Update libraries, coding standards, tests and Travis config.

.gitignore

@@ -12,8 +12,5 @@
 # Node.js
 /node_modules/
 
-# WordPress content
-/wp-content/
-
 # WordPress
 /wordpress/

.travis.yml

@@ -4,31 +4,44 @@ sudo: false
 
 language: php
 
-php:
-- 5.4
-- 5.5
-- 5.6
-- 7.0
-- 7.1
-- 7.2
-- nightly
-- hhvm
+env:
+  global:
+    - COMPOSER_NO_INTERACTION=1
+    - WP_VERSION=*
 
-matrix:
+jobs:
   include:
+    - php: 7.2
+      env: WP_VERSION=5.0 COVERAGE=1 PHPCS=1
+    - php: 7.2
+      env: WP_VERSION=4.9
+    - php: 7.2
+      env: WP_VERSION=4.8
+    - php: 7.2
+      env: WP_VERSION=4.7
+    - php: 7.2
+      env: WP_MULTISITE=1
+    - php: 7.2
+      env: PHPSTAN=1
+    - php: 7.2
+      env: PHPMD=1
+    - php: 7.2
+      env: PSALM=1
+    - php: 7.1
+    - php: 7.0
+    - php: 5.6
+    - php: 5.5
+    - php: 5.4
     - php: 5.3
       dist: precise
       env: TRAVIS_DIST_PRECISE=1
-    - php: 5.6
-      env: WP_MULTISITE=1
-    - php: 5.6
-      env: WP_VERSION=4.8
-    - php: 5.6
-      env: WP_VERSION=4.7 COVERAGE=1 GRUNT=1
-  fast_finish: true
+    - php: nightly
+    - php: hhvm
   allow_failures:
     - php: hhvm
     - php: nightly
+    - env: PHPMD=1
+    - env: PSALM=1
 
 cache:
   directories:
@@ -41,6 +54,23 @@ before_install:
   - if [ "${TRAVIS_DIST_PRECISE}" == "1" ]; then nvm install node; fi
   # Create database for PHPUnit tests.
   - mysql -e 'CREATE DATABASE wp_phpunit_tests;'
+  # Remove Xdebug for a huge performance increase:
+  - |
+    if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
+      phpenv config-rm xdebug.ini
+    else
+      echo "xdebug.ini does not exist"
+    fi
+  # Raise PHP memory limit to 2048MB
+  - echo 'memory_limit = 2048M' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+  # Validate composer.json file.
+  - composer validate --strict
+  # Add Composer global vendor/bin to path.
+  - export PATH="$HOME/.composer/vendor/bin:$PATH"
+  # PHPStan
+  - if [ "$PHPSTAN" == "1" ]; then composer global require phpstan/phpstan; fi
+  # Psalm
+  - if [ "$PSALM" == "1" ]; then composer global require vimeo/psalm; fi
 
 install:
   # Install Grunt command line interface (https://github.com/gruntjs/grunt-cli).
@@ -52,14 +82,24 @@ install:
   # Install Composer packages.
   - composer install
   # Test on specific WordPress version.
-  - if [ "$WP_VERSION" ]; then composer require wp-phpunit/wp-phpunit:$WP_VERSION --dev; fi
-  - if [ "$WP_VERSION" ]; then composer require roots/wordpress:$WP_VERSION --dev --update-with-dependencies; fi
+  - composer require --dev --update-with-dependencies roots/wordpress:${WP_VERSION} wp-phpunit/wp-phpunit:${WP_VERSION}
+  # List available packages.
+  - composer show
 
 script:
-  - if [[ -z "$GRUNT" ]]; then grunt phpunit; fi
-  - if [[ -z "$GRUNT" ]]; then grunt phplint; fi
-  - if [[ "$GRUNT" == "1" ]]; then grunt; fi
+  # PHPLint
+  - composer run-script phplint
+  # PHPUnit
+  - composer run-script phpunit
+  # PHP_CodeSniffer
+  - if [ "$PHPCS" == "1" ]; then composer run-script phpcs; fi
+  # PHP Mess Detector
+  - if [ "$PHPMD" == "1" ]; then composer run-script phpmd; fi
+  # PHPStan
+  - if [ "$PHPSTAN" == "1" ]; then phpstan analyze; fi
+  # Psalm
+  - if [ "$PSALM" == "1" ]; then psalm; fi
 
