Update CI (#42)

* Update CI

* Add PHPStan

* Upgrade and fix tests

* Remove stub class

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+# These are supported funding model platforms
+github: [phpgt]

.github/workflows/ci.yml

@@ -0,0 +1,66 @@
+name: CI
+
+on: [push]
+
+jobs:
+  composer:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: /tmp/composer-cache
+          key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
+
+      - uses: php-actions/composer@v5
+
+      - name: Archive build
+        run: mkdir /tmp/github-actions/ && tar -cvf /tmp/github-actions/build.tar ./
+
+      - name: Upload build archive for test runners
+        uses: actions/upload-artifact@v2
+        with:
+          name: build-artifact
+          path: /tmp/github-actions
+
+  phpunit:
+    runs-on: ubuntu-latest
+    needs: [composer]
+
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: build-artifact
+          path: /tmp/github-actions
+
+      - name: Extract build archive
+        run: tar -xvf /tmp/github-actions/build.tar ./
+
+      - name: PHP Unit tests
+        uses: php-actions/phpunit@v2
+        with:
+          php_version: 8.0
+          php_extensions: xdebug
+          configuration: test/phpunit/phpunit.xml
+          bootstrap: vendor/autoload.php
+
+  phpstan:
+    runs-on: ubuntu-latest
+    needs: [composer]
+
+    steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: build-artifact
+          path: /tmp/github-actions
+
+      - name: Extract build archive
+        run: tar -xvf /tmp/github-actions/build.tar ./
+
+      - name: PHP Static Analysis
+        uses: php-actions/phpstan@v2
+        with:
+          path: src/

.scrutinizer.yml

@@ -1,14 +1,25 @@
 build:
   environment:
-    php:
-      version: 7.2.0
-  tests:
-    override:
-      -
-        command: 'vendor/bin/phpunit test/phpunit --coverage-clover coverage --whitelist src'
-        coverage:
-          file: 'coverage'
-          format: 'php-clover'
+    php: 8.0.0
+
+  nodes:
+    analysis:
+      tests:
+        override:
+          - php-scrutinizer-run
+
+    tests-and-coverage:
+      environment:
+        php:
+          ini:
+            "xdebug.mode": coverage
+      tests:
+        override:
+          - phpcs-run ./src
+          - command: "vendor/bin/phpunit test/phpunit --coverage-clover test/phpunit/_coverage --whitelist src"
+            coverage:
+              file: "test/phpunit/_coverage"
+              format: "php-clover"
 
 checks:
   php:

composer.json

@@ -5,13 +5,14 @@
 
 	"require": {
 		"php": ">=7.2",
-		"phpgt/cookie": "*",
-		"phpgt/input": "*",
+		"phpgt/cookie": "1.*",
+		"phpgt/input": "1.*",
 		"psr/http-message": "^1.0.1",
-		"willdurand/negotiation": "^2.3"
+		"willdurand/negotiation": "3.0.*"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "8.*"
+		"phpunit/phpunit": "9.*",
+		"phpstan/phpstan": ">=0.12.64"
 	},
 
 	"autoload": {