends ItopTestCase
{
	const ERROR = 0;
	const WARNING = 1;
	const INFO = 2;
	const TRACE = 3; // for log purposes : replace old SetupLog::Log calls

	protected function setUp()
	{
		parent::setUp();

		require_once APPROOT.'setup/setuputils.class.inc.php';
		require_once APPROOT.'setup/setuppage.class.inc.php';
	}

	/**
	 * @dataProvider CheckGraphvizProvider
	 */
	public function testCheckGraphviz($sScriptPath, $iSeverity, $sLabel){
		/** @var \CheckResult $oCheck */
		$aCheck = SetupUtils::CheckGraphviz($sScriptPath);
		$bLabelFound = false;
		foreach ($aCheck as $oCheck) {
			$this->assertGreaterThanOrEqual($iSeverity, $oCheck->iSeverity);
			if (!$bLabelFound && (empty($sLabel) || strpos($oCheck->sLabel, $sLabel) !== false)) {
				$bLabelFound = true;
			}
		}
		$this->assertTrue($bLabelFound, "label '$sLabel' not found");
	}

	public function CheckGraphvizProvider(){
		if (substr(PHP_OS,0,3) === 'WIN'){
			return [];
		}

		return [
			"bash injection" => [
				"touch /tmp/toto",
				self::WARNING,
				"could not be executed: Please make sure it is installed and in the path",
			],
			"command ok" => [
				"/usr/bin/whereis",
				self::INFO,
				"",
			],
			"empty command => dot by default" => [
				"",
				self::INFO,
				"",
			],
			"command failed" => [
				"/bin/ls",
				self::WARNING,
				"dot could not be executed (retcode=2): Please make sure it is installed and in the path",
			]
		];
	}

	/**
	 * @dataProvider HumanReadableSizeProvider
	 */
	public function testHumanReadableSize($fBytes, $sExpected)
	{
		$sOutput = SetupUtils::HumanReadableSize($fBytes);
		$this->assertEquals($sExpected, $sOutput);
	}

	public function HumanReadableSizeProvider(): array
	{
		return [
			'10 bytes' => [
				10,
				'10 bytes',
			],
			'10 kilobytes' => [
				10 * 1024,
				'10.24 KB',
			],
			'10 megabytes' => [
				10 * 1024 * 1024,
				'10.49 MB',
			],
			'10 gigabytes' => [
				10 * 1024 * 1024 * 1024,
				'10.74 GB',
			],
			'10 terabytes' => [
				10 * 1024 * 1024 * 1024 * 1024,
				'11.00 TB',
			],
			'10 petabytes' => [
				10 * 1024 * 1024 * 1024 * 1024 * 1024,
				'11.26 PB',
			],
			'10 heptabytes' => [
				10 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
				'11.53 HB',
			],
		];
	}

	/**
	 * @covers SetupUtils::PHP_MIN_VERSION
	 * @covers SetupUtils::PHP_NOT_VALIDATED_VERSION
	 * @covers composer.json
	 * @group composerJson
	 */
	public function testPhpMinVersionConsistency()
	{
		$sPHPMinVersion = SetupUtils::PHP_MIN_VERSION;
		$sPHPNotValidatedVersion = SetupUtils::PHP_NOT_VALIDATED_VERSION;

		// Ensure that not validated version is greater than min. supported version
		$this->assertTrue(version_compare($sPHPMinVersion, $sPHPNotValidatedVersion, '<'), "SetupUtils::PHP_MIN_VERSION ($sPHPMinVersion) is not strictly lower than SetupUtils::PHP_NOT_VALIDATED_VERSION ($sPHPNotValidatedVersion)");

		if (file_exists(APPROOT.'composer.json')) {
			$oComposerConfig = json_decode(file_get_contents(APPROOT.'composer.json'));
			// Platform/PHP must be set to the minimum to ensure dependancies are compatible with the min. version
			$this->assertEquals($sPHPMinVersion, $oComposerConfig->config->platform->php, "Composer/Platform/PHP");
			// Require/PHP must be set to the supported PHP versions range in order to keep our package constraints up-to-date
			$this->assertEquals(">=$sPHPMinVersion <$sPHPNotValidatedVersion", $oComposerConfig->require->php, "Composer/Require/PHP");
		}
	}
}