From 6e38c56a12982e247b08e244e8665d3d7f429e26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ste=CC=81phane=20Goetz?= <onigoetz@onigoetz.ch>
Date: Wed, 28 Oct 2015 00:01:41 +0100
Subject: [PATCH] First unit tests & TDD Refactoring

---
 composer.json                |   3 +
 composer.lock                | 953 ++++++++++++++++++++++++++++++++++-
 libs/Tree/Builder.php        |  27 +-
 libs/Tree/Directory.php      | 102 ++--
 phpunit.xml                  |  24 +
 tests/Tree/BuilderTest.php   |  37 ++
 tests/Tree/DirectoryTest.php |  48 ++
 7 files changed, 1128 insertions(+), 66 deletions(-)
 create mode 100644 phpunit.xml
 create mode 100644 tests/Tree/BuilderTest.php
 create mode 100644 tests/Tree/DirectoryTest.php

diff --git a/composer.json b/composer.json
index 2cb9183..fa5080d 100644
--- a/composer.json
+++ b/composer.json
@@ -25,5 +25,8 @@
             "Todaymade\\Daux\\Extension\\": "daux/",
             "Todaymade\\Daux\\": "libs/"
         }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "~4"
     }
 }
diff --git a/composer.lock b/composer.lock
index 6f5d5ee..9705a24 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "90ed477bfae85bfdc868d7685b04531d",
+    "hash": "bda8053f8f241e1cc8dcae13d174b603",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
@@ -488,7 +488,956 @@
             "time": "2015-09-22 21:06:47"
         }
     ],
-    "packages-dev": [],
+    "packages-dev": [
+        {
+            "name": "doctrine/instantiator",
+            "version": "1.0.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/instantiator.git",
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3,<8.0-DEV"
+            },
+            "require-dev": {
+                "athletic/athletic": "~0.1.8",
+                "ext-pdo": "*",
+                "ext-phar": "*",
+                "phpunit/phpunit": "~4.0",
+                "squizlabs/php_codesniffer": "~2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com",
+                    "homepage": "http://ocramius.github.com/"
+                }
+            ],
+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://github.com/doctrine/instantiator",
+            "keywords": [
+                "constructor",
+                "instantiate"
+            ],
+            "time": "2015-06-14 21:17:01"
+        },
+        {
+            "name": "phpdocumentor/reflection-docblock",
+            "version": "2.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "suggest": {
+                "dflydev/markdown": "~1.0",
+                "erusev/parsedown": "~1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "phpDocumentor": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mike van Riel",
+                    "email": "mike.vanriel@naenius.com"
+                }
+            ],
+            "time": "2015-02-03 12:10:50"
+        },
+        {
+            "name": "phpspec/prophecy",
+            "version": "v1.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/prophecy.git",
+                "reference": "4745ded9307786b730d7a60df5cb5a6c43cf95f7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/4745ded9307786b730d7a60df5cb5a6c43cf95f7",
+                "reference": "4745ded9307786b730d7a60df5cb5a6c43cf95f7",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "^1.0.2",
+                "phpdocumentor/reflection-docblock": "~2.0",
+                "sebastian/comparator": "~1.1"
+            },
+            "require-dev": {
+                "phpspec/phpspec": "~2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Prophecy\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Konstantin Kudryashov",
+                    "email": "ever.zet@gmail.com",
+                    "homepage": "http://everzet.com"
+                },
+                {
+                    "name": "Marcello Duarte",
+                    "email": "marcello.duarte@gmail.com"
+                }
+            ],
+            "description": "Highly opinionated mocking framework for PHP 5.3+",
+            "homepage": "https://github.com/phpspec/prophecy",
+            "keywords": [
+                "Double",
+                "Dummy",
+                "fake",
+                "mock",
+                "spy",
+                "stub"
+            ],
+            "time": "2015-08-13 10:07:40"
+        },
+        {
+            "name": "phpunit/php-code-coverage",
+            "version": "2.2.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
+                "reference": "eabf68b476ac7d0f73793aada060f1c1a9bf8979"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/eabf68b476ac7d0f73793aada060f1c1a9bf8979",
