function FileFieldValidateTest::testFileExtension

Tests file extension checking.

File

core/modules/file/tests/src/Functional/FileFieldValidateTest.php, line 132

Class

FileFieldValidateTest

Tests file field validation functions.

Namespace

Code

public function testFileExtension() : void {
  $node_storage = $this->container
    ->get('entity_type.manager')
    ->getStorage('node');
  $type_name = 'article';
  $field_name = $this->randomMachineName();
  $this->createFileField($field_name, 'node', $type_name);
  $test_file = $this->getTestFile('image');
  [
    ,
    $test_file_extension,
  ] = explode('.', $test_file->getFilename());
  // Disable extension checking.
  $this->updateFileField($field_name, $type_name, [
    'file_extensions' => '',
  ]);
  // Check that the file can be uploaded with no extension checking.
  $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
  $node_storage->resetCache([
    $nid,
  ]);
  $node = $node_storage->load($nid);
  $node_file = File::load($node->{$field_name}->target_id);
  $this->assertFileExists($node_file->getFileUri());
  $this->assertFileEntryExists($node_file, 'File entry exists after uploading a file with no extension checking.');
  // Enable extension checking for text files.
  $this->updateFileField($field_name, $type_name, [
    'file_extensions' => 'txt',
  ]);
  // Check that the file with the wrong extension cannot be uploaded.
  $this->uploadNodeFile($test_file, $field_name, $type_name);
  $this->assertSession()
    ->pageTextContains("Only files with the following extensions are allowed: txt.");
  // Enable extension checking for text and image files.
  $this->updateFileField($field_name, $type_name, [
    'file_extensions' => "txt {$test_file_extension}",
  ]);
  // Check that the file can be uploaded with extension checking.
  $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
  $node_storage->resetCache([
    $nid,
  ]);
  $node = $node_storage->load($nid);
  $node_file = File::load($node->{$field_name}->target_id);
  $this->assertFileExists($node_file->getFileUri());
  $this->assertFileEntryExists($node_file, 'File entry exists after uploading a file with extension checking.');
}