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2022-10-23 01:39:27 +02:00
parent 8c17aab483
commit 1929b84685
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<?php
namespace React\Tests\EventLoop;
abstract class AbstractLoopTest extends TestCase
{
/**
* @var \React\EventLoop\LoopInterface
*/
protected $loop;
private $tickTimeout;
public function setUp()
{
// HHVM is a bit slow, so give it more time
$this->tickTimeout = defined('HHVM_VERSION') ? 0.02 : 0.005;
$this->loop = $this->createLoop();
}
abstract public function createLoop();
public function createSocketPair()
{
$domain = (DIRECTORY_SEPARATOR === '\\') ? STREAM_PF_INET : STREAM_PF_UNIX;
$sockets = stream_socket_pair($domain, STREAM_SOCK_STREAM, STREAM_IPPROTO_IP);
foreach ($sockets as $socket) {
if (function_exists('stream_set_read_buffer')) {
stream_set_read_buffer($socket, 0);
}
}
return $sockets;
}
public function testAddReadStream()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableExactly(2));
fwrite($output, "foo\n");
$this->loop->tick();
fwrite($output, "bar\n");
$this->loop->tick();
}
public function testAddReadStreamIgnoresSecondCallable()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableExactly(2));
$this->loop->addReadStream($input, $this->expectCallableNever());
fwrite($output, "foo\n");
$this->loop->tick();
fwrite($output, "bar\n");
$this->loop->tick();
}
public function testAddWriteStream()
{
list ($input) = $this->createSocketPair();
$this->loop->addWriteStream($input, $this->expectCallableExactly(2));
$this->loop->tick();
$this->loop->tick();
}
public function testAddWriteStreamIgnoresSecondCallable()
{
list ($input) = $this->createSocketPair();
$this->loop->addWriteStream($input, $this->expectCallableExactly(2));
$this->loop->addWriteStream($input, $this->expectCallableNever());
$this->loop->tick();
$this->loop->tick();
}
public function testRemoveReadStreamInstantly()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableNever());
$this->loop->removeReadStream($input);
fwrite($output, "bar\n");
$this->loop->tick();
}
public function testRemoveReadStreamAfterReading()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableOnce());
fwrite($output, "foo\n");
$this->loop->tick();
$this->loop->removeReadStream($input);
fwrite($output, "bar\n");
$this->loop->tick();
}
public function testRemoveWriteStreamInstantly()
{
list ($input) = $this->createSocketPair();
$this->loop->addWriteStream($input, $this->expectCallableNever());
$this->loop->removeWriteStream($input);
$this->loop->tick();
}
public function testRemoveWriteStreamAfterWriting()
{
list ($input) = $this->createSocketPair();
$this->loop->addWriteStream($input, $this->expectCallableOnce());
$this->loop->tick();
$this->loop->removeWriteStream($input);
$this->loop->tick();
}
public function testRemoveStreamInstantly()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableNever());
$this->loop->addWriteStream($input, $this->expectCallableNever());
$this->loop->removeStream($input);
fwrite($output, "bar\n");
$this->loop->tick();
}
public function testRemoveStreamForReadOnly()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableNever());
$this->loop->addWriteStream($output, $this->expectCallableOnce());
$this->loop->removeReadStream($input);
fwrite($output, "foo\n");
$this->loop->tick();
}
public function testRemoveStreamForWriteOnly()
{
list ($input, $output) = $this->createSocketPair();
fwrite($output, "foo\n");
$this->loop->addReadStream($input, $this->expectCallableOnce());
$this->loop->addWriteStream($output, $this->expectCallableNever());
$this->loop->removeWriteStream($output);
$this->loop->tick();
}
public function testRemoveStream()
{
list ($input, $output) = $this->createSocketPair();
$this->loop->addReadStream($input, $this->expectCallableOnce());
$this->loop->addWriteStream($input, $this->expectCallableOnce());
fwrite($output, "bar\n");
$this->loop->tick();
$this->loop->removeStream($input);
fwrite($output, "bar\n");
$this->loop->tick();
}
public function testRemoveInvalid()
{
list ($stream) = $this->createSocketPair();
// remove a valid stream from the event loop that was never added in the first place
$this->loop->removeReadStream($stream);
$this->loop->removeWriteStream($stream);
$this->loop->removeStream($stream);
}
/** @test */
public function emptyRunShouldSimplyReturn()
{
$this->assertRunFasterThan($this->tickTimeout);
}
/** @test */
public function runShouldReturnWhenNoMoreFds()
{
list ($input, $output) = $this->createSocketPair();
$loop = $this->loop;
$this->loop->addReadStream($input, function ($stream) use ($loop) {
$loop->removeStream($stream);
});
fwrite($output, "foo\n");
$this->assertRunFasterThan($this->tickTimeout * 2);
}
/** @test */
public function stopShouldStopRunningLoop()
{
list ($input, $output) = $this->createSocketPair();
$loop = $this->loop;
$this->loop->addReadStream($input, function ($stream) use ($loop) {
$loop->stop();
});
fwrite($output, "foo\n");
$this->assertRunFasterThan($this->tickTimeout * 2);
}
public function testStopShouldPreventRunFromBlocking()
{
$this->loop->addTimer(
1,
function () {