+                "reference": "eabf68b476ac7d0f73793aada060f1c1a9bf8979",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "phpunit/php-file-iterator": "~1.3",
+                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-token-stream": "~1.3",
+                "sebastian/environment": "^1.3.2",
+                "sebastian/version": "~1.0"
+            },
+            "require-dev": {
+                "ext-xdebug": ">=2.1.4",
+                "phpunit/phpunit": "~4"
+            },
+            "suggest": {
+                "ext-dom": "*",
+                "ext-xdebug": ">=2.2.1",
+                "ext-xmlwriter": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.2.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that provides collection, processing, and rendering functionality for PHP code coverage information.",
+            "homepage": "https://github.com/sebastianbergmann/php-code-coverage",
+            "keywords": [
+                "coverage",
+                "testing",
+                "xunit"
+            ],
+            "time": "2015-10-06 15:47:00"
+        },
+        {
+            "name": "phpunit/php-file-iterator",
+            "version": "1.4.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
+                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
+                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "FilterIterator implementation that filters files based on a list of suffixes.",
+            "homepage": "https://github.com/sebastianbergmann/php-file-iterator/",
+            "keywords": [
+                "filesystem",
+                "iterator"
+            ],
+            "time": "2015-06-21 13:08:43"
+        },
+        {
+            "name": "phpunit/php-text-template",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-text-template.git",
+                "reference": "31f8b717e51d9a2afca6c9f046f5d69fc27c8686"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-text-template/zipball/31f8b717e51d9a2afca6c9f046f5d69fc27c8686",
+                "reference": "31f8b717e51d9a2afca6c9f046f5d69fc27c8686",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Simple template engine.",
+            "homepage": "https://github.com/sebastianbergmann/php-text-template/",
+            "keywords": [
+                "template"
+            ],
+            "time": "2015-06-21 13:50:34"
+        },
+        {
+            "name": "phpunit/php-timer",
+            "version": "1.0.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-timer.git",
+                "reference": "3e82f4e9fc92665fafd9157568e4dcb01d014e5b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/3e82f4e9fc92665fafd9157568e4dcb01d014e5b",
+                "reference": "3e82f4e9fc92665fafd9157568e4dcb01d014e5b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Utility class for timing",
+            "homepage": "https://github.com/sebastianbergmann/php-timer/",
+            "keywords": [
+                "timer"
+            ],
+            "time": "2015-06-21 08:01:12"
+        },
+        {
+            "name": "phpunit/php-token-stream",
+            "version": "1.4.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-token-stream.git",
+                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
+                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Wrapper around PHP's tokenizer extension.",
+            "homepage": "https://github.com/sebastianbergmann/php-token-stream/",
+            "keywords": [
+                "tokenizer"
+            ],
+            "time": "2015-09-15 10:49:45"
+        },
+        {
+            "name": "phpunit/phpunit",
+            "version": "4.8.16",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/phpunit.git",
+                "reference": "625f8c345606ed0f3a141dfb88f4116f0e22978e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/625f8c345606ed0f3a141dfb88f4116f0e22978e",
+                "reference": "625f8c345606ed0f3a141dfb88f4116f0e22978e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-json": "*",
+                "ext-pcre": "*",
+                "ext-reflection": "*",
+                "ext-spl": "*",
+                "php": ">=5.3.3",
+                "phpspec/prophecy": "^1.3.1",
+                "phpunit/php-code-coverage": "~2.1",
+                "phpunit/php-file-iterator": "~1.4",
+                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-timer": ">=1.0.6",
+                "phpunit/phpunit-mock-objects": "~2.3",
+                "sebastian/comparator": "~1.1",
