public function ParagraphsAdministrationTest::testParagraphsCreation in Paragraphs 8

Same name in this branch

1. 8 tests/src/Functional/WidgetLegacy/ParagraphsAdministrationTest.php \Drupal\Tests\paragraphs\Functional\WidgetLegacy\ParagraphsAdministrationTest::testParagraphsCreation()
2. 8 tests/src/Functional/WidgetStable/ParagraphsAdministrationTest.php \Drupal\Tests\paragraphs\Functional\WidgetStable\ParagraphsAdministrationTest::testParagraphsCreation()

Tests the paragraph creation.

File

tests/src/Functional/WidgetStable/ParagraphsAdministrationTest.php, line 133

Class

ParagraphsAdministrationTest

Tests the configuration of paragraphs.

Namespace

Drupal\Tests\paragraphs\Functional\WidgetStable

Code

public function testParagraphsCreation() {

  // Create an article with paragraphs field.
  $this
    ->addParagraphedContentType('article');
  $this
    ->loginAsAdmin([
    'administer site configuration',
    'create article content',
    'create paragraphs content',
    'administer node display',
    'administer paragraph display',
    'edit any article content',
    'delete any article content',
    'access files overview',
  ]);

  // Assert suggested 'Add a paragraph type' link when there is no type yet.
  $this
    ->drupalGet('admin/structure/paragraphs_type');
  $this
    ->assertSession()
    ->pageTextContains('There are no Paragraphs types yet.');
  $this
    ->drupalGet('admin/structure/types/manage/paragraphs/fields/add-field');
  $edit = [
    'new_storage_type' => 'field_ui:entity_reference_revisions:paragraph',
    'label' => 'Paragraph',
    'field_name' => 'paragraph',
  ];
  $this
    ->submitForm($edit, 'Save and continue');
  $this
    ->submitForm([], 'Save field settings');
  $this
    ->assertSession()
    ->linkByHrefExists('admin/structure/paragraphs_type/add');
  $this
    ->clickLink('here');
  $this
    ->assertSession()
    ->addressEquals('admin/structure/paragraphs_type/add');
  $this
    ->drupalGet('admin/structure/paragraphs_type');
  $this
    ->clickLink('Add paragraph type');
  $this
    ->assertSession()
    ->titleEquals('Add Paragraphs type | Drupal');

  // Create paragraph type text + image.
  $this
    ->addParagraphsType('text_image');
  $this
    ->drupalGet('admin/structure/paragraphs_type/text_image');
  $this
    ->assertSession()
    ->titleEquals('Edit text_image paragraph type | Drupal');

  // Create field types for text and image.
  static::fieldUIAddNewField('admin/structure/paragraphs_type/text_image', 'text', 'Text', 'text_long', array(), array());
  $this
    ->assertSession()
    ->pageTextContains('Saved Text configuration.');
  static::fieldUIAddNewField('admin/structure/paragraphs_type/text_image', 'image', 'Image', 'image', array(), array(
    'settings[alt_field_required]' => FALSE,
  ));
  $this
    ->assertSession()
    ->pageTextContains('Saved Image configuration.');

  // Create paragraph type Nested test.
  $this
    ->addParagraphsType('nested_test');
  static::fieldUIAddNewField('admin/structure/paragraphs_type/nested_test', 'paragraphs', 'Paragraphs', 'entity_reference_revisions', array(
    'settings[target_type]' => 'paragraph',
    'cardinality' => '-1',
  ), array());

  // Change the add more button to select mode.
  $this
    ->clickLink('Manage form display');
  $this
    ->submitForm([
    'fields[field_paragraphs][type]' => 'paragraphs',
  ], 'field_paragraphs_settings_edit');
  $this
    ->submitForm([
    'fields[field_paragraphs][settings_edit_form][settings][add_mode]' => 'select',
  ], 'Update');
  $this
    ->submitForm([], 'Save');

  // Create paragraph type image.
  $this
    ->addParagraphsType('image');

  // Create field types for image.
  static::fieldUIAddNewField('admin/structure/paragraphs_type/image', 'image_only', 'Image only', 'image', array(), array());
  $this
    ->assertSession()
    ->pageTextContains('Saved Image only configuration.');
  $this
    ->drupalGet('admin/structure/paragraphs_type');
  $rows = $this
    ->xpath('//tbody/tr');

