FunctionsTest.php

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<?php
 
namespace Sabre\Event\Promise;
 
use Sabre\Event\Loop;
use Sabre\Event\Promise;
 
class FunctionsTest extends \PHPUnit_Framework_TestCase {
 
    function testAll() {
 
        $promise1 = new Promise();
        $promise2 = new Promise();
 
        $finalValue = 0;
        Promise\all([$promise1, $promise2])->then(function($value) use (&$finalValue) {
 
            $finalValue = $value;
 
        });
 
        $promise1->fulfill(1);
        Loop\run();
        $this->assertEquals(0, $finalValue);
 
        $promise2->fulfill(2);
        Loop\run();
        $this->assertEquals([1, 2], $finalValue);
 
    }
 
    function testAllReject() {
 
        $promise1 = new Promise();
        $promise2 = new Promise();
 
        $finalValue = 0;
        Promise\all([$promise1, $promise2])->then(
            function($value) use (&$finalValue) {
                $finalValue = 'foo';
                return 'test';
            },
            function($value) use (&$finalValue) {
                $finalValue = $value;
            }
        );
 
        $promise1->reject(1);
        Loop\run();
        $this->assertEquals(1, $finalValue);
        $promise2->reject(2);
        Loop\run();
        $this->assertEquals(1, $finalValue);
 
    }
 
    function testAllRejectThenResolve() {
 
        $promise1 = new Promise();
        $promise2 = new Promise();
 
        $finalValue = 0;
        Promise\all([$promise1, $promise2])->then(
            function($value) use (&$finalValue) {
                $finalValue = 'foo';
                return 'test';
            },
            function($value) use (&$finalValue) {
                $finalValue = $value;
            }
        );
 
        $promise1->reject(1);
        Loop\run();
        $this->assertEquals(1, $finalValue);
        $promise2->fulfill(2);
        Loop\run();
        $this->assertEquals(1, $finalValue);
 
    }
 
    function testRace() {
 
        $promise1 = new Promise();
        $promise2 = new Promise();
 
        $finalValue = 0;
        Promise\race([$promise1, $promise2])->then(
            function($value) use (&$finalValue) {
                $finalValue = $value;
            },
            function($value) use (&$finalValue) {
                $finalValue = $value;
            }
        );
 
        $promise1->fulfill(1);
        Loop\run();
        $this->assertEquals(1, $finalValue);
        $promise2->fulfill(2);
        Loop\run();
        $this->assertEquals(1, $finalValue);
 
    }
 
    function testRaceReject() {
 
        $promise1 = new Promise();
        $promise2 = new Promise();
 
        $finalValue = 0;
        Promise\race([$promise1, $promise2])->then(
            function($value) use (&$finalValue) {
                $finalValue = $value;
            },
            function($value) use (&$finalValue) {
                $finalValue = $value;
            }
        );
 
        $promise1->reject(1);
        Loop\run();
        $this->assertEquals(1, $finalValue);
        $promise2->reject(2);
        Loop\run();
        $this->assertEquals(1, $finalValue);
 
    }
 
    function testResolve() {
 
        $finalValue = 0;
 
        $promise = resolve(1);
        $promise->then(function($value) use (&$finalValue) {
 
            $finalValue = $value;
 
        });
 
        $this->assertEquals(0, $finalValue);
        Loop\run();
        $this->assertEquals(1, $finalValue);
 
    }
 
    function testResolvePromise() {
 
        $finalValue = 0;
 
        $promise = new Promise();
        $promise->reject(new \Exception('uh oh'));
 
        $newPromise = resolve($promise);
        $newPromise->wait();
 
    }
 
    function testReject() {
 
        $finalValue = 0;
 
        $promise = reject(1);
        $promise->then(function($value) use (&$finalValue) {
 
            $finalValue = 'im broken';
 
        }, function($reason) use (&$finalValue) {
 
            $finalValue = $reason;
        
        });
 
        $this->assertEquals(0, $finalValue);
        Loop\run();
        $this->assertEquals(1, $finalValue);
 
    }
 
 
}