Add gitlab CI file

.gitlab-ci.yml

@@ -0,0 +1,21 @@
+before_script:
+- bash test/docker_install.sh > /dev/null
+- cp test/misc/redis.conf /usr/local/etc/redis/redis.conf
+
+# Test PHP 7.0
+test:7.0:
+  image: php:7.0
+  script:
+  - phpunit --configuration phpunit.xml.dist
+
+# Test PHP 7.2
+test:7.1:
+  image: php:7.1
+  script:
+  - phpunit --configuration phpunit.xml.dist
+
+# Test PHP 7.2
+test:7.2:
+  image: php:7.2
+  script:
+  - phpunit --configuration phpunit.xml.dist

test/docker_install.sh

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+#!/bin/bash
+
+# We need to install dependencies only for Docker
+[[ ! -e /.dockerenv ]] && exit 0
+
+set -xe
+
+# Install git (the php image doesn't have it) which is required by composer
+apt-get update -yqq
+apt-get install git -yqq
+
+# Install phpunit, the tool that we will use for testing
+curl --location --output /usr/local/bin/phpunit https://phar.phpunit.de/phpunit.phar
+chmod +x /usr/local/bin/phpunit
+
+# Install mysql driver
+# Here you can install any other extension that you need
+docker-php-ext-install redis