index/tests/EnvironmentTest.php

<?php
// EnvironmentTest.php
// Created: 2021-05-02
// Updated: 2023-01-01

declare(strict_types=1);

use PHPUnit\Framework\TestCase;
use Index\AString;
use Index\Environment;
use Index\Version;

/**
 * @covers Environment
 */
final class EnvironmentTest extends TestCase {
    public function testEnvVars(): void {
        $varName = 'NDX_TEST_VAR_DO_NOT_DEFINE';

        $this->assertEmpty(Environment::getVariable($varName));

        Environment::setVariable($varName, 'the');
        $varValue = Environment::getVariable($varName);
        $this->assertEquals('the', $varValue);

        Environment::removeVariable($varName);
        $this->assertEmpty(Environment::getVariable($varName));
    }

    public function testIndexVersion(): void {
        $strVersion = trim(file_get_contents(__DIR__ . '/../VERSION'));
        $rawVersion = explode('.', $strVersion);
        $version = Environment::getIndexVersion();

        $this->assertEquals((int)$rawVersion[0], $version->getMajor());
        $this->assertEquals((int)$rawVersion[1], $version->getMinor());
        $this->assertEquals((int)$rawVersion[2], $version->getPatch());
        $this->assertEquals($strVersion, (string)$version);
    }

    public function testPHPAndExtVersion(): void {
        $version = Environment::getPHPVersion();
        $extVersion = Environment::getPHPExtensionVersion('Core');

        $this->assertEquals(PHP_MAJOR_VERSION, $version->getMajor());
        $this->assertEquals(PHP_MINOR_VERSION, $version->getMinor());
        $this->assertEquals(PHP_RELEASE_VERSION, $version->getPatch());
        $this->assertTrue($version->equals($extVersion));
    }

    // not really sure how you would test the platform and sapi functions, so i won't
}