Fix #340 - Set provider type for unit tests in the browser

tests/lib/test-utils.js

@@ -1,9 +1,8 @@
-(function(global) {
-
 var Filer = require('../..');
 var IndexedDBTestProvider = require('./indexeddb.js');
 var WebSQLTestProvider = require('./websql.js');
 var MemoryTestProvider = require('./memory.js');
+var Url = require('url');
 
 var _provider;
 var _fs;
@@ -26,13 +25,35 @@
   return MemoryTestProvider;
 }
 
+function getUrlParams() {
+  // Check if we are running in node
+  if(!global.location) {
+    return null;
+  }
+
+  var url = Url.parse(global.location.href, true);
+
+  return url.query;
+}
+
+function getProviderType() {
+  var defaultProvider = 'Memory';
+  var queryString = getUrlParams();
+
+  // If the environment is node or the query string is empty,
+  // the memory provider will be used.
+  if(!queryString) {
+    return defaultProvider;
+  }
+
+  return queryString['filer-provider'] || defaultProvider;
+}
+
 function setup(callback) {
   // In browser we support specifying the provider via the query string
   // (e.g., ?filer-provider=IndexedDB). If not specified, we use
-    // the Memory provider by default.  See test/require-config.js
+  // the Memory provider by default.
-    // for definition of window.filerArgs.
+  var providerType = getProviderType();
-    var providerType = global.filerArgs && global.filerArgs.provider ?
-      global.filerArgs.provider : 'Memory';
 
   var name = uniqueName();
 
@@ -131,5 +152,3 @@
   cleanup: cleanup,
   typedArrayEqual: typedArrayEqual
 };
-
-}(this));