  // Make sure 2 types are available with their label.
  $this
    ->assertEquals(count($rows), 3);
  $this
    ->assertSession()
    ->pageTextContains('text_image');
  $this
    ->assertSession()
    ->pageTextContains('image');

  // Make sure there is an edit link for each type.
  $this
    ->clickLink('Edit');

  // Make sure the field UI appears.
  $this
    ->assertSession()
    ->linkExists('Manage fields');
  $this
    ->assertSession()
    ->linkExists('Manage form display');
  $this
    ->assertSession()
    ->linkExists('Manage display');
  $this
    ->assertSession()
    ->titleEquals('Edit image paragraph type | Drupal');

  // Test for "Add mode" setting.
  $this
    ->drupalGet('admin/structure/types/manage/article/form-display');
  $field_name = 'field_paragraphs';

  // Click on the widget settings button to open the widget settings form.
  $this
    ->submitForm([
    'fields[field_paragraphs][type]' => 'paragraphs',
  ], $field_name . "_settings_edit");

  // Enable setting.
  $edit = array(
    'fields[' . $field_name . '][settings_edit_form][settings][add_mode]' => 'button',
  );
  $this
    ->submitForm($edit, 'Save');

  // Check if the setting is stored.
  $this
    ->drupalGet('admin/structure/types/manage/article/form-display');
  $this
    ->assertSession()
    ->pageTextContains('Add mode: Buttons', 'Checking the settings value.');
  $this
    ->submitForm(array(), $field_name . "_settings_edit");

  // Assert the 'Buttons' option is selected.
  $add_mode_option = $this
    ->assertSession()
    ->optionExists('edit-fields-field-paragraphs-settings-edit-form-settings-add-mode', 'button');
  $this
    ->assertTrue($add_mode_option
    ->hasAttribute('selected'), 'Updated value is correct!.');

  // Add two Text + Image paragraphs in article.
  $this
    ->drupalGet('node/add/article');
  $this
    ->submitForm(array(), 'field_paragraphs_text_image_add_more');
  $this
    ->submitForm(array(), 'field_paragraphs_text_image_add_more');

  // Upload some images.
  $files = $this
    ->getTestFiles('image');
  $file_system = \Drupal::service('file_system');
  $edit = array(
    'title[0][value]' => 'Test article',
    'field_paragraphs[0][subform][field_text][0][value]' => 'Test text 1',
    'files[field_paragraphs_0_subform_field_image_0]' => $file_system
      ->realpath($files[0]->uri),
    'field_paragraphs[1][subform][field_text][0][value]' => 'Test text 2',
    'files[field_paragraphs_1_subform_field_image_0]' => $file_system
      ->realpath($files[1]->uri),
  );
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('article Test article has been created.');
  $node = $this
    ->drupalGetNodeByTitle('Test article');
  $img1_url = file_create_url(\Drupal::token()
    ->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[0]->filename));
  $img2_url = file_create_url(\Drupal::token()
    ->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[1]->filename));
  $img1_size = filesize($files[0]->uri);
  $img2_size = filesize($files[1]->uri);
  $img1_mime = \Drupal::service('file.mime_type.guesser')
    ->guess($files[0]->uri);
  $img2_mime = \Drupal::service('file.mime_type.guesser')
    ->guess($files[1]->uri);

  // Check the text and image after publish.
  $this
    ->assertSession()
    ->pageTextContains('Test text 1');
  $this
    ->assertSession()
    ->responseContains('<img src="' . file_url_transform_relative($img1_url));
  $this
    ->assertSession()
    ->pageTextContains('Test text 2');
  $this
    ->assertSession()
    ->responseContains('<img src="' . file_url_transform_relative($img2_url));

  // Tests for "Edit mode" settings.
  // Test for closed setting.
  $this
    ->drupalGet('admin/structure/types/manage/article/form-display');

  // Click on the widget settings button to open the widget settings form.
  $this
    ->submitForm(array(), "field_paragraphs_settings_edit");

  // Enable setting.
  $edit = array(
    'fields[field_paragraphs][settings_edit_form][settings][edit_mode]' => 'closed',
  );
  $this
    ->submitForm($edit, 'Save');

  // Check if the setting is stored.
  $this
    ->assertSession()
    ->pageTextContains('Edit mode: Closed', 'Checking the settings value.');
  $this
    ->submitForm(array(), "field_paragraphs_settings_edit");

