Set up mutation testing for unit tests

.gitignore

@@ -25,4 +25,5 @@ app/config/*.toml
 !app/config/*.toml.example
 phinx.yml
 .idea/
-Caddyfile
+Caddyfile
+build/humbuglog.txt

composer.json

@@ -28,6 +28,7 @@
 		"phploc/phploc": "^3.0",
 		"phpmd/phpmd": "^2.4",
 		"phpunit/phpunit": "^5.4",
-		"robmorgan/phinx": "^0.6.4"
+		"robmorgan/phinx": "^0.6.4",
+		"humbug/humbug": "~1.0@dev"
 	}
 }

humbug.json.dist

@@ -0,0 +1,12 @@
+{
+    "source": {
+        "directories": [
+            "src"
+        ]
+    },
+    "timeout": 10,
+    "logs": {
+        "text": "build\/humbuglog.txt",
+        "json": "build\/humbug.json"
+    }
+}

phpunit.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+        colors="true"
+        stopOnFailure="false"
+        bootstrap="tests/bootstrap.php"
+        beStrictAboutTestsThatDoNotTestAnything="true"
+>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src/Aviat/Ion</directory>
+            <directory suffix=".php">src/Aviat/AnimeClient</directory>
+        </whitelist>
+    </filter>
+    <testsuites>
+        <testsuite name="Ion">
+            <directory>tests/Ion</directory>
+        </testsuite>
+        <testsuite name="AnimeClient">
+            <directory>tests/AnimeClient</directory>
+        </testsuite>
+    </testsuites>
+    <php>
+        <server name="HTTP_USER_AGENT" value="Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Firefox/38.0" />
+        <server name="HTTP_HOST" value="localhost" />
+        <server name="SERVER_NAME" value="localhost" />
+        <server name="REQUEST_URI" value="/" />
+        <server name="REQUEST_METHOD" value="GET" />
+    </php>
+</phpunit>

tests/Ion/ConfigTest.php

@@ -23,7 +23,8 @@ class ConfigTest extends AnimeClient_TestCase {
 
 	public function testConfigSet()
 	{
-		$this->config->set('foo', 'foobar');
+		$ret = $this->config->set('foo', 'foobar');
+		$this->assertInstanceOf('Aviat\Ion\Config', $ret);
 		$this->assertEquals('foobar', $this->config->get('foo'));
 
 		$this->config->set(['apple', 'sauce', 'is'], 'great');
@@ -31,6 +32,7 @@ class ConfigTest extends AnimeClient_TestCase {
 		$this->assertEquals('great', $apple['sauce']['is'], "Config value not set correctly");
 		
 		$this->assertEquals('great', $this->config->get(['apple', 'sauce', 'is']), "Array argument get for config failed.");
+
 	}
 
 	public function testConfigBadSet()

tests/Ion/Di/ContainerTest.php

@@ -51,6 +51,15 @@ class ContainerTest extends AnimeClient_TestCase {
 		}
 	}
 
+	public function testGetSet()
+	{
+		$container = $this->container->set('foo', function() {});
+
+		$this->assertInstanceOf('Aviat\Ion\Di\Container', $container);
+		$this->assertInstanceOf('Aviat\Ion\Di\ContainerInterface', $container);
+		$this->assertTrue(is_callable($container->get('foo')));
+	}
+
 	public function testLoggerMethods()
 	{
 		// Does the container have the default logger?
@@ -63,8 +72,11 @@ class ContainerTest extends AnimeClient_TestCase {
 		$logger2->pushHandler(new TestHandler());
 
 		// Set the logger channels
-		$this->container->setLogger($logger1);
-		$this->container->setLogger($logger2, 'test');
+		$container = $this->container->setLogger($logger1);
+		$container2 = $this->container->setLogger($logger2, 'test');
+
+		$this->assertInstanceOf('Aviat\Ion\Di\ContainerInterface', $container);
+		$this->assertInstanceOf('Aviat\Ion\Di\Container', $container2);
 
 		$this->assertEquals($logger1, $this->container->getLogger('default'));
 		$this->assertEquals($logger2, $this->container->getLogger('test'));

tests/Ion/Type/ArrayTypeTest.php

@@ -79,6 +79,15 @@ class ArrayTypeTest extends AnimeClient_TestCase {
 		$this->assertEquals($expected, $actual);
 	}
 
+	public function testSet()
+	{
+		$obj = $this->arr([]);
+		$arraytype = $obj->set('foo', 'bar');
+
+		$this->assertInstanceOf('Aviat\Ion\Type\ArrayType', $arraytype);
+		$this->assertEquals('bar', $obj->get('foo'));
+	}
+
 	public function testGet()
 	{
 		$array = [1, 2, 3, 4, 5];