109 lines
2.8 KiB
PHP
109 lines
2.8 KiB
PHP
<?php
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namespace GuzzleHttp\Tests\Promise;
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use GuzzleHttp\Promise\Promise;
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use GuzzleHttp\Promise\FulfilledPromise;
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/**
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* @covers GuzzleHttp\Promise\FulfilledPromise
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*/
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class FulfilledPromiseTest extends \PHPUnit_Framework_TestCase
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{
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public function testReturnsValueWhenWaitedUpon()
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{
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$p = new FulfilledPromise('foo');
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$this->assertEquals('fulfilled', $p->getState());
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$this->assertEquals('foo', $p->wait(true));
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}
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public function testCannotCancel()
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{
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$p = new FulfilledPromise('foo');
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$this->assertEquals('fulfilled', $p->getState());
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$p->cancel();
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$this->assertEquals('foo', $p->wait());
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}
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/**
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* @expectedException \LogicException
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* @exepctedExceptionMessage Cannot resolve a fulfilled promise
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*/
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public function testCannotResolve()
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{
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$p = new FulfilledPromise('foo');
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$p->resolve('bar');
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}
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/**
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* @expectedException \LogicException
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* @exepctedExceptionMessage Cannot reject a fulfilled promise
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*/
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public function testCannotReject()
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{
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$p = new FulfilledPromise('foo');
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$p->reject('bar');
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}
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public function testCanResolveWithSameValue()
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{
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$p = new FulfilledPromise('foo');
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$p->resolve('foo');
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}
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/**
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* @expectedException \InvalidArgumentException
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*/
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public function testCannotResolveWithPromise()
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{
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new FulfilledPromise(new Promise());
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}
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public function testReturnsSelfWhenNoOnFulfilled()
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{
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$p = new FulfilledPromise('a');
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$this->assertSame($p, $p->then());
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}
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public function testAsynchronouslyInvokesOnFulfilled()
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{
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$p = new FulfilledPromise('a');
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$r = null;
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$f = function ($d) use (&$r) { $r = $d; };
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$p2 = $p->then($f);
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$this->assertNotSame($p, $p2);
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$this->assertNull($r);
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\GuzzleHttp\Promise\queue()->run();
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$this->assertEquals('a', $r);
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}
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public function testReturnsNewRejectedWhenOnFulfilledFails()
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{
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$p = new FulfilledPromise('a');
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$f = function () { throw new \Exception('b'); };
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$p2 = $p->then($f);
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$this->assertNotSame($p, $p2);
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try {
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$p2->wait();
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$this->fail();
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} catch (\Exception $e) {
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$this->assertEquals('b', $e->getMessage());
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}
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}
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public function testOtherwiseIsSugarForRejections()
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{
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$c = null;
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$p = new FulfilledPromise('foo');
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$p->otherwise(function ($v) use (&$c) { $c = $v; });
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$this->assertNull($c);
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}
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public function testDoesNotTryToFulfillTwiceDuringTrampoline()
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{
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$fp = new FulfilledPromise('a');
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$t1 = $fp->then(function ($v) { return $v . ' b'; });
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$t1->resolve('why!');
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$this->assertEquals('why!', $t1->wait());
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}
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}
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