/**
* Test always.
*
* @param PromiseInterface $promise
*
* @dataProvider promiseDataProvider
*/
public function testAlways(PromiseInterface $promise)
{
$this->given($promise, $onFulfilledOrRejected = $this->delegateMock(), $onNotify = $this->delegateMock())->when($always = $promise->always($onFulfilledOrRejected, $onNotify))->then()->object($always)->isInstanceOf(PromiseInterface::class)->boolean($promise->state()->equals($always->state()))->isTrue();
if ($promise->state()->equals(State::FULFILLED())) {
$this->given($value = $this->defaultResolveValue())->then()->delegateCall($onFulfilledOrRejected)->withArguments($value)->once();
}
if ($promise->state()->equals(State::REJECTED())) {
$this->given($reason = $this->defaultRejectReason())->then()->delegateCall($onFulfilledOrRejected)->withArguments($reason)->once();
}
}
/**
* Test resolve.
*/
public function testResolve()
{
$this->given($deferred = $this->newDefaultTestedInstance(), $value = 'foo')->when($deferred->resolve($value))->then()->boolean($deferred->promise()->state()->equals(State::FULFILLED()))->isTrue();
$this->given($onFulfilled = $this->delegateMock())->when($deferred->promise()->then($onFulfilled))->then()->delegateCall($onFulfilled)->withArguments($value)->once();
$this->invalidActionTest($deferred);
}
/**
* Test all.
*/
public function testAll()
{
$this->given($deferred = Promises::defer(), $promise1 = Promises::fulfilled(1), $promise2 = Promises::fulfilled(2))->when($all = Promises::all(array($deferred->promise(), $promise1, $promise2)))->then()->object($all)->isInstanceOf(PromiseInterface::class)->boolean($all->state()->equals(State::PENDING()))->isTrue();
$this->when($deferred->resolve(0))->then()->boolean($all->state()->equals(State::FULFILLED()))->isTrue();
$this->given($onFulfilled = $this->delegateMock())->when($all->then($onFulfilled))->then()->delegateCall($onFulfilled)->withArguments(array(0, 1, 2))->once();
}
/**
* @param PromiseInterface $promise
* @param LoopInterface $loop
* @param int|float $timeout
*
* @throws RejectionException
*
* @return mixed
*/
public static function get(PromiseInterface $promise, LoopInterface $loop, $timeout = null)
{
$result = null;
$rejectionReason = null;
if ($timeout !== null) {
$promise = self::timeout($promise, $timeout, $loop);
}
$promise->then(function ($value = null) use(&$result) {
$result = $value;
}, function ($reason = null) use(&$rejectionReason) {
$rejectionReason = $reason;
})->always(function () use($loop) {
$loop->stop();
});
while ($promise->state()->equals(State::PENDING())) {
$loop->run();
}
if ($promise->state()->equals(State::FULFILLED())) {
return $result;
}
throw new RejectionException($rejectionReason);
}
