function JSWebAssertTest::testJsWebAssert

Tests that JSWebAssert assertions work correctly.

File

core/tests/Drupal/FunctionalJavascriptTests/Tests/JSWebAssertTest.php, line 34

Class

JSWebAssertTest

Tests for the JSWebAssert class.

Namespace

Code

public function testJsWebAssert() : void {
  $this->drupalGet('js_webassert_test_form');
  $session = $this->getSession();
  $assert_session = $this->assertSession();
  $page = $session->getPage();
  $assert_session->elementExists('css', '[data-drupal-selector="edit-test-assert-no-element-after-wait-pass"]');
  $page->findButton('Test assertNoElementAfterWait: pass')
    ->press();
  $assert_session->assertNoElementAfterWait('css', '[data-drupal-selector="edit-test-assert-no-element-after-wait-pass"]', 1000);
  $assert_session->elementExists('css', '[data-drupal-selector="edit-test-assert-no-element-after-wait-fail"]');
  $page->findButton('Test assertNoElementAfterWait: fail')
    ->press();
  try {
    Timer::start('JSWebAssertTest');
    $assert_session->assertNoElementAfterWait('css', '[data-drupal-selector="edit-test-assert-no-element-after-wait-fail"]', 500, 'Element exists on page after too short wait.');
    // This test is fragile if webdriver responses are very slow for some
    // reason. If they are, do not fail the test.
    // @todo https://www.drupal.org/project/drupal/issues/3316317 remove this
    //   workaround.
    if (Timer::read('JSWebAssertTest') < 1000) {
      $this->fail("Element not exists on page after too short wait.");
    }
  } catch (ElementHtmlException $e) {
    $this->assertSame('Element exists on page after too short wait.', $e->getMessage());
  }
  $assert_session->assertNoElementAfterWait('css', '[data-drupal-selector="edit-test-assert-no-element-after-wait-fail"]', 2500, 'Element remove after another wait.ss');
  $test_button = $page->findButton('Add button');
  $test_link = $page->findButton('Add link');
  $test_field = $page->findButton('Add field');
  $test_id = $page->findButton('Add ID');
  $test_wait_on_ajax = $page->findButton('Test assertWaitOnAjaxRequest');
  $test_wait_on_element_visible = $page->findButton('Test waitForElementVisible');
  // Test the wait...() methods by first checking the fields aren't available
  // and then are available after the wait method.
  $result = $page->findButton('Added button');
  $this->assertEmpty($result);
  $test_button->click();
  $result = $assert_session->waitForButton('Added button');
  $this->assertNotEmpty($result);
  $this->assertInstanceOf(NodeElement::class, $result);
  $result = $page->findLink('Added link');
  $this->assertEmpty($result);
  $test_link->click();
  $result = $assert_session->waitForLink('Added link');
  $this->assertNotEmpty($result);
  $this->assertInstanceOf(NodeElement::class, $result);
  $result = $page->findField('added_field');
  $this->assertEmpty($result);
  $test_field->click();
  $result = $assert_session->waitForField('added_field');
  $this->assertNotEmpty($result);
  $this->assertInstanceOf(NodeElement::class, $result);
  $result = $page->findById('js_webassert_test_field_id');
  $this->assertEmpty($result);
  $test_id->click();
  $result = $assert_session->waitForId('js_webassert_test_field_id');
  $this->assertNotEmpty($result);
  $this->assertInstanceOf(NodeElement::class, $result);
  // Test waitOnAjaxRequest. Verify the element is available after the wait
  // and the behaviors have run on completing by checking the value.
  $result = $page->findField('test_assert_wait_on_ajax_input');
  $this->assertEmpty($result);
  $test_wait_on_ajax->click();
  $assert_session->assertWaitOnAjaxRequest();
  $result = $page->findField('test_assert_wait_on_ajax_input');
  $this->assertNotEmpty($result);
  $this->assertInstanceOf(NodeElement::class, $result);
  $this->assertEquals('js_webassert_test', $result->getValue());
  $result = $page->findButton('Added WaitForElementVisible');
  $this->assertEmpty($result);
  $test_wait_on_element_visible->click();
  $result = $assert_session->waitForElementVisible('named', [
    'button',
    'Added WaitForElementVisible',
  ]);
  $this->assertNotEmpty($result);
  $this->assertInstanceOf(NodeElement::class, $result);
  $this->assertEquals(TRUE, $result->isVisible());
  $this->drupalGet('js_webassert_test_page');
  // Ensure that the javascript has replaced the element 1100 times.
  $assert_session->waitForText('New Text!! 1100');
  $result = $page->find('named', [
    'id',
    'test_text',
  ]);
  $this->assertSame('test_text', $result->getAttribute('id'));
}