Spring MVC: How to bind to nested object properties in the #ModelAttribute - java

I have a unit test to carry out based on the following part of code:
#RequestMapping(value = "/changePass", method = RequestMethod.POST)
public ModelAndView changePass(#ModelAttribute(TAPPLICATION) AppBean applicationBean, BindingResult result, ModelMap model, Principal principal, HttpServletRequest request) throws NSException, SQLException {
// ...
if (applicationBean != null
&& applicationBean.getChangePassDto() != null
&& StringUtils.isNotEmpty(applicationBean.getChangePassDto().getNewPassword())) {
String newPassword = applicationBean.getChangePassDto().getNewPassword();
// ...
}
// ...
The AppBean contains the following getter and setter:
private ChangePassDto changePassDto;
public ChangePassDto getChangePassDto() {
return changePassDto;
}
public void setChangePassDto(ChangePasswordDto changePassDto) {
this.changePassDto = changePassDto;
}
Basically when I execute the unit test the method applicationBean.getChangePassDto() is null but applicationBean is not null. How can I initialise the applicationBean.getChangePassDto() so that it does not return null? I have initialised the other non object parameters with the .param method as it can be seen in my unit test.
I am also using Powermock as unit test framework.
Please find below part of my unit test:
#Before
public void setup() {
request = new MockHttpServletRequest();
request.setAttribute(DispatcherServlet.OUTPUT_FLASH_MAP_ATTRIBUTE, new FlashMap());
response = new MockHttpServletResponse();
session = new MockHttpSession();
request.setSession(session);
RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));
//Added viewResolver to prevent circular view path error
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setPrefix("/WEB-INF/jsp/");
viewResolver.setSuffix(".jsp");
this.mockMvc = MockMvcBuilders.standaloneSetup(appController).setViewResolvers(viewResolver).build();
}
#Test
public void changePass_ExpectC() throws Exception {
PowerMockito.doNothing().when(passwordVal).validate(any(User.class), anyListOf(Params.class), any(Object.class),any(Errors.class));
mockMvc.perform(post("/changePass").param("userLogName", "JOHN").param("userLogged", "userLogged").param("password", "password123").param("newPassword", "newPassword123").param("confirmNewPassword", "newPassword123"))
.andExpect(view().name(Constants.DENIED))
.andExpect(status().isOk()
);
}
Any idea how I can intitialise applicationBean.getchangePassDto() so that it is not null?
Thanks in advance for help.

Simply create a new instance of ChangePassDto in your AppBean:
public class AppBean {
private ChangePassDto changePassDto = new ChangePassDto();
public ChangePassDto getChangePassDto() {
return changePassDto;
}
public void setChangePassDto(ChangePasswordDto changePassDto) {
this.changePassDto = changePassDto;
}
// ...
}
You then need to use the full path to the properties in the nested DTO like this:
mockMvc.perform(post("/changePass")
.param("changePassDto.userLogName", "JOHN")
.param("changePassDto.userLogged", "userLogged")
.param("changePassDto.password", "password123")
.param("changePassDto.newPassword", "newPassword123")
.param("changePassDto.confirmNewPassword", "newPassword123"))
.andExpect(view().name(Constants.DENIED))
.andExpect(status().isOk());

