headless_cms-1.0.3/modules/headless_cms_preview/tests/src/Functional/PreviewTest.php

<?php

declare(strict_types=1);

namespace Drupal\Tests\headless_cms_preview\Functional;

use Drupal\Core\Session\AccountInterface;
use Drupal\Tests\BrowserTestBase;
use Drupal\user\Entity\User;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\HttpKernelInterface;

/**
 * Tests headless preview functionality.
 */
class PreviewTest extends BrowserTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'consumers',
    'jsonapi',
    'node',
    'headless_cms',
    'headless_cms_preview',
    'system',
    'serialization',
    'user',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * The admin user.
   */
  protected AccountInterface $admin;

  /**
   * The http kernel.
   */
  protected HttpKernelInterface $httpKernel;

  /**
   * {@inheritdoc}
   */
  protected function setUp(): void {
    parent::setUp();

    $this->drupalCreateContentType([
      'type' => 'article',
      'name' => 'Article',
    ]);

    $this->drupalCreateContentType([
      'type' => 'page',
      'name' => 'Page',
    ]);

    // Add the article bundle to enabled_bundles.
    $this->config('headless_cms_preview.settings')
      ->set('enabled_bundles', ['page'])
      ->save();

    $this->httpKernel = $this->container->get('http_kernel');
    $this->admin = $this->drupalCreateUser([], NULL, TRUE);

    // Needed for jsonapi to pick up newly created content types.
    $this->rebuildAll();
  }

  /**
   * Test preview functionality on create form.
   */
  public function testPreviewActionOnCreateForm() {
    $this->drupalLogin($this->admin);
    $this->assertSession()->pageTextContains('Member for');

    $this->drupalGet('/node/add/article');
    $this->assertSession()->pageTextContains('Create Article');
    $this->assertSession()->elementNotExists('css', '#edit-save-preview');

    $this->drupalGet('/node/add/page');
    $this->assertSession()->pageTextContains('Create Page');
    $this->assertSession()->elementExists('css', '#edit-save-preview');
    $this->assertSession()->pageTextNotContains('Preview Token:');

    $edit = [
      'title[0][value]' => 'Test article',
    ];

    $this->submitForm($edit, 'Save Preview');
    $this->assertSession()->pageTextContains('Preview Token:');
  }

  /**
   * Test preview functionality on edit form.
   */
  public function testPreviewActionOnEditForm() {
    $this->drupalLogin($this->admin);
    $this->assertSession()->pageTextContains('Member for');

    $this->drupalGet('/node/add/page');
    $this->assertSession()->pageTextContains('Create Page');

    $edit = [
      'title[0][value]' => 'Test page',
    ];

    $this->submitForm($edit, 'Save');

    $this->drupalGet('/node/1/edit');
    $this->assertSession()->pageTextContains('Test Page');
    $this->assertSession()->elementExists('css', '#edit-save-preview');
    $this->assertSession()->pageTextNotContains('Preview Token:');

    $this->submitForm($edit, 'Save Preview');
    $this->assertSession()->pageTextContains('Preview Token:');
  }

  /**
   * Test the JSON:API node create preview.
   */
  public function testJsonApiNodeCreatePreview() {
    $this->drupalLogin($this->admin);
    $this->assertSession()->pageTextContains('Member for');

    $this->drupalGet('/node/add/page');
    $this->assertSession()->pageTextContains('Create Page');

    $edit = [
      'title[0][value]' => 'Test page',
    ];
    $this->submitForm($edit, 'Save Preview');

    $uuid = explode('=', $this->getUrl())[1];
    $previewToken = $this->getSession()->getPage()->find('css', '#preview-token-value')->getValue();

    $uri = sprintf('/jsonapi/node/page/%s/preview', $uuid);
    $jsonapiResponse = $this->makeJsonApiRequest($uri, [
      'X-Headless-Preview-Token' => $previewToken,
    ]);

    $this->assertStringContainsString('Test page', $jsonapiResponse);

    $edit = [
      'title[0][value]' => 'Test Update 1',
    ];
    $this->submitForm($edit, 'Save Preview');

    $jsonapiResponse = $this->makeJsonApiRequest($uri, [
      'X-Headless-Preview-Token' => $previewToken,
    ]);
    $previewToken = $this->getSession()->getPage()->find('css', '#preview-token-value')->getValue();

    $this->assertStringContainsString('Test Update 1', $jsonapiResponse);
  }

  /**
   * Test the JSON:API node update preview.
   */
  public function testJsonApiNodeUpdatePreview() {
    $this->drupalLogin($this->admin);
    $this->assertSession()->pageTextContains('Member for');

    $this->drupalGet('/node/add/page');
    $this->assertSession()->pageTextContains('Create Page');

    $edit = [
      'title[0][value]' => 'Test page',
    ];
    $this->submitForm($edit, 'Save');

    $this->drupalGet('/node/1/edit');
    $this->assertSession()->pageTextContains('Test page');

    // Update exising node in form.
    $edit = [
      'title[0][value]' => 'Test Update 1',
    ];
    $this->submitForm($edit, 'Save Preview');

    $uuid = explode('=', $this->getUrl())[1];
    $previewToken = $this->getSession()->getPage()->find('css', '#preview-token-value')->getValue();

    $uri = sprintf('/jsonapi/node/page/%s/preview', $uuid);
    $jsonapiResponse = $this->makeJsonApiRequest($uri, [
      'X-Headless-Preview-Token' => $previewToken,
    ]);

    $this->assertStringContainsString('Test Update 1', $jsonapiResponse);

    // Update second time without saving.
    $edit = [
      'title[0][value]' => 'Test Update 2',
    ];
    $this->submitForm($edit, 'Save Preview');

    $jsonapiResponse = $this->makeJsonApiRequest($uri, [
      'X-Headless-Preview-Token' => $previewToken,
    ]);
    $previewToken = $this->getSession()->getPage()->find('css', '#preview-token-value')->getValue();

    $this->assertStringContainsString('Test Update 2', $jsonapiResponse);
  }

  /**
   * Test the JSON:API preview without token.
   */
  public function testJsonApiPreviewWithoutToken() {
    $this->drupalLogin($this->admin);
    $this->assertSession()->pageTextContains('Member for');

    $this->drupalGet('/node/add/page');
    $this->assertSession()->pageTextContains('Create Page');

    $edit = [
      'title[0][value]' => 'Test page',
    ];
    $this->submitForm($edit, 'Save Preview');

    $uuid = explode('=', $this->getUrl())[1];

    $uri = sprintf('/jsonapi/node/page/%s/preview', $uuid);
    $jsonapiResponse = $this->makeJsonApiRequest($uri);

    $this->assertStringContainsString('Not Found', $jsonapiResponse);
  }

  /**
   * Make a GET JSON:API request.
   */
  protected function makeJsonApiRequest(string $uri, array $headers = [], array $query = []): string {
    $this->setCurrentUser(User::getAnonymousUser());
    $request = Request::create($uri, 'GET', $query);
    $request->headers->set('Content-Type', 'application/vnd.api+json');
    $request->headers->add($headers);

    $res = $this->httpKernel->handle($request)->getContent();

    $this->setCurrentUser($this->admin);

    return $res;
  }

}