<?php

/**
 * @file
 * Managed File (Test).
 */

/**
 * Class ManagedFileTestCase.
 *
 * @group managed_file
 */
class ManagedFileTestCase extends \ManagedFileBase {

  /**
   * {@inheritdoc}
   */
  const MODULE = 'managed_file_test';
  /**
   * {@inheritdoc}
   */
  protected $elementParents = ['managed_file_test'];

  /**
   * {@inheritdoc}
   */
  public static function getInfo() {
    return [
      'name' => t('Managed File'),
      'group' => t('Form'),
      'description' => t('Testing extended API of "managed_file" widget.'),
    ];
  }

  /**
   * Test integrity of the widget.
   */
  public function testWidgetIntegrity() {
    $this->useElementParents = FALSE;

    $this->drupalGet(static::MODULE);
    // Upload (via AJAX) an image.
    $this->drupalPost(NULL, [sprintf('files[%s]', $this->elementName()) => "$this->realPath/files/image.png"], t('Upload'));
    // Ensure that "managed_file" widget works correctly and we see
    // the "Remove" button after uploading.
    $this->assertFieldValue('remove_button');
    // Ensure that preview of uploaded image displaying.
    $this->assertFieldByXPath("//img[@class='upload-preview']");
    // Save the configuration with chosen image style.
    $this->drupalPost(NULL, [$this->elementName('[style]') => 'thumbnail'], t('Save configuration'));
    // Ensure that everything saved properly.
    $this->assertRaw(t('The configuration options have been saved.'));
    // Get the latest file ID and ensure that it is a value of needed field.
    $this->assertFieldValue('[fid]', static::getLatestFid());
    // Check that selected style is saved correctly.
    $this->assertFieldValue('[style]', 'thumbnail');
    // Remove uploaded file.
    $this->drupalPost(NULL, [], t('Remove'));
    // Ensure that file removed and "Upload" button exists.
    $this->assertFieldValue('upload_button');
  }

}