public function WebAssert::pageTextContainsOnce in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/Tests/WebAssert.php \Drupal\Tests\WebAssert::pageTextContainsOnce()

Checks that current page contains text only once.

Parameters

string $text: The string to look for.

See also

\Behat\Mink\WebAssert::pageTextContains()

File

core/tests/Drupal/Tests/WebAssert.php, line 610

Class

WebAssert

Defines a class with methods for asserting presence of elements during tests.

Namespace

Drupal\Tests

Code

public function pageTextContainsOnce($text) {
  $actual = $this->session
    ->getPage()
    ->getText();
  $actual = preg_replace('/\\s+/u', ' ', $actual);
  $regex = '/' . preg_quote($text, '/') . '/ui';
  $count = preg_match_all($regex, $actual);
  if ($count === 1) {
    return;
  }
  if ($count > 1) {
    $message = sprintf('The text "%s" appears in the text of this page more than once, but it should not.', $text);
  }
  else {
    $message = sprintf('The text "%s" was not found anywhere in the text of the current page.', $text);
  }
  throw new ResponseTextException($message, $this->session
    ->getDriver());
}