+                "sebastian/diff": "~1.2",
+                "sebastian/environment": "~1.3",
+                "sebastian/exporter": "~1.2",
+                "sebastian/global-state": "~1.0",
+                "sebastian/version": "~1.0",
+                "symfony/yaml": "~2.1|~3.0"
+            },
+            "suggest": {
+                "phpunit/php-invoker": "~1.1"
+            },
+            "bin": [
+                "phpunit"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.8.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "The PHP Unit Testing framework.",
+            "homepage": "https://phpunit.de/",
+            "keywords": [
+                "phpunit",
+                "testing",
+                "xunit"
+            ],
+            "time": "2015-10-23 06:48:33"
+        },
+        {
+            "name": "phpunit/phpunit-mock-objects",
+            "version": "2.3.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
+                "reference": "ac8e7a3db35738d56ee9a76e78a4e03d97628983"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/ac8e7a3db35738d56ee9a76e78a4e03d97628983",
+                "reference": "ac8e7a3db35738d56ee9a76e78a4e03d97628983",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "^1.0.2",
+                "php": ">=5.3.3",
+                "phpunit/php-text-template": "~1.2",
+                "sebastian/exporter": "~1.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "suggest": {
+                "ext-soap": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.3.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Mock Object library for PHPUnit",
+            "homepage": "https://github.com/sebastianbergmann/phpunit-mock-objects/",
+            "keywords": [
+                "mock",
+                "xunit"
+            ],
+            "time": "2015-10-02 06:51:40"
+        },
+        {
+            "name": "sebastian/comparator",
+            "version": "1.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/comparator.git",
+                "reference": "937efb279bd37a375bcadf584dec0726f84dbf22"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/937efb279bd37a375bcadf584dec0726f84dbf22",
+                "reference": "937efb279bd37a375bcadf584dec0726f84dbf22",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "sebastian/diff": "~1.2",
+                "sebastian/exporter": "~1.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Volker Dusch",
+                    "email": "github@wallbash.com"
+                },
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@2bepublished.at"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Provides the functionality to compare PHP values for equality",
+            "homepage": "http://www.github.com/sebastianbergmann/comparator",
+            "keywords": [
+                "comparator",
+                "compare",
+                "equality"
+            ],
+            "time": "2015-07-26 15:48:44"
+        },
+        {
+            "name": "sebastian/diff",
+            "version": "1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/diff.git",
+                "reference": "863df9687835c62aa423a22412d26fa2ebde3fd3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/863df9687835c62aa423a22412d26fa2ebde3fd3",
+                "reference": "863df9687835c62aa423a22412d26fa2ebde3fd3",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Kore Nordmann",
+                    "email": "mail@kore-nordmann.de"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Diff implementation",
+            "homepage": "http://www.github.com/sebastianbergmann/diff",
+            "keywords": [
+                "diff"
+            ],
+            "time": "2015-02-22 15:13:53"
+        },
+        {
+            "name": "sebastian/environment",
+            "version": "1.3.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/environment.git",
+                "reference": "6324c907ce7a52478eeeaede764f48733ef5ae44"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/6324c907ce7a52478eeeaede764f48733ef5ae44",
+                "reference": "6324c907ce7a52478eeeaede764f48733ef5ae44",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Provides functionality to handle HHVM/PHP environments",
+            "homepage": "http://www.github.com/sebastianbergmann/environment",
+            "keywords": [
+                "Xdebug",
+                "environment",
+                "hhvm"
+            ],
+            "time": "2015-08-03 06:14:51"
+        },
+        {
+            "name": "sebastian/exporter",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/exporter.git",
