Added Coverage Check and badge

Added Coverage Checks and badge, initially discussed in #55

.travis.yml

@@ -7,8 +7,13 @@ php:
   - nightly
   - hhvm
 
-install:
-  - composer self-update
-  - composer install --prefer-source
 
-script: phpunit
+before_script:
+  - composer self-update
+  - composer install --dev --prefer-source
+  - mkdir -p build/logs
+
+script: phpunit --coverage-clover build/logs/clover.xml
+
+after_script:
+  - php vendor/bin/coveralls -v

README.md

@@ -3,7 +3,9 @@
 [![Latest Stable Version](https://poser.pugx.org/box/spout/v/stable)](https://packagist.org/packages/box/spout)
 [![Project Status](http://opensource.box.com/badges/active.svg)](http://opensource.box.com/badges)
 [![Build Status](https://travis-ci.org/box/spout.png?branch=master)](http://travis-ci.org/box/spout)
-[![Total Downloads](https://poser.pugx.org/box/spout/downloads)](https://packagist.org/packages/box/spout) [![License](https://poser.pugx.org/box/spout/license)](https://packagist.org/packages/box/spout)
+[![Coverage Status](https://coveralls.io/repos/box/spout/badge.svg)](https://coveralls.io/r/box/spout)
+[![Total Downloads](https://poser.pugx.org/box/spout/downloads)](https://packagist.org/packages/box/spout)
+[![License](https://poser.pugx.org/box/spout/license)](https://packagist.org/packages/box/spout)
 
 Spout is a PHP library to read and write CSV and XLSX files, in a fast and scalable way.
 Contrary to other file readers or writers, it is capable of processing very large files while keeping the memory usage really low (less than 10MB).

composer.json

@@ -18,7 +18,8 @@
         "ext-simplexml": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": ">=3.7"
+        "phpunit/phpunit": "^4.7",
+        "satooshi/php-coveralls": "^0.6.1"
     },
     "autoload": {
         "psr-4": {

phpunit.xml

@@ -13,15 +13,13 @@
             <directory>tests/</directory>
         </testsuite>
     </testsuites>
-
-    <logging>
-        <log type="coverage-html" target="tests/coverage/"/>
-    </logging>
-
     <filter>
         <whitelist>
             <directory suffix=".php">src/</directory>
         </whitelist>
+        <blacklist>
+            <directory suffix=".php">vendor/</directory>
+        </blacklist>
     </filter>
 
 </phpunit>