class CommentPreviewTest

class CommentPreviewTest extends CommentTestBase {
    use TestFileCreationTrait {
        getTestFiles as drupalGetTestFiles;
    }
    
    /**
     * Modules to install.
     *
     * @var array
     */
    protected static $modules = [
        'olivero_test',
        'test_user_config',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'olivero';
    
    /**
     * Tests comment preview.
     */
    public function testCommentPreview() {
        // As admin user, configure comment settings.
        $this->drupalLogin($this->adminUser);
        $this->setCommentPreview(DRUPAL_OPTIONAL);
        $this->setCommentForm(TRUE);
        $this->setCommentSubject(TRUE);
        $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Comment paging changed.');
        $this->drupalLogout();
        // Log in as web user.
        $this->drupalLogin($this->webUser);
        // Test escaping of the username on the preview form.
        \Drupal::service('module_installer')->install([
            'user_hooks_test',
        ]);
        \Drupal::state()->set('user_hooks_test_user_format_name_alter', TRUE);
        $edit = [];
        $edit['subject[0][value]'] = $this->randomMachineName(8);
        $edit['comment_body[0][value]'] = $this->randomMachineName(16);
        $this->drupalGet('node/' . $this->node
            ->id());
        $this->submitForm($edit, 'Preview');
        $this->assertSession()
            ->assertEscaped('<em>' . $this->webUser
            ->id() . '</em>');
        \Drupal::state()->set('user_hooks_test_user_format_name_alter_safe', TRUE);
        $this->drupalGet('node/' . $this->node
            ->id());
        $this->submitForm($edit, 'Preview');
        $this->assertInstanceOf(MarkupInterface::class, $this->webUser
            ->getDisplayName());
        $this->assertSession()
            ->assertNoEscaped('<em>' . $this->webUser
            ->id() . '</em>');
        $this->assertSession()
            ->responseContains('<em>' . $this->webUser
            ->id() . '</em>');
        // Add a user picture.
        $image = current($this->drupalGetTestFiles('image'));
        $user_edit['files[user_picture_0]'] = \Drupal::service('file_system')->realpath($image->uri);
        $this->drupalGet('user/' . $this->webUser
            ->id() . '/edit');
        $this->submitForm($user_edit, 'Save');
        // As the web user, fill in the comment form and preview the comment.
        $this->drupalGet('node/' . $this->node
            ->id());
        $this->submitForm($edit, 'Preview');
        // Check that the preview is displaying the title and body.
        $this->assertSession()
            ->titleEquals('Preview comment | Drupal');
        $this->assertSession()
            ->pageTextContains($edit['subject[0][value]']);
        $this->assertSession()
            ->pageTextContains($edit['comment_body[0][value]']);
        // Check that the title and body fields are displayed with the correct values.
        $this->assertSession()
            ->fieldValueEquals('subject[0][value]', $edit['subject[0][value]']);
        $this->assertSession()
            ->fieldValueEquals('comment_body[0][value]', $edit['comment_body[0][value]']);
        // Check that the user picture is displayed.
        $this->assertSession()
            ->elementExists('xpath', "//article[contains(@class, 'preview')]//div[contains(@class, 'user-picture')]//img");
        // Ensure that preview node is displayed after the submit buttons of the form.
        $xpath = $this->assertSession()
            ->buildXPathQuery('//div[@id=:id]/following-sibling::article', [
            ':id' => 'edit-actions',
        ]);
        $this->assertSession()
            ->elementExists('xpath', $xpath);
    }
    
    /**
     * Tests comment preview.
     */
    public function testCommentPreviewDuplicateSubmission() {
        // As admin user, configure comment settings.
        $this->drupalLogin($this->adminUser);
        $this->setCommentPreview(DRUPAL_OPTIONAL);
        $this->setCommentForm(TRUE);
        $this->setCommentSubject(TRUE);
        $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Comment paging changed.');
        $this->drupalLogout();
        // Log in as web user.
        $this->drupalLogin($this->webUser);
        // As the web user, fill in the comment form and preview the comment.
        $edit = [];
        $edit['subject[0][value]'] = $this->randomMachineName(8);
        $edit['comment_body[0][value]'] = $this->randomMachineName(16);
        $this->drupalGet('node/' . $this->node
            ->id());
        $this->submitForm($edit, 'Preview');
        // Check that the preview is displaying the title and body.
        $this->assertSession()
            ->titleEquals('Preview comment | Drupal');
        $this->assertSession()
            ->pageTextContains($edit['subject[0][value]']);
        $this->assertSession()
            ->pageTextContains($edit['comment_body[0][value]']);
        // Check that the title and body fields are displayed with the correct values.
        $this->assertSession()
            ->fieldValueEquals('subject[0][value]', $edit['subject[0][value]']);
        $this->assertSession()
            ->fieldValueEquals('comment_body[0][value]', $edit['comment_body[0][value]']);
        // Store the content of this page.
        $this->submitForm([], 'Save');
        $this->assertSession()
            ->pageTextContains('Your comment has been posted.');
        $this->assertSession()
            ->elementsCount('xpath', '//section[contains(@class, "comments")]/article', 1);
        // Go back and re-submit the form.
        $this->getSession()
            ->getDriver()
            ->back();
        $submit_button = $this->assertSession()
            ->buttonExists('Save');
        $submit_button->click();
        $this->assertSession()
            ->pageTextContains('Your comment has been posted.');
        $this->assertSession()
            ->elementsCount('xpath', '//section[contains(@class, "comments")]/article', 2);
    }
    