+                "reference": "7ae5513327cb536431847bcc0c10edba2701064e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/7ae5513327cb536431847bcc0c10edba2701064e",
+                "reference": "7ae5513327cb536431847bcc0c10edba2701064e",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "sebastian/recursion-context": "~1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Volker Dusch",
+                    "email": "github@wallbash.com"
+                },
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@2bepublished.at"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
+                }
+            ],
+            "description": "Provides the functionality to export PHP variables for visualization",
+            "homepage": "http://www.github.com/sebastianbergmann/exporter",
+            "keywords": [
+                "export",
+                "exporter"
+            ],
+            "time": "2015-06-21 07:55:53"
+        },
+        {
+            "name": "sebastian/global-state",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/global-state.git",
+                "reference": "bc37d50fea7d017d3d340f230811c9f1d7280af4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/bc37d50fea7d017d3d340f230811c9f1d7280af4",
+                "reference": "bc37d50fea7d017d3d340f230811c9f1d7280af4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.2"
+            },
+            "suggest": {
+                "ext-uopz": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Snapshotting of global state",
+            "homepage": "http://www.github.com/sebastianbergmann/global-state",
+            "keywords": [
+                "global state"
+            ],
+            "time": "2015-10-12 03:26:01"
+        },
+        {
+            "name": "sebastian/recursion-context",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/recursion-context.git",
+                "reference": "994d4a811bafe801fb06dccbee797863ba2792ba"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/994d4a811bafe801fb06dccbee797863ba2792ba",
+                "reference": "994d4a811bafe801fb06dccbee797863ba2792ba",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
+                }
+            ],
+            "description": "Provides functionality to recursively process PHP variables",
+            "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
+            "time": "2015-06-21 08:04:50"
+        },
+        {
+            "name": "sebastian/version",
+            "version": "1.0.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/version.git",
+                "reference": "58b3a85e7999757d6ad81c787a1fbf5ff6c628c6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/58b3a85e7999757d6ad81c787a1fbf5ff6c628c6",
+                "reference": "58b3a85e7999757d6ad81c787a1fbf5ff6c628c6",
+                "shasum": ""
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
+            "homepage": "https://github.com/sebastianbergmann/version",
+            "time": "2015-06-21 13:59:46"
+        },
+        {
+            "name": "symfony/yaml",
+            "version": "v2.7.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "eca9019c88fbe250164affd107bc8057771f3f4d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/eca9019c88fbe250164affd107bc8057771f3f4d",
+                "reference": "eca9019c88fbe250164affd107bc8057771f3f4d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.7-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Yaml\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Yaml Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-10-11 09:39:48"
+        }
+    ],
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": [],
diff --git a/libs/Tree/Builder.php b/libs/Tree/Builder.php
index 77501f3..0980d34 100644
--- a/libs/Tree/Builder.php
+++ b/libs/Tree/Builder.php
@@ -76,7 +76,7 @@ class Builder
             if ($file->isDir()) {
                 $new = new Directory($node, static::removeSortingInformations($file->getFilename()), $file);
                 $new->setName(static::getName($file->getPathName()));
-                $new->setTitle(static::removeSortingInformations($new->getName(), ' '));
+                $new->setTitle(str_replace('_', ' ', static::removeSortingInformations($new->getName())));
                 static::build($new, $ignore);
             } else {
                 static::createContent($node, $file);
@@ -101,7 +101,7 @@ class Builder
             $uri = static::removeSortingInformations($file->getFilename());
 
             $entry = new Raw($parent, $uri, $file);
