Use GitHub actions for continuous integration (CI)

Bye bye Travis CI, you've served us well.

Author: clue

.gitattributes

@@ -1,6 +1,6 @@
 /.gitattributes export-ignore
+/.github/ export-ignore
 /.gitignore export-ignore
-/.travis.yml export-ignore
 /examples export-ignore
 /phpunit.xml.dist export-ignore
 /phpunit.xml.legacy export-ignore

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  PHPUnit:
+    name: PHPUnit (PHP ${{ matrix.php }} on ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-20.04
+          - windows-2019
+        php:
+          - 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: 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 }}
+      - run: php examples/13-benchmark-throughput.php
+
+  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) require phpunit/phpunit:^5 --dev # requires legacy phpunit
+      - run: hhvm vendor/bin/phpunit
+      - run: hhvm examples/13-benchmark-throughput.php

.travis.yml

@@ -1,6 +1,6 @@
 # Child Process
 
-[![Build Status](https://travis-ci.org/reactphp/child-process.svg?branch=master)](https://travis-ci.org/reactphp/child-process)
+[![CI status](https://github.com/reactphp/child-process/workflows/CI/badge.svg)](https://github.com/reactphp/child-process/actions)
 
 Event-driven library for executing child processes with
 [ReactPHP](https://reactphp.org/).

README.md

@@ -430,10 +430,6 @@ public function testProcessWithEnv()
             $this->markTestSkipped('Process pipes not supported on Windows');
         }
 
-        if (getenv('TRAVIS')) {
-            $this->markTestSkipped('Cannot execute PHP processes with custom environments on Travis CI.');
-        }
-
         $cmd = $this->getPhpBinary() . ' -r ' . escapeshellarg('echo getenv("foo"), PHP_EOL;');
 
         $loop = $this->createLoop();