Add complex CI

.editorconfig

@@ -7,6 +7,9 @@ insert_final_newline = true
 indent_style = tab
 indent_size = 4
 trim_trailing_whitespace = true
+block_comment_start = /*
+block_comment = *
+block_comment_end = */
 
 [*.md]
 trim_trailing_whitespace = false

.github/workflows/integrate.yml

@@ -0,0 +1,144 @@
+name: "Integrate"
+
+on:
+  push:
+    branches:
+      - "develop"
+      - "trunk"
+  pull_request: null
+
+jobs:
+  byte_level:
+    name: "0️⃣ Byte-level"
+    runs-on: "ubuntu-20.04"
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Check file permissions"
+        run: |
+          test "$(find . -type f -not -path './.git/*' -executable)" == ""
+
+      - name: "Find non-printable ASCII characters"
+        run: |
+          ! LC_ALL=C.UTF-8 find . -type f -name "*.php" -print0 | xargs -0 -- grep -PHn "[^\t -~]"
+
+  syntax_errors:
+    name: "1️⃣ Syntax errors"
+    runs-on: "ubuntu-20.04"
+    steps:
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "7.2"
+
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
+        with:
+          dependency-versions: "highest"
+
+      - name: "Check source code for syntax errors"
+        run: "composer exec -- parallel-lint src/"
+
+  unit_tests:
+    name: "2️⃣ Unit and functional tests"
+    needs:
+      - "byte_level"
+      - "syntax_errors"
+    runs-on: "ubuntu-20.04"
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - "7.2"
+          - "7.4"
+          - "8.0"
+          - "8.1"
+        dependencies:
+          - "highest"
+          - "lowest"
+    steps:
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php-version }}"
+
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
+        with:
+          dependency-versions: "${{ matrix.dependencies }}"
+
+      - name: "Execute unit tests"
+        run: "composer run test:phpunit"
+        # @TODO Functional tests
+
+#      - name: "Tests have failed: display logs"
+#        if: "${{ failure() }}"
+#        run: "cat storage/logs/*.log"
+
+#      - name: Send coverage to Coveralls
+#        if: "matrix.php-version == '8.1' && matrix.dependencies == 'highest'"
+#        env:
+#          COVERALLS_REPO_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+#        run: |
+#          wget "https://github.com/php-coveralls/php-coveralls/releases/download/v2.5.2/php-coveralls.phar"
+#          php ./php-coveralls.phar -v
+
+  static_analysis:
+    name: "3️⃣ Static Analysis"
+    needs:
+      - "byte_level"
+      - "syntax_errors"
+    runs-on: "ubuntu-20.04"
+    steps:
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.0"
+
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Validate Composer configuration"
+        run: "composer validate --strict"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
+        with:
+          dependency-versions: "highest"
+
+      - name: "Execute static analysis"
+        run: "composer run test:phpstan"
+        # @TODO Magic Number Detector, Copy-Paste Detector
+
+  coding_standards:
+    name: "4️⃣ Coding Standards"
+    needs:
+      - "byte_level"
+      - "syntax_errors"
+    runs-on: "ubuntu-20.04"
+    steps:
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.0"
+
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Check adherence to EditorConfig"
+        uses: "greut/eclint-action@v0"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
+        with:
+          dependency-versions: "highest"
+
+      - name: "Check coding style"
+        run: "composer run test:phpcs"

composer.json

@@ -22,6 +22,7 @@
 		"ergebnis/composer-normalize": "^2.0",
 		"ergebnis/phpstan-rules": "^1.0",
 		"humanmade/coding-standards": "^1.1",
+		"php-parallel-lint/php-parallel-lint": "^1.3",
 		"phpcompatibility/php-compatibility": "^9.3",
 		"phpstan/phpstan": "^1.8",
 		"phpstan/phpstan-phpunit": "^1.1",