class DateTimeTest

class DateTimeTest extends BrowserTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'block',
    'node',
    'language',
    'field',
    'field_ui',
    'datetime',
    'options',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Create admin user and log in admin user.
    $this->drupalLogin($this->drupalCreateUser([
      'administer site configuration',
      'administer content types',
      'administer nodes',
      'administer node fields',
      'administer node form display',
      'administer node display',
    ]));
    $this->drupalPlaceBlock('local_actions_block');
  }
  
  /**
   * Tests time zones and DST handling.
   */
  public function testTimeZoneHandling() {
    // Setup date/time settings for Honolulu time.
    $config = $this->config('system.date')
      ->set('timezone.default', 'Pacific/Honolulu')
      ->set('timezone.user.configurable', 0)
      ->save();
    DateFormat::load('medium')->setPattern('Y-m-d H:i:s O')
      ->save();
    // Create some nodes with different authored-on dates.
    $date1 = '2007-01-31 21:00:00 -1000';
    $date2 = '2007-07-31 21:00:00 -1000';
    $this->drupalCreateContentType([
      'type' => 'article',
    ]);
    $node1 = $this->drupalCreateNode([
      'created' => strtotime($date1),
      'type' => 'article',
    ]);
    $node2 = $this->drupalCreateNode([
      'created' => strtotime($date2),
      'type' => 'article',
    ]);
    // Confirm date format and time zone.
    $this->drupalGet('node/' . $node1->id());
    // Date should be identical, with GMT offset of -10 hours.
    $this->assertSession()
      ->pageTextContains('2007-01-31 21:00:00 -1000');
    $this->drupalGet('node/' . $node2->id());
    // Date should be identical, with GMT offset of -10 hours.
    $this->assertSession()
      ->pageTextContains('2007-07-31 21:00:00 -1000');
    // Set time zone to Los Angeles time.
    $config->set('timezone.default', 'America/Los_Angeles')
      ->save();
    \Drupal::entityTypeManager()->getViewBuilder('node')
      ->resetCache([
      $node1,
      $node2,
    ]);
    // Confirm date format and time zone.
    $this->drupalGet('node/' . $node1->id());
    // Date should be two hours ahead, with GMT offset of -8 hours.
    $this->assertSession()
      ->pageTextContains('2007-01-31 23:00:00 -0800');
    $this->drupalGet('node/' . $node2->id());
    // Date should be three hours ahead, with GMT offset of -7 hours.
    $this->assertSession()
      ->pageTextContains('2007-08-01 00:00:00 -0700');
  }
  
  /**
   * Tests date format configuration.
   */
  public function testDateFormatConfiguration() {
    // Confirm 'no custom date formats available' message appears.
    $this->drupalGet('admin/config/regional/date-time');
    // Add custom date format.
    $this->clickLink('Add format');
    $date_format_id = strtolower($this->randomMachineName(8));
    $name = ucwords($date_format_id);
    $date_format = 'd.m.Y - H:i';
    $edit = [
      'id' => $date_format_id,
      'label' => $name,
      'date_format_pattern' => $date_format,
    ];
    $this->drupalGet('admin/config/regional/date-time/formats/add');
    $this->submitForm($edit, 'Add format');
    // Verify that the user is redirected to the correct page.
    $this->assertSession()
      ->addressEquals(Url::fromRoute('entity.date_format.collection'));
    // Check that date format added confirmation message appears.
    $this->assertSession()
      ->pageTextContains('Custom date format added.');
    // Check that custom date format appears in the date format list.
    $this->assertSession()
      ->pageTextContains($name);
    // Check that the delete link for custom date format appears.
    $this->assertSession()
      ->pageTextContains('Delete');
    // Edit the custom date format and re-save without editing the format.
    $this->drupalGet('admin/config/regional/date-time');
    $this->clickLink('Edit');
    $this->submitForm([], 'Save format');
    // Verify that the user is redirected to the correct page.
    $this->assertSession()
      ->addressEquals(Url::fromRoute('entity.date_format.collection'));
    $this->assertSession()
      ->pageTextContains('Custom date format updated.');
    // Edit custom date format.
    $this->drupalGet('admin/config/regional/date-time');
    $this->clickLink('Edit');
    $edit = [
      'date_format_pattern' => 'Y m',
    ];
    $this->drupalGet($this->getUrl());
    $this->submitForm($edit, 'Save format');
    // Verify that the user is redirected to the correct page.
    $this->assertSession()
      ->addressEquals(Url::fromRoute('entity.date_format.collection'));
    $this->assertSession()
      ->pageTextContains('Custom date format updated.');
    // Delete custom date format.
    $this->clickLink('Delete');
    $this->drupalGet('admin/config/regional/date-time/formats/manage/' . $date_format_id . '/delete');
    $this->submitForm([], 'Delete');
    // Verify that the user is redirected to the correct page.
    $this->assertSession()
      ->addressEquals(Url::fromRoute('entity.date_format.collection'));
    $this->assertSession()
      ->pageTextContains("The date format {$name} has been deleted.");
    // Make sure the date does not exist in config.
    $date_format = DateFormat::load($date_format_id);
    $this->assertNull($date_format);
    // Add a new date format with an existing format.
    $date_format_id = strtolower($this->randomMachineName(8));
    $name = ucwords($date_format_id);
    $date_format = 'Y';
    $edit = [
      'id' => $date_format_id,
      'label' => $name,
      'date_format_pattern' => $date_format,
    ];
    $this->drupalGet('admin/config/regional/date-time/formats/add');
    $this->submitForm($edit, 'Add format');
    // Verify that the user is redirected to the correct page.
    $this->assertSession()
      ->addressEquals(Url::fromRoute('entity.date_format.collection'));
    $this->assertSession()
      ->pageTextContains('Custom date format added.');
    // Check that the custom date format appears in the date format list.
    $this->assertSession()
      ->pageTextContains($name);
    // Check that the delete link for custom date format appears.
    $this->assertSession()
      ->pageTextContains('Delete');
    $date_format = DateFormat::create([
      'id' => 'xss_short',
      'label' => 'XSS format',
      'pattern' => '\\<\\s\\c\\r\\i\\p\\t\\>\\a\\l\\e\\r\\t\\(\'\\X\\S\\S\'\\)\\;\\<\\/\\s\\c\\r\\i\\p\\t\\>',
    ]);
    $date_format->save();
    $this->drupalGet(Url::fromRoute('entity.date_format.collection'));
    // Ensure that the date format is properly escaped.
    $this->assertSession()
      ->assertEscaped("<script>alert('XSS');</script>");
    // Add a new date format with HTML in it.
    $date_format_id = strtolower($this->randomMachineName(8));
    $name = ucwords($date_format_id);
    $date_format = '& \\<\\e\\m\\>Y\\<\\/\\e\\m\\>';
    $edit = [
      'id' => $date_format_id,
      'label' => $name,
      'date_format_pattern' => $date_format,
    ];
    $this->drupalGet('admin/config/regional/date-time/formats/add');
    $this->submitForm($edit, 'Add format');
    // Verify that the user is redirected to the correct page.
    $this->assertSession()
      ->addressEquals(Url::fromRoute('entity.date_format.collection'));
    $this->assertSession()
      ->pageTextContains('Custom date format added.');
    // Check that the custom date format appears in the date format list.
    $this->assertSession()
      ->pageTextContains($name);
    $this->assertSession()
      ->assertEscaped('<em>' . date("Y") . '</em>');
  }
  
