Update tests to avoid legacy reactphp/promise-timer dependency

Author: clue

composer.json

@@ -13,16 +13,15 @@
     "require": {
         "php": ">=7.1",
         "nikic/fast-route": "^1.3",
-        "react/async": "^4.3 || ^3",
+        "react/async": "^4.3 || ^3.1",
         "react/http": "^1.11",
         "react/promise": "^3.2",
         "react/socket": "^1.15"
     },
     "require-dev": {
         "phpstan/phpstan": "1.12.11 || 1.4.10",
         "phpunit/phpunit": "^9.6 || ^7.5",
-        "psr/container": "^2 || ^1",
-        "react/promise-timer": "^1.11"
+        "psr/container": "^2 || ^1"
     },
     "autoload": {
         "psr-4": {

tests/integration/composer.json

@@ -1,7 +1,6 @@
 {
     "require": {
-        "clue/framework-x": "*@dev",
-        "react/promise-timer": "^1.10"
+        "clue/framework-x": "*@dev"
     },
     "repositories": [
         {

tests/integration/public/index.php

@@ -1,13 +1,31 @@
 <?php
 
 use Psr\Http\Message\ServerRequestInterface;
+use React\EventLoop\Loop;
+use React\Promise\Promise;
+use React\Promise\PromiseInterface;
 use React\Stream\ThroughStream;
 
 // example uses `@include` for test suite only, real-world examples should use `require` instead
 if(!@include __DIR__ . '/../vendor/autoload.php') {
     require __DIR__ . '/../../../vendor/autoload.php';
 }
 
+/**
+ * basic "async sleep" to test deferred responses
+ *
+ * @return PromiseInterface<void>
+ * @link https://github.com/reactphp/async#delay
+ * @link https://github.com/reactphp/promise-timer#sleep
+ */
+function asleep(float $s): PromiseInterface
+{
+    /** @var PromiseInterface<void> */
+    return new Promise(function (callable $resolve) use ($s): void { // @phpstan-ignore-line for legacy PHP 7.1
+        Loop::addTimer($s, function () use ($resolve): void { $resolve(null); });
+    });
+}
+
 $app = new FrameworkX\App();
 
 $app->get('/', function () {
@@ -31,15 +49,15 @@
 });
 
 $app->get('/sleep/fiber', function () {
-    React\Async\await(React\Promise\Timer\sleep(0.1));
+    React\Async\delay(0.1); // React\Async\await(asleep(0.1));
     return React\Http\Message\Response::plaintext("OK\n");
 });
 $app->get('/sleep/coroutine', function () {
-    yield React\Promise\Timer\sleep(0.1);
+    yield asleep(0.1);
     return React\Http\Message\Response::plaintext("OK\n");
 });
 $app->get('/sleep/promise', function () {
-    return React\Promise\Timer\sleep(0.1)->then(function () {
+    return asleep(0.1)->then(function () {
         return React\Http\Message\Response::plaintext("OK\n");
     });
 });