-            $entry->setTitle(static::removeSortingInformations($name, ' '));
+            $entry->setTitle(str_replace('_', ' ', static::removeSortingInformations($name)));
             $entry->setName($name);
 
             return $entry;
@@ -121,7 +121,7 @@ class Builder
                 $entry->setTitle($parent->getTitle());
             }
         } else {
-            $entry->setTitle(static::removeSortingInformations($name, ' '));
+            $entry->setTitle(str_replace('_', ' ', static::removeSortingInformations($name)));
         }
 
         $entry->setName($name);
@@ -133,23 +133,14 @@ class Builder
      * @param string $filename
      * @return string
      */
-    protected static function removeSortingInformations($filename, $separator = '_')
+    public static function removeSortingInformations($filename)
     {
-        $filename = explode('_', $filename);
+        preg_match("/^-?[0-9]*_?(.*)/", $filename, $matches);
 
-        // Remove the numeric part of the
-        // filename, only if there is
-        // something after that
-        if ($filename[0] == '' || (is_numeric($filename[0]) && array_key_exists(1, $filename))) {
-            unset($filename[0]);
-        } else {
-            $t = $filename[0];
-            if ($t[0] == '-') {
-                $filename[0] = substr($t, 1);
-            }
-        }
-        $filename = implode($separator, $filename);
-        return $filename;
+        // Remove the numeric part
+        // of the filename, only if
+        // there is something after
+        return empty($matches[1])? $matches[0] : $matches[1];
     }
 
     /**
diff --git a/libs/Tree/Directory.php b/libs/Tree/Directory.php
index 6deac12..2483df9 100644
--- a/libs/Tree/Directory.php
+++ b/libs/Tree/Directory.php
@@ -12,7 +12,62 @@ class Directory extends Entry
 
     public function sort()
     {
-        uasort($this->children, array($this, 'compareEntries'));
+        // Separate the values into buckets to sort them separately
+        $buckets = [
+            'numeric' => [],
+            'normal' => [],
+            'down_numeric' => [],
+            'down' => [],
+        ];
+
+        foreach ($this->children as $key => $entry) {
+            $name = $entry->getName();
+
+            if ($name[0] == "-") {
+                if (is_numeric($name[1])) {
+                    $exploded = explode("_", $name);
+                    $buckets['down_numeric'][abs(substr($exploded[0], 1))][$key] = $entry;
+                    continue;
+                }
+
+                $buckets['down'][$key] = $entry;
+                continue;
+            }
+
+            if (is_numeric($name[0])) {
+                $exploded = explode("_", $name);
+                $buckets['numeric'][abs($exploded[0])][$key] = $entry;
+                continue;
+            }
+
+            $buckets['normal'][$key] = $entry;
+        }
+
+        $final = [];
+        foreach ($buckets as $name => $bucket) {
+            if ($name == 'numeric' || $name == 'down_numeric') {
+                ksort($bucket);
+                foreach ($bucket as $sub_bucket) {
+                    $final = $this->sortBucket($sub_bucket, $final);
+                }
+            } else {
+                $final = $this->sortBucket($bucket, $final);
+            }
+        }
+
+        $this->children = $final;
+    }
+
+    private function sortBucket($bucket, $final) {
+        uasort($bucket, function(Entry $a, Entry $b) {
+            return strcasecmp($a->getName(), $b->getName());
+        });
+
+        foreach ($bucket as $key => $value) {
+            $final[$key] = $value;
+        }
+
+        return $final;
     }
 
     /**
@@ -156,51 +211,6 @@ class Directory extends Entry
         return false;
     }
 
-    private function compareEntries($a, $b)
-    {
-        $name_a = explode('_', $a->name);
-        $name_b = explode('_', $b->name);
-        if (is_numeric($name_a[0])) {
-            $a = intval($name_a[0]);
-            if (is_numeric($name_b[0])) {
-                $b = intval($name_b[0]);
-                if (($a >= 0) == ($b >= 0)) {
-                    $a = abs($a);
-                    $b = abs($b);
-                    if ($a == $b) {
-                        return (strcasecmp($name_a[1], $name_b[1]));
-                    }
-                    return ($a > $b) ? 1 : -1;
-                }
-                return ($a >= 0) ? -1 : 1;
-            }
-            $t = $name_b[0];
-            if ($t && $t[0] === '-') {
-                return -1;
-            }
-            return ($a < 0) ? 1 : -1;
-        } else {
-            if (is_numeric($name_b[0])) {
-                $b = intval($name_b[0]);
-                if ($b >= 0) {
-                    return 1;
-                }
-                $t = $name_a[0];
-                if ($t && $t[0] === '-') {
-                    return 1;
-                }
-                return ($b >= 0) ? 1 : -1;
-            }
-            $p = $name_a[0];
-            $q = $name_b[0];
-            if (($p && $p[0] === '-') == ($q && $q[0] === '-')) {
-                return strcasecmp($p, $q);
-            } else {
-                return ($p[0] === '-') ? 1 : -1;
-            }
-        }
-    }
-
     public function dump()
     {
         $dump = parent::dump();
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..cdd3df7
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+    >
+    <testsuites>
+        <testsuite name="Daux Test Suite">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">libs</directory>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/tests/Tree/BuilderTest.php b/tests/Tree/BuilderTest.php
new file mode 100644
index 0000000..4e28c0e
--- /dev/null
+++ b/tests/Tree/BuilderTest.php
@@ -0,0 +1,37 @@
+<?php namespace Todaymade\Daux\Tree;
+
+
+class BuilderTest extends \PHPUnit_Framework_TestCase
+{
+    public function providerRemoveSorting()
+    {
+        return array(
+            ['01_before', 'before'],
+            ['-Down', 'Down'],
+            ["01_numeric", 'numeric'],
+            ["01_A_File", "A_File"],
+            ["A_File", "A_File"],
+            ["01_Continuing", "Continuing"],
+            ["-01_Coming", "Coming"],
+            ["-02_Soon", "Soon"],
+            ["01_Getting_Started", "Getting_Started"],
+            ["API_Calls", "API_Calls"],
+            ["200_Something_Else-Cool", "Something_Else-Cool"],
+            ["_5_Ways_to_Be_Happy", "5_Ways_to_Be_Happy"],
+            ["Before_but_after", "Before_but_after"],
+            ["Continuing", "Continuing"],
+            ["01_GitHub_Flavored_Markdown", "GitHub_Flavored_Markdown"],
+            ["Code_Test", "Code_Test"],
+            ["05_Code_Highlighting", "Code_Highlighting"],
+            ["1", "1"],
+        );
+    }
+
+    /**
+     * @dataProvider providerRemoveSorting
+     */
+    public function testRemoveSorting($value, $expected)
+    {
+        $this->assertEquals($expected, Builder::removeSortingInformations($value));
+    }
+}
diff --git a/tests/Tree/DirectoryTest.php b/tests/Tree/DirectoryTest.php
new file mode 100644
index 0000000..6078a7f
--- /dev/null
+++ b/tests/Tree/DirectoryTest.php
@@ -0,0 +1,48 @@
+<?php namespace Todaymade\Daux\Tree;
+
+use Todaymade\Daux\Config;
+
+class DirectoryTest extends \PHPUnit_Framework_TestCase {
+
+    public function providerSort()
+    {
+        return array(
+            array(["005_Fifth", "01_First"], ["01_First", "005_Fifth"]),
+            array(["005_Fifth", "Another", "01_First"], ["01_First", "005_Fifth", "Another"]),
+            array(["005_Fifth", "Another", "-Sticky", "01_First"], ["01_First", "005_Fifth", "Another", "-Sticky"]),
+            array(['01_before', '-Down'], ['01_before', '-Down']),
+            array(['01_before', '-Down-after', '-Down'], ['01_before', '-Down', '-Down-after']),
+            array(["01_numeric", "01_before"], ["01_before", "01_numeric"]),
+            array(["A_File", "01_A_File"], ["01_A_File", "A_File"]),
+            array(["A_File", "01_Continuing", "-01_Coming", "-02_Soon"], ["01_Continuing", "A_File", "-01_Coming", "-02_Soon"]),
+            array(["01_Getting_Started", "API_Calls", "200_Something_Else-Cool", "_5_Ways_to_Be_Happy"], ["01_Getting_Started", "200_Something_Else-Cool", "_5_Ways_to_Be_Happy", "API_Calls"]),
+            array(["Before_but_after", "A_File", "Continuing"], ["A_File", "Before_but_after", "Continuing"]),
+            array(["01_GitHub_Flavored_Markdown", "Code_Test", "05_Code_Highlighting"], ["01_GitHub_Flavored_Markdown", "05_Code_Highlighting", "Code_Test"]),
+        );
+    }
+
+    /**
+     * @dataProvider providerSort
+     */
+    public function testSort($list, $expected)
+    {
+        shuffle($list);
+        $directory = new Directory(new Root(new Config(), ''), 'dir');
+
+        foreach ($list as $value) {
+            $entry = new Content($directory, $value);
+            $entry->setName($value);
+        }
+
+        $directory->sort();
+
+        $final = [];
+        foreach ($directory->getEntries() as $obj) {
+            $final[] = $obj->getName();
+        }
+
+        $this->assertEquals($expected, $final);
+    }
+
+
+}