it('should register hook', () => {
var hooks = new Hooks();
spyOn(hooks, 'isRegistered').and.returnValue(false);
hooks.register('test');
expect(hooks.isRegistered).toHaveBeenCalledWith('test');
expect(hooks.getRegistered().indexOf('test')).toBeGreaterThan(-1);
hooks.isRegistered.and.returnValue(true);
hooks.register('test2');
expect(hooks.isRegistered).toHaveBeenCalledWith('test2');
expect(hooks.getRegistered().indexOf('test2')).toBe(-1);
});
it('should returns array of registered hooks', () => {
var hooks = new Hooks();
expect(hooks.getRegistered().length).toBeGreaterThan(0);
});