 after_success:
-  - if [ $COVERAGE == "1" ]; then php vendor/bin/coveralls -v; fi
-  - if [ $COVERAGE == "1" ]; then bash <(curl -s https://codecov.io/bash); fi
+  - if [ "$COVERAGE" == "1" ]; then composer run-script coveralls; fi
+  - if [ "$COVERAGE" == "1" ]; then bash <(curl -s https://codecov.io/bash); fi

composer.json

@@ -36,19 +36,26 @@
 	"require": {
 		"php": "^5.3",
 		"icepay/icepay": "~2.4.0",
-		"wp-pay/core": "^2.0",
-		"wp-pay-gateways/common": "^2.0"
+		"wp-pay/core": "^2.1"
 	},
 	"require-dev": {
-		"dealerdirect/phpcodesniffer-composer-installer": "^0.5.0",
-		"php-coveralls/php-coveralls": "^1.0",
-		"phpcompatibility/php-compatibility": "^9.0",
+		"dealerdirect/phpcodesniffer-composer-installer": "^0.5",
+		"php-coveralls/php-coveralls": "^1.1",
+		"phpcompatibility/php-compatibility": "^9.1",
 		"phpcompatibility/phpcompatibility-wp": "^2.0",
-		"phpmd/phpmd": "^2.2.3",
+		"phpmd/phpmd": "^2.4",
 		"phpunit/phpunit": "^4.8",
 		"roots/wordpress": "^5.0",
-		"squizlabs/php_codesniffer": "^2.7",
+		"squizlabs/php_codesniffer": "^2.9",
 		"wp-coding-standards/wpcs": "^1.2",
 		"wp-phpunit/wp-phpunit": "^5.0"
+	},
+	"scripts": {
+		"coveralls": "vendor/bin/coveralls -v",
+		"phpcbf": "vendor/bin/phpcbf",
+		"phpcs": "vendor/bin/phpcs -s -v",
+		"phplint": "ls src/**/*.php tests/**/*.php | xargs -n 1 -P 4 php -l",
+		"phpmd": "vendor/bin/phpmd src,tests text phpmd.ruleset.xml --suffixes php",
+		"phpunit": "vendor/bin/phpunit"
 	}
 }

phpcs.xml.dist

@@ -12,9 +12,11 @@
 	<arg value="sp" />
 
 	<exclude-pattern>node_modules/*</exclude-pattern>
+	<exclude-pattern>tests/bootstrap.php</exclude-pattern>
 	<exclude-pattern>tests/wp-config.php</exclude-pattern>
 	<exclude-pattern>vendor/*</exclude-pattern>
 	<exclude-pattern>wordpress/*</exclude-pattern>
+	<exclude-pattern type="relative">^/wp-content/*</exclude-pattern>
 
 	<rule ref="PHPCompatibilityWP" />
 

phpunit.xml.dist

@@ -16,7 +16,7 @@
 
     <filter>
         <whitelist>
-            <directory>src</directory>
+            <directory suffix=".php">src</directory>
         </whitelist>
     </filter>
 

tests/bootstrap.php

@@ -8,9 +8,6 @@
  * @package   Pronamic\WordPress\Pay\Gateways\Icepay
  */
 
-/**
- * Autoload.
- */
 require_once __DIR__ . '/../vendor/autoload.php';
 
 require_once getenv( 'WP_PHPUNIT__DIR' ) . '/includes/functions.php';
@@ -26,7 +23,5 @@ function _manually_load_plugin() {
 
 tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
 
-/**
- * Bootstrap.
- */
+// Bootstrap.
 require getenv( 'WP_PHPUNIT__DIR' ) . '/includes/bootstrap.php';