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<?php
/**
* @file
* Contains \Drupal\node\Tests\PagePreviewTest.
*/
namespace Drupal\node\Tests;
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use Drupal\comment\Tests\CommentTestTrait;
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use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Component\Utility\Unicode;
use Drupal\Core\Language\LanguageInterface;
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use Drupal\entity_reference\Tests\EntityReferenceTestTrait;
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use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\node\Entity\NodeType;
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/**
* Tests the node entity preview functionality.
*
* @group node
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*/
class PagePreviewTest extends NodeTestBase {
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use EntityReferenceTestTrait;
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use CommentTestTrait;
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/**
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* Enable the comment, node and taxonomy modules to test on the preview.
*
* @var array
*/
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public static $modules = array('node', 'taxonomy', 'comment', 'image', 'file');
/**
* The name of the created field.
*
* @var string
*/
protected $fieldName;
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protected function setUp() {
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$this->addDefaultCommentField('node', 'page');
$web_user = $this->drupalCreateUser(array('edit own page content', 'create page content'));
$this->drupalLogin($web_user);
// Add a vocabulary so we can test different view modes.
$vocabulary = entity_create('taxonomy_vocabulary', array(
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'name' => $this->randomMachineName(),
'description' => $this->randomMachineName(),
'vid' => $this->randomMachineName(),
'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
'help' => '',
));
$vocabulary->save();
$this->vocabulary = $vocabulary;
// Add a term to the vocabulary.
$term = entity_create('taxonomy_term', array(
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'name' => $this->randomMachineName(),
'description' => $this->randomMachineName(),
'vid' => $this->vocabulary->id(),
'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
));
$term->save();
$this->term = $term;
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// Create an image field.
FieldStorageConfig::create([
'field_name' => 'field_image',
'entity_type' => 'node',
'type' => 'image',
'settings' => [],
'cardinality' => FieldStorageConfig::CARDINALITY_UNLIMITED,
])->save();
$field_config = FieldConfig::create([
'field_name' => 'field_image',
'label' => 'Images',
'entity_type' => 'node',
'bundle' => 'page',
'required' => FALSE,
'settings' => [],
]);
$field_config->save();
// Create a field.
$this->fieldName = Unicode::strtolower($this->randomMachineName());
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$handler_settings = array(
'target_bundles' => array(
$this->vocabulary->id() => $this->vocabulary->id(),
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),
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'auto_create' => TRUE,
);
$this->createEntityReferenceField('node', 'page', $this->fieldName, 'Tags', 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
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entity_get_form_display('node', 'page', 'default')
->setComponent($this->fieldName, array(
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'type' => 'entity_reference_autocomplete_tags',
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))
->save();
// Show on default display and teaser.
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entity_get_display('node', 'page', 'default')
->setComponent($this->fieldName, array(
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'type' => 'entity_reference_label',
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))
->save();
entity_get_display('node', 'page', 'teaser')
->setComponent($this->fieldName, array(
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'type' => 'entity_reference_label',
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))
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->save();
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entity_get_form_display('node', 'page', 'default')
->setComponent('field_image', array(
'type' => 'image_image',
'settings' => [],
))
->save();
entity_get_display('node', 'page', 'default')
->setComponent('field_image')
->save();
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* Checks the node preview functionality.
*/
function testPagePreview() {
$title_key = 'title[0][value]';
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$body_key = 'body[0][value]';
$term_key = $this->fieldName . '[target_id]';
// Fill in node creation form and preview node.
$edit = array();
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$edit[$title_key] = $this->randomMachineName(8);
$edit[$body_key] = $this->randomMachineName(16);
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$edit[$term_key] = $this->term->getName();
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// 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.
$this->drupalPostForm(NULL, ['field_image[0][alt]' => 'Picture of llamas'], t('Preview'));
// Check that the preview is displaying the title, body and term.
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$this->assertTitle(t('@title | Drupal', array('@title' => $edit[$title_key])), 'Basic page title is preview.');
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$this->assertText($edit[$title_key], 'Title displayed.');
$this->assertText($edit[$body_key], 'Body displayed.');
$this->assertText($edit[$term_key], 'Term displayed.');
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$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
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// values after going back to the content edit page.
$this->clickLink(t('Back to content editing'));
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$this->assertFieldByName($title_key, $edit[$title_key], 'Title field displayed.');
$this->assertFieldByName($body_key, $edit[$body_key], 'Body field displayed.');
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$this->assertFieldByName($term_key, $edit[$term_key] . ' (' . $this->term->id() . ')', 'Term field displayed.');
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$this->assertFieldByName('field_image[0][alt]', 'Picture of llamas');
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// 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.');
$this->assertText($edit[$title_key], 'Title displayed.');
$this->assertText($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.');
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$this->assertFieldByName($term_key, $edit[$term_key] . ' (' . $this->term->id() . ')', 'Term field displayed.');
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// Save the node - this is a new POST, so we need to upload the image.
