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amp/test/SomeTest.php

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<?php
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namespace Amp\Test;
use Amp\Delayed;
use Amp\Failure;
use Amp\MultiReasonException;
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use Amp\PHPUnit\AsyncTestCase;
use Amp\Promise;
use Amp\Success;
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use function Amp\await;
use function React\Promise\resolve;
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class SomeTest extends AsyncTestCase
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{
public function testEmptyArray()
{
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$this->assertSame([[], []], Promise\wait(Promise\some([], 0)));
}
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public function testEmptyArrayWithNonZeroRequired(): void
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{
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$this->expectException(\Error::class);
$this->expectExceptionMessage("Too few promises provided");
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Promise\some([], 1);
}
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public function testInvalidRequiredNumberOfPromises(): void
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{
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$this->expectException(\Error::class);
$this->expectExceptionMessage("non-negative");
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Promise\some([], -1);
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}
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public function testSuccessfulPromisesArray(): void
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{
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$promises = [new Success(1), new Success(2), new Success(3)];
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$this->assertSame([[], [1, 2, 3]], await(Promise\some($promises)));
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}
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public function testReactPromiseArray(): void
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{
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$promises = [resolve(1), resolve(2), resolve(3)];
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$this->assertSame([[], [1, 2, 3]], await(Promise\some($promises)));
}
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public function testFailedPromisesArray(): void
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{
$exception = new \Exception;
$promises = [new Failure($exception), new Failure($exception), new Failure($exception)];
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try {
await(Promise\some($promises));
} catch (MultiReasonException $reason) {
$this->assertSame([$exception, $exception, $exception], $reason->getReasons());
return;
}
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$this->fail("Promise should have failed");
}
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public function testSuccessfulAndFailedPromisesArray(): void
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{
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$exception = new \Exception;
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$promises = [new Failure($exception), new Failure($exception), new Success(3)];
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$this->assertSame([[0 => $exception, 1 => $exception], [2 => 3]], await(Promise\some($promises)));
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}
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public function testPendingPromiseArray(): void
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{
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$promises = [
new Delayed(20, 1),
new Delayed(30, 2),
new Delayed(10, 3),
];
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$this->assertEquals([[], [0 => 1, 1 => 2, 2 => 3]], await(Promise\some($promises)));
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}
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public function testArrayKeysPreserved(): void
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{
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$expected = [[], ['one' => 1, 'two' => 2, 'three' => 3]];
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$promises = [
'one' => new Delayed(20, 1),
'two' => new Delayed(30, 2),
'three' => new Delayed(10, 3),
];
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$this->assertEquals($expected, await(Promise\some($promises)));
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}
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public function testNonPromise(): void
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{
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$this->expectException(\TypeError::class);
await(Promise\some([1]));
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}
}