mirror of
https://github.com/danog/amp.git
synced 2024-11-27 04:24:42 +01:00
826 lines
22 KiB
PHP
826 lines
22 KiB
PHP
<?php
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namespace Amp\Test;
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use Amp\Coroutine;
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use Amp\Failure;
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use Amp\InvalidYieldError;
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use Amp\Loop;
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use Amp\Pause;
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use Amp\Success;
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use Amp\Promise;
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use PHPUnit\Framework\TestCase;
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use React\Promise\FulfilledPromise as FulfilledReactPromise;
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use React\Promise\Promise as ReactPromise;
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class CoroutineTest extends TestCase {
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const TIMEOUT = 100;
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public function testYieldSuccessfulPromise() {
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$value = 1;
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$generator = function () use (&$yielded, $value) {
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$yielded = yield new Success($value);
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};
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new Coroutine($generator());
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$this->assertSame($value, $yielded);
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}
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public function testYieldFailedPromise() {
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$exception = new \Exception;
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$generator = function () use (&$yielded, $exception) {
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$yielded = yield new Failure($exception);
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};
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$coroutine = new Coroutine($generator());
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$this->assertNull($yielded);
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertSame($exception, $reason);
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}
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/**
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* @depends testYieldSuccessfulPromise
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*/
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public function testYieldPendingPromise() {
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$value = 1;
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Loop::run(function () use (&$yielded, $value) {
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$generator = function () use (&$yielded, $value) {
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$yielded = yield new Pause(self::TIMEOUT, $value);
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};
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new Coroutine($generator());
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});
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$this->assertSame($value, $yielded);
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}
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public function testYieldPromiseArray() {
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Loop::run(function () {
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$value = 1;
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$generator = function () use (&$yielded, $value) {
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list($yielded) = yield [
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new Success($value)
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];
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};
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yield new Coroutine($generator());
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$this->assertSame($value, $yielded);
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});
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}
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public function testYieldNonPromiseArray() {
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$this->expectException(InvalidYieldError::class);
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Loop::run(function () {
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$value = 1;
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$generator = function () use (&$yielded, $value) {
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list($yielded) = yield [
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$value
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];
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};
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yield new Coroutine($generator());
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});
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}
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public function testYieldPromiseArrayAfterPendingPromise() {
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Loop::run(function () {
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$value = 1;
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$generator = function () use (&$yielded, $value) {
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yield new Pause(10);
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list($yielded) = yield [
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new Success($value)
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];
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};
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yield new Coroutine($generator());
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$this->assertSame($value, $yielded);
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});
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}
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public function testYieldNonPromiseArrayAfterPendingPromise() {
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$this->expectException(InvalidYieldError::class);
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Loop::run(function () {
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$value = 1;
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$generator = function () use (&$yielded, $value) {
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yield new Pause(10);
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list($yielded) = yield [
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$value
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];
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};
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yield new Coroutine($generator());
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});
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}
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/**
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* @depends testYieldFailedPromise
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*/
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public function testCatchingFailedPromiseException() {
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$exception = new \Exception;
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$fail = false;
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$generator = function () use (&$fail, &$result, $exception) {
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try {
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yield new Failure($exception);
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} catch (\Exception $exception) {
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$result = $exception;
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return;
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}
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$fail = true;
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};
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new Coroutine($generator());
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$this->assertFalse($fail);
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}
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public function testInvalidYield() {
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$generator = function () {
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yield 1;
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertInstanceOf(InvalidYieldError::class, $reason);
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}
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/**
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* @depends testInvalidYield
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*/
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public function testInvalidYieldAfterYieldPromise() {
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$generator = function () {
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yield new Success;
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yield 1;
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertInstanceOf(InvalidYieldError::class, $reason);
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}
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/**
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* @depends testInvalidYield
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*/
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public function testInvalidYieldCatchingThrownException() {
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$generator = function () {
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try {
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yield 1;
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} catch (\Error $exception) {
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// No further yields.
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertInstanceOf(InvalidYieldError::class, $reason);
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}
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/**
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* @depends testInvalidYieldCatchingThrownException
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*/
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public function testInvalidYieldCatchingThrownExceptionAndYieldingAgain() {
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$generator = function () {
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try {
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yield 1;
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} catch (\Error $exception) {
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yield new Success;
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertInstanceOf(InvalidYieldError::class, $reason);
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}
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/**
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* @depends testInvalidYieldCatchingThrownException
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*/
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public function testInvalidYieldCatchingThrownExceptionAndThrowing() {
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$exception = new \Exception;
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$generator = function () use ($exception) {
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try {
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yield 1;
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} catch (\Error $error) {
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throw $exception;
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertInstanceOf(InvalidYieldError::class, $reason);
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$this->assertSame($exception, $reason->getPrevious());
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}
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/**
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* @depends testYieldFailedPromise
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*/
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public function testCatchingFailedPromiseExceptionWithNoFurtherYields() {
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$exception = new \Exception;
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$generator = function () use ($exception) {
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try {
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yield new Failure($exception);
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} catch (\Exception $exception) {
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// No further yields in generator.