$this->drupalPostForm('node/add/page', $edit, t('Upload'));
$this->drupalPostForm(NULL, ['field_image[0][alt]' => 'Picture of llamas'], t('Save'));
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$node = $this->drupalGetNodeByTitle($edit[$title_key]);
// Check the term was displayed on the saved node.
$this->drupalGet('node/' . $node->id());
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$this->assertText($edit[$term_key], 'Term displayed.');
// Check the term appears again on the edit form.
$this->drupalGet('node/' . $node->id() . '/edit');
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$this->assertFieldByName($term_key, $edit[$term_key] . ' (' . $this->term->id() . ')', 'Term field displayed.');
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// Check with two new terms on the edit form, additionally to the existing
// one.
$edit = array();
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$newterm1 = $this->randomMachineName(8);
$newterm2 = $this->randomMachineName(8);
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$edit[$term_key] = $this->term->getName() . ', ' . $newterm1 . ', ' . $newterm2;
$this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Preview'));
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$this->assertRaw('>' . $newterm1 . '<', 'First new term displayed.');
$this->assertRaw('>' . $newterm2 . '<', 'Second new term displayed.');
// The first term should be displayed as link, the others not.
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$this->assertLink($this->term->getName());
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$this->assertNoLink($newterm1);
$this->assertNoLink($newterm2);
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$this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
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// Check with one more new term, keeping old terms, removing the existing
// one.
$edit = array();
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$newterm3 = $this->randomMachineName(8);
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$edit[$term_key] = $newterm1 . ', ' . $newterm3 . ', ' . $newterm2;
$this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Preview'));
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$this->assertRaw('>' . $newterm1 . '<', 'First existing term displayed.');
$this->assertRaw('>' . $newterm2 . '<', 'Second existing term displayed.');
$this->assertRaw('>' . $newterm3 . '<', 'Third new term displayed.');
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$this->assertNoText($this->term->getName());
$this->assertLink($newterm1);
$this->assertLink($newterm2);
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$this->assertNoLink($newterm3);
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// 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.');
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// 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');
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* Checks the node preview functionality, when using revisions.
*/
function testPagePreviewWithRevisions() {
$title_key = 'title[0][value]';
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$body_key = 'body[0][value]';
$term_key = $this->fieldName . '[target_id]';
// Force revision on "Basic page" content.
$node_type = NodeType::load('page');
$node_type->setNewRevision(TRUE);
$node_type->save();
// Fill in node creation form and preview node.
$edit = array();
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$edit[$title_key] = $this->randomMachineName(8);
$edit[$body_key] = $this->randomMachineName(16);
$edit[$term_key] = $this->term->id();
$edit['revision_log[0][value]'] = $this->randomString(32);
$this->drupalPostForm('node/add/page', $edit, t('Preview'));
// Check that the preview is displaying the title, body and term.
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$this->assertTitle(t('@title | Drupal', array('@title' => $edit[$title_key])), 'Basic page title is preview.');
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$this->assertText($edit[$title_key], 'Title displayed.');
$this->assertText($edit[$body_key], 'Body displayed.');
$this->assertText($edit[$term_key], 'Term displayed.');
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// Check that the title and body fields are displayed with the correct
// 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.');
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$this->assertFieldByName($body_key, $edit[$body_key], 'Body field displayed.');
$this->assertFieldByName($term_key, $edit[$term_key], 'Term field displayed.');
// Check that the revision log field has the correct value.
$this->assertFieldByName('revision_log[0][value]', $edit['revision_log[0][value]'], 'Revision log field displayed.');
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/**
* Checks the node preview accessible for simultaneous node editing.
*/
public function testSimultaneousPreview() {
$title_key = 'title[0][value]';
$node = $this->drupalCreateNode(array());
$edit = array($title_key => 'New page title');
$this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Preview'));
$this->assertText($edit[$title_key]);
$user2 = $this->drupalCreateUser(array('edit any page content'));
$this->drupalLogin($user2);
$this->drupalGet('node/' . $node->id() . '/edit');
$this->assertFieldByName($title_key, $node->label(), 'No title leaked from previous user.');
$edit2 = array($title_key => 'Another page title');
$this->drupalPostForm('node/' . $node->id() . '/edit', $edit2, t('Preview'));
$this->assertUrl(\Drupal::url('entity.node.preview', ['node_preview' => $node->uuid(), 'view_mode_id' => 'default'], ['absolute' => TRUE]));
$this->assertText($edit2[$title_key]);
}