    /**
     * Tests comment edit, preview, and save.
     */
    public function testCommentEditPreviewSave() {
        $web_user = $this->drupalCreateUser([
            'access comments',
            'post comments',
            'skip comment approval',
            'edit own comments',
        ]);
        $this->drupalLogin($this->adminUser);
        $this->setCommentPreview(DRUPAL_OPTIONAL);
        $this->setCommentForm(TRUE);
        $this->setCommentSubject(TRUE);
        $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Comment paging changed.');
        $edit = [];
        $date = new DrupalDateTime('2008-03-02 17:23');
        $edit['subject[0][value]'] = $this->randomMachineName(8);
        $edit['comment_body[0][value]'] = $this->randomMachineName(16);
        $edit['uid'] = $web_user->getAccountName() . ' (' . $web_user->id() . ')';
        $edit['date[date]'] = $date->format('Y-m-d');
        $edit['date[time]'] = $date->format('H:i:s');
        $raw_date = $date->getTimestamp();
        $expected_text_date = $this->container
            ->get('date.formatter')
            ->formatInterval(\Drupal::time()->getRequestTime() - $raw_date);
        $expected_form_date = $date->format('Y-m-d');
        $expected_form_time = $date->format('H:i:s');
        $comment = $this->postComment($this->node, $edit['subject[0][value]'], $edit['comment_body[0][value]'], TRUE);
        $this->drupalGet('comment/' . $comment->id() . '/edit');
        $this->submitForm($edit, 'Preview');
        // Check that the preview is displaying the subject, comment, author and date correctly.
        $this->assertSession()
            ->titleEquals('Preview comment | Drupal');
        $this->assertSession()
            ->pageTextContains($edit['subject[0][value]']);
        $this->assertSession()
            ->pageTextContains($edit['comment_body[0][value]']);
        $this->assertSession()
            ->pageTextContains($web_user->getAccountName());
        $this->assertSession()
            ->pageTextContains($expected_text_date);
        // Check that the subject, comment, author and date fields are displayed with the correct values.
        $this->assertSession()
            ->fieldValueEquals('subject[0][value]', $edit['subject[0][value]']);
        $this->assertSession()
            ->fieldValueEquals('comment_body[0][value]', $edit['comment_body[0][value]']);
        $this->assertSession()
            ->fieldValueEquals('uid', $edit['uid']);
        $this->assertSession()
            ->fieldValueEquals('date[date]', $edit['date[date]']);
        $this->assertSession()
            ->fieldValueEquals('date[time]', $edit['date[time]']);
        // Check that saving a comment produces a success message.
        $this->drupalGet('comment/' . $comment->id() . '/edit');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextContains('Your comment has been posted.');
        // Check that the comment fields are correct after loading the saved comment.
        $this->drupalGet('comment/' . $comment->id() . '/edit');
        $this->assertSession()
            ->fieldValueEquals('subject[0][value]', $edit['subject[0][value]']);
        $this->assertSession()
            ->fieldValueEquals('comment_body[0][value]', $edit['comment_body[0][value]']);
        $this->assertSession()
            ->fieldValueEquals('uid', $edit['uid']);
        $this->assertSession()
            ->fieldValueEquals('date[date]', $expected_form_date);
        $this->assertSession()
            ->fieldValueEquals('date[time]', $expected_form_time);
        // Submit the form using the displayed values.
        $displayed = [];
        $displayed['subject[0][value]'] = $this->assertSession()
            ->fieldExists('edit-subject-0-value')
            ->getValue();
        $displayed['comment_body[0][value]'] = $this->assertSession()
            ->fieldExists('edit-comment-body-0-value')
            ->getValue();
        $displayed['uid'] = $this->assertSession()
            ->fieldExists('edit-uid')
            ->getValue();
        $displayed['date[date]'] = $this->assertSession()
            ->fieldExists('edit-date-date')
            ->getValue();
        $displayed['date[time]'] = $this->assertSession()
            ->fieldExists('edit-date-time')
            ->getValue();
        $this->drupalGet('comment/' . $comment->id() . '/edit');
        $this->submitForm($displayed, 'Save');
        // Check that the saved comment is still correct.
        $comment_storage = \Drupal::entityTypeManager()->getStorage('comment');
        $comment_storage->resetCache([
            $comment->id(),
        ]);
        
        /** @var \Drupal\comment\CommentInterface $comment_loaded */
        $comment_loaded = Comment::load($comment->id());
        $this->assertEquals($edit['subject[0][value]'], $comment_loaded->getSubject(), 'Subject loaded.');
        $this->assertEquals($edit['comment_body[0][value]'], $comment_loaded->comment_body->value, 'Comment body loaded.');
        $this->assertEquals($web_user->id(), $comment_loaded->getOwner()
            ->id(), 'Name loaded.');
        $this->assertEquals($raw_date, $comment_loaded->getCreatedTime(), 'Date loaded.');
        $this->drupalLogout();
        // Check that the date and time of the comment are correct when edited by
        // non-admin users.
        $user_edit = [];
        $expected_created_time = $comment_loaded->getCreatedTime();
        $this->drupalLogin($web_user);
        // Web user cannot change the comment author.
        unset($edit['uid']);
        $this->drupalGet('comment/' . $comment->id() . '/edit');
        $this->submitForm($user_edit, 'Save');
        $comment_storage->resetCache([
            $comment->id(),
        ]);
        $comment_loaded = Comment::load($comment->id());
        $this->assertEquals($expected_created_time, $comment_loaded->getCreatedTime(), 'Expected date and time for comment edited.');
        $this->drupalLogout();
    }

}