config_preview_deploy-1.0.0-alpha3/tests/src/Kernel/EnvironmentDetectionTest.php

<?php

declare(strict_types=1);

namespace Drupal\Tests\config_preview_deploy\Kernel;

use Drupal\config_preview_deploy\ConfigVerifier;
use Drupal\KernelTests\KernelTestBase;

/**
 * Test environment name detection.
 *
 * @group config_preview_deploy
 */
class EnvironmentDetectionTest extends KernelTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = ['config_preview_deploy', 'system'];

  /**
   * The config verifier service.
   */
  protected ConfigVerifier $configVerifier;

  /**
   * {@inheritdoc}
   */
  protected function setUp(): void {
    parent::setUp();
    $this->installConfig(['config_preview_deploy']);
    $this->configVerifier = $this->container->get('config_preview_deploy.config_verifier');
  }

  /**
   * Tests PHAPP_ENV environment variable detection.
   */
  public function testPhappEnvDetection(): void {
    // Set PHAPP_ENV variable.
    putenv('PHAPP_ENV=staging');

    $environmentName = $this->configVerifier->getEnvironmentName();
    $this->assertEquals('staging', $environmentName);

    // Clean up.
    putenv('PHAPP_ENV');
  }

  /**
   * Tests priority order of environment variables.
   */
  public function testEnvironmentVariablePriority(): void {
    // Set multiple environment variables.
    putenv('PHAPP_ENV=phapp-env');
    putenv('LAGOON_ENVIRONMENT=lagoon-env');
    putenv('PLATFORM_BRANCH=platform-env');

    // PHAPP_ENV should have highest priority.
    $environmentName = $this->configVerifier->getEnvironmentName();
    $this->assertEquals('phapp-env', $environmentName);

    // Clean up.
    putenv('PHAPP_ENV');
    putenv('LAGOON_ENVIRONMENT');
    putenv('PLATFORM_BRANCH');
  }

  /**
   * Tests fallback when no environment variables are set.
   */
  public function testFallbackEnvironmentName(): void {
    // Ensure no environment variables are set.
    $envVars = [
      'PHAPP_ENV',
      'LAGOON_ENVIRONMENT',
      'PLATFORM_BRANCH',
      'PANTHEON_ENVIRONMENT',
      'ACQUIA_ENVIRONMENT',
      'CI_ENVIRONMENT_SLUG',
    ];

    foreach ($envVars as $var) {
      putenv($var);
    }

    $environmentName = $this->configVerifier->getEnvironmentName();

    // Should fallback to hostname or 'local'.
    $this->assertNotEmpty($environmentName);
    $this->assertIsString($environmentName);
  }

}