[CI] Moved to Github Actions (#125)

.github/workflows/ci.yaml

@@ -0,0 +1,69 @@
+name: CI
+
+on:
+    push:
+        branches:
+            - main
+            - '[0-9]+.[0-9]+'
+    pull_request: ~
+
+jobs:
+    cs-fix:
+        name: Run code style check
+        runs-on: "ubuntu-20.04"
+        strategy:
+            matrix:
+                php:
+                    - '7.3'
+        steps:
+            - uses: actions/checkout@v2
+
+            - name: Setup PHP Action
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php }}
+                  coverage: none
+                  extensions: 'pdo_sqlite, gd'
+                  tools: cs2pr
+
+            - uses: "ramsey/composer-install@v1"
+              with:
+                  dependency-versions: "highest"
+
+            - name: Run code style check
+              run: composer run-script check-cs -- --format=checkstyle | cs2pr
+
+    tests:
+        name: Unit tests
+        runs-on: "ubuntu-20.04"
+        timeout-minutes: 15
+
+        strategy:
+            fail-fast: false
+            matrix:
+                php:
+                    - '7.1'
+                    - '7.2'
+                    - '7.3'
+
+        steps:
+            - uses: actions/checkout@v2
+
+            - name: Setup PHP Action
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php }}
+                  coverage: none
+                  extensions: pdo_sqlite, gd
+                  tools: cs2pr
+
+            - uses: "ramsey/composer-install@v1"
+              with:
+                  dependency-versions: "highest"
+                  composer-options: "${{ matrix.composer_options }}"
+
+            - name: Setup problem matchers for PHPUnit
+              run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
+
+            - name: Run unit test suite
+              run: composer test

composer.json

@@ -45,6 +45,8 @@
         }
     },
     "scripts": {
-        "fix-cs": "@php ./vendor/bin/php-cs-fixer fix -v --show-progress=estimating"
+        "fix-cs": "php-cs-fixer fix -v --show-progress=estimating",
+        "check-cs": "@fix-cs --dry-run",
+        "test": "phpspec run --format=pretty"
     }
 }