1
0
mirror of https://github.com/danog/amp.git synced 2024-12-11 17:09:40 +01:00
amp/test/Future/SomeTest.php

97 lines
2.9 KiB
PHP
Raw Normal View History

2021-09-17 02:16:51 +02:00
<?php
namespace Amp\Future;
use Amp\CancelledException;
use Amp\CompositeException;
use Amp\Deferred;
use Amp\Future;
use Amp\TimeoutCancellationToken;
use PHPUnit\Framework\TestCase;
use Revolt\EventLoop\Loop;
use function Amp\Future\some;
class SomeTest extends TestCase
{
public function testSingleComplete(): void
{
self::assertSame([0 => 42], some([Future::complete(42)], 1));
}
public function testTwoComplete(): void
{
self::assertSame([1, 2], some([Future::complete(1), Future::complete(2)], 2));
}
public function testTwoFirstPending(): void
{
$deferred = new Deferred();
self::assertSame([1 => 2], some([$deferred->getFuture(), Future::complete(2)], 1));
}
public function testTwoFirstThrowing(): void
{
self::assertSame(['two' => 2], some(['one' => Future::error(new \Exception('foo')), 'two' => Future::complete(2)], 1));
}
public function testTwoBothThrowing(): void
{
$this->expectException(CompositeException::class);
$this->expectExceptionMessage('Multiple errors encountered (2); use "Amp\CompositeException::getReasons()" to retrieve the array of exceptions thrown:');
Future\some([Future::error(new \Exception('foo')), Future::error(new \RuntimeException('bar'))], 2);
}
public function testTwoGeneratorThrows(): void
{
self::assertSame([1 => 2], some((static function () {
yield Future::error(new \Exception('foo'));
yield Future::complete(2);
})(), 1));
}
public function testCancellation(): void
{
$this->expectException(CancelledException::class);
$deferreds = \array_map(function (int $value) {
$deferred = new Deferred;
Loop::delay($value / 10, fn() => $deferred->complete($value));
return $deferred;
}, \range(1, 3));
some(\array_map(
fn(Deferred $deferred) => $deferred->getFuture(),
$deferreds
), 3, new TimeoutCancellationToken(0.05));
}
public function testCompleteBeforeCancellation(): void
{
$deferreds = \array_map(function (int $value) {
$deferred = new Deferred;
Loop::delay($value / 10, fn() => $deferred->complete($value));
return $deferred;
}, \range(1, 3));
self::assertSame(\range(1, 3), some(\array_map(
fn(Deferred $deferred) => $deferred->getFuture(),
$deferreds
), 3, new TimeoutCancellationToken(0.5)));
}
public function testZero(): void
{
$this->expectException(\ValueError::class);
$this->expectExceptionMessage('greater than 0');
some([], 0);
}
public function testTooFew(): void
{
$this->expectException(\Error::class);
$this->expectExceptionMessage('required count');
some([Future::complete(1), Future::complete(2)], 3);
}
}