ArgumentsResolverTest.php in Drupal 8

Contains \Drupal\Tests\Component\Utility\ArgumentsResolverTest.

Namespace

Drupal\Tests\Component\Utility

File

core/tests/Drupal/Tests/Component/Utility/ArgumentsResolverTest.php

<?php

/**
 * @file
 * Contains \Drupal\Tests\Component\Utility\ArgumentsResolverTest.
 */
namespace Drupal\Tests\Component\Utility;

use Drupal\Component\Utility\ArgumentsResolver;
use PHPUnit\Framework\TestCase;

/**
 * @coversDefaultClass \Drupal\Component\Utility\ArgumentsResolver
 * @group Access
 */
class ArgumentsResolverTest extends TestCase {

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
  }

  /**
   * Tests the getArgument() method.
   *
   * @dataProvider providerTestGetArgument
   */
  public function testGetArgument($callable, $scalars, $objects, $wildcards, $expected) {
    $arguments = (new ArgumentsResolver($scalars, $objects, $wildcards))
      ->getArguments($callable);
    $this
      ->assertSame($expected, $arguments);
  }

  /**
   * Provides test data to testGetArgument().
   */
  public function providerTestGetArgument() {
    $data = [];

    // Test an optional parameter with no provided value.
    $data[] = [
      function ($foo = 'foo') {
      },
      [],
      [],
      [],
      [
        'foo',
      ],
    ];

    // Test an optional parameter with a provided value.
    $data[] = [
      function ($foo = 'foo') {
      },
      [
        'foo' => 'bar',
      ],
      [],
      [],
      [
        'bar',
      ],
    ];

    // Test with a provided value.
    $data[] = [
      function ($foo) {
      },
      [
        'foo' => 'bar',
      ],
      [],
      [],
      [
        'bar',
      ],
    ];

    // Test with an explicitly NULL value.
    $data[] = [
      function ($foo) {
      },
      [],
      [
        'foo' => NULL,
      ],
      [],
      [
        NULL,
      ],
    ];

    // Test with a raw value that overrides the provided upcast value, since
    // it is not typehinted.
    $scalars = [
      'foo' => 'baz',
    ];
    $objects = [
      'foo' => new \stdClass(),
    ];
    $data[] = [
      function ($foo) {
      },
      $scalars,
      $objects,
      [],
      [
        'baz',
      ],
    ];
    return $data;
  }

  /**
   * Tests getArgument() with an object.
   */
  public function testGetArgumentObject() {
    $callable = function (\stdClass $object) {
    };
    $object = new \stdClass();
    $arguments = (new ArgumentsResolver([], [
      'object' => $object,
    ], []))
      ->getArguments($callable);
    $this
      ->assertSame([
      $object,
    ], $arguments);
  }

  /**
   * Tests getArgument() with a wildcard object for a parameter with a custom name.
   */
  public function testGetWildcardArgument() {
    $callable = function (\stdClass $custom_name) {
    };
    $object = new \stdClass();
    $arguments = (new ArgumentsResolver([], [], [
      $object,
    ]))
      ->getArguments($callable);
    $this
      ->assertSame([
      $object,
    ], $arguments);
  }

  /**
   * Tests getArgument() with a Route, Request, and Account object.
   */
  public function testGetArgumentOrder() {
    $a1 = $this
      ->getMockBuilder('\\Drupal\\Tests\\Component\\Utility\\Test1Interface')
      ->getMock();
    $a2 = $this
      ->getMockBuilder('\\Drupal\\Tests\\Component\\Utility\\TestClass')
      ->getMock();
    $a3 = $this
      ->getMockBuilder('\\Drupal\\Tests\\Component\\Utility\\Test2Interface')
      ->getMock();
    $objects = [
      't1' => $a1,
      'tc' => $a2,
    ];
    $wildcards = [
      $a3,
    ];
    $resolver = new ArgumentsResolver([], $objects, $wildcards);
    $callable = function (Test1Interface $t1, TestClass $tc, Test2Interface $t2) {
    };
    $arguments = $resolver
      ->getArguments($callable);
    $this
      ->assertSame([
      $a1,
      $a2,
      $a3,
    ], $arguments);