  // Assert the 'Closed' option is selected.
  $edit_mode_option = $this
    ->assertSession()
    ->optionExists('edit-fields-field-paragraphs-settings-edit-form-settings-edit-mode', 'closed');
  $this
    ->assertTrue($edit_mode_option
    ->hasAttribute('selected'), 'Updated value correctly.');
  $this
    ->drupalGet('node/1/edit');

  // The textareas for paragraphs should not be visible.
  $this
    ->assertSession()
    ->responseNotContains('field_paragraphs[0][subform][field_text][0][value]');
  $this
    ->assertSession()
    ->responseNotContains('field_paragraphs[1][subform][field_text][0][value]');
  $this
    ->assertSession()
    ->responseContains('<span class="summary-content">Test text 1</span>, <span class="summary-content">' . $files[0]->filename);
  $this
    ->assertSession()
    ->responseContains('<span class="summary-content">Test text 2</span>, <span class="summary-content">' . $files[1]->filename);

  // Test for preview option.
  $this
    ->drupalGet('admin/structure/types/manage/article/form-display');
  $this
    ->submitForm(array(), "field_paragraphs_settings_edit");
  $edit = [
    'fields[field_paragraphs][settings_edit_form][settings][edit_mode]' => 'closed',
    'fields[field_paragraphs][settings_edit_form][settings][closed_mode]' => 'preview',
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('Edit mode: Closed', 'Checking the "Edit mode" setting value.');
  $this
    ->assertSession()
    ->pageTextContains('Closed mode: Preview', 'Checking the "Closed mode" settings value.');
  $this
    ->drupalGet('node/1/edit');

  // The texts in the paragraphs should be visible.
  $this
    ->assertSession()
    ->responseNotContains('field_paragraphs[0][subform][field_text][0][value]');
  $this
    ->assertSession()
    ->responseNotContains('field_paragraphs[1][subform][field_text][0][value]');
  $this
    ->assertSession()
    ->pageTextContains('Test text 1');
  $this
    ->assertSession()
    ->pageTextContains('Test text 2');

  // Test for open option.
  $this
    ->drupalGet('admin/structure/types/manage/article/form-display');
  $this
    ->submitForm(array(), "field_paragraphs_settings_edit");

  // Assert the "Closed" and "Preview" options are selected.
  $edit_mode_option = $this
    ->assertSession()
    ->optionExists('edit-fields-field-paragraphs-settings-edit-form-settings-edit-mode', 'closed');
  $this
    ->assertTrue($edit_mode_option
    ->hasAttribute('selected'), 'Correctly updated the "Edit mode" value.');
  $closed_mode_option = $this
    ->assertSession()
    ->optionExists('edit-fields-field-paragraphs-settings-edit-form-settings-closed-mode', 'preview');
  $this
    ->assertTrue($closed_mode_option
    ->hasAttribute('selected'), 'Correctly updated the "Closed mode" value.');

  // Restore the value to Open for next test.
  $edit = array(
    'fields[field_paragraphs][settings_edit_form][settings][edit_mode]' => 'open',
  );
  $this
    ->submitForm($edit, 'Save');
  $this
    ->drupalGet('node/1/edit');

  // The textareas for paragraphs should be visible.
  $this
    ->assertSession()
    ->responseContains('field_paragraphs[0][subform][field_text][0][value]');
  $this
    ->assertSession()
    ->responseContains('field_paragraphs[1][subform][field_text][0][value]');
  $paragraphs = Paragraph::loadMultiple();
  $this
    ->assertEquals(count($paragraphs), 2, 'Two paragraphs in article');

  // Check article edit page.
  $this
    ->drupalGet('node/' . $node
    ->id() . '/edit');

  // Check both paragraphs in edit page.
  $this
    ->assertSession()
    ->fieldValueEquals('field_paragraphs[0][subform][field_text][0][value]', 'Test text 1');
  $this
    ->assertSession()
    ->responseContains('<a href="' . $img1_url . '" type="' . $img1_mime . '; length=' . $img1_size . '">' . $files[0]->filename . '</a>');
  $this
    ->assertSession()
    ->fieldValueEquals('field_paragraphs[1][subform][field_text][0][value]', 'Test text 2');
  $this
    ->assertSession()
    ->responseContains('<a href="' . $img2_url . '" type="' . $img2_mime . '; length=' . $img2_size . '">' . $files[1]->filename . '</a>');

