add readdirSyncRecursive and the test runner file.

tests/readdirSyncRecursive.js

@@ -0,0 +1,30 @@
+var testCase = require('nodeunit').testCase;
+var fs = require('fs');
+var wrench = require('wrench');
+var path = require('path');
+
+module.exports = testCase({
+    test_readdirSyncRecursive: function(test) {
+        var dir = __dirname + '/readdir';
+
+        test.equals(path.existsSync(dir), true, 'Folders should exist');
+
+        var check = [
+                'bar.txt',
+                'foo',
+                'foo/bar',
+                'foo/dolor.md',
+                'foo/lorem.txt',
+                'foo/bar/ipsum.js'
+            ];
+
+        var files = wrench.readdirSyncRecursive(dir);
+
+        test.equals(files.length, check.length, 'number of paths is correct');
+        test.deepEqual(files, check, 'list shows all files and folders');
+
+        test.done();
+    }
+});
+
+// vim: et ts=4 sw=4