  /**
   * Tests handling case with invalid data in selectors (like February, 31st).
   */
  public function testEnteringDateTimeViaSelectors() {
    $this->drupalCreateContentType([
      'type' => 'page_with_date',
      'name' => 'Page with date',
    ]);
    $this->drupalGet('admin/structure/types/manage/page_with_date');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->drupalGet('admin/structure/types/manage/page_with_date/fields/add-field');
    $edit = [
      'new_storage_type' => 'datetime',
      'label' => 'dt',
      'field_name' => 'dt',
    ];
    $this->drupalGet('admin/structure/types/manage/page_with_date/fields/add-field');
    $this->submitForm($edit, 'Save and continue');
    // Check that the new datetime field was created, and process is now set
    // to continue for configuration.
    $this->assertSession()
      ->pageTextContains('These settings apply to the');
    $this->drupalGet('admin/structure/types/manage/page_with_date/fields/node.page_with_date.field_dt/storage');
    $edit = [
      'settings[datetime_type]' => 'datetime',
      'cardinality' => 'number',
      'cardinality_number' => '1',
    ];
    $this->drupalGet('admin/structure/types/manage/page_with_date/fields/node.page_with_date.field_dt/storage');
    $this->submitForm($edit, 'Save field settings');
    $this->drupalGet('admin/structure/types/manage/page_with_date/fields');
    $this->assertSession()
      ->pageTextContains('field_dt');
    $this->drupalGet('admin/structure/types/manage/page_with_date/form-display');
    $edit = [
      'fields[field_dt][type]' => 'datetime_datelist',
      'fields[field_dt][region]' => 'content',
    ];
    $this->drupalGet('admin/structure/types/manage/page_with_date/form-display');
    $this->submitForm($edit, 'Save');
    $this->drupalLogout();
    // Now log in as a regular editor.
    $this->drupalLogin($this->drupalCreateUser([
      'create page_with_date content',
    ]));
    $this->drupalGet('node/add/page_with_date');
    $edit = [
      'title[0][value]' => 'sample doc',
      'field_dt[0][value][year]' => '2016',
      'field_dt[0][value][month]' => '2',
      'field_dt[0][value][day]' => '31',
      'field_dt[0][value][hour]' => '1',
      'field_dt[0][value][minute]' => '30',
    ];
    $this->drupalGet('node/add/page_with_date');
    $this->submitForm($edit, 'Save');
    $this->assertSession()
      ->pageTextContains('Selected combination of day and month is not valid.');
    $edit['field_dt[0][value][day]'] = '29';
    $this->drupalGet('node/add/page_with_date');
    $this->submitForm($edit, 'Save');
    $this->assertSession()
      ->pageTextNotContains('Selected combination of day and month is not valid.');
    $this->drupalGet('node/1');
    $this->assertSession()
      ->pageTextContains('Mon, 02/29/2016 - 01:30');
  }

}