Introduce new event for exercise runners to ease dealing with input and exercise

Author: AydinHassan

src/Event/ExerciseRunnerEvent.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace PhpSchool\PhpWorkshop\Event;
+
+use PhpSchool\PhpWorkshop\Exercise\ExerciseInterface;
+use PhpSchool\PhpWorkshop\Input\Input;
+
+/**
+ * @author Aydin Hassan <aydin@hotmail.co.uk>
+ */
+class ExerciseRunnerEvent extends Event
+{
+
+    /**
+     * @var ExerciseInterface
+     */
+    private $exercise;
+
+    /**
+     * @var Input
+     */
+    private $input;
+
+    /**
+     * @param string $name
+     * @param ExerciseInterface $exercise
+     * @param Input $input
+     * @param array $parameters
+     */
+    public function __construct($name, ExerciseInterface $exercise, Input $input, array $parameters = [])
+    {
+        $parameters['input'] = $input;
+        $parameters['exercise'] = $exercise;
+        parent::__construct($name, $parameters);
+
+        $this->exercise = $exercise;
+        $this->input = $input;
+    }
+
+    /**
+     * @return Input
+     */
+    public function getInput()
+    {
+        return $this->input;
+    }
+
+    /**
+     * @return ExerciseInterface
+     */
+    public function getExercise()
+    {
+        return $this->exercise;
+    }
+}

test/Event/ExerciseRunnerEventTest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace PhpSchool\PhpWorkshopTest\Event;
+
+use PhpSchool\PhpWorkshop\Event\ExerciseRunnerEvent;
+use PhpSchool\PhpWorkshop\Input\Input;
+use PhpSchool\PhpWorkshopTest\Asset\CliExerciseImpl;
+use PHPUnit_Framework_TestCase;
+
+/**
+ * @author Aydin Hassan <aydin@hotmail.co.uk>
+ */
+class ExerciseRunnerEventTest extends PHPUnit_Framework_TestCase
+{
+    public function testGetters()
+    {
+        $exercise = new CliExerciseImpl;
+        $input = new Input('app');
+
+        $event = new ExerciseRunnerEvent('Some Event', $exercise, $input, ['number' => 1]);
+        self::assertSame($exercise, $event->getExercise());
+        self::assertSame($input, $event->getInput());
+        self::assertEquals(
+            [
+                'exercise' => $exercise,
+                'input' => $input,
+                'number' => 1
+            ],
+            $event->getParameters()
+        );
+    }
+}