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
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$result = $value;
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});
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$this->assertNull($reason);
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$this->assertNull($result);
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}
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public function testGeneratorThrowingExceptionFailsCoroutine() {
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$exception = new \Exception;
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$generator = function () use ($exception) {
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throw $exception;
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yield;
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertSame($exception, $reason);
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}
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/**
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* @depends testGeneratorThrowingExceptionFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyFailsCoroutine() {
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$exception = new \Exception;
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$invoked = false;
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$generator = function () use (&$invoked, $exception) {
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try {
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throw $exception;
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yield;
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} finally {
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$invoked = true;
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertSame($exception, $reason);
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$this->assertTrue($invoked);
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}
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/**
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* @depends testYieldFailedPromise
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorYieldingFailedPromiseWithFinallyFailsCoroutine() {
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$exception = new \Exception;
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$invoked = false;
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$generator = function () use (&$invoked, $exception) {
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try {
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yield new Failure($exception);
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} finally {
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$invoked = true;
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertSame($exception, $reason);
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$this->assertTrue($invoked);
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}
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/**
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* @depends testGeneratorThrowingExceptionFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionAfterPendingPromiseWithFinallyFailsCoroutine() {
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$exception = new \Exception;
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$value = 1;
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Loop::run(function () use (&$yielded, &$invoked, &$reason, $exception, $value) {
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$invoked = false;
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$generator = function () use (&$yielded, &$invoked, $exception, $value) {
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try {
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$yielded = (yield new Pause(self::TIMEOUT, $value));
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throw $exception;
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} finally {
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$invoked = true;
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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});
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$this->assertSame($exception, $reason);
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$this->assertTrue($invoked);
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$this->assertSame($value, $yielded);
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}
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/**
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* Note that yielding in a finally block is not recommended.
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*
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* @depends testYieldPendingPromise
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyYieldingPendingPromise() {
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$exception = new \Exception;
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$value = 1;
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Loop::run(function () use (&$yielded, &$reason, $exception, $value) {
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$generator = function () use (&$yielded, $exception, $value) {
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try {
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throw $exception;
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} finally {
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$yielded = yield new Pause(self::TIMEOUT, $value);
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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});
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$this->assertSame($value, $yielded);
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$this->assertSame($exception, $reason);
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}
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/**
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* @depends testYieldPendingPromise
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyBlockThrowing() {
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$exception = new \Exception;
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$generator = function () use ($exception) {
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try {
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throw new \Exception;
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} finally {
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throw $exception;
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}
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yield; // Unreachable, but makes function a generator.
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception) use (&$reason) {
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$reason = $exception;
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});
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$this->assertSame($exception, $reason);
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}
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/**
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* @depends testYieldSuccessfulPromise
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*/
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public function testYieldConsecutiveSucceeded() {
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$invoked = false;
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Loop::run(function () use (&$invoked) {
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$count = 1000;
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$promise = new Success;
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$generator = function () use ($count, $promise) {
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for ($i = 0; $i < $count; ++$i) {
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yield $promise;
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function () use (&$invoked) {
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$invoked = true;
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});
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});
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$this->assertTrue($invoked);
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}
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/**
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* @depends testYieldFailedPromise
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*/
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public function testYieldConsecutiveFailed() {
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$invoked = false;
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Loop::run(function () use (&$invoked) {
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$count = 1000;
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$promise = new Failure(new \Exception);
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$generator = function () use ($count, $promise) {
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for ($i = 0; $i < $count; ++$i) {
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try {
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yield $promise;
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} catch (\Exception $exception) {
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// Ignore and continue.
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}
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}
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function () use (&$invoked) {
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$invoked = true;
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});
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});
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$this->assertTrue($invoked);
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}
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/**
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* @depends testYieldSuccessfulPromise
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*/
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public function testFastInvalidGenerator() {
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$generator = function () {
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if (false) {
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yield new Success;
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}
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};
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$coroutine = new Coroutine($generator());
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$invoked = false;
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$coroutine->onResolve(function () use (&$invoked) {
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$invoked = true;
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});
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$this->assertTrue($invoked);
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}
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public function testCoroutineFunction() {
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$callable = \Amp\coroutine(function () {
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yield;
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});
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$this->assertInstanceOf(Coroutine::class, $callable());
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}
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithCallbackReturningPromise() {
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$value = 1;
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$promise = new Success($value);
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$callable = \Amp\coroutine(function ($value) {
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return $value;
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});
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/** @var Promise $promise */
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$promise = $callable($promise);
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$this->assertInstanceOf(Promise::class, $promise);
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$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
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$result = $value;
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});
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$this->assertNull($reason);
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$this->assertSame($value, $result);
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}
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithNonGeneratorCallback() {
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$value = 1;
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$callable = \Amp\coroutine(function ($value) {
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return $value;
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});
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/** @var Promise $promise */
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$promise = $callable($value);
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$this->assertInstanceOf(Promise::class, $promise);
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$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
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$result = $value;
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});
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$this->assertNull($reason);
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$this->assertSame($value, $result);
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}
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithThrowingCallback() {
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$exception = new \Exception;
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$callable = \Amp\coroutine(function () use ($exception) {
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throw $exception;
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});
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/** @var Promise $promise */
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$promise = $callable();
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$this->assertInstanceOf(Promise::class, $promise);
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$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
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$result = $value;
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});
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$this->assertSame($exception, $reason);
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$this->assertNull($result);
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}
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithSuccessReturnCallback() {
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$callable = \Amp\coroutine(function () {
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return new Success(42);
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});
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/** @var Promise $promise */
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$promise = $callable();
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$this->assertInstanceOf(Promise::class, $promise);
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$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
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$result = $value;
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});
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$this->assertNull($reason);
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$this->assertSame(42, $result);
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}
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public function testCoroutineFunctionWithReactPromise() {
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$callable = \Amp\coroutine(function () {
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return new FulfilledReactPromise(42);
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});
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/** @var Promise $promise */
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$promise = $callable();
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$this->assertInstanceOf(Promise::class, $promise);
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$promise->onResolve(function ($exception, $value) use (&$reason, &$result) {
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$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame(42, $result);
|
|
}
|
|
|
|
public function testCoroutineResolvedWithReturn() {
|
|
$value = 1;
|
|
|
|
$generator = function () use ($value) {
|
|
return $value;
|
|
yield; // Unreachable, but makes function a coroutine.
