function PagePreviewTest::testPagePreview in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/node/src/Tests/PagePreviewTest.php \Drupal\node\Tests\PagePreviewTest::testPagePreview()

Checks the node preview functionality.

File

core/modules/node/src/Tests/PagePreviewTest.php, line 135

Contains \Drupal\node\Tests\PagePreviewTest.

Class

PagePreviewTest

Tests the node entity preview functionality.

Namespace

Drupal\node\Tests

Code

function testPagePreview() {
  $title_key = 'title[0][value]';
  $body_key = 'body[0][value]';
  $term_key = $this->fieldName . '[target_id]';

  // Fill in node creation form and preview node.
  $edit = array();
  $edit[$title_key] = '<em>' . $this
    ->randomMachineName(8) . '</em>';
  $edit[$body_key] = $this
    ->randomMachineName(16);
  $edit[$term_key] = $this->term
    ->getName();

  // Upload an image.
  $test_image = current($this
    ->drupalGetTestFiles('image', 39325));
  $edit['files[field_image_0][]'] = drupal_realpath($test_image->uri);
  $this
    ->drupalPostForm('node/add/page', $edit, t('Upload'));

  // Add an alt tag and preview the node.
  $this
    ->drupalPostForm(NULL, [
    'field_image[0][alt]' => 'Picture of llamas',
  ], t('Preview'));

  // Check that the preview is displaying the title, body and term.
  $this
    ->assertTitle(t('@title | Drupal', array(
    '@title' => $edit[$title_key],
  )), 'Basic page title is preview.');
  $this
    ->assertEscaped($edit[$title_key], 'Title displayed and escaped.');
  $this
    ->assertText($edit[$body_key], 'Body displayed.');
  $this
    ->assertText($edit[$term_key], 'Term displayed.');
  $this
    ->assertLink(t('Back to content editing'));

  // Get the UUID.
  $url = parse_url($this
    ->getUrl());
  $paths = explode('/', $url['path']);
  $view_mode = array_pop($paths);
  $uuid = array_pop($paths);

  // Switch view mode. We'll remove the body from the teaser view mode.
  entity_get_display('node', 'page', 'teaser')
    ->removeComponent('body')
    ->save();
  $view_mode_edit = array(
    'view_mode' => 'teaser',
  );
  $this
    ->drupalPostForm('node/preview/' . $uuid . '/default', $view_mode_edit, t('Switch'));
  $this
    ->assertRaw('view-mode-teaser', 'View mode teaser class found.');
  $this
    ->assertNoText($edit[$body_key], 'Body not displayed.');

  // Check that the title, body and term fields are displayed with the
  // values after going back to the content edit page.
  $this
    ->clickLink(t('Back to content editing'));
  $this
    ->assertFieldByName($title_key, $edit[$title_key], 'Title field displayed.');
  $this
    ->assertFieldByName($body_key, $edit[$body_key], 'Body field displayed.');
  $this
    ->assertFieldByName($term_key, $edit[$term_key] . ' (' . $this->term
    ->id() . ')', 'Term field displayed.');
  $this
    ->assertFieldByName('field_image[0][alt]', 'Picture of llamas');

  // Return to page preview to check everything is as expected.
  $this
    ->drupalPostForm(NULL, array(), t('Preview'));
  $this
    ->assertTitle(t('@title | Drupal', array(
    '@title' => $edit[$title_key],
  )), 'Basic page title is preview.');
  $this
    ->assertEscaped($edit[$title_key], 'Title displayed and escaped.');
  $this
    ->assertText($edit[$body_key], 'Body displayed.');
  $this
    ->assertText($edit[$term_key], 'Term displayed.');
  $this
    ->assertLink(t('Back to content editing'));

  // Assert the content is kept when reloading the page.
  $this
    ->drupalGet('node/add/page', array(
    'query' => array(
      'uuid' => $uuid,
    ),
  ));
  $this
    ->assertFieldByName($title_key, $edit[$title_key], 'Title field displayed.');
  $this
    ->assertFieldByName($body_key, $edit[$body_key], 'Body field displayed.');
  $this
    ->assertFieldByName($term_key, $edit[$term_key] . ' (' . $this->term
    ->id() . ')', 'Term field displayed.');

