@Test
  public void shouldFilterInjectedCodeWithSpace() {
    Mockito.when(request.getParameterMap()).thenReturn(injectionMap);
    wrapper = new InjectionAttackWrapper(request);
    Map<String, String[]> output = wrapper.getParameterMap();

    assertEquals("", ((String[]) output.get("param3"))[0]);
  }
  @Test
  public void shouldNotFilterMessageWithAnOnInItLaterInTheString() {
    Mockito.when(request.getParameterMap()).thenReturn(innocuousMap);

    wrapper = new InjectionAttackWrapper(request);
    Map<String, String[]> output = wrapper.getParameterMap();
    assertEquals("Then ona winter day", output.get("param4")[0]);
  }
  @Test
  public void shouldNotFilterMessageStartingWithOn() {
    Mockito.when(request.getParameterMap()).thenReturn(innocuousMap);

    wrapper = new InjectionAttackWrapper(request);
    Map<String, String[]> output = wrapper.getParameterMap();
    assertEquals("%20on a rainy day", output.get("param3")[0]);
  }
  @Test
  public void shouldNotFilterMessageWithAnOnInAName() {
    Mockito.when(request.getParameterMap()).thenReturn(innocuousMap);

    wrapper = new InjectionAttackWrapper(request);
    Map<String, String[]> output = wrapper.getParameterMap();
    assertEquals("%20Christina Zhong", output.get("param1")[0]);
  }