    // Test again, but with the arguments in a different order.
    $callable = function (Test2Interface $t2, TestClass $tc, Test1Interface $t1) {
    };
    $arguments = $resolver
      ->getArguments($callable);
    $this
      ->assertSame([
      $a3,
      $a2,
      $a1,
    ], $arguments);
  }

  /**
   * Tests getArgument() with a wildcard parameter with no typehint.
   *
   * Without the typehint, the wildcard object will not be passed to the callable.
   */
  public function testGetWildcardArgumentNoTypehint() {
    $a = $this
      ->getMockBuilder('\\Drupal\\Tests\\Component\\Utility\\Test1Interface')
      ->getMock();
    $wildcards = [
      $a,
    ];
    $resolver = new ArgumentsResolver([], [], $wildcards);
    $callable = function ($route) {
    };
    $this
      ->expectException(\RuntimeException::class);
    $this
      ->expectExceptionMessage('requires a value for the "$route" argument.');
    $resolver
      ->getArguments($callable);
  }

  /**
   * Tests getArgument() with a named parameter with no typehint and a value.
   *
   * Without the typehint, passing a value to a named parameter will still
   * receive the provided value.
   */
  public function testGetArgumentRouteNoTypehintAndValue() {
    $scalars = [
      'route' => 'foo',
    ];
    $resolver = new ArgumentsResolver($scalars, [], []);
    $callable = function ($route) {
    };
    $arguments = $resolver
      ->getArguments($callable);
    $this
      ->assertSame([
      'foo',
    ], $arguments);
  }

  /**
   * Tests handleUnresolvedArgument() for a scalar argument.
   */
  public function testHandleNotUpcastedArgument() {
    $objects = [
      'foo' => 'bar',
    ];
    $scalars = [
      'foo' => 'baz',
    ];
    $resolver = new ArgumentsResolver($scalars, $objects, []);
    $callable = function (\stdClass $foo) {
    };
    $this
      ->expectException(\RuntimeException::class);
    $this
      ->expectExceptionMessage('requires a value for the "$foo" argument.');
    $resolver
      ->getArguments($callable);
  }

  /**
   * Tests handleUnresolvedArgument() for missing arguments.
   *
   * @dataProvider providerTestHandleUnresolvedArgument
   */
  public function testHandleUnresolvedArgument($callable) {
    $resolver = new ArgumentsResolver([], [], []);
    $this
      ->expectException(\RuntimeException::class);
    $this
      ->expectExceptionMessage('requires a value for the "$foo" argument.');
    $resolver
      ->getArguments($callable);
  }

  /**
   * Provides test data to testHandleUnresolvedArgument().
   */
  public function providerTestHandleUnresolvedArgument() {
    $data = [];
    $data[] = [
      function ($foo) {
      },
    ];
    $data[] = [
      [
        new TestClass(),
        'access',
      ],
    ];
    $data[] = [
      'Drupal\\Tests\\Component\\Utility\\test_access_arguments_resolver_access',
    ];
    return $data;
  }

}

/**
 * Provides a test class.
 */
class TestClass {
  public function access($foo) {
  }

}

/**
 * Provides a test interface.
 */
interface Test1Interface {

}

/**
 * Provides a different test interface.
 */
interface Test2Interface {

}
function test_access_arguments_resolver_access($foo) {
}

Functions

Name	Description
test_access_arguments_resolver_access

Classes

Name	Description
ArgumentsResolverTest	@coversDefaultClass \Drupal\Component\Utility\ArgumentsResolver @group Access
TestClass	Provides a test class.

Interfaces

Name	Description
Test1Interface	Provides a test interface.
Test2Interface	Provides a different test interface.