  // Save the node - this is a new POST, so we need to upload the image.
  $this
    ->drupalPostForm('node/add/page', $edit, t('Upload'));
  $this
    ->drupalPostForm(NULL, [
    'field_image[0][alt]' => 'Picture of llamas',
  ], t('Save'));
  $node = $this
    ->drupalGetNodeByTitle($edit[$title_key]);

  // Check the term was displayed on the saved node.
  $this
    ->drupalGet('node/' . $node
    ->id());
  $this
    ->assertText($edit[$term_key], 'Term displayed.');

  // Check the term appears again on the edit form.
  $this
    ->drupalGet('node/' . $node
    ->id() . '/edit');
  $this
    ->assertFieldByName($term_key, $edit[$term_key] . ' (' . $this->term
    ->id() . ')', 'Term field displayed.');

  // Check with two new terms on the edit form, additionally to the existing
  // one.
  $edit = array();
  $newterm1 = $this
    ->randomMachineName(8);
  $newterm2 = $this
    ->randomMachineName(8);
  $edit[$term_key] = $this->term
    ->getName() . ', ' . $newterm1 . ', ' . $newterm2;
  $this
    ->drupalPostForm('node/' . $node
    ->id() . '/edit', $edit, t('Preview'));
  $this
    ->assertRaw('>' . $newterm1 . '<', 'First new term displayed.');
  $this
    ->assertRaw('>' . $newterm2 . '<', 'Second new term displayed.');

  // The first term should be displayed as link, the others not.
  $this
    ->assertLink($this->term
    ->getName());
  $this
    ->assertNoLink($newterm1);
  $this
    ->assertNoLink($newterm2);
  $this
    ->drupalPostForm('node/' . $node
    ->id() . '/edit', $edit, t('Save'));

  // Check with one more new term, keeping old terms, removing the existing
  // one.
  $edit = array();
  $newterm3 = $this
    ->randomMachineName(8);
  $edit[$term_key] = $newterm1 . ', ' . $newterm3 . ', ' . $newterm2;
  $this
    ->drupalPostForm('node/' . $node
    ->id() . '/edit', $edit, t('Preview'));
  $this
    ->assertRaw('>' . $newterm1 . '<', 'First existing term displayed.');
  $this
    ->assertRaw('>' . $newterm2 . '<', 'Second existing term displayed.');
  $this
    ->assertRaw('>' . $newterm3 . '<', 'Third new term displayed.');
  $this
    ->assertNoText($this->term
    ->getName());
  $this
    ->assertLink($newterm1);
  $this
    ->assertLink($newterm2);
  $this
    ->assertNoLink($newterm3);

  // Check that editing an existing node after it has been previewed and not
  // saved doesn't remember the previous changes.
  $edit = array(
    $title_key => $this
      ->randomMachineName(8),
  );
  $this
    ->drupalPostForm('node/' . $node
    ->id() . '/edit', $edit, t('Preview'));
  $this
    ->assertText($edit[$title_key], 'New title displayed.');
  $this
    ->clickLink(t('Back to content editing'));
  $this
    ->assertFieldByName($title_key, $edit[$title_key], 'New title value displayed.');

  // Navigate away from the node without saving.
  $this
    ->drupalGet('<front>');

  // Go back to the edit form, the title should have its initial value.
  $this
    ->drupalGet('node/' . $node
    ->id() . '/edit');
  $this
    ->assertFieldByName($title_key, $node
    ->label(), 'Correct title value displayed.');

  // Check with required preview.
  $node_type = NodeType::load('page');
  $node_type
    ->setPreviewMode(DRUPAL_REQUIRED);
  $node_type
    ->save();
  $this
    ->drupalGet('node/add/page');
  $this
    ->assertNoRaw('edit-submit');
  $this
    ->drupalPostForm('node/add/page', array(
    $title_key => 'Preview',
  ), t('Preview'));
  $this
    ->clickLink(t('Back to content editing'));
  $this
    ->assertRaw('edit-submit');
}