Test enhancement

.travis.yml

@@ -4,9 +4,9 @@ php:
   - 5.4
   - 5.5
   - 5.6
+  - 7.0
 
-script: phpunit
+script: php vendor/bin/phpunit
 
 before_script:
-  - composer self-update
-  - composer install --prefer-source
+  - composer install -n --prefer-source

composer.json

@@ -23,7 +23,7 @@
         "guzzle/guzzle": ">=3.7.0,<=3.9.9",
         "guzzlehttp/guzzle": "~4",
         "mockery/mockery": "0.9.2",
-        "phpunit/phpunit": "4.*",
+        "phpunit/phpunit": "^4.8",
         "slim/slim": "2.*"
     },
     "autoload": {

tests/QueryAuth/Credentials/CredentialsTest.php

@@ -2,7 +2,9 @@
 
 namespace QueryAuth\Credentials;
 
-class CredentialsTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+
+class CredentialsTest extends TestCase
 {
     public function testCredentials()
     {

tests/QueryAuth/Exception/QueryAuthExceptionTest.php

@@ -2,7 +2,9 @@
 
 namespace QueryAuth\Exception;
 
-class QueryAuthExceptionTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+
+class QueryAuthExceptionTest extends TestCase
 {
     public function testDriftExceededException()
     {

tests/QueryAuth/FactoryTest.php

@@ -4,8 +4,9 @@
 
 use QueryAuth\Factory;
 use RandomLib\Factory as RandomFactory;
+use PHPUnit\Framework\TestCase;
 
-class FactoryTest extends \PHPUnit_Framework_TestCase
+class FactoryTest extends TestCase
 {
     private $factory;
 

tests/QueryAuth/KeyGeneratorTest.php

@@ -2,7 +2,9 @@
 
 namespace QueryAuth;
 
-class KeyGeneratorTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+
+class KeyGeneratorTest extends TestCase
 {
     /**
      * @var KeyGenerator

tests/QueryAuth/Request/Adapter/Incoming/SlimRequestAdapterTest.php

@@ -2,7 +2,9 @@
 
 namespace QueryAuth\Request\Adapter\Incoming;
 
-class SlimRequestAdapterTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+
+class SlimRequestAdapterTest extends TestCase
 {
     protected $adapter;
     protected $adaptee;

tests/QueryAuth/Request/Adapter/Outgoing/GuzzleHttpRequestAdapterTest.php

@@ -2,7 +2,9 @@
 
 namespace QueryAuth\Request\Adapter\Outgoing;
 
-class GuzzleHttpRequestAdapterTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+
+class GuzzleHttpRequestAdapterTest extends TestCase
 {
     protected $adapter;
     protected $adaptee;

tests/QueryAuth/Request/Adapter/Outgoing/GuzzleRequestAdapterTest.php

@@ -3,8 +3,9 @@
 namespace QueryAuth\Request\Adapter\Outgoing;
 
 use Guzzle\Http\Message\RequestInterface as GuzzleRequestInterface;
+use PHPUnit\Framework\TestCase;
 
-class GuzzleRequestAdapterTest extends \PHPUnit_Framework_TestCase
+class GuzzleRequestAdapterTest extends TestCase
 {
     protected $adapter;
     protected $adaptee;

tests/QueryAuth/Request/RequestSignerTest.php

@@ -7,8 +7,9 @@
 use QueryAuth\KeyGenerator;
 use QueryAuth\Signature;
 use RandomLib\Factory as RandomFactory;
+use PHPUnit\Framework\TestCase;
 
-class RequestSignerTest extends \PHPUnit_Framework_TestCase
+class RequestSignerTest extends TestCase
 {
     protected function setUp()
     {

tests/QueryAuth/Request/RequestValidatorTest.php

@@ -4,8 +4,9 @@
 
 use QueryAuth\Credentials\Credentials;
 use QueryAuth\Signature;
+use PHPUnit\Framework\TestCase;
 
-class RequestValidatorTest extends \PHPUnit_Framework_TestCase
+class RequestValidatorTest extends TestCase
 {
     /**
      * @var RequestValidator

tests/QueryAuth/SignatureTest.php

@@ -2,7 +2,9 @@
 
 namespace QueryAuth;
 
-class SignatureTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+
+class SignatureTest extends TestCase
 {
     /**
      * @var Signature