class ComputedFileUrlTest

class ComputedFileUrlTest extends KernelTestBase {
  
  /**
   * The test URL to use.
   *
   * @var string
   */
  protected $testUrl = 'public://druplicon.txt';
  
  /**
   * @covers ::getValue
   */
  public function testGetValue() {
    $entity = $this->prophesize(FileInterface::class);
    $entity->getFileUri()
      ->willReturn($this->testUrl);
    $parent = $this->prophesize(FieldItemInterface::class);
    $parent->getEntity()
      ->shouldBeCalledTimes(2)
      ->willReturn($entity->reveal());
    $definition = $this->prophesize(DataDefinitionInterface::class);
    $typed_data = new ComputedFileUrl($definition->reveal(), $this->randomMachineName(), $parent->reveal());
    $expected = base_path() . $this->siteDirectory . '/files/druplicon.txt';
    $this->assertSame($expected, $typed_data->getValue());
    // Do this a second time to confirm the same value is returned but the value
    // isn't retrieved from the parent entity again.
    $this->assertSame($expected, $typed_data->getValue());
  }
  
  /**
   * @covers ::setValue
   */
  public function testSetValue() {
    $name = $this->randomMachineName();
    $parent = $this->prophesize(FieldItemInterface::class);
    $parent->onChange($name)
      ->shouldBeCalled();
    $definition = $this->prophesize(DataDefinitionInterface::class);
    $typed_data = new ComputedFileUrl($definition->reveal(), $name, $parent->reveal());
    // Setting the value explicitly should mean the parent entity is never
    // called into.
    $typed_data->setValue($this->testUrl);
    $this->assertSame($this->testUrl, $typed_data->getValue());
    // Do this a second time to confirm the same value is returned but the value
    // isn't retrieved from the parent entity again.
    $this->assertSame($this->testUrl, $typed_data->getValue());
  }
  
  /**
   * @covers ::setValue
   */
  public function testSetValueNoNotify() {
    $name = $this->randomMachineName();
    $parent = $this->prophesize(FieldItemInterface::class);
    $parent->onChange($name)
      ->shouldNotBeCalled();
    $definition = $this->prophesize(DataDefinitionInterface::class);
    $typed_data = new ComputedFileUrl($definition->reveal(), $name, $parent->reveal());
    // Setting the value should explicitly should mean the parent entity is
    // never called into.
    $typed_data->setValue($this->testUrl, FALSE);
    $this->assertSame($this->testUrl, $typed_data->getValue());
  }

}