$this->fail('Timer was executed.');
}
);
$this->loop->nextTick(
function () {
$this->loop->stop();
}
);
$this->assertRunFasterThan($this->tickTimeout * 2);
}
public function testIgnoreRemovedCallback()
{
// two independent streams, both should be readable right away
list ($input1, $output1) = $this->createSocketPair();
list ($input2, $output2) = $this->createSocketPair();
$called = false;
$loop = $this->loop;
$loop->addReadStream($input1, function ($stream) use (& $called, $loop, $input2) {
// stream1 is readable, remove stream2 as well => this will invalidate its callback
$loop->removeReadStream($stream);
$loop->removeReadStream($input2);
$called = true;
});
// this callback would have to be called as well, but the first stream already removed us
$loop->addReadStream($input2, function () use (& $called) {
if ($called) {
$this->fail('Callback 2 must not be called after callback 1 was called');
}
});
fwrite($output1, "foo\n");
fwrite($output2, "foo\n");
$loop->run();
$this->assertTrue($called);
}
public function testNextTick()
{
$called = false;
$callback = function ($loop) use (&$called) {
$this->assertSame($this->loop, $loop);
$called = true;
};
$this->loop->nextTick($callback);
$this->assertFalse($called);
$this->loop->tick();
$this->assertTrue($called);
}
public function testNextTickFiresBeforeIO()
{
list ($stream) = $this->createSocketPair();
$this->loop->addWriteStream(
$stream,
function () {
echo 'stream' . PHP_EOL;
}
);
$this->loop->nextTick(
function () {
echo 'next-tick' . PHP_EOL;
}
);
$this->expectOutputString('next-tick' . PHP_EOL . 'stream' . PHP_EOL);
$this->loop->tick();
}
public function testRecursiveNextTick()
{
list ($stream) = $this->createSocketPair();
$this->loop->addWriteStream(
$stream,
function () {
echo 'stream' . PHP_EOL;
}
);
$this->loop->nextTick(
function () {
$this->loop->nextTick(
function () {
echo 'next-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('next-tick' . PHP_EOL . 'stream' . PHP_EOL);
$this->loop->tick();
}
public function testRunWaitsForNextTickEvents()
{
list ($stream) = $this->createSocketPair();
$this->loop->addWriteStream(
$stream,
function () use ($stream) {
$this->loop->removeStream($stream);
$this->loop->nextTick(
function () {
echo 'next-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('next-tick' . PHP_EOL);
$this->loop->run();
}
public function testNextTickEventGeneratedByFutureTick()
{
list ($stream) = $this->createSocketPair();
$this->loop->futureTick(
function () {
$this->loop->nextTick(
function () {
echo 'next-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('next-tick' . PHP_EOL);
$this->loop->run();
}
public function testNextTickEventGeneratedByTimer()
{
$this->loop->addTimer(
0.001,
function () {
$this->loop->nextTick(
function () {
echo 'next-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('next-tick' . PHP_EOL);
$this->loop->run();
}
public function testFutureTick()
{
$called = false;
$callback = function ($loop) use (&$called) {
$this->assertSame($this->loop, $loop);
$called = true;
};
$this->loop->futureTick($callback);
$this->assertFalse($called);
$this->loop->tick();
$this->assertTrue($called);
}
public function testFutureTickFiresBeforeIO()
{
list ($stream) = $this->createSocketPair();
$this->loop->addWriteStream(
$stream,
function () {
echo 'stream' . PHP_EOL;
}
);
$this->loop->futureTick(
function () {
echo 'future-tick' . PHP_EOL;
}
);
$this->expectOutputString('future-tick' . PHP_EOL . 'stream' . PHP_EOL);
$this->loop->tick();
}
public function testRecursiveFutureTick()
{
list ($stream) = $this->createSocketPair();
$this->loop->addWriteStream(
$stream,
function () use ($stream) {
echo 'stream' . PHP_EOL;
$this->loop->removeWriteStream($stream);
}
);
$this->loop->futureTick(
function () {
echo 'future-tick-1' . PHP_EOL;
$this->loop->futureTick(
function () {
echo 'future-tick-2' . PHP_EOL;
}
);
}
);
$this->expectOutputString('future-tick-1' . PHP_EOL . 'stream' . PHP_EOL . 'future-tick-2' . PHP_EOL);
$this->loop->run();
}
public function testRunWaitsForFutureTickEvents()
{
list ($stream) = $this->createSocketPair();
$this->loop->addWriteStream(
$stream,
function () use ($stream) {
$this->loop->removeStream($stream);
$this->loop->futureTick(
function () {
echo 'future-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('future-tick' . PHP_EOL);
$this->loop->run();
}
public function testFutureTickEventGeneratedByNextTick()
{
list ($stream) = $this->createSocketPair();
$this->loop->nextTick(
function () {
$this->loop->futureTick(
function () {
echo 'future-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('future-tick' . PHP_EOL);
$this->loop->run();
}
public function testFutureTickEventGeneratedByTimer()
{
$this->loop->addTimer(
0.001,
function () {
$this->loop->futureTick(
function () {
echo 'future-tick' . PHP_EOL;
}
);
}
);
$this->expectOutputString('future-tick' . PHP_EOL);
$this->loop->run();
}
private function assertRunFasterThan($maxInterval)
{
$start = microtime(true);
$this->loop->run();
$end = microtime(true);
$interval = $end - $start;
$this->assertLessThan($maxInterval, $interval);
}
}