HookRequirementsTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Functional\Module;


/**
 * Attempts enabling a module that fails hook_requirements('install').
 *
 * @group Module
 */
class HookRequirementsTest extends ModuleTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Assert that a module cannot be installed if it fails hook_requirements().
   */
  public function testHookRequirementsFailure() : void {
    $this->assertModules([
      'requirements1_test',
    ], FALSE);
    // Attempt to install the requirements1_test module.
    $edit = [];
    $edit['modules[requirements1_test][enable]'] = 'requirements1_test';
    $this->drupalGet('admin/modules');
    $this->submitForm($edit, 'Install');
    // Makes sure the module was NOT installed.
    $this->assertSession()
      ->pageTextContains('Requirements 1 Test failed requirements');
    $this->assertModules([
      'requirements1_test',
    ], FALSE);
  }

}