Add travis config

.coveralls.yml

@@ -0,0 +1,2 @@
+coverage_clover: clover.xml
+json_path: coveralls-upload.json

.travis.yml

@@ -0,0 +1,60 @@
+sudo: false
+
+language: php
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+    - $HOME/.local
+    - vendor
+
+env:
+  global:
+    - COMPOSER_ARGS="--no-interaction"
+    - COVERAGE_DEPS="satooshi/php-coveralls"
+    - LEGACY_DEPS="phpunit/phpunit"
+
+matrix:
+  include:
+    - php: 7
+      env:
+        - DEPS=lowest
+    - php: 7
+      env:
+        - DEPS=locked
+        - CS_CHECK=true
+    - php: 7
+      env:
+        - DEPS=latest
+    - php: 7.1
+      env:
+        - DEPS=lowest
+    - php: 7.1
+      env:
+        - DEPS=locked
+    - php: 7.1
+      env:
+        - DEPS=latest
+
+before_install:
+  - if [[ $TEST_COVERAGE != 'true' ]]; then phpenv config-rm xdebug.ini || return 0 ; fi
+  - travis_retry composer self-update
+
+install:
+  - travis_retry composer install $COMPOSER_ARGS --ignore-platform-reqs
+  - if [[ $TRAVIS_PHP_VERSION =~ ^5.6 ]]; then travis_retry composer update $COMPOSER_ARGS --with-dependencies $LEGACY_DEPS ; fi
+  - if [[ $DEPS == 'latest' ]]; then travis_retry composer update $COMPOSER_ARGS ; fi
+  - if [[ $DEPS == 'lowest' ]]; then travis_retry composer update --prefer-lowest --prefer-stable $COMPOSER_ARGS ; fi
+  - if [[ $HELPERS_DEP != '' ]]; then travis_retry composer require $COMPOSER_ARGS --update-with-dependencies $HELPERS_DEP ; fi
+  - if [[ $TEST_COVERAGE == 'true' ]]; then travis_retry composer require --dev $COMPOSER_ARGS $COVERAGE_DEPS ; fi
+  - composer show
+
+script:
+  - if [[ $TEST_COVERAGE == 'true' ]]; then composer test-coverage ; else composer test ; fi
+  - if [[ $CS_CHECK == 'true' ]]; then composer cs-check ; fi
+
+after_script:
+  - if [[ $TEST_COVERAGE == 'true' ]]; then composer upload-coverage ; fi
+
+notifications:
+  email: false

README.md

@@ -2,6 +2,9 @@
 
 ## Elo
 
+[![Build Status](https://travis-ci.org/robopuff/rating.svg?branch=master)](https://travis-ci.org/robopuff/rating)
+[![Coverage Status](https://coveralls.io/repos/github/robopuff/rating/badge.svg?branch=master)](https://coveralls.io/github/robopuff/rating?branch=master)
+
 Based on Elo rating system, adapted to use over arrays
 
 ```php

composer.json

@@ -5,6 +5,10 @@
   "require": {
     "php": "^7.0"
   },
+  "require-dev": {
+    "phpunit/phpunit": "^6.0",
+    "squizlabs/php_codesniffer": "^3.0"
+  },
   "autoload": {
     "psr-4": {
       "Robopuff\\Rating\\": "src/"
@@ -14,5 +18,16 @@
     "psr-4": {
       "RatingTest\\": "test/"
     }
+  },
+  "scripts": {
+        "check": [
+            "@cs-check",
+            "@test"
+        ],
+        "upload-coverage": "coveralls -v",
+        "cs-check": "phpcs --colors",
+        "cs-fix": "phpcbf --colors",
+        "test": "phpunit --colors=always",
+        "test-coverage": "phpunit --coverage-clover clover.xml"
   }
-}
+}