  // Remove 2nd paragraph.
  $this
    ->getSession()
    ->getPage()
    ->find('css', '[name="field_paragraphs_1_remove"]')
    ->press();
  $this
    ->assertSession()
    ->fieldNotExists('field_paragraphs[1][subform][field_text][0][value]');
  $this
    ->assertSession()
    ->responseNotContains('<a href="' . $img2_url . '" type="' . $img2_mime . '; length=' . $img2_size . '">' . $files[1]->filename . '</a>');

  // Assert the paragraph is not deleted unless the user saves the node.
  $this
    ->drupalGet('node/' . $node
    ->id() . '/edit');
  $this
    ->assertSession()
    ->responseContains('<a href="' . $img2_url . '" type="' . $img2_mime . '; length=' . $img2_size . '">' . $files[1]->filename . '</a>');

  // Remove the second paragraph.
  $this
    ->getSession()
    ->getPage()
    ->find('css', '[name="field_paragraphs_1_remove"]')
    ->press();
  $this
    ->assertSession()
    ->responseNotContains('<a href="' . $img2_url . '" type="' . $img2_mime . '; length=' . $img2_size . '">' . $files[1]->filename . '</a>');
  $edit = [
    'field_paragraphs[0][subform][field_image][0][alt]' => 'test_alt',
  ];
  $this
    ->submitForm($edit, 'Save');

  // Assert the paragraph is deleted after the user saves the node.
  $this
    ->drupalGet('node/' . $node
    ->id() . '/edit');
  $this
    ->assertSession()
    ->responseNotContains('<a href="' . $img2_url . '" type="' . $img2_mime . '; length=' . $img2_size . '">' . $files[1]->filename . '</a>');

  // Delete the node.
  $this
    ->clickLink('Delete');
  $this
    ->submitForm([], 'Delete');
  $this
    ->assertSession()
    ->pageTextContains('Test article has been deleted.');

  // Check if the publish/unpublish option works.
  $this
    ->drupalGet('admin/structure/paragraphs_type/text_image/form-display');
  $edit = [
    'fields[status][type]' => 'boolean_checkbox',
    'fields[status][region]' => 'content',
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->drupalGet('node/add/article');
  $this
    ->submitForm([], 'Add text_image');
  $this
    ->assertSession()
    ->responseContains('edit-field-paragraphs-0-subform-status-value');
  $edit = [
    'title[0][value]' => 'Example publish/unpublish',
    'field_paragraphs[0][subform][field_text][0][value]' => 'Example published and unpublished',
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('Example published and unpublished');
  $this
    ->clickLink('Edit');
  $edit = [
    'field_paragraphs[0][subform][status][value]' => FALSE,
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextNotContains('Example published and unpublished');

  // Set the fields as required.
  $this
    ->drupalGet('admin/structure/types/manage/article/fields');
  $this
    ->clickLink('Edit', 1);
  $this
    ->submitForm([
    'preview_mode' => '1',
  ], 'Save content type');
  $this
    ->drupalGet('admin/structure/paragraphs_type/nested_test/fields');
  $this
    ->clickLink('Edit');
  $this
    ->submitForm([
    'required' => TRUE,
  ], 'Save settings');

  // Add a new article.
  $this
    ->drupalGet('node/add/article');
  $this
    ->submitForm([], 'field_paragraphs_nested_test_add_more');

  // Ensure that nested header actions do not add a visible weight field.
  $this
    ->assertSession()
    ->fieldNotExists('field_paragraphs[0][subform][field_paragraphs][header_actions][_weight]');
  $edit = [
    'field_paragraphs[0][subform][field_paragraphs][add_more][add_more_select]' => 'image',
  ];
  $this
    ->submitForm($edit, 'field_paragraphs_0_subform_field_paragraphs_add_more');

  // Test the new field is displayed.
  $this
    ->assertSession()
    ->fieldExists('files[field_paragraphs_0_subform_field_paragraphs_0_subform_field_image_only_0]');

  // Add an image to the required field.
  $edit = array(
    'title[0][value]' => 'test required',
    'files[field_paragraphs_0_subform_field_paragraphs_0_subform_field_image_only_0]' => $file_system
      ->realpath($files[2]->uri),
  );
  $this
    ->submitForm($edit, 'Save');
  $edit = [
    'field_paragraphs[0][subform][field_paragraphs][0][subform][field_image_only][0][alt]' => 'Alternative_text',
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('test required has been created.');
  $this
    ->assertSession()
    ->responseNotContains('This value should not be null.');

