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amp/test/WaitTest.php
2020-10-06 23:40:14 -05:00

100 lines
2.0 KiB
PHP

<?php
namespace Amp\Test;
use Amp\Delayed;
use Amp\Failure;
use Amp\PHPUnit\AsyncTestCase;
use Amp\Promise;
use Amp\Success;
use function Amp\call;
use function React\Promise\resolve;
class WaitTest extends AsyncTestCase
{
public function testWaitOnSuccessfulPromise(): void
{
$value = 1;
$promise = new Success($value);
$result = Promise\wait($promise);
$this->assertSame($value, $result);
}
public function testWaitOnFailedPromise(): void
{
$exception = new \Exception();
$promise = new Failure($exception);
try {
$result = Promise\wait($promise);
} catch (\Exception $e) {
$this->assertSame($exception, $e);
return;
}
$this->fail('Rejection exception should be thrown from wait().');
}
/**
* @depends testWaitOnSuccessfulPromise
*/
public function testWaitOnPendingPromise(): void
{
$value = 1;
$promise = new Delayed(100, $value);
$result = Promise\wait($promise);
$this->assertSame($value, $result);
}
/**
* @depends testWaitOnSuccessfulPromise
*/
public function testReactPromise(): void
{
$value = 1;
$promise = resolve($value);
$result = Promise\wait($promise);
$this->assertSame($value, $result);
}
public function testWaitNested(): void
{
$promise = call(static function () {
yield new Delayed(10);
return Promise\wait(new Delayed(10, 1));
});
$result = Promise\wait($promise);
$this->assertSame(1, $result);
}
public function testWaitNestedDelayed(): void
{
$promise = call(static function () {
yield new Delayed(10);
$result = Promise\wait(new Delayed(10, 1));
yield new Delayed(0);
return $result;
});
$result = Promise\wait($promise);
$this->assertSame(1, $result);
}
}