Add basic PHPUnit testing setup

.github/workflows/phpunit.yml

@@ -0,0 +1,39 @@
+name: PHPUnit Tests
+
+on:
+  push:
+    branches: [ trunk ]
+  pull_request:
+    branches: [ trunk ]
+
+jobs:
+  test:
+    name: PHP ${{ matrix.php }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        include:
+          # Minimum supported PHP
+          - php: '7.4'
+          # Latest stable PHP
+          - php: '8.4'
+      fail-fast: false
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+          tools: composer:v2
+
+      - name: Install dependencies
+        run: |
+          composer install --no-progress --prefer-dist --no-interaction
+
+      - name: Run PHPUnit
+        run: composer test:php

.gitignore

@@ -1,7 +1,4 @@
-# Standard gitignore file
-
 # Node.js
-node_modules/
 npm-debug.log
 yarn-error.log
 
@@ -12,6 +9,11 @@ logs/
 
 # Dependency directories
 jspm_packages/
+/vendor/
+/node_modules/
+
+# WorDBless
+/wordpress/
 
 # Optional npm cache directory
 .npm
@@ -42,4 +44,6 @@ jspm_packages/
 assets/build/**/*.css
 assets/build/**/*.map
 assets/build/**/*.js
-/vendor/
+
+# PHPUnit result cache
+.phpunit.result.cache

.phpcs.xml.dist

@@ -1,48 +1,55 @@
 <?xml version="1.0"?>
-<ruleset>
-	<!-- Check all PHP files in directory tree by default. -->
-	<arg name="extensions" value="php"/>
+<ruleset name="Secure Custom Fields">
 	<file>.</file>
 
 	<!-- Exclude package files -->
-	<exclude-pattern>/vendor/*</exclude-pattern>
-	<exclude-pattern>/node_modules/*</exclude-pattern>
+	<exclude-pattern>/vendor/</exclude-pattern>
+	<exclude-pattern>/node_modules/</exclude-pattern>
 	<exclude-pattern>/lang/*</exclude-pattern>
 
-	<!-- Confirm PHP compat. -->
-	<config name="testVersion" value="7.4-"/>
-	<rule ref="PHPCompatibilityWP" />
-
-	<!-- Display sniff code -->
-	<arg value="s"/>
+	<!-- How to scan -->
+	<arg value="sp"/> <!-- Show sniff and progress -->
+	<arg name="colors"/>
+	<arg name="extensions" value="php"/>
 
+	<!-- Rules: WordPress Coding Standards -->
+	<config name="minimum_supported_wp_version" value="6.0"/>
 	<rule ref="WordPress">
 		<exclude name="WordPress.NamingConventions.ValidHookName.UseUnderscores" /> <!-- 'acf/hookname' is used throughout. -->
 		<exclude name="Squiz.Commenting.InlineComment.InvalidEndChar" /> <!-- This is trivial and not really useful today. -->
 		<exclude name="WordPress.Files.FileName.InvalidClassFileName" /> <!-- Refactoring of this scale is not in scope yet.-->
 	</rule>
+
 	<rule ref="WordPress.Security.EscapeOutput">
 		<properties>
-		   	<property name="customEscapingFunctions" type="array">
-			   	<element value="acf_esc_attrs" /> <!-- This function takes an associated array and escapes both the attr title and attr value. -->
+			<property name="customEscapingFunctions" type="array">
+				<element value="acf_esc_attrs" /> <!-- This function takes an associated array and escapes both the attr title and attr value. -->
 				<element value="acf_esc_html" />
-		   	</property>
+			</property>
 		</properties>
 	</rule>
+
 	<rule ref="WordPress.Security.ValidatedSanitizedInput">
 		<properties>
 			<property name="customSanitizingFunctions" type="array">
 				<element value="acf_sanitize_request_args" />
 			</property>
 		</properties>
 	</rule>
+
 	<rule ref="WordPress.Security.NonceVerification">
 		<properties>
 			<property name="customNonceVerificationFunctions" type="array">
 				<element value="acf_verify_ajax" />
 			</property>
 		</properties>
 	</rule>
+
+	<!-- Rules: PHPCompatibility -->
+	<config name="testVersion" value="7.4-"/>
+	<rule ref="PHPCompatibilityWP"/>
+
+	<!-- Rules: Text Domain -->
 	<rule ref="WordPress.WP.I18n">
 		<properties>
 			<property name="text_domain" type="array">

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "wordpress/secure-custom-fields",
     "description": "Secure Custom Fields",
-    "type": "project",
+    "type": "wordpress-plugin",
     "license": "GPL-2.0-or-later",
     "authors": [
         {
@@ -10,15 +10,28 @@
     ],
     "config": {
         "allow-plugins": {
-            "dealerdirect/phpcodesniffer-composer-installer": true
+            "dealerdirect/phpcodesniffer-composer-installer": true,
+            "roots/wordpress-core-installer": true
+        },
+        "platform": {
+            "php": "7.4"
         }
     },
+    "require": {
+        "php": ">=7.4"
+    },
     "require-dev": {
+        "yoast/phpunit-polyfills": "^1.1.0",
+        "phpunit/phpunit": "^9.6",
         "wp-coding-standards/wpcs": "^3.0",
         "phpcompatibility/phpcompatibility-wp": "^2.1",
         "sirbrillig/phpcs-changed": "^2.11",
         "nikic/php-parser": "^4.0",
-        "symfony/finder": "^5.0|^6.0"
+        "symfony/finder": "^5.0|^6.0",
+        "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
+        "phpcompatibility/phpcompatibility-wp": "^2.1.3",
+        "sirbrillig/phpcs-changed": "^2.11",
+        "automattic/wordbless": "^0.5.0"
     },
     "scripts": {
         "docs:manifest": "php docs/bin/generate-manifest.php",
@@ -32,6 +45,14 @@
             "@docs:fix",
             "@docs:lint",
             "@docs:manifest"
-        ]
+        ],
+        "test": "@test:php",
+        "test:php": "phpunit",
+        "lint": "@lint:php",
+        "lint:php": "phpcs",
+        "format": "@format:php",
+        "format:php": "phpcbf",
+        "post-install-cmd": "WorDBless\\Composer\\InstallDropin::copy",
+        "post-update-cmd": "WorDBless\\Composer\\InstallDropin::copy"
     }
 }