add tests for this pattern

Tests/TemplateMethod/JourneyTest.php

@@ -0,0 +1,49 @@
+<?php
+
+/*
+ * DesignPatternPHP
+ */
+
+namespace DesignPatterns\Tests\TemplateMethod;
+
+use DesignPatterns\TemplateMethod;
+
+/**
+ * JourneyTest tests all journeys
+ */
+class JourneyTest extends \PHPUnit_Framework_TestCase
+{
+
+    public function testBeach()
+    {
+        $journey = new TemplateMethod\BeachJourney();
+        $this->expectOutputRegex('#sun-bathing#');
+        $journey->takeATrip();
+    }
+
+    public function testCity()
+    {
+        $journey = new TemplateMethod\CityJouney();
+        $this->expectOutputRegex('#drink#');
+        $journey->takeATrip();
+    }
+
+    /**
+     * How to test an abstract template method with PHPUnit
+     */
+    public function testLasVegas()
+    {
+        $journey = $this->getMockForAbstractClass('DesignPatterns\TemplateMethod\Journey');
+        $journey->expects($this->once())
+                ->method('enjoyVacation')
+                ->will($this->returnCallback(array($this, 'mockUpVacation')));
+        $this->expectOutputRegex('#Las Vegas#');
+        $journey->takeATrip();
+    }
+
+    public function mockUpVacation()
+    {
+        echo "Fear and loathing in Las Vegas\n";
+    }
+
+}