Related

Spring controller test fails despite url working

I am trying to test a basic controller:
#Autowired
DAOInterface db;
#RequestMapping(value = "/postdb", method = RequestMethod.GET)
#ResponseBody
public String postdb(
#RequestParam(value = "id", required = true) String id
) {
db.addEntry(id);
return "Added " + id + ".";
}
This url works as when I access it, it adds it to a db and I get the string output as a response.
I am trying to create a simple unit test for it:
#Autowired
MockMvc mockMvc;
#MockBean
DAOInterface daoInterface;
#Test
public void shouldReturnA200() throws Exception {
mockMvc.perform(get("/postdb?id=3"))
.andExpect(status().isOk());
}
But instead I get the following
MockHttpServletRequest:
HTTP Method = GET
Request URI = /postdb
Parameters = {id=[3]}
Headers = {}
Handler:
Type = org.springframework.web.servlet.resource.ResourceHttpRequestHandler
Async:
Async started = false
Async result = null
Resolved Exception:
Type = null
ModelAndView:
View name = null
View = null
Model = null
FlashMap:
Attributes = null
MockHttpServletResponse:
Status = 404
Error message = null
Headers = {}
Content type = null
Body =
Forwarded URL = null
Redirected URL = null
Cookies = []
java.lang.AssertionError: Status
Expected :200
Actual :404
Not sure why I it's working whenever I try and access it but fails when running this test. I don't see any issues. Might it be because I'm not using any headers or a formal response body/view and rather just outputting a String?
EDIT = It works when I add
.contextPath("/postdb")).. not sure if that's the correct way but when I write another test and dont include any request paramters, that test gives a 200 instead of a 400 or 404....
#Autowired
DAOInterface db;
#RequestMapping(value = "/postdb", method = RequestMethod.GET)
public ResponseEntity<String> postdb(#RequestParam(required = true) String id) {
db.addEntry(id);
return new ResponseEntity<>("Added " + id + ".", HttpStatus.OK);
}
Test:
#Test
public void shouldReturnA200() throws Exception {
mockMvc.perform(get("/postdb?id=3")
.contentType(MediaType.APPLICATION_JSON)
.accept(MediaType.APPLICATION_JSON))
.andExpect(status().isOk());
}
Below is working fine for me
public class FirstWebController {
#RequestMapping(value = "/postdb", method = RequestMethod.GET)
#ResponseBody
public String postdb(#RequestParam(value = "id", required = true) String id) {
System.out.println("idddddddddddd "+id);
return "Added " + id + ".";
}
}
Test class is
#RunWith(SpringJUnit4ClassRunner.class)
#ContextConfiguration
public class FirstWebControllerTest {
#Configuration
static class FirstWebControllerTestConfiguration {
#Bean
public FirstWebController firstWebController() {
return new FirstWebController();
}
}
#Autowired
private FirstWebController firstWebController;
private MockMvc mockMvc;
#Before
public void setup() {
mockMvc = standaloneSetup(firstWebController).build();
}
#Test
public void shouldReturnA200() throws Exception {
mockMvc.perform(get("/postdb?id=3")).andExpect(status().isOk());
}
}
Try adding query parameter as below:
#Test
public void shouldReturnA200() throws Exception {
mockMvc.perform(get("/postdb).param("id", "3"))
.andExpect(status().isOk());
}

How to pass in parameters in spring-mvc-test?

I have to test this;
/** Displays the balance us page. */
#RequestMapping(value = "/profile/balance")
public ModelAndView balance(Principal principal) {
ModelAndView model = new ModelAndView("balance");
String username = principal.getName();
User user = userService.findUserByUsername(username);
model.addObject("moneyEarned", user.getMoneyEarned());
model.addObject("moneySpent", user.getMoneySpent());
return model;
}
my test looks like that;
#Test
public void getProfileBalance() throws Exception {
this.mockMvc.perform(get("/profile/balance")
.andExpect(status().isOk())
.andExpect(view().name("balance"));
}
I really don't understand how I could pass in that Principal instance.
How can I do that?
Easiest way is by doing
#Test
public void getProfileBalance() throws Exception {
SecurityContext ctx = new SecurityContextImpl();
ctx.setAuthentication(new UsernamePasswordAuthenticationToken("principal", "password"));
SecurityContextHolder.setStrategyName(SecurityContextHolder.MODE_GLOBAL);
SecurityContextHolder.setContext(ctx);
this.mockMvc.perform(get("/profile/balance")
.andExpect(status().isOk())
.andExpect(view().name("balance"));
SecurityContextHolder.clearContext();
}
Or you can use the Spring Security Test library

Unit test Spring and PowerMock - Getting null pointer in request.getParameter value

