LoadTest.php

<?php

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


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

  /**
   * Try to load a non-existent file by fid.
   */
  function testLoadMissingFid() {
    $this
      ->assertFalse(file_load(-1), t("Try to load an invalid fid fails."));
    $this
      ->assertFileHooksCalled(array());
  }

  /**
   * Try to load a non-existent file by URI.
   */
  function testLoadMissingFilepath() {
    $files = entity_load_multiple_by_properties('file', array(
      'uri' => 'foobar://misc/druplicon.png',
    ));
    $this
      ->assertFalse(reset($files), t("Try to load a file that doesn't exist in the database fails."));
    $this
      ->assertFileHooksCalled(array());
  }

  /**
   * Try to load a non-existent file by status.
   */
  function testLoadInvalidStatus() {
    $files = entity_load_multiple_by_properties('file', array(
      'status' => -99,
    ));
    $this
      ->assertFalse(reset($files), t("Trying to load a file with an invalid status fails."));
    $this
      ->assertFileHooksCalled(array());
  }

  /**
   * Load a single file and ensure that the correct values are returned.
   */
  function testSingleValues() {

    // Create a new file entity from scratch so we know the values.
    $file = $this
      ->createFile('druplicon.txt', NULL, 'public');
    $by_fid_file = file_load($file->fid);
    $this
      ->assertFileHookCalled('load');
    $this
      ->assertTrue(is_object($by_fid_file), t('file_load() returned an object.'));
    $this
      ->assertEqual($by_fid_file->fid, $file->fid, t("Loading by fid got the same fid."), 'File');
    $this
      ->assertEqual($by_fid_file->uri, $file->uri, t("Loading by fid got the correct filepath."), 'File');
    $this
      ->assertEqual($by_fid_file->filename, $file->filename, t("Loading by fid got the correct filename."), 'File');
    $this
      ->assertEqual($by_fid_file->filemime, $file->filemime, t("Loading by fid got the correct MIME type."), 'File');
    $this
      ->assertEqual($by_fid_file->status, $file->status, t("Loading by fid got the correct status."), 'File');
    $this
      ->assertTrue($by_fid_file->file_test['loaded'], t('file_test_file_load() was able to modify the file during load.'));
  }

  /**
   * This will test loading file data from the database.
   */
  function testMultiple() {

    // Create a new file entity.
    $file = $this
      ->createFile('druplicon.txt', NULL, 'public');

    // Load by path.
    file_test_reset();
    $by_path_files = entity_load_multiple_by_properties('file', array(
      'uri' => $file->uri,
    ));
    $this
      ->assertFileHookCalled('load');
    $this
      ->assertEqual(1, count($by_path_files), t('file_load_multiple() returned an array of the correct size.'));
    $by_path_file = reset($by_path_files);
    $this
      ->assertTrue($by_path_file->file_test['loaded'], t('file_test_file_load() was able to modify the file during load.'));
    $this
      ->assertEqual($by_path_file->fid, $file->fid, t("Loading by filepath got the correct fid."), 'File');

    // Load by fid.
    file_test_reset();
    $by_fid_files = file_load_multiple(array(
      $file->fid,
    ));
    $this
      ->assertFileHookCalled('load');
    $this
      ->assertEqual(1, count($by_fid_files), t('file_load_multiple() returned an array of the correct size.'));
    $by_fid_file = reset($by_fid_files);
    $this
      ->assertTrue($by_fid_file->file_test['loaded'], t('file_test_file_load() was able to modify the file during load.'));
    $this
      ->assertEqual($by_fid_file->uri, $file->uri, t("Loading by fid got the correct filepath."), 'File');
  }

}