function ConfigTargetTest::testMultiTarget

File

core/tests/Drupal/Tests/Core/Form/ConfigTargetTest.php, line 304

Class

ConfigTargetTest

@coversDefaultClass \Drupal\Core\Form\ConfigTarget[[api-linebreak]] @group Form

Namespace

Code

public function testMultiTarget() : void {
  $config_target = new ConfigTarget('foo.settings', [
    'first',
    'second',
  ], fromConfig: fn(int $first, int $second): string => "{$first}|{$second}", toConfig: fn(string $form_value): array => [
    'first' => intval(explode('|', $form_value)[0]),
    'second' => intval(explode('|', $form_value)[1]),
  ]);
  // Assert the logic in the callables works as expected.
  $this->assertSame("42|-4", ($config_target->fromConfig)(42, -4));
  $this->assertSame([
    'first' => 9,
    'second' => 19,
  ], ($config_target->toConfig)("9|19"));
  // Now simulate how this will be used in the form, and ensure it results in
  // the expected Config::set() calls.
  $config = $this->prophesize(Config::class);
  $config->getName()
    ->willReturn('foo.settings');
  // First to transform the stored config value to the form value.
  $config->get('first')
    ->willReturn(-17);
  $config->get('second')
    ->willReturn(71);
  $this->assertSame("-17|71", $config_target->getValue($config->reveal()));
  // Then to transform the modified form value back to config.
  $config->set('first', 1988)
    ->shouldBeCalledTimes(1);
  $config->set('second', 1992)
    ->shouldBeCalledTimes(1);
  $config_target->setValue($config->reveal(), '1988|1992', $this->prophesize(FormStateInterface::class)
    ->reveal());
}