Add coverage reporting

.travis.yml

@@ -7,4 +7,7 @@ install:
  - composer install
 
 script:
- - vendor/bin/phpunit --bootstrap vendor/autoload.php tests
+ - vendor/bin/phpunit --coverage-clover=coverage.xml --whitelist src --bootstrap vendor/autoload.php tests
+
+after_success:
+ - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -42,6 +42,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.5"
+        "phpunit/phpunit": "^5.5",
+        "phpunit/php-code-coverage": "^4.0"
     }
 }