Hi I have the following code to test:
#RequestMapping(value = "/displayPages", method = RequestMethod.GET)
public ModelAndView errorPage(ModelMap model, HttpServletRequest request) {
String token = (request != null) ? request.getParameter("tok") : "";
boolean requestP = ESAPI.validator().isValidInput("Request Param", tok, "HTTPParameterValue", 1, false);
if (requestP || token.contains(msg.getMessage("techErr.tok", new Object[]{}, Constants.LOCAL))) {
return new ModelAndView("dispError");
} else {
return new ModelAndView("login");
}
}
Part of my unit test class is shown below:
#RunWith(PowerMockRunner.class)
#PrepareForTest({ESAPI.class})
public class ApplicationConTest {
#InjectMocks
private ApplicationCont appController;
private MockMvc mockMvc;
....
#Before
public void setup() {
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpSession session = new MockHttpSession();
request.setSession(session);
RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));
this.mockMvc = MockMvcBuilders.standaloneSetup(appController).build();
}
#Test
public void errorPages_ExpectLogout() throws Exception {
String returnVal = "test";
HttpServletRequest request = mock(HttpServletRequest.class);
when(request.getParameter("tok")).thenReturn("dummuy value");
when(msg.getMessage("techErr.tok",new Object[]{},Constants.LOCAL)).thenReturn(returnVal);
//msg.getMessage("techErr.tok", new Object[]{}, Constants.LOCAL)
mockMvc.perform(get("/errorPages"))
.andExpect(view().name("logout")
);
}
When I execute the code the String tok is null and i get a null pointer exception. However as showed above I am returning a dummy value,
any advice why tok is null?
Thanks in advance for any help.

Model Object in Spring Junit for Controller

I am trying to write a junit for a spring controller whose signature is something like this
#RequestMapping(value = { "/addPharmcyInLookUpTable.form" }, method = { org.springframework.web.bind.annotation.RequestMethod.POST })
public String processSubmitAddPhl(#ModelAttribute PhrmcyAdmin phrmcyAdmin,
BindingResult result, SessionStatus status,
HttpServletRequest request) throws Exception {
.....
....
}
The junit for this is
#RunWith(SpringJUnit4ClassRunner.class)
#ContextConfiguration(locations = { "classpath:/applicationContext.xml",
"classpath:/puela-app-config.xml" }, inheritLocations = true)
public class AddPharmacyInLookUpTableControllerTest {
public static junit.framework.Test suite() {
return new JUnit4TestAdapter(
AddPharmacyInLookUpTableControllerTest.class);
}
#InjectMocks
private AddPharmacyInLookUpTableController controller;
private static MockHttpServletRequest request;
private static MockHttpServletResponse response;
#Autowired
private HandlerMapping handlerMapping;
#Autowired
private HandlerAdapter handlerAdapter;
#BeforeClass
public static void runBeforeAllTest() throws Exception {
System.out.println("Running one time Setup");
request = new MockHttpServletRequest();
response = new MockHttpServletResponse();
}
private ModelAndView handle(final HttpServletRequest request,
final HttpServletResponse response) throws Exception {
final HandlerExecutionChain handler = handlerMapping
.getHandler(request);
Assert.assertNotNull(
"No handler found for request, check you request mapping",
handler);
final Object controller = handler.getHandler();
for (final HandlerInterceptor interceptor : handlerMapping.getHandler(
request).getInterceptors()) {
if (!interceptor.preHandle(request, response, controller)) {
return null;
}
}
return handlerAdapter.handle(request, response, controller);
}
#Test
public void processRequestAddPhl_post() throws Exception
{
PhrmcyAdmin phrmcyAdmin = new PhrmcyAdmin();
phrmcyAdmin.setPhlCalMailbox("Test");
phrmcyAdmin.setPhlMailPharmacy("FootHill");
request.setMethod("POST");
request.setRequestURI("/addPharmcyInLookUpTable.form");
// Code goes here
MockHttpSession session = new MockHttpSession();
ModelAndView mv = handle(request, response);
assertEquals(mv.getViewName(), "addPhrmcyInTable.view");
}
}
I am trying to send this model object phrmcyAdmin along with the request. Any idea how we