migrating TravisCI tests to GitHub actions

.github/workflows/php.yml

@@ -1,23 +0,0 @@
-name: PHP Composer
-
-on: [push]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-
-    - name: Validate composer.json and composer.lock
-      run: composer validate
-
-    - name: Install dependencies
-      run: composer install --prefer-dist --no-progress --no-suggest
-
-    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
-    # Docs: https://getcomposer.org/doc/articles/scripts.md
-
-    # - name: Run test suite
-    #   run: composer run-script test

.github/workflows/tests.yml

@@ -0,0 +1,44 @@
+name: Tests
+on: [push]
+
+jobs:
+  Composer:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress --no-suggest
+  PHPunit:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest, windows-latest, macos-latest]
+        php-versions: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4']
+    name: PHP ${{ matrix.php-versions }} unit tests on ${{ matrix.operating-system }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-versions }}
+        extensions: gd, sqlite3
+        tools: phpunit
+  Mocha:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Node
+      uses: actions/setup-node@v1
+      with:
+        node-version: '12'
+    - name: Setup Mocha
+      run: npm install -g mocha
+    - name: Setup Node modules
+      run: cd js && npm install
+    - name: Run unit tests
+      run: mocha