Added mock registers for better testing

Author: calcinai

src/PHPi/Board.php

@@ -30,32 +30,32 @@ abstract class Board implements BoardInterface {
      *
      * Register for gpio functions
      */
-    private $gpio_register;
+    protected $gpio_register;
 
     /**
      * @var Register\PWM
      */
-    private $pwm_register;
+    protected $pwm_register;
 
     /**
      * @var Register\Clock
      */
-    private $clock_register;
+    protected $clock_register;
 
     /**
      * @var Register\SPI
      */
-    private $spi_register;
+    protected $spi_register;
 
     /**
      * @var Register\Auxiliary
      */
-    private $aux_register;
+    protected $aux_register;
 
     /**
      * @var EdgeDetector\EdgeDetectorInterface
      */
-    private $edge_detector;
+    protected $edge_detector;
 
     /**
      * @var Pin[]

src/PHPi/Board/Mock.php

@@ -8,9 +8,23 @@
 namespace Calcinai\PHPi\Board;
 
 use Calcinai\PHPi\Board;
+use React\EventLoop\LoopInterface;
+use Calcinai\PHPi\Peripheral\Register;
 
 class Mock extends Board {
 
+    public function __construct(LoopInterface $loop)
+    {
+        parent::__construct($loop);
+
+        $this->gpio_register = new Register\Mock($this);
+        $this->spi_register = new Register\Mock($this);
+        $this->pwm_register = new Register\Mock($this);
+        $this->aux_register = new Register\Mock($this);
+        $this->clock_register = new Register\Mock($this);
+
+    }
+
     public static function getPeripheralBaseAddress() {
         return 0;
     }

src/PHPi/Peripheral/Register/Mock.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * @package    api
+ * @author     Michael Calcinai <[email protected]>
+ */
+
+namespace Calcinai\PHPi\Peripheral\Register;
+use Calcinai\PHPi\Board\BoardInterface;
+
+/**
+ * Register to store and return data, so testing can be done on non-pi systems
+ *
+ * Class Mock
+ * @package Calcinai\PHPi\Peripheral\Register
+ */
+class Mock extends AbstractRegister
+{
+
+    private $data;
+
+    /**
+     * Overload the parent constructor so nothing is actually mapped
+     *
+     * AbstractRegister constructor.
+     * @param BoardInterface $board
+     */
+    /** @noinspection PhpMissingParentConstructorInspection */
+    public function __construct(BoardInterface $board)
+    {
+        $this->data = [];
+    }
+
+    /**
+     * @param mixed $offset
+     * @return bool
+     */
+
+    public function offsetExists($offset)
+    {
+        return isset($this->data[$offset]);
+    }
+
+    public function offsetGet($offset)
+    {
+        return isset($this->data[$offset]) ? $this->data[$offset] : 0;
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        $this->data[$offset] = $value;
+    }
+
+    public function offsetUnset($offset)
+    {
+
+    }
+
+    public static function getOffset()
+    {
+        return 0;
+    }
+}