  // Test that unsupported widgets are not displayed.
  $this
    ->drupalGet('admin/structure/types/manage/article/form-display');
  $select = $this
    ->xpath('//*[@id="edit-fields-field-paragraphs-type"]')[0];
  $this
    ->assertCount(2, $select
    ->findAll('css', 'option'));
  $this
    ->assertSession()
    ->responseContains('value="paragraphs" selected="selected"');

  // Check that Paragraphs is not displayed as an entity_reference field
  // reference option.
  $this
    ->drupalGet('admin/structure/types/manage/article/fields/add-field');
  $edit = [
    'new_storage_type' => 'entity_reference',
    'label' => 'unsupported field',
    'field_name' => 'unsupportedfield',
  ];
  $this
    ->submitForm($edit, 'Save and continue');
  $this
    ->assertSession()
    ->optionNotExists('edit-settings-target-type', 'paragraph');

  // Test that all Paragraph types can be referenced if none is selected.
  $this
    ->addParagraphsType('nested_double_test');
  static::fieldUIAddExistingField('admin/structure/paragraphs_type/nested_double_test', 'field_paragraphs', 'paragraphs_1');
  $this
    ->clickLink('Manage form display');
  $this
    ->submitForm([], 'Save');

  //$this->drupalPostForm(NULL, array('fields[field_paragraphs][type]' => 'entity_reference_revisions_entity_view'), 'Save');
  static::fieldUIAddNewField('admin/structure/paragraphs_type/nested_double_test', 'paragraphs_2', 'paragraphs_2', 'entity_reference_revisions', array(
    'settings[target_type]' => 'paragraph',
    'cardinality' => '-1',
  ), array());
  $this
    ->clickLink('Manage form display');
  $this
    ->submitForm([], 'Save');
  $this
    ->drupalGet('node/add/article');
  $this
    ->submitForm([], 'field_paragraphs_nested_test_add_more');
  $edit = [
    'field_paragraphs[0][subform][field_paragraphs][add_more][add_more_select]' => 'nested_double_test',
  ];
  $this
    ->submitForm($edit, 'field_paragraphs_0_subform_field_paragraphs_add_more');
  $this
    ->submitForm([], 'field_paragraphs_0_subform_field_paragraphs_0_subform_field_paragraphs_image_add_more');
  $edit = array(
    'title[0][value]' => 'Nested twins',
  );
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('Nested twins has been created.');
  $this
    ->assertSession()
    ->pageTextNotContains('This entity (paragraph: ) cannot be referenced.');

  // Set the fields as not required.
  $this
    ->drupalGet('admin/structure/types/manage/article/fields');
  $this
    ->clickLink('Edit', 1);
  $this
    ->submitForm([
    'required' => FALSE,
  ], 'Save settings');

  // Set the Paragraph field edit mode to "Closed" and the closed mode to
  // "Summary".
  $settings = [
    'edit_mode' => 'closed',
    'closed_mode' => 'summary',
  ];
  $this
    ->setParagraphsWidgetSettings('article', 'field_paragraphs', $settings);
  $this
    ->addParagraphsType('node_test');

  // Add a required node reference field.
  static::fieldUIAddNewField('admin/structure/paragraphs_type/node_test', 'entity_reference', 'Entity reference', 'entity_reference', array(
    'settings[target_type]' => 'node',
    'cardinality' => '-1',
  ), [
    'settings[handler_settings][target_bundles][article]' => TRUE,
    'required' => TRUE,
  ]);
  $node = $this
    ->drupalGetNodeByTitle('Nested twins');

  // Create a node with a reference in a Paragraph.
  $this
    ->drupalGet('node/add/article');
  $this
    ->submitForm([], 'field_paragraphs_node_test_add_more');
  \Drupal::service('entity_field.manager')
    ->clearCachedFieldDefinitions();
  $edit = [
    'field_paragraphs[0][subform][field_entity_reference][0][target_id]' => $node
      ->label() . ' (' . $node
      ->id() . ')',
    'title[0][value]' => 'choke test',
  ];
  $this
    ->submitForm($edit, 'Save');

  // Delete the referenced node.
  $node
    ->delete();

