MoveTest.php in Drupal 9

Namespace

Drupal\Tests\file\Kernel

File

core/modules/file/tests/src/Kernel/MoveTest.php

<?php

namespace Drupal\Tests\file\Kernel;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\Core\File\FileSystemInterface;
use Drupal\file\Entity\File;

/**
 * Tests the file move function.
 *
 * @group file
 */
class MoveTest extends FileManagedUnitTestBase {

  /**
   * Move a normal file.
   */
  public function testNormal() {
    $contents = $this
      ->randomMachineName(10);
    $source = $this
      ->createFile(NULL, $contents);
    $desired_filepath = 'public://' . $this
      ->randomMachineName();

    // Clone the object so we don't have to worry about the function changing
    // our reference copy.
    $result = file_move(clone $source, $desired_filepath, FileSystemInterface::EXISTS_ERROR);

    // Check the return status and that the contents changed.
    $this
      ->assertNotFalse($result, 'File moved successfully.');
    $this
      ->assertFileDoesNotExist($source
      ->getFileUri());
    $this
      ->assertEquals($contents, file_get_contents($result
      ->getFileUri()), 'Contents of file correctly written.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'move',
      'load',
      'update',
    ]);

    // Make sure we got the same file back.
    $this
      ->assertEquals($source
      ->id(), $result
      ->id(), new FormattableMarkup("Source file id's' %fid is unchanged after move.", [
      '%fid' => $source
        ->id(),
    ]));

    // Reload the file from the database and check that the changes were
    // actually saved.
    $loaded_file = File::load($result
      ->id());
    $this
      ->assertNotEmpty($loaded_file, 'File can be loaded from the database.');
    $this
      ->assertFileUnchanged($result, $loaded_file);
  }

  /**
   * Tests renaming when moving onto a file that already exists.
   */
  public function testExistingRename() {

    // Setup a file to overwrite.
    $contents = $this
      ->randomMachineName(10);
    $source = $this
      ->createFile(NULL, $contents);
    $target = $this
      ->createFile();
    $this
      ->assertDifferentFile($source, $target);

    // Clone the object so we don't have to worry about the function changing
    // our reference copy.
    $result = file_move(clone $source, $target
      ->getFileUri(), FileSystemInterface::EXISTS_RENAME);

    // Check the return status and that the contents changed.
    $this
      ->assertNotFalse($result, 'File moved successfully.');
    $this
      ->assertFileDoesNotExist($source
      ->getFileUri());
    $this
      ->assertEquals($contents, file_get_contents($result
      ->getFileUri()), 'Contents of file correctly written.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'move',
      'load',
      'update',
    ]);

    // Compare the returned value to what made it into the database.
    $this
      ->assertFileUnchanged($result, File::load($result
      ->id()));

    // The target file should not have been altered.
    $this
      ->assertFileUnchanged($target, File::load($target
      ->id()));

    // Make sure we end up with two distinct files afterwards.
    $this
      ->assertDifferentFile($target, $result);

    // Compare the source and results.
    $loaded_source = File::load($source
      ->id());
    $this
      ->assertEquals($result
      ->id(), $loaded_source
      ->id(), "Returned file's id matches the source.");
    $this
      ->assertNotEquals($source
      ->getFileUri(), $loaded_source
      ->getFileUri(), 'Returned file path has changed from the original.');
  }

  /**
   * Tests replacement when moving onto a file that already exists.
   */
  public function testExistingReplace() {

    // Setup a file to overwrite.
    $contents = $this
      ->randomMachineName(10);
    $source = $this
      ->createFile(NULL, $contents);
    $target = $this
      ->createFile();
    $this
      ->assertDifferentFile($source, $target);

    // Clone the object so we don't have to worry about the function changing
    // our reference copy.
    $result = file_move(clone $source, $target
      ->getFileUri(), FileSystemInterface::EXISTS_REPLACE);

    // Look at the results.
    $this
      ->assertEquals($contents, file_get_contents($result
      ->getFileUri()), 'Contents of file were overwritten.');
    $this
      ->assertFileDoesNotExist($source
      ->getFileUri());
    $this
      ->assertNotEmpty($result, 'File moved successfully.');

    // Check that the correct hooks were called.
    $this
      ->assertFileHooksCalled([
      'move',
      'update',
      'delete',
      'load',
    ]);

    // Reload the file from the database and check that the changes were
    // actually saved.
    $loaded_result = File::load($result
      ->id());
    $this
      ->assertFileUnchanged($result, $loaded_result);

    // Check that target was re-used.
    $this
      ->assertSameFile($target, $loaded_result);

    // Source and result should be totally different.
    $this
      ->assertDifferentFile($source, $loaded_result);
  }

  /**
   * Tests replacement when moving onto itself.
   */
  public function testExistingReplaceSelf() {

    // Setup a file to overwrite.
    $contents = $this
      ->randomMachineName(10);
    $source = $this
      ->createFile(NULL, $contents);

    // Copy the file over itself. Clone the object so we don't have to worry
    // about the function changing our reference copy.
    $result = file_move(clone $source, $source
      ->getFileUri(), FileSystemInterface::EXISTS_REPLACE);
    $this
      ->assertFalse($result, 'File move failed.');
    $this
      ->assertEquals($contents, file_get_contents($source
      ->getFileUri()), 'Contents of file were not altered.');

    // Check that no hooks were called while failing.
    $this
      ->assertFileHooksCalled([]);

    // Load the file from the database and make sure it is identical to what
    // was returned.
    $this
      ->assertFileUnchanged($source, File::load($source
      ->id()));
  }

  /**
   * Tests that moving onto an existing file fails when instructed to do so.
   */
  public function testExistingError() {
    $contents = $this
      ->randomMachineName(10);
    $source = $this
      ->createFile();
    $target = $this
      ->createFile(NULL, $contents);
    $this
      ->assertDifferentFile($source, $target);

    // Clone the object so we don't have to worry about the function changing
    // our reference copy.
    $result = file_move(clone $source, $target
      ->getFileUri(), FileSystemInterface::EXISTS_ERROR);

    // Check the return status and that the contents did not change.
    $this
      ->assertFalse($result, 'File move failed.');
    $this
      ->assertFileExists($source
      ->getFileUri());
    $this
      ->assertEquals($contents, file_get_contents($target
      ->getFileUri()), 'Contents of file were not altered.');

    // Check that no hooks were called while failing.
    $this
      ->assertFileHooksCalled([]);

    // Load the file from the database and make sure it is identical to what
    // was returned.
    $this
      ->assertFileUnchanged($source, File::load($source
      ->id()));
    $this
      ->assertFileUnchanged($target, File::load($target
      ->id()));
  }

}

Classes

Name	Description
MoveTest	Tests the file move function.