message: Tested null, undef & empty active style
diff: @@ -480,6 +480,81 @@ describe('RefreshLinkTest', function () {
  })
  });
  + describe('Null Active Style Refresh Link', function () {
  + it('should render', function(){
  + var stateNavigator = new StateNavigator([
  + { key: 's', route: 'r' }
  + ]);
  + stateNavigator.navigate('s', {x: 'a', y: 'b'});
  + var container = document.createElement('div');
  + ReactDOM.render(
  + <NavigationHandler stateNavigator={stateNavigator}>
  + <RefreshLink
  + navigationData={{x: 'a', y: null}}
  + activeStyle={{color: 'green', fontWeight: 'bold'}}>
  + link text
  + </RefreshLink>
  + </NavigationHandler>,
  + container
  + );
  + var link = container.querySelector<HTMLAnchorElement>('a');
  + assert.equal(link.hash, '#/r?x=a');
  + assert.equal(link.style.color, 'green');
  + assert.equal(link.style.fontWeight, 'bold');
  + assert.equal(link.innerHTML, 'link text');
  + })
  + });
  +
  + describe('Undefined Active Style Refresh Link', function () {
  + it('should render', function(){
  + var stateNavigator = new StateNavigator([
  + { key: 's', route: 'r' }
  + ]);
  + stateNavigator.navigate('s', {x: 'a', y: 'b'});
  + var container = document.createElement('div');
  + ReactDOM.render(
  + <NavigationHandler stateNavigator={stateNavigator}>
  + <RefreshLink
  + navigationData={{x: 'a', y: undefined}}
  + activeStyle={{color: 'green', fontWeight: 'bold'}}>
  + link text
  + </RefreshLink>
  + </NavigationHandler>,
  + container
  + );
  + var link = container.querySelector<HTMLAnchorElement>('a');
  + assert.equal(link.hash, '#/r?x=a');
  + assert.equal(link.style.color, 'green');
  + assert.equal(link.style.fontWeight, 'bold');
  + assert.equal(link.innerHTML, 'link text');
  + })
  + });
  +
  + describe('Empty String Inactive Style Refresh Link', function () {
  + it('should render', function(){
  + var stateNavigator = new StateNavigator([
  + { key: 's', route: 'r' }
  + ]);
  + stateNavigator.navigate('s', {x: 'a', y: 'b'});
  + var container = document.createElement('div');
  + ReactDOM.render(
  + <NavigationHandler stateNavigator={stateNavigator}>
  + <RefreshLink
  + navigationData={{x: 'a', y: ''}}
  + activeStyle={{color: 'green', fontWeight: 'bold'}}>
  + link text
  + </RefreshLink>
  + </NavigationHandler>,
  + container
  + );
  + var link = container.querySelector<HTMLAnchorElement>('a');
  + assert.equal(link.hash, '#/r?x=a');
  + assert.equal(link.style.color, '');
  + assert.equal(link.style.fontWeight, '');
  + assert.equal(link.innerHTML, 'link text');
  + })
  + });
  +
  describe('Null Active Css Class Refresh Link', function () {
  it('should render', function(){
  var stateNavigator = new StateNavigator([
  