mirror of
https://github.com/danog/amp.git
synced 2024-12-11 00:49:48 +01:00
949 lines
24 KiB
PHP
949 lines
24 KiB
PHP
<?php
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namespace Amp\Test;
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use Amp\Coroutine;
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use Amp\Delayed;
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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\PHPUnit\TestException;
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use Amp\Promise;
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use Amp\Success;
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use React\Promise\FulfilledPromise as FulfilledReactPromise;
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use React\Promise\Promise as ReactPromise;
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use function Amp\call;
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class CoroutineTest extends BaseTest
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{
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const TIMEOUT = 100;
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public function testYieldSuccessfulPromise()
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{
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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, $yielded);
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}
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public function testYieldFailedPromise()
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{
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$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, $reason);
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}
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/**
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* @depends testYieldSuccessfulPromise
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*/
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public function testYieldPendingPromise()
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{
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$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 Delayed(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, $yielded);
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}
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public function testYieldPromiseArray()
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{
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Loop::run(function () {
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$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, $yielded);
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});
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}
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public function testYieldNonPromiseArray()
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{
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$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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{
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Loop::run(function () {
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$value = 1;
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$generator = function () use (&$yielded, $value) {
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yield new Delayed(10);
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list($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, $yielded);
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});
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}
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public function testYieldNonPromiseArrayAfterPendingPromise()
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{
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$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, $value) {
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yield new Delayed(10);
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list($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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{
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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($fail);
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}
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public function testInvalidYield()
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{
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$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, $reason);
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}
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/**
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* @depends testInvalidYield
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*/
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public function testInvalidYieldAfterYieldPromise()
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{
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$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, $reason);
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}
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/**
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* @depends testInvalidYield
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*/
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public function testInvalidYieldCatchingThrownError()
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{
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$value = 42;
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$generator = function () use ($value) {
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try {
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yield 1;
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} catch (\Error $error) {
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// No further yields.
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}
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return $value;
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};
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$coroutine = new Coroutine($generator());
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$coroutine->onResolve(function ($exception, $value) use (&$result) {
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$result = $value;
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});
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$this->assertSame($result, $value);
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}
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/**
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* @depends testInvalidYieldCatchingThrownError
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*/
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public function testInvalidYieldCatchingThrownErrorAndYieldingAgain()
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{
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$value = 42;
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$generator = function () use ($value) {
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try {
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yield 1;
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} catch (\Error $error) {
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return yield new Success($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, $value) use (&$result) {
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$result = $value;
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});
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$this->assertSame($result, $value);
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}
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/**
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* @depends testInvalidYieldCatchingThrownError
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*/
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public function testInvalidYieldCatchingThrownErrorAndThrowing()
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{
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$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->assertSame($exception, $reason);
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}
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/**
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* @depends testInvalidYieldCatchingThrownError
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*/
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public function testInvalidYieldWithThrowingFinallyBlock()
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{
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$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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} finally {
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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->assertSame($exception, $reason);
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$this->assertInstanceOf(InvalidYieldError::class, $reason->getPrevious());
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}
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/**
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* @depends testYieldFailedPromise
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*/
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public function testCatchingFailedPromiseExceptionWithNoFurtherYields()
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{
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$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($result);
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}
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public function testGeneratorThrowingExceptionFailsCoroutine()
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{
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$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, $reason);
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}
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/**
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* @depends testGeneratorThrowingExceptionFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyFailsCoroutine()
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{
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$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($invoked);
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}
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/**
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* @depends testYieldFailedPromise
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorYieldingFailedPromiseWithFinallyFailsCoroutine()
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{
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$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($invoked);
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}
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/**
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* @depends testGeneratorThrowingExceptionFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionAfterPendingPromiseWithFinallyFailsCoroutine()
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{
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$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 Delayed(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, $yielded);
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}
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/**
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* @depends testYieldPendingPromise
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyYieldingPendingPromise()
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{
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$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 Delayed(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, $reason);
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}
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/**
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* @depends testYieldPendingPromise
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyBlockThrowing()
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{
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$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, $reason);
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}
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/**
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* @depends testGeneratorThrowingExceptionWithFinallyFailsCoroutine
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*/
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public function testGeneratorThrowingExceptionWithFinallyBlockAndReturnThrowing()
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{
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$exception = new \Exception;
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$generator = function () use ($exception) {
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yield new Success;
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return call(function () use ($exception) {
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return new class($exception) {
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private $exception;
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public function __construct(\Throwable $exception)
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{
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$this->exception = $exception;
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}
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public function __destruct()
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{
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throw $this->exception;
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}
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};
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});
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};
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try {
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new Coroutine($generator());
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} catch (\Throwable $e) {
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$this->fail("Caught exception that shouldn't be thrown at that place.");
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}
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$this->expectExceptionObject($exception);
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try {
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Promise\wait(new Delayed(0)); // make loop tick once to throw errors from loop
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} catch (\Error $e) {
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if ($e->getMessage() === "Loop exceptionally stopped without resolving the promise") {
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throw $e->getPrevious();
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}
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throw $e;
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}
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}
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/**
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* @depends testYieldSuccessfulPromise
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*/
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public function testYieldConsecutiveSucceeded()
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{
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$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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{
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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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{
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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($invoked);
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}
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public function testCoroutineFunction()
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{
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$callable = \Amp\coroutine(function () {
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yield;
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});
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$this->assertInstanceOf(Coroutine::class, $callable());
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}
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|
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithCallbackReturningPromise()
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{
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$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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|
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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 = $value;
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});
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|
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$this->assertNull($reason);
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$this->assertSame($value, $result);
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}
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithNonGeneratorCallback()
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{
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$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, $result);
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}
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/**
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* @depends testCoroutineFunction
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*/
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public function testCoroutineFunctionWithThrowingCallback()
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{
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$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($result);
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}
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|
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/**
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* @depends testCoroutineFunction
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|
*/
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public function testCoroutineFunctionWithSuccessReturnCallback()
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{
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$callable = \Amp\coroutine(function () {
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return new Success(42);
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});
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|
|
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/** @var Promise $promise */
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$promise = $callable();
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|
|
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$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, $result);
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}
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|
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public function testCoroutineFunctionWithReactPromise()
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{
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$callable = \Amp\coroutine(function () {
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return new FulfilledReactPromise(42);
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});
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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, $result);
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}
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public function testCoroutineResolvedWithReturn()
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{
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$value = 1;
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|
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$generator = function () use ($value) {
|
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return $value;
|
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yield; // Unreachable, but makes function a coroutine.
|
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};
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|
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$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 = $value;
|
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});
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|
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$this->assertNull($reason);
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$this->assertSame($value, $result);
|
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}
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|
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/**
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|
* @depends testCoroutineResolvedWithReturn
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|
*/
|
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public function testYieldFromGenerator()
|
|
{
|
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$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);
|
|
}
|
|
|
|
public function testAsyncCoroutineFunctionWithFailure()
|
|
{
|
|
$coroutine = \Amp\asyncCoroutine(function ($value) {
|
|
return new Failure(new TestException);
|
|
});
|
|
|
|
$coroutine(42);
|
|
|
|
$this->expectException(TestException::class);
|
|
|
|
Loop::run();
|
|
}
|
|
}
|