function PagePreviewTest::testPagePreviewWithRevisions

Checks the node preview functionality, when using revisions.

File

core/modules/node/tests/src/Functional/PagePreviewTest.php, line 452

Class

PagePreviewTest

Tests the node entity preview functionality.

Namespace

Code

public function testPagePreviewWithRevisions() : void {
    $title_key = 'title[0][value]';
    $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 = [];
    $edit[$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->drupalGet('node/add/page');
    $this->submitForm($edit, 'Preview');
    // Check that the preview is displaying the title, body and term.
    $this->assertSession()
        ->titleEquals($edit[$title_key] . ' | Drupal');
    $this->assertSession()
        ->pageTextContains($edit[$title_key]);
    $this->assertSession()
        ->pageTextContains($edit[$body_key]);
    $this->assertSession()
        ->pageTextContains($edit[$term_key]);
    // Check that the title and body fields are displayed with the correct
    // values after going back to the content edit page.
    $this->clickLink('Back to content editing');
    $this->assertSession()
        ->fieldValueEquals($title_key, $edit[$title_key]);
    $this->assertSession()
        ->fieldValueEquals($body_key, $edit[$body_key]);
    $this->assertSession()
        ->fieldValueEquals($term_key, $edit[$term_key]);
    // Check that the revision log field has the correct value.
    $this->assertSession()
        ->fieldValueEquals('revision_log[0][value]', $edit['revision_log[0][value]']);
    // Save the node after coming back from the preview page so we can create a
    // pending revision for it.
    $this->submitForm([], 'Save');
    $node = $this->drupalGetNodeByTitle($edit[$title_key]);
    // Check that previewing a pending revision of a node works. This can not be
    // accomplished through the UI so we have to use API calls.
    // @todo Change this test to use the UI when we will be able to create
    // pending revisions in core.
    // @see https://www.drupal.org/node/2725533
    $node->setNewRevision(TRUE);
    $node->isDefaultRevision(FALSE);
    
    /** @var \Drupal\Core\Controller\ControllerResolverInterface $controller_resolver */
    $controller_resolver = \Drupal::service('controller_resolver');
    $node_preview_controller = $controller_resolver->getControllerFromDefinition('\\Drupal\\node\\Controller\\NodePreviewController::view');
    $node_preview_controller($node, 'full');
}