From c07f54c0df73ee63ccbdbd36cf42942fc00f4917 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Sat, 19 Dec 2015 17:35:40 -0700
Subject: [PATCH] Pass options from create to constructor

---
 lib/filesystem.js           |  9 +++++++--
 test/lib/filesystem.spec.js | 16 ++++++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/lib/filesystem.js b/lib/filesystem.js
index cad2edc9..14c345b7 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -158,10 +158,15 @@ function populate(directory, name, obj) {
 /**
  * Configure a mock file system.
  * @param {Object} paths Config object.
+ * @param {Object} options Any filesystem options.
+ * @param {boolean} options.createCwd Create a directory for `process.cwd()`
+ *     (defaults to `true`).
+ * @param {boolean} options.createTmp Create a directory for `os.tmpdir()`
+ *     (defaults to `true`).
  * @return {FileSystem} Mock file system.
  */
-FileSystem.create = function(paths) {
-  var system = new FileSystem();
+FileSystem.create = function(paths, options) {
+  var system = new FileSystem(options);
 
   for (var filepath in paths) {
     var parts = getPathParts(filepath);
diff --git a/test/lib/filesystem.spec.js b/test/lib/filesystem.spec.js
index c513c6f3..6d028497 100644
--- a/test/lib/filesystem.spec.js
+++ b/test/lib/filesystem.spec.js
@@ -179,6 +179,22 @@ describe('FileSystem.create', function() {
 
   });
 
+  it('passes options to the FileSystem constructor', function() {
+
+    var cwd = process.cwd();
+    var tmp = os.tmpdir ? os.tmpdir() : os.tmpDir();
+
+    var withoutCwd = FileSystem.create({}, {createCwd: false});
+    var withoutTmp = FileSystem.create({}, {createTmp: false});
+
+    assert.isNull(withoutCwd.getItem(cwd));
+    assert.instanceOf(withoutCwd.getItem(tmp), Directory);
+
+    assert.isNull(withoutTmp.getItem(tmp));
+    assert.instanceOf(withoutTmp.getItem(cwd), Directory);
+
+  });
+
   it('accepts file factory', function() {
 
     var system = FileSystem.create({