BrokenSetUpTest.php

<?php

namespace Drupal\simpletest\Tests;

use Drupal\simpletest\WebTestBase;

/**
 * Tests a test case that does not call parent::setUp().
 *
 * If a test case does not call parent::setUp(), running
 * \Drupal\simpletest\WebTestBase::tearDown() would destroy the main site's
 * database tables. Therefore, we ensure that tests which are not set up
 * properly are skipped.
 *
 * @group WebTestBase
 * @group legacy
 *
 * @see \Drupal\simpletest\WebTestBase
 */
class BrokenSetUpTest extends WebTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'simpletest',
  ];
  
  /**
   * The path to the shared trigger file.
   *
   * @var string
   */
  protected $sharedTriggerFile;
  protected function setUp() {
    // If the test is being run from the main site, set up normally.
    if (!$this->isInChildSite()) {
      parent::setUp();
      $this->sharedTriggerFile = $this->publicFilesDirectory . '/trigger';
      // Create and log in user.
      $admin_user = $this->drupalCreateUser([
        'administer unit tests',
      ]);
      $this->drupalLogin($admin_user);
    }
    else {
      $this->sharedTriggerFile = $this->originalFileDirectory . '/trigger';
      if (file_get_contents($this->sharedTriggerFile) === 'setup') {
        throw new \Exception('Broken setup');
      }
      $this->pass('The setUp() method has run.');
    }
  }
  protected function tearDown() {
    // If the test is being run from the main site, tear down normally.
    if (!$this->isInChildSite()) {
      unlink($this->sharedTriggerFile);
      parent::tearDown();
    }
    else {
      if (file_get_contents($this->sharedTriggerFile) === 'teardown') {
        throw new \Exception('Broken teardown');
      }
      $this->pass('The tearDown() method has run.');
    }
  }
  
  /**
   * Runs this test case from within the simpletest child site.
   */
  public function testMethod() {
    // If the test is being run from the main site, run it again from the web
    // interface within the simpletest child site.
    if (!$this->isInChildSite()) {
      // Verify that a broken setUp() method is caught.
      file_put_contents($this->sharedTriggerFile, 'setup');
      $edit['tests[Drupal\\simpletest\\Tests\\BrokenSetUpTest]'] = TRUE;
      $this->drupalPostForm('admin/config/development/testing', $edit, t('Run tests'));
      $this->assertRaw('Broken setup');
      $this->assertNoRaw('The setUp() method has run.');
      $this->assertNoRaw('Broken test');
      $this->assertNoRaw('The test method has run.');
      $this->assertNoRaw('Broken teardown');
      $this->assertNoRaw('The tearDown() method has run.');
      // Verify that a broken tearDown() method is caught.
      file_put_contents($this->sharedTriggerFile, 'teardown');
      $edit['tests[Drupal\\simpletest\\Tests\\BrokenSetUpTest]'] = TRUE;
      $this->drupalPostForm('admin/config/development/testing', $edit, t('Run tests'));
      $this->assertNoRaw('Broken setup');
      $this->assertRaw('The setUp() method has run.');
      $this->assertNoRaw('Broken test');
      $this->assertRaw('The test method has run.');
      $this->assertRaw('Broken teardown');
      $this->assertNoRaw('The tearDown() method has run.');
      // Verify that a broken test method is caught.
      file_put_contents($this->sharedTriggerFile, 'test');
      $edit['tests[Drupal\\simpletest\\Tests\\BrokenSetUpTest]'] = TRUE;
      $this->drupalPostForm('admin/config/development/testing', $edit, t('Run tests'));
      $this->assertNoRaw('Broken setup');
      $this->assertRaw('The setUp() method has run.');
      $this->assertRaw('Broken test');
      $this->assertNoRaw('The test method has run.');
      $this->assertNoRaw('Broken teardown');
      $this->assertRaw('The tearDown() method has run.');
    }
    else {
      if (file_get_contents($this->sharedTriggerFile) === 'test') {
        throw new \Exception('Broken test');
      }
      $this->pass('The test method has run.');
    }
  }

}