[fixed] Define toggleNavKey in the propTypes

Author: teloo

src/Navbar.jsx

@@ -22,6 +22,10 @@ var Navbar = React.createClass({
     componentClass: React.PropTypes.node.isRequired,
     brand: React.PropTypes.node,
     toggleButton: React.PropTypes.node,
+    toggleNavKey: React.PropTypes.oneOfType([
+      React.PropTypes.string,
+      React.PropTypes.number
+    ]),
     onToggle: React.PropTypes.func,
     navExpanded: React.PropTypes.bool,
     defaultNavExpanded: React.PropTypes.bool

test/NavbarSpec.jsx

@@ -150,4 +150,17 @@ describe('Nav', function () {
 
     assert.ok(header);
   });
+
+  it('Should add header when toggleNavKey is string', function () {
+    var instance = ReactTestUtils.renderIntoDocument(
+      <Navbar toggleNavKey={'string'}>
+        <Nav eventKey={'string'}>
+        </Nav>
+      </Navbar>
+    );
+
+    var header = ReactTestUtils.findRenderedDOMComponentWithClass(instance, 'navbar-header');
+
+    assert.ok(header);
+  });
 });