  // Edit the node with the reference.
  $this
    ->clickLink('Edit');

  // Adding another required paragraph and deleting that again should not
  // validate closed paragraphs but trying to save the node should.
  $this
    ->submitForm(array(), 'field_paragraphs_node_test_add_more');
  $this
    ->assertSession()
    ->pageTextNotContains('The referenced entity (node: ' . $node
    ->id() . ') does not exist.');
  $this
    ->assertSession()
    ->fieldExists('field_paragraphs[1][subform][field_entity_reference][0][target_id]');
  $this
    ->submitForm(array(), 'field_paragraphs_1_remove');
  $this
    ->assertSession()
    ->pageTextNotContains('The referenced entity (node: ' . $node
    ->id() . ') does not exist.');
  $this
    ->assertSession()
    ->fieldNotExists('field_paragraphs[1][subform][field_entity_reference][0][target_id]');
  $this
    ->submitForm([], 'Save');
  $this
    ->assertSession()
    ->pageTextContains('Validation error on collapsed paragraph field_entity_reference.0.target_id: The referenced entity (node: ' . $node
    ->id() . ') does not exist.');

  // Attempt to edit the Paragraph.
  $this
    ->submitForm([], 'field_paragraphs_0_edit');

  // Try to collapse with an invalid reference.
  $this
    ->submitForm([
    'field_paragraphs[0][subform][field_entity_reference][0][target_id]' => 'foo',
  ], 'field_paragraphs_0_collapse');

  // Paragraph should be still in edit mode.
  $this
    ->assertSession()
    ->fieldExists('field_paragraphs[0][subform][field_entity_reference][0][target_id]');
  $this
    ->assertSession()
    ->fieldExists('field_paragraphs[0][subform][field_entity_reference][1][target_id]');

  // Assert the validation message.
  $this
    ->assertSession()
    ->pageTextContains('There are no entities matching "foo".');

  // Fix the broken reference.
  $node = $this
    ->drupalGetNodeByTitle('Example publish/unpublish');
  $edit = [
    'field_paragraphs[0][subform][field_entity_reference][0][target_id]' => $node
      ->label() . ' (' . $node
      ->id() . ')',
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('choke test has been updated.');
  $this
    ->assertSession()
    ->linkExists('Example publish/unpublish');

  // Delete the new referenced node.
  $node
    ->delete();

  // Set the Paragraph field closed mode to "Preview".
  $settings = [
    'edit_mode' => 'closed',
    'closed_mode' => 'preview',
  ];
  $this
    ->setParagraphsWidgetSettings('article', 'field_paragraphs', $settings);
  $node = $this
    ->drupalGetNodeByTitle('choke test');

  // Attempt to edit the Paragraph.
  $this
    ->drupalGet('node/' . $node
    ->id() . '/edit');

  // Attempt to edit the Paragraph.
  $this
    ->submitForm([], 'field_paragraphs_0_edit');

  // Try to save with an invalid reference.
  $edit = [
    'field_paragraphs[0][subform][field_entity_reference][0][target_id]' => 'foo',
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('There are no entities matching "foo".');

  // Remove the Paragraph and save the node.
  $this
    ->submitForm([], 'field_paragraphs_0_remove');
  $this
    ->submitForm([], 'Save');
  $this
    ->assertSession()
    ->pageTextContains('choke test has been updated.');
  $this
    ->drupalGet('admin/structure/types/manage/article/fields');
  $this
    ->clickLink('Edit');
  $this
    ->submitForm([
    'description' => 'This is the description of the field.',
  ], 'Save settings');

  // Verify that the text displayed is correct when no paragraph has been
  // added yet.
  $this
    ->drupalGet('node/add/article');
  $this
    ->assertSession()
    ->pageTextContains('This is the description of the field.');
  $elements = $this
    ->xpath('//table[@id="field-paragraphs-values"]/tbody');
  $header = $this
    ->xpath('//table[@id="field-paragraphs-values"]/thead');
  $this
    ->assertEquals($elements, []);
  $this
    ->assertNotEquals($header, []);
  $this
    ->drupalGet('admin/content/files');
  $this
    ->clickLink('1 place');
  $label = $this
    ->xpath('//tbody/tr/td[1]');
  $this
    ->assertEquals(trim(htmlspecialchars_decode(strip_tags($label[0]
    ->getText()))), 'test required > field_paragraphs > Paragraphs');
}