class TaxonomyRevisionVersionHistoryTest

class TaxonomyRevisionVersionHistoryTest extends KernelTestBase {
  use TaxonomyTestTrait;
  use UserCreationTrait {
    createUser as drupalCreateUser;
  }
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'taxonomy',
    'user',
    'text',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $permissions = [
    'view term revisions in test',
    'revert all taxonomy revisions',
    'delete all taxonomy revisions',
  ];
  
  /**
   * Vocabulary for testing.
   */
  private VocabularyInterface $vocabulary;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('user');
    $this->installEntitySchema('taxonomy_term');
    $this->installConfig([
      'system',
    ]);
    $this->vocabulary = $this->createVocabulary([
      'vid' => 'test',
      'name' => 'Test',
    ]);
  }
  
  /**
   * Tests version history page.
   */
  public function testVersionHistory() : void {
    $entity = Term::create([
      'vid' => $this->vocabulary
        ->id(),
      'name' => 'Test taxonomy term',
    ]);
    $entity->setDescription('Description 1')
      ->setRevisionCreationTime((new \DateTimeImmutable('1st June 2020 7am'))->getTimestamp())
      ->setRevisionLogMessage('first revision log')
      ->setRevisionUser($this->drupalCreateUser(name: 'first author'))
      ->setNewRevision();
    $entity->save();
    $entity->setDescription('Description 2')
      ->setRevisionCreationTime((new \DateTimeImmutable('2nd June 2020 8am'))->getTimestamp())
      ->setRevisionLogMessage('second revision log')
      ->setRevisionUser($this->drupalCreateUser(name: 'second author'))
      ->setNewRevision();
    $entity->save();
    $entity->setDescription('Description 3')
      ->setRevisionCreationTime((new \DateTimeImmutable('3rd June 2020 9am'))->getTimestamp())
      ->setRevisionLogMessage('third revision log')
      ->setRevisionUser($this->drupalCreateUser(name: 'third author'))
      ->setNewRevision();
    $entity->save();
    $this->setCurrentUser($this->drupalCreateUser($this->permissions));
    $this->drupalGet($entity->toUrl('version-history'));
    $this->assertSession()
      ->elementsCount('css', 'table tbody tr', 3);
    // Order is newest to oldest revision by creation order.
    $row1 = $this->assertSession()
      ->elementExists('css', 'table tbody tr:nth-child(1)');
    // Latest revision does not have revert or delete revision operation.
    $this->assertSession()
      ->elementNotExists('named', [
      'link',
      'Revert',
    ], $row1);
    $this->assertSession()
      ->elementNotExists('named', [
      'link',
      'Delete',
    ], $row1);
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(1)', 'Current revision');
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(1)', 'third revision log');
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(1)', '3 Jun 2020 - 09:00 by third author');
    $row2 = $this->assertSession()
      ->elementExists('css', 'table tbody tr:nth-child(2)');
    $this->assertSession()
      ->elementExists('named', [
      'link',
      'Revert',
    ], $row2);
    $this->assertSession()
      ->elementExists('named', [
      'link',
      'Delete',
    ], $row2);
    $this->assertSession()
      ->elementTextNotContains('css', 'table tbody tr:nth-child(2)', 'Current revision');
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(2)', 'second revision log');
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(2)', '2 Jun 2020 - 08:00 by second author');
    $row3 = $this->assertSession()
      ->elementExists('css', 'table tbody tr:nth-child(3)');
    $this->assertSession()
      ->elementExists('named', [
      'link',
      'Revert',
    ], $row3);
    $this->assertSession()
      ->elementExists('named', [
      'link',
      'Delete',
    ], $row3);
    $this->assertSession()
      ->elementTextNotContains('css', 'table tbody tr:nth-child(2)', 'Current revision');
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(3)', 'first revision log');
    $this->assertSession()
      ->elementTextContains('css', 'table tbody tr:nth-child(3)', '1 Jun 2020 - 07:00 by first author');
  }

}