Added PHP tests

.gitignore

@@ -13,3 +13,6 @@ languages/*
 !languages/README.md
 
 .idea
+
+# Composer
+/vendor/

.travis.yml

@@ -1,7 +1,32 @@
-sudo: false
-language: node_js
+sudo: required
+
+language: php
+php:
+  - 7.1
+
+env:
+  - WP_VERSION=latest WP_MULTISITE=0 RUN_PHPCS=1 WP_CORE_DIR=/tmp/wordpress NODE_RELEASE=8.x
+
+before_script:
+  - phpenv config-rm xdebug.ini
+  - export PATH="$HOME/.composer/vendor/bin:$PATH"
+  - bash bin/install-wp-tests.sh wc_admin_test root '' localhost $WP_VERSION
+  - bash bin/travis.sh before
+  - sudo rm -rf ~/.nvm
+  - curl -sL "https://deb.nodesource.com/setup_${NODE_RELEASE}" | sudo -E bash -
+  - sudo apt-get install -y nodejs
+  - node --version
+  - npm --version
+
+
+install:
+  - npm install
+
 node_js:
   - "8"
+
 script:
   - npm run lint
   - npm test
+  - bash bin/phpunit.sh
+  - bash bin/phpcs.sh

bin/install-wp-tests.sh

@@ -147,6 +147,46 @@ install_db() {
 	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
 }
 
+install_deps() {
+
+	# Script Variables
+	WP_SITE_URL="http://local.wordpress.test"
+	BRANCH=$TRAVIS_BRANCH
+	REPO=$TRAVIS_REPO_SLUG
+	WORKING_DIR="$PWD"
+
+	if [ "$TRAVIS_PULL_REQUEST_BRANCH" != "" ]; then
+		BRANCH=$TRAVIS_PULL_REQUEST_BRANCH
+		REPO=$TRAVIS_PULL_REQUEST_SLUG
+	fi
+
+	# Set up WordPress using wp-cli
+	mkdir -p "$WP_CORE_DIR"
+	cd "$WP_CORE_DIR"
+
+	curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
+	php wp-cli.phar core config --dbname=$DB_NAME --dbuser=$DB_USER --dbpass=$DB_PASS --dbhost=$DB_HOST --dbprefix=wptests_
+	php wp-cli.phar core install --url="$WP_SITE_URL" --title="Example" --admin_user=admin --admin_password=password --admin_email=info@example.com --path=$WP_CORE_DIR --skip-email
+
+	# Install Gutenberg
+	php wp-cli.phar plugin install gutenberg --activate
+
+	# Install WooCommerce
+	cd "wp-content/plugins/"
+	# As zip file does not include tests, we have to get it from git repo.
+	git clone https://github.com/woocommerce/woocommerce.git
+	cd "$WP_CORE_DIR"
+	php wp-cli.phar plugin activate woocommerce
+
+	# Install wc-admin, the correct branch
+	php wp-cli.phar plugin install https://github.com/$REPO/archive/$BRANCH.zip --activate
+
+	# Back to original dir
+	cd "$WORKING_DIR"
+
+}
+
 install_wp
 install_test_suite
 install_db
+install_deps

bin/phpcs.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+if [[ ${RUN_PHPCS} == 1 ]]; then
+	CHANGED_FILES=`git diff --name-only --diff-filter=ACMR $TRAVIS_COMMIT_RANGE | grep \\\\.php | awk '{print}' ORS=' '`
+
+	if [ "$CHANGED_FILES" != "" ]; then
+		echo "Running Code Sniffer."
+		./vendor/bin/phpcs --encoding=utf-8 -n -p $CHANGED_FILES
+	fi
+fi

bin/phpunit.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+WORKING_DIR="$PWD"
+cd "/tmp/wordpress/wp-content/plugins/wc-admin/"
+phpunit -c phpunit.xml.dist
+cd "$WORKING_DIR"

bin/travis.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# usage: travis.sh before|after
+
+if [ $1 == 'before' ]; then
+
+	composer global require "phpunit/phpunit=6.*"
+
+	if [[ ${RUN_PHPCS} == 1 ]]; then
+		composer install
+	fi
+
+fi

composer.json

@@ -0,0 +1,38 @@
+{
+  "name": "woocommerce/wc-admin",
+  "description": "A modern, javascript-driven WooCommerce Admin experience.",
+  "homepage": "https://github.com/woocommerce/wc-admin",
+  "type": "wordpress-plugin",
+  "license": "GPL-3.0-or-later",
+  "prefer-stable": true,
+  "minimum-stability": "dev",
+  "require": {
+    "composer/installers": "~1.2"
+  },
+  "require-dev": {
+    "squizlabs/php_codesniffer": "*",
+    "wp-coding-standards/wpcs": "^0.14",
+    "phpunit/phpunit": "6.*",
+    "woocommerce/woocommerce-sniffs": "*",
+    "wimg/php-compatibility": "^8.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3"
+  },
+  "scripts": {
+    "test": [
+      "phpunit"
+    ],
+    "phpcs": [
+      "phpcs -s -p"
+    ],
+    "phpcbf": [
+      "phpcbf -p"
+    ]
+  },
+  "extra": {
+    "scripts-description": {
+      "test": "Run unit tests",
+      "phpcs": "Analyze code against the WordPress coding standards with PHP_CodeSniffer",
+      "phpcbf": "Fix coding standards warnings/errors automatically with PHP Code Beautifier"
+    }
+  }
+}