add code climate config

.codeclimate.yml

@@ -0,0 +1,23 @@
+version: "2"
+plugins:
+  duplication:
+    enabled: true
+    config:
+      languages:
+      - php
+  fixme:
+    enabled: true
+  phpcodesniffer:
+    enabled: true
+    config:
+      standard: "PSR2"
+  phan:
+    enabled: true
+    config:
+      file_extensions: "php"
+      ignore-undeclared: true
+  sonar-php:
+    enabled: true
+exclude_patterns:
+- tests/
+- .phan/

.phan/config.php

@@ -0,0 +1,17 @@
+<?php
+
+$config = [
+    'target_php_version' => null,
+    'directory_list' => [
+        'src',
+    ],
+    'exclude_analysis_directory_list' => [],
+];
+
+// workaround for phan on codeclimate
+if (file_exists(dirname(__DIR__) . '/vendor/psr')) {
+    $config['directory_list'] [] = 'vendor/psr';
+    $config['exclude_analysis_directory_list'] [] = 'vendor/';
+}
+
+return $config;

.travis.yml

@@ -1,8 +1,18 @@
+env:
+  global:
+    - CC_TEST_REPORTER_ID=4796fc8abec9f60231051df2c2523b62c6f650137be5458aada65a7bbc79e6aa
 language: php
 php:
   - '7.0'
   - '7.1'
   - '7.2'
-
-before_script: composer install
-script: phpunit
+before_script:
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+  - if [ $(phpenv version-name) = "7.2" ]; then ./cc-test-reporter before-build; fi
+install:
+  - composer install
+script:
+  - phpunit --coverage-text --coverage-clover clover.xml
+after_script:
+    - if [ $(phpenv version-name) = "7.2" ] && [ "$TRAVIS_PULL_REQUEST" == "false" ]; then ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT; fi

Readme.md

@@ -1,5 +1,7 @@
 # PHP Middleware Stack
 [![Build Status](https://travis-ci.org/idealo/php-middleware-stack.svg?branch=master)](https://travis-ci.org/idealo/php-middleware-stack)
+[![Maintainability](https://api.codeclimate.com/v1/badges/254d91c39447f58c7d44/maintainability)](https://codeclimate.com/github/idealo/php-middleware-stack/maintainability)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/254d91c39447f58c7d44/test_coverage)](https://codeclimate.com/github/idealo/php-middleware-stack/test_coverage)
 
 This is an implementation of [PSR-15](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-15-request-handlers.md) using the proposed Interface packages [psr/http-server-middleware](https://github.com/php-fig/http-server-middleware) and [psr/http-server-handler](https://github.com/php-fig/http-server-handler) for PHP7+ runtime environment.
 

phpunit.xml

@@ -3,12 +3,12 @@
         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.5/phpunit.xsd"
         backupGlobals="true"
         backupStaticAttributes="false"
-        bootstrap="tests/bootstrap.php"
+        bootstrap="vendor/autoload.php"
         cacheTokens="false"
         colors="true"
         verbose="true">
     <testsuites>
-        <testsuite name="Middleware Stack Test Coverage">
+        <testsuite name="unit">
             <directory>tests</directory>
         </testsuite>
     </testsuites>