Version8

Adding a way of exiting a room. Notice it's very similar to entering a
room but it's important that the language is maintained. We can tidy up
the code re-use later, although I like <a
href="http://verraes.net/2014/08/dry-is-about-knowledge/"
target="_blank">Mathias' definition of DRY</a>.

spec/Jenko/House/GardenSpec.php

@@ -15,7 +15,6 @@ function let()
     function it_is_initializable()
     {
         $this->shouldHaveType('Jenko\House\Garden');
-        $this->shouldHaveType('Jenko\House\Location');
     }
 
     function it_should_be_created_with_a_name()
@@ -24,4 +23,9 @@ function it_should_be_created_with_a_name()
         $garden->shouldHaveType('Jenko\House\Garden');
         $garden->getName()->shouldEqual('front garden');
     }
+
+    function it_should_give_information()
+    {
+        $this->getInformation()->shouldBeArray();
+    }
 }

spec/Jenko/House/HouseSpec.php

@@ -55,4 +55,10 @@ function it_should_allow_entering_rooms()
         $this->enterRoom('living room');
         $this->whereAmI()->getName()->shouldBe('living room');
     }
+
+    function it_should_allow_exiting_rooms()
+    {
+        $this->enterRoom('hallway');
+        $this->exitRoom('garden');
+    }
 }

spec/Jenko/House/RoomSpec.php

@@ -15,7 +15,6 @@ function let()
     function it_is_initializable()
     {
         $this->shouldHaveType('Jenko\House\Room');
-        $this->shouldHaveType('Jenko\House\Location');
     }
 
     function it_should_be_created_with_a_name()
@@ -24,4 +23,9 @@ function it_should_be_created_with_a_name()
         $garden->shouldHaveType('Jenko\House\Room');
         $garden->getName()->shouldEqual('living room');
     }
+
+    function it_should_give_an_array_of_information()
+    {
+        $this->getInformation()->shouldBeArray();
+    }
 }

src/Jenko/House/House.php

@@ -69,4 +69,20 @@ public function enterRoom($room)
 
         $this->currentLocation = $room;
     }
+
+    /**
+     * @param Location|string $room
+     */
+    public function exitRoom($room)
+    {
+        if (!$room instanceof Location && is_string($room)) {
+            if (false !== strpos('garden', $room)) {
+                $room = Garden::named($room);
+            } else{
+                $room = Room::named($room);
+            }
+        }
+
+        $this->currentLocation = $room;
+    }
 }

src/Jenko/House/Location.php

@@ -24,4 +24,9 @@ public function getName()
     {
         return $this->name;
     }
-}
+
+    public function getInformation()
+    {
+        return ['dimensions' => '', 'exits' => ''];
+    }
+}