Version10

Here we add our first Value Object, Dimensions. Again, using PHPSpec as
the crutch to aid the design.

spec/Jenko/House/DimensionsSpec.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace spec\Jenko\House;
+
+use Jenko\House\Dimensions;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+
+class DimensionsSpec extends ObjectBehavior
+{
+    function let()
+    {
+        $this->beConstructedThrough('fromWidthAndHeight', [300, 300]);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Jenko\House\Dimensions');
+    }
+
+    function it_should_be_created_with_a_width_and_height()
+    {
+        $garden = self::fromWidthAndHeight(300, 300);
+        $garden->shouldHaveType('Jenko\House\Dimensions');
+        $garden->getWidth()->shouldEqual(300);
+        $garden->getHeight()->shouldEqual(300);
+    }
+
+    function it_should_compare_width_and_height_for_equality()
+    {
+        $newDimensions = Dimensions::fromWidthAndHeight(600, 600);
+        $this->equals($newDimensions)->shouldEqual(false);
+
+        $newerDimensions = Dimensions::fromWidthAndHeight(300, 300);
+        $this->equals($newerDimensions)->shouldEqual(true);
+    }
+}

spec/Jenko/House/GardenSpec.php

@@ -2,6 +2,7 @@
 
 namespace spec\Jenko\House;
 
+use Jenko\House\Dimensions;
 use PhpSpec\ObjectBehavior;
 use Prophecy\Argument;
 
@@ -28,4 +29,12 @@ function it_should_give_information()
     {
         $this->getInformation()->shouldBeArray();
     }
+
+    function it_should_be_able_to_set_dimensions()
+    {
+        $dimensions = Dimensions::fromWidthAndHeight(350, 300);
+        $this->setDimensions($dimensions);
+
+        $this->getDimensions()->shouldEqual($dimensions);
+    }
 }

spec/Jenko/House/RoomSpec.php

@@ -2,6 +2,7 @@
 
 namespace spec\Jenko\House;
 
+use Jenko\House\Dimensions;
 use PhpSpec\ObjectBehavior;
 use Prophecy\Argument;
 
@@ -28,4 +29,12 @@ function it_should_give_an_array_of_information()
     {
         $this->getInformation()->shouldBeArray();
     }
+
+    function it_should_be_able_to_set_dimensions()
+    {
+        $dimensions = Dimensions::fromWidthAndHeight(350, 300);
+        $this->setDimensions($dimensions);
+
+        $this->getDimensions()->shouldEqual($dimensions);
+    }
 }

src/Jenko/House/Dimensions.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Jenko\House;
+
+/**
+ * Value Object
+ */
+final class Dimensions
+{
+    /**
+     * @var int
+     */
+    private $width;
+
+    /**
+     * @var int
+     */
+    private $height;
+
+    /**
+     * @param int $width
+     * @param int $height
+     */
+    private function __construct($width, $height)
+    {
+        $this->width = $width;
+        $this->height = $height;
+    }
+
+    /**
+     * @param int $width
+     * @param int $height
+     * @return Dimensions
+     */
+    public static function fromWidthAndHeight($width, $height)
+    {
+        return new Dimensions($width, $height);
+    }
+
+    /**
+     * @param Dimensions $dimensions
+     * @return bool
+     */
+    public function equals(Dimensions $dimensions)
+    {
+        if ($dimensions->getWidth() === $this->getWidth() && $dimensions->getHeight() === $this->getHeight()) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * @return int
+     */
+    public function getWidth()
+    {
+        return $this->width;
+    }
+
+    /**
+     * @return int
+     */
+    public function getHeight()
+    {
+        return $this->height;
+    }
+}

src/Jenko/House/Garden.php

@@ -12,4 +12,4 @@ public static function named($name)
     {
         return new Garden($name);
     }
-}
+}

src/Jenko/House/Location.php

@@ -9,6 +9,11 @@ abstract class Location
      */
     private $name;
 
+    /**
+     * @var Dimensions
+     */
+    private $dimensions;
+
     /**
      * @param string $name
      */
@@ -25,8 +30,27 @@ public function getName()
         return $this->name;
     }
 
+    /**
+     * @return array
+     */
     public function getInformation()
     {
         return ['dimensions' => '', 'exits' => ''];
     }
+
+    /**
+     * @param Dimensions $dimensions
+     */
+    public function setDimensions(Dimensions $dimensions)
+    {
+        $this->dimensions = $dimensions;
+    }
+
+    /**
+     * @return Dimensions
+     */
+    public function getDimensions()
+    {
+        return $this->dimensions;
+    }
 }

tests/contexts/HomeOwnerContext.php

@@ -3,6 +3,7 @@
 use Behat\Behat\Context\Context;
 use Behat\Behat\Context\SnippetAcceptingContext;
 use Behat\Gherkin\Node\TableNode;
+use Jenko\House\Dimensions;
 use Jenko\House\Garden;
 use Jenko\House\House;
 use Jenko\House\Room;
@@ -101,7 +102,7 @@ public function thereAreTheFollowingLocationsInTheHouse(TableNode $table)
             $locations[] = $location;
         }
 
-        $this->house = House::buildHouse($locations);
+        $this->house = House::build($locations);
     }
 
     /**