FulfilledPromiseTest.php in Zircon Profile 8

Namespace

GuzzleHttp\Tests\Promise

File

vendor/guzzlehttp/promises/tests/FulfilledPromiseTest.php

<?php

namespace GuzzleHttp\Tests\Promise;

use GuzzleHttp\Promise\Promise;
use GuzzleHttp\Promise\FulfilledPromise;

/**
 * @covers GuzzleHttp\Promise\FulfilledPromise
 */
class FulfilledPromiseTest extends \PHPUnit_Framework_TestCase {
  public function testReturnsValueWhenWaitedUpon() {
    $p = new FulfilledPromise('foo');
    $this
      ->assertEquals('fulfilled', $p
      ->getState());
    $this
      ->assertEquals('foo', $p
      ->wait(true));
  }
  public function testCannotCancel() {
    $p = new FulfilledPromise('foo');
    $this
      ->assertEquals('fulfilled', $p
      ->getState());
    $p
      ->cancel();
    $this
      ->assertEquals('foo', $p
      ->wait());
  }

  /**
   * @expectedException \LogicException
   * @exepctedExceptionMessage Cannot resolve a fulfilled promise
   */
  public function testCannotResolve() {
    $p = new FulfilledPromise('foo');
    $p
      ->resolve('bar');
  }

  /**
   * @expectedException \LogicException
   * @exepctedExceptionMessage Cannot reject a fulfilled promise
   */
  public function testCannotReject() {
    $p = new FulfilledPromise('foo');
    $p
      ->reject('bar');
  }
  public function testCanResolveWithSameValue() {
    $p = new FulfilledPromise('foo');
    $p
      ->resolve('foo');
  }

  /**
   * @expectedException \InvalidArgumentException
   */
  public function testCannotResolveWithPromise() {
    new FulfilledPromise(new Promise());
  }
  public function testReturnsSelfWhenNoOnFulfilled() {
    $p = new FulfilledPromise('a');
    $this
      ->assertSame($p, $p
      ->then());
  }
  public function testAsynchronouslyInvokesOnFulfilled() {
    $p = new FulfilledPromise('a');
    $r = null;
    $f = function ($d) use (&$r) {
      $r = $d;
    };
    $p2 = $p
      ->then($f);
    $this
      ->assertNotSame($p, $p2);
    $this
      ->assertNull($r);
    \GuzzleHttp\Promise\queue()
      ->run();
    $this
      ->assertEquals('a', $r);
  }
  public function testReturnsNewRejectedWhenOnFulfilledFails() {
    $p = new FulfilledPromise('a');
    $f = function () {
      throw new \Exception('b');
    };
    $p2 = $p
      ->then($f);
    $this
      ->assertNotSame($p, $p2);
    try {
      $p2
        ->wait();
      $this
        ->fail();
    } catch (\Exception $e) {
      $this
        ->assertEquals('b', $e
        ->getMessage());
    }
  }
  public function testOtherwiseIsSugarForRejections() {
    $c = null;
    $p = new FulfilledPromise('foo');
    $p
      ->otherwise(function ($v) use (&$c) {
      $c = $v;
    });
    $this
      ->assertNull($c);
  }
  public function testDoesNotTryToFulfillTwiceDuringTrampoline() {
    $fp = new FulfilledPromise('a');
    $t1 = $fp
      ->then(function ($v) {
      return $v . ' b';
    });
    $t1
      ->resolve('why!');
    $this
      ->assertEquals('why!', $t1
      ->wait());
  }

}

Classes

Name	Description
FulfilledPromiseTest	@covers GuzzleHttp\Promise\FulfilledPromise