function ConfigTargetTest::testSingleTarget

File

core/tests/Drupal/Tests/Core/Form/ConfigTargetTest.php, line 246

Class

ConfigTargetTest

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

Namespace

Code

public function testSingleTarget() : void {
  $config_target = new ConfigTarget('foo.settings', 'something', fromConfig: fn(bool $something): string => $something ? 'Yes' : 'No', toConfig: fn(string $form_value): ToConfig|bool => match ($form_value) {  'Yes' => TRUE,
    '<test:noop>' => ToConfig::NoOp,
    '<test:delete>' => ToConfig::DeleteKey,
    default => FALSE,
  
  });
  // Assert the logic in the callables works as expected.
  $this->assertSame("Yes", ($config_target->fromConfig)(TRUE));
  $this->assertSame("No", ($config_target->fromConfig)(FALSE));
  $this->assertTrue(($config_target->toConfig)("Yes"));
  $this->assertFalse(($config_target->toConfig)("No"));
  $this->assertFalse(($config_target->toConfig)("some random string"));
  $this->assertSame(ToConfig::NoOp, ($config_target->toConfig)("<test:noop>"));
  $this->assertSame(ToConfig::DeleteKey, ($config_target->toConfig)("<test:delete>"));
  // 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('something')
    ->willReturn(TRUE);
  $this->assertSame("Yes", $config_target->getValue($config->reveal()));
  // Then to transform the modified form value back to config.
  $config->set('something', TRUE)
    ->shouldBeCalledTimes(1);
  $config_target->setValue($config->reveal(), 'Yes', $this->prophesize(FormStateInterface::class)
    ->reveal());
  // Repeat, but for the other possible value.
  $config->get('something')
    ->willReturn(FALSE);
  $this->assertSame("No", $config_target->getValue($config->reveal()));
  $config->set('something', FALSE)
    ->shouldBeCalledTimes(1);
  $config_target->setValue($config->reveal(), 'No', $this->prophesize(FormStateInterface::class)
    ->reveal());
  // Test `ToConfig::NoOp`: nothing should happen to the Config.
  $config = $this->prophesize(Config::class);
  $config->getName()
    ->willReturn('foo.settings');
  $config->set('something', Argument::any())
    ->shouldBeCalledTimes(0);
  $config->clear('something', Argument::any())
    ->shouldBeCalledTimes(0);
  $config_target->setValue($config->reveal(), '<test:noop>', $this->prophesize(FormStateInterface::class)
    ->reveal());
  // Test `ToConfig::DeleteKey`: Config::clear() should be called.
  $config = $this->prophesize(Config::class);
  $config->getName()
    ->willReturn('foo.settings');
  $config->clear('something')
    ->shouldBeCalledTimes(1);
  $config_target->setValue($config->reveal(), '<test:delete>', $this->prophesize(FormStateInterface::class)
    ->reveal());
}