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame($value, $result);
|
|
}
|
|
|
|
/**
|
|
* @depends testCoroutineResolvedWithReturn
|
|
*/
|
|
public function testYieldFromGenerator() {
|
|
$value = 1;
|
|
|
|
$generator = function () use ($value) {
|
|
$generator = function () use ($value) {
|
|
return yield new Success($value);
|
|
};
|
|
|
|
return yield from $generator();
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame($value, $result);
|
|
}
|
|
|
|
/**
|
|
* @depends testCoroutineResolvedWithReturn
|
|
*/
|
|
public function testFastReturningGenerator()
|
|
{
|
|
$value = 1;
|
|
|
|
$generator = function () use ($value) {
|
|
if (true) {
|
|
return $value;
|
|
}
|
|
|
|
yield;
|
|
|
|
return -$value;
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame($value, $result);
|
|
}
|
|
|
|
public function testYieldingFulfilledReactPromise() {
|
|
$value = 1;
|
|
$promise = new ReactPromise(function ($resolve, $reject) use ($value) {
|
|
$resolve($value);
|
|
});
|
|
|
|
$generator = function () use ($promise) {
|
|
return yield $promise;
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame($value, $result);
|
|
}
|
|
|
|
public function testYieldingFulfilledReactPromiseAfterInteropPromise() {
|
|
$value = 1;
|
|
$promise = new ReactPromise(function ($resolve, $reject) use ($value) {
|
|
$resolve($value);
|
|
});
|
|
|
|
$generator = function () use ($promise) {
|
|
$value = yield new Success(-1);
|
|
return yield $promise;
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame($value, $result);
|
|
}
|
|
|
|
public function testYieldingRejectedReactPromise() {
|
|
$exception = new \Exception;
|
|
$promise = new ReactPromise(function ($resolve, $reject) use ($exception) {
|
|
$reject($exception);
|
|
});
|
|
|
|
$generator = function () use ($promise) {
|
|
return yield $promise;
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertSame($reason, $exception);
|
|
$this->assertNull($result);
|
|
}
|
|
|
|
public function testYieldingRejectedReactPromiseAfterInteropPromise() {
|
|
$exception = new \Exception;
|
|
$promise = new ReactPromise(function ($resolve, $reject) use ($exception) {
|
|
$reject($exception);
|
|
});
|
|
|
|
$generator = function () use ($promise) {
|
|
$value = yield new Success(-1);
|
|
return yield $promise;
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertSame($reason, $exception);
|
|
$this->assertNull($result);
|
|
}
|
|
|
|
public function testReturnFulfilledReactPromise() {
|
|
$value = 1;
|
|
$promise = new ReactPromise(function ($resolve, $reject) use ($value) {
|
|
$resolve($value);
|
|
});
|
|
|
|
$generator = function () use ($promise) {
|
|
return $promise;
|
|
yield; // Unreachable, but makes function a generator.
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertNull($reason);
|
|
$this->assertSame($value, $result);
|
|
}
|
|
|
|
public function testReturningRejectedReactPromise() {
|
|
$exception = new \Exception;
|
|
$promise = new ReactPromise(function ($resolve, $reject) use ($exception) {
|
|
$reject($exception);
|
|
});
|
|
|
|
$generator = function () use ($promise) {
|
|
return $promise;
|
|
yield; // Unreachable, but makes function a generator.
|
|
};
|
|
|
|
$coroutine = new Coroutine($generator());
|
|
|
|
$coroutine->onResolve(function ($exception, $value) use (&$reason, &$result) {
|
|
$reason = $exception;
|
|
$result = $value;
|
|
});
|
|
|
|
$this->assertSame($reason, $exception);
|
|
$this->assertNull($result);
|
|
}
|
|
}
|