function CopyTest::testExistingReplace

Tests replacement when copying over a file that already exists.

@covers ::copy

File

core/modules/file/tests/src/Kernel/CopyTest.php, line 116

Class

CopyTest

Tests the file copy function.

Namespace

Code

public function testExistingReplace() : void {
  // 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 = $this->fileRepository
    ->copy(clone $source, $target->getFileUri(), FileExists::Replace);
  // Check the return status and that the contents changed.
  $this->assertNotFalse($result, 'File copied successfully.');
  $this->assertEquals($contents, file_get_contents($result->getFileUri()), 'Contents of file were overwritten.');
  $this->assertDifferentFile($source, $result);
  // Check that the correct hooks were called.
  $this->assertFileHooksCalled([
    'load',
    'copy',
    'update',
  ]);
  // Load all the affected files to check the changes that actually made it
  // to the database.
  $loaded_source = File::load($source->id());
  $loaded_target = File::load($target->id());
  $loaded_result = File::load($result->id());
  // 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);
}