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<?php
namespace GuzzleHttp\Tests\Ring\Future;
use GuzzleHttp\Ring\Exception\CancelledFutureAccessException;
use GuzzleHttp\Ring\Future\FutureValue;
use React\Promise\Deferred;
class FutureValueTest extends \PHPUnit_Framework_TestCase
{
public function testDerefReturnsValue()
{
$called = 0;
$deferred = new Deferred();
$f = new FutureValue(
$deferred->promise(),
function () use ($deferred, &$called) {
$called++;
$deferred->resolve('foo');
}
);
$this->assertEquals('foo', $f->wait());
$this->assertEquals(1, $called);
$this->assertEquals('foo', $f->wait());
$this->assertEquals(1, $called);
$f->cancel();
$this->assertTrue($this->readAttribute($f, 'isRealized'));
}
/**
* @expectedException \GuzzleHttp\Ring\Exception\CancelledFutureAccessException
*/
public function testThrowsWhenAccessingCancelled()
{
$f = new FutureValue(
(new Deferred())->promise(),
function () {},
function () { return true; }
);
$f->cancel();
$f->wait();
}
/**
* @expectedException \OutOfBoundsException
*/
public function testThrowsWhenDerefFailure()
{
$called = false;
$deferred = new Deferred();
$f = new FutureValue(
$deferred->promise(),
function () use(&$called) {
$called = true;
}
);
$deferred->reject(new \OutOfBoundsException());
$f->wait();
$this->assertFalse($called);
}
/**
* @expectedException \GuzzleHttp\Ring\Exception\RingException
* @expectedExceptionMessage Waiting did not resolve future
*/
public function testThrowsWhenDerefDoesNotResolve()
{
$deferred = new Deferred();
$f = new FutureValue(
$deferred->promise(),
function () use(&$called) {
$called = true;
}
);
$f->wait();
}
public function testThrowingCancelledFutureAccessExceptionCancels()
{
$deferred = new Deferred();
$f = new FutureValue(
$deferred->promise(),
function () use ($deferred) {
throw new CancelledFutureAccessException();
}
);
try {
$f->wait();
$this->fail('did not throw');
} catch (CancelledFutureAccessException $e) {}
}
/**
* @expectedException \Exception
* @expectedExceptionMessage foo
*/
public function testThrowingExceptionInDerefMarksAsFailed()
{
$deferred = new Deferred();
$f = new FutureValue(
$deferred->promise(),
function () {
throw new \Exception('foo');
}
);
$f->wait();
}
}
|
