Update CI files

.coveralls.yml

@@ -0,0 +1,3 @@
+# for php-coveralls
+coverage_clover: clover.xml
+json_path: coveralls-upload.json

.travis.yml

@@ -5,10 +5,21 @@ php:
   - 7.0
   - 7.1
 
+cache:
+  directories:
+    - $HOME/.composer/cache
+
 before_script:
   - composer self-update
   - composer install --prefer-dist -n
 
 script:
-  - ./vendor/bin/phpunit tests/
+  - ./vendor/bin/phpunit tests/ --coverage-clover clover.xml
   - ./vendor/bin/phpcs --extensions=php --standard=PSR2 --ignore=*/_files/* src/ tests/
+#  - ./vendor/bin/phpmd ./src text ./phpmd.xml --suffixes php
+
+after_success:
+  - travis_retry php vendor/bin/coveralls -v -x clover.xml
+  - bash <(curl -s https://codecov.io/bash)
+  - wget https://scrutinizer-ci.com/ocular.phar
+  - php ocular.phar code-coverage:upload --format=php-clover clover.xml

composer.json

@@ -36,6 +36,7 @@
     "require-dev": {
         "phpunit/phpunit": "^5.7",
         "squizlabs/php_codesniffer": "~3.0",
+        "phpmd/phpmd" : "@stable",
         "zendframework/zend-servicemanager": "^3.1.1",
         "zendframework/zend-diactoros": "^1.4.0"
     },

phpmd.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<ruleset name="Custom Rule Set"
+         xmlns="http://pmd.sf.net/ruleset/1.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://pmd.sf.net/ruleset/1.0.0
+                     http://pmd.sf.net/ruleset_xml_schema.xsd"
+         xsi:noNamespaceSchemaLocation="
+                     http://pmd.sf.net/ruleset_xml_schema.xsd">
+    <description>
+        Custom Rule Set
+    </description>
+
+    <rule ref="rulesets/cleancode.xml" />
+    <rule ref="rulesets/controversial.xml" />
+    <rule ref="rulesets/unusedcode.xml" />
+    <rule ref="rulesets/codesize.xml" />
+    <rule ref="rulesets/design.xml" />
+    <rule ref="rulesets/naming.xml">
+        <exclude name="ShortVariable"/>
+    </rule>
+
+    <rule ref="rulesets/naming.xml/ShortVariable">
+        <properties>
+            <property name="exceptions" value="id" />
+        </properties>
+    </rule>
+</ruleset>

phpunit.xml

@@ -0,0 +1,10 @@
+<phpunit>
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">./src</directory>
+            <exclude>
+                <directory suffix=".php">Exception</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>