ComputedFileUrlTest.php

<?php

namespace Drupal\Tests\file\Kernel;

use Drupal\Core\Field\FieldItemInterface;
use Drupal\Core\TypedData\DataDefinitionInterface;
use Drupal\file\FileInterface;
use Drupal\file\ComputedFileUrl;
use Drupal\KernelTests\KernelTestBase;

/**
 * @coversDefaultClass \Drupal\file\ComputedFileUrl
 *
 * @group file
 */
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());
    }

}