update .travis.yml and add tests

.travis.yml

@@ -0,0 +1,33 @@
+language: php
+
+php:
+  - 5.5
+  - 5.6
+  - 7.0
+  - hhvm
+
+matrix:
+  allow_failures:
+    - php: 5.5
+
+
+services:
+
+install:
+  - travis_retry composer install --no-interaction --prefer-source
+
+before_script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then composer require satooshi/php-coveralls:dev-master squizlabs/php_codesniffer:2.* -n ; fi
+  - if [[ "$TRAVIS_PHP_VERSION" != '5.6' ]]; then composer install -n ; fi
+
+
+script:
+  - if [ "$TRAVIS_PHP_VERSION" != "5.5.9" ] && [ "$TRAVIS_PHP_VERSION" != "5.5" ] && [ "$TRAVIS_PHP_VERSION" != "5.6" ]; then vendor/bin/phpunit; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "5.5.9" ] || [ "$TRAVIS_PHP_VERSION" == "5.5" ] || [ "$TRAVIS_PHP_VERSION" == "5.6" ]; then vendor/bin/phpunit --coverage-clover build/logs/clover.xml; fi
+
+after_script:
+  - if [ "$TRAVIS_PHP_VERSION" == "5.5.9" ] || [ "$TRAVIS_PHP_VERSION" == "5.5" ] || [ "$TRAVIS_PHP_VERSION" == "5.6" ]; then wget https://scrutinizer-ci.com/ocular.phar; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "5.5.9" ] || [ "$TRAVIS_PHP_VERSION" == "5.5" ] || [ "$TRAVIS_PHP_VERSION" == "5.6" ]; then php ocular.phar code-coverage:upload --format=php-clover build/logs/clover.xml; fi
+
+after_success:
+  - travis_retry php vendor/bin/coveralls

composer.json

@@ -23,11 +23,13 @@
     "firebase/php-jwt": "~3.0",
     "aws/aws-sdk-php": "3.*",
     "gregwar/captcha": "1.*",
-    "desarrolla2/cache":  "~2.0"
+    "desarrolla2/cache": "~2.0"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "~5.0"
   },
   "autoload": {
     "classmap": [
-
     ],
     "files": [
       "src/Pongtan/Support/helpers.php"

phpunit.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="true">
+    <testsuites>
+        <testsuite name="Pongtan Test Suite">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">app/</directory>
+        </whitelist>
+    </filter>
+    <php>
+        <env name="APP_ENV" value="testing"/> 
+    </php>
+</phpunit>

src/Pongtan/Services/Config.php

@@ -16,4 +16,9 @@ public static function get($key)
         }
         return $key;
     }
+
+    public static function set($key, $value)
+    {
+        putenv("$key=$value");
+    }
 }

tests/Services/ConfigTest.php

@@ -0,0 +1,15 @@
+<?php
+
+use Pongtan\Services\Config;
+
+class ConfigTest extends PHPUnit_Framework_TestCase
+{
+    public function testConfig()
+    {
+        $key = "test_key";
+        $value = "test_value";
+        Config::set($key,$value);
+        $this->assertEquals($value,Config::get($key));
+    }
+
+}