Make Storage configPath parameter required

lib/util/storage.js

@@ -10,9 +10,8 @@ var _ = require('lodash');
  *
  * @constructor
  * @param {String} name       The name of the new storage (this is a namespace)
- * @param {mem-fs-editor} fs         A mem-fs editor instance
- * @param {String} configPath The filepath used as a storage. `.yo-rc.json` is used
- *                             by default
+ * @param {mem-fs-editor} fs  A mem-fs editor instance
+ * @param {String} configPath The filepath used as a storage.
  *
  * @example
  * var MyGenerator = yeoman.generators.base.extend({
@@ -24,8 +23,9 @@ var _ = require('lodash');
 
 var Storage = module.exports = function Storage(name, fs, configPath) {
   assert(name, 'A name parameter is required to create a storage');
+  assert(configPath, 'A config filepath is required to create a storage');
 
-  this.path = configPath || path.join(process.cwd(), '.yo-rc.json');
+  this.path = configPath;
   this.name = name;
   this.fs = fs;
 

test/storage.js

@@ -54,13 +54,10 @@ describe('Storage', function () {
     assert.equal(this.store.get('foo'), 'bar');
   });
 
-  it('defaults store path to `.yo-rc.json`', function () {
-    process.chdir(tmpdir);
-    var store = new Storage('yo', this.fs);
-    store.set('foo', 'bar');
-
-    var fileContent = this.fs.readJSON('.yo-rc.json');
-    assert.equal(fileContent.yo.foo, 'bar');
+  it('a config path is required', function () {
+    assert.throws(function () {
+      new Storage('yo', this.fs);
+    });
   });
 
   describe('#get()', function () {