@BeforeClass
  public void setUp() {
    rules = new LinkedHashSet<UrlRule>();
    rules.add(getUrlRule());

    ruleBuilder = createMock(ApacheRuleBuilder.class);
    controllerPaths = createMock(ControllerPaths.class);
    connection = createMock(ZooKeeperConnection.class);
    configurationBuilder = new ApacheConfigurationBuilder();
    configurationBuilder.setRuleBuilder(ruleBuilder);
    configurationBuilder.setControllerPaths(controllerPaths);
    configurationBuilder.setConnection(connection);
  }
  public void testGenerateConfiguration() {
    expect(ruleBuilder.build("/rule/")).andReturn("/rule/").once();

    replay(ruleBuilder);

    configurationBuilder.build(rules);
    verify(ruleBuilder);
    // TODO verify the configuration.
  }