Travis CI with Coverage test

.travis.yml

@@ -1,21 +1,20 @@
 language: php
+php:
+  - nightly
+  - hhvm
+  - 7.0
+  - 5.6
 
 matrix:
   allow_failures:
     - php: nightly
-  fast_finish: true
-  include:
-    - php: 5.6
-      env: PHPUNIT_VERSION="5.7.*"
-    - php: 7.0
-      env: PHPUNIT_VERSION="5.7.*"
-    - php: hhvm
-      env: PHPUNIT_VERSION="5.7.*"
-    - php: nightly
-      env: PHPUNIT_VERSION="5.7.*"
 
-before_install:
-  - composer self-update
-  - composer require "phpunit/phpunit:${PHPUNIT_VERSION}" --no-update
+install:
+  - curl -s http://getcomposer.org/installer | php
+  - php composer.phar install --dev --no-interaction
+script:
+  - mkdir -p build/logs
+  - php vendor/bin/phpunit
 
-install: composer update --no-interaction --prefer-source
+after_success:
+  - travis_retry php vendor/bin/coveralls -v

phpunit.xml

@@ -7,4 +7,12 @@
             <directory>./tests/</directory>
         </testsuite>
     </testsuites>
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">./src/</directory>
+        </whitelist>
+    </filter>
+    <logging>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
+    </logging>
 </phpunit>