function FileCopyTest::testExistingReplace in Drupal 7

Test replacement when copying over a file that already exists.

File

modules/simpletest/tests/file.test, line 1992

This provides SimpleTests for the core file handling functionality. These include FileValidateTest and FileSaveTest.

Class

FileCopyTest

Copy related tests.

Code

function testExistingReplace() {

  // Setup a file to overwrite.
  $contents = $this
    ->randomName(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_copy(clone $source, $target->uri, FILE_EXISTS_REPLACE);

  // Check the return status and that the contents changed.
  $this
    ->assertTrue($result, 'File copied successfully.');
  $this
    ->assertEqual($contents, file_get_contents($result->uri), 'Contents of file were overwritten.');
  $this
    ->assertDifferentFile($source, $result);

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

  // Load all the affected files to check the changes that actually made it
  // to the database.
  $loaded_source = file_load($source->fid, TRUE);
  $loaded_target = file_load($target->fid, TRUE);
  $loaded_result = file_load($result->fid, TRUE);

  // Verify that the source file wasn't changed.
  $this
    ->assertFileUnchanged($source, $loaded_source);

  // Verify that what was returned is what's in the database.
  $this
    ->assertFileUnchanged($result, $loaded_result);

  // Target file was reused for the result.
  $this
    ->assertFileUnchanged($loaded_target, $loaded_result);
}