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amp/test/CallTest.php

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<?php
namespace Amp\Test;
use Amp;
use Amp\Coroutine;
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use Amp\Failure;
use Amp\Loop;
use Amp\PHPUnit\TestException;
use Amp\Promise;
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use Amp\Success;
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use React\Promise\FulfilledPromise as FulfilledReactPromise;
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class CallTest extends BaseTest
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{
public function testCallWithFunctionReturningPromise()
{
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$value = 1;
$promise = Amp\call(function ($value) {
return new Success($value);
}, $value);
$this->assertInstanceOf(Promise::class, $promise);
$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
$result = $value;
});
$this->assertNull($reason);
$this->assertSame($value, $result);
}
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public function testCallWithFunctionReturningValue()
{
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$value = 1;
$promise = Amp\call(function ($value) {
return $value;
}, $value);
$this->assertInstanceOf(Promise::class, $promise);
$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
$result = $value;
});
$this->assertNull($reason);
$this->assertSame($value, $result);
}
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public function testCallWithThrowingFunction()
{
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$exception = new \Exception;
$promise = Amp\call(function () use ($exception) {
throw $exception;
});
$this->assertInstanceOf(Promise::class, $promise);
$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
$result = $value;
});
$this->assertSame($exception, $reason);
$this->assertNull($result);
}
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public function testCallWithFunctionReturningReactPromise()
{
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$value = 1;
$promise = Amp\call(function ($value) {
return new FulfilledReactPromise($value);
}, $value);
$this->assertInstanceOf(Promise::class, $promise);
$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
$result = $value;
});
$this->assertNull($reason);
$this->assertSame($value, $result);
}
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public function testCallWithGeneratorFunction()
{
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$value = 1;
$promise = Amp\call(function ($value) {
return yield new Success($value);
}, $value);
$this->assertInstanceOf(Coroutine::class, $promise);
$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
$result = $value;
});
$this->assertNull($reason);
$this->assertSame($value, $result);
}
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public function testAsyncCallFunctionWithFailure()
{
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\Amp\asyncCall(function ($value) {
return new Failure(new TestException);
}, 42);
$this->expectException(TestException::class);
Loop::run();
}
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}