ValidateTest.php

<?php

/**
 * @file
 * Definition of Drupal\file\Tests\ValidateTest.
 */
namespace Drupal\file\Tests;


/**
 * Tests the file_validate() function.
 */
class ValidateTest extends FileManagedTestBase {
  public static function getInfo() {
    return array(
      'name' => 'File validate',
      'description' => 'Tests the file_validate() function.',
      'group' => 'File API',
    );
  }

  /**
   * Test that the validators passed into are checked.
   */
  function testCallerValidation() {
    $file = $this
      ->createFile();

    // Empty validators.
    $this
      ->assertEqual(file_validate($file, array()), array(), t('Validating an empty array works successfully.'));
    $this
      ->assertFileHooksCalled(array(
      'validate',
    ));

    // Use the file_test.module's test validator to ensure that passing tests
    // return correctly.
    file_test_reset();
    file_test_set_return('validate', array());
    $passing = array(
      'file_test_validator' => array(
        array(),
      ),
    );
    $this
      ->assertEqual(file_validate($file, $passing), array(), t('Validating passes.'));
    $this
      ->assertFileHooksCalled(array(
      'validate',
    ));

    // Now test for failures in validators passed in and by hook_validate.
    file_test_reset();
    file_test_set_return('validate', array(
      'Epic fail',
    ));
    $failing = array(
      'file_test_validator' => array(
        array(
          'Failed',
          'Badly',
        ),
      ),
    );
    $this
      ->assertEqual(file_validate($file, $failing), array(
      'Failed',
      'Badly',
      'Epic fail',
    ), t('Validating returns errors.'));
    $this
      ->assertFileHooksCalled(array(
      'validate',
    ));
  }

}