Merge pull request #4 from moufmouf/humbug

Adding humbug mutation tests

.gitignore

@@ -2,4 +2,5 @@ composer.lock
 composer.phar
 /vendor/
 /build/
-.discovery/
+.discovery/
+/humbuglog.txt

.travis.yml

@@ -8,7 +8,8 @@ before_script:
  - composer install --no-interaction
 
 script:
- - phpunit
+ - vendor/bin/phpunit
+ - vendor/bin/humbug
 
 after_script:
  - php vendor/bin/coveralls -v

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "thecodingmachine/service-provider-registry",
     "type": "library",
-    "description": "This package provides a service provider registry than can lazily instantiate the service providers it contains.",
+    "description": "This package provides a service provider registry that can lazily instantiate the service providers it contains.",
     "license": "MIT",
     "autoload": {
         "psr-4": {
@@ -21,7 +21,8 @@
         "phpunit/phpunit": "^4.5",
         "satooshi/php-coveralls": "^1.0",
         "mouf/picotainer": "^1.0",
-        "thecodingmachine/discovery": "^1.0"
+        "thecodingmachine/discovery": "^1.0",
+        "humbug/humbug": "~1.0@dev"
     },
     "suggest": {
         "thecodingmachine/discovery": "Discover service providers automatically."

humbug.json.dist

@@ -0,0 +1,11 @@
+{
+    "source": {
+        "directories": [
+            "src\/"
+        ]
+    },
+    "timeout": 10,
+    "logs": {
+        "text": "humbuglog.txt"
+    }
+}

tests/Fixtures/TestStatefulServiceProvider.php

@@ -8,7 +8,7 @@ class TestStatefulServiceProvider implements ServiceProvider
 {
     public $foo;
 
-    public function __construct($foo)
+    public function __construct($foo = null)
     {
         $this->foo = $foo;
     }

tests/ServiceProviderRegistryTest.php

@@ -28,6 +28,16 @@ public function testRegistryInjectInstance()
         $this->assertSame($registry[0], $registry[0]);
     }
 
+    public function testRegistryArrayWithNoParams()
+    {
+        $registry = new Registry([
+            [TestStatefulServiceProvider::class],
+        ]);
+
+        $this->assertInstanceOf(TestStatefulServiceProvider::class, $registry[0]);
+        $this->assertEquals(null, $registry[0]->foo);
+    }
+
     public function testRegistryArrayWithParams()
     {
         $registry = new Registry([
@@ -132,11 +142,14 @@ public function testIterator()
     {
         $registry = new Registry([
             TestServiceProvider::class,
+            TestServiceProvider::class,
         ]);
 
+        $i = 0;
         foreach ($registry as $key => $serviceProvider) {
-            $this->assertEquals(0, $key);
+            $this->assertEquals($i, $key);
             $this->assertInstanceOf(TestServiceProvider::class, $serviceProvider);
+            $i++;
         }
     }
 }