Read/Write/Upgrade config.json with settings module

test/settings_test.js

@@ -0,0 +1,18 @@
+const should = require('should');
+const fs = require('fs');
+const settings = require('../src/common/settings');
+
+const config_file_path = '../test_config.json'
+
+describe('settings.js', function() {
+
+  it('should upgrade v0 config file', function() {
+    const v0_config = {
+      url: 'http://example.com/team'
+    };
+    config = settings.upgrade(v0_config);
+    config.url.length.should.equal(1);
+    config.url[0].should.equal(v0_config.url);
+    config.version.should.equal(settings.version);
+  });
+});