[TASK] Fix the hg tests.

autoload.php

@@ -39,3 +39,7 @@
 } else {
     throw new \Exception("Unable to find the an autoloader");
 }
+
+if (file_exists('test' . DIRECTORY_SEPARATOR . 'bootstrap.php')) {
+    require_once 'test' . DIRECTORY_SEPARATOR . 'bootstrap.php';
+}

test/Liip/RMT/Tests/Functional/GitTest.php

@@ -13,6 +13,16 @@
 
 class GitTest extends RMTFunctionalTestBase
 {
+    protected function setUp()
+    {
+        if (SKIP_GIT_TESTS) {
+            $this->markTestSkipped('GIT is not installed');
+        }
+
+        parent::setUp(); // TODO: Change the autogenerated stub
+    }
+
+
     public function testInitialVersion()
     {
         $this->initGit();

test/Liip/RMT/Tests/Functional/HgTest.php

@@ -13,6 +13,16 @@
 
 class HgTest extends RMTFunctionalTestBase
 {
+    protected function setUp()
+    {
+        if (SKIP_HG_TESTS) {
+            $this->markTestSkipped('HG is not installed');
+        }
+
+        parent::setUp();
+    }
+
+
     public static function cleanTags($tags)
     {
         return array_map(function ($t) {

test/Liip/RMT/Tests/Unit/VCS/GitTest.php

@@ -19,6 +19,10 @@ class GitTest extends \PHPUnit_Framework_TestCase
 
     protected function setUp()
     {
+        if (SKIP_GIT_TESTS) {
+            $this->markTestSkipped('GIT is not installed');
+        }
+
         // Create a temp folder and extract inside the git test folder
         $tempDir = tempnam(sys_get_temp_dir(), '');
         if (file_exists($tempDir)) {

test/Liip/RMT/Tests/Unit/VCS/HgTest.php

@@ -19,6 +19,10 @@ class HgTest extends \PHPUnit_Framework_TestCase
 
     protected function setUp()
     {
+        if (SKIP_HG_TESTS) {
+            $this->markTestSkipped('HG is not installed');
+        }
+
         // Create a temp folder and extract inside the Hg test folder
         $tempDir = tempnam(sys_get_temp_dir(), '');
         if (file_exists($tempDir)) {

test/bootstrap.php

@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of the project RMT
+ *
+ * Copyright (c) 2017, Liip AG, http://www.liip.ch
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+if (!defined('SKIP_HG_TESTS')) {
+    exec('which hg', $result);
+    define('SKIP_HG_TESTS', !isset($result[0]));
+}
+
+if (!defined('SKIP_GIT_TESTS')) {
+    exec('which git', $result);
+    define('SKIP_GIT_TESTS', !isset($result[0]));
+}