Added auth test, cleaned up directory

tests/Pickles/FileTest.php

@@ -0,0 +1,63 @@
+<?php
+
+class FileTest extends PHPUnit_Framework_TestCase
+{
+    public static function setUpBeforeClass()
+    {
+        // Using actual filesystem because you can't chdir with vfs://
+        $directory = '/tmp/pickles-fs/filetest/test/test';
+
+        if (!file_exists($directory))
+        {
+            mkdir($directory, 0777, true);
+        }
+    }
+
+    public static function tearDownAfterClass()
+    {
+        Pickles\File::removeDirectory('/tmp/pickles-fs');
+    }
+
+    public function testRemoveDirectory()
+    {
+        $directory = '/tmp/pickles-fs/filetest/';
+
+        touch($directory . 'ing');
+        touch($directory . 'test/ing');
+        touch($directory . 'test/test/ing');
+
+        Pickles\File::removeDirectory($directory);
+
+        $this->assertFalse(file_exists($directory));
+    }
+
+    public function testMissingTrailingSlash()
+    {
+        $directory = '/tmp/pickles-fs/missing';
+
+        mkdir($directory, 0777, true);
+        touch('/tmp/pickles-fs/missing/slash');
+
+        Pickles\File::removeDirectory($directory);
+
+        $this->assertFalse(file_exists($directory));
+    }
+
+    public function testRemoveFileNotDirectory()
+    {
+        $directory = '/tmp/pickles-fs/dir';
+        $file      = '/tmp/pickles-fs/dir/file';
+
+        mkdir($directory, 0777, true);
+        touch($file);
+
+        Pickles\File::removeDirectory($file);
+
+        $this->assertFalse(file_exists($file));
+
+        Pickles\File::removeDirectory($directory);
+
+        $this->assertFalse(file_exists($directory));
+    }
+}
+