WIP: Execute unit tests using GitHub workflows

.github/workflows/coding-standards.yml

@@ -0,0 +1,29 @@
+name: Coding standards
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-node-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-node-
+
+    - name: Install dependencies
+      if: steps.composer-cache.outputs.cache-hit != 'true'
+      run: composer install --prefer-dist --no-progress --no-suggest
+
+    - name: Run coding standards checks
+      run: composer test:standards

.github/workflows/unit-tests.yml

@@ -0,0 +1,33 @@
+name: Unit tests
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: [7.0, 7.1, 7.2, 7.3, 7.4]
+      fail-fast: true
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-node-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-node-
+
+    - name: Install dependencies
+      if: steps.composer-cache.outputs.cache-hit != 'true'
+      run: composer install --prefer-dist --no-progress --no-suggest
+
+    - name: Run test suite
+      run: composer test:unit

.phpcs.xml.dist

@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<ruleset name="assertwell/phpunit-global-state">
+    <description>Coding standards for assertwell/phpunit-global-state.</description>
+
+    <arg value="sp" />
+    <arg name="basepath" value="./" />
+    <arg name="colors" />
+    <arg name="extensions" value="php" />
+    <arg name="parallel" value="8" />
+
+    <!-- Only scan PHP files that belong to the app. -->
+    <file>src</file>
+    <file>tests</file>
+
+    <!-- Use PSR-12 as a base. -->
+    <rule ref="PSR12" />
+
+    <!-- Test methods may use snake_case. -->
+    <rule ref="PSR1.Methods.CamelCapsMethodName.NotCamelCaps">
+        <exclude-pattern>tests</exclude-pattern>
+    </rule>
+</ruleset>

composer.json

@@ -1,6 +1,6 @@
 {
     "name": "assertwell/phpunit-global-state",
-    "description": "Tools for safely manipulating global state in tests",
+    "description": "Tools for testing applications that depend on global state with PHPUnit",
     "keywords": [
         "env",
         "environment variables",
@@ -24,7 +24,12 @@
         "php": ">=7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.3"
+        "phpunit/phpunit": "^8.3",
+        "squizlabs/php_codesniffer": "^3.5",
+        "stevegrunwell/runkit7-installer": "^1.1"
+    },
+    "suggest": {
+        "stevegrunwell/runkit7-installer": "Streamline installation of Runkit7"
     },
     "autoload": {
         "psr-4": {
@@ -42,11 +47,21 @@
         "optimize-autoloader": true
     },
     "scripts": {
-        "code-coverage": [
+        "test": [
+            "@test:unit"
+        ],
+        "test:coverage": [
             "phpdbg -qrr -d memory_limit=-1 ./vendor/bin/phpunit --colors=always --testdox --coverage-html=tests/coverage"
+        ],
+        "test:standards": [
+            "phpcs"
+        ],
+        "test:unit": [
+            "phpunit --testdox --colors=always"
         ]
     },
     "scripts-descriptions": {
-        "code-coverage": "Generate HTML code coverage reports in tests/coverage/."
+        "test:coverage": "Generate HTML code coverage reports in tests/coverage/.",
+        "test:unit": "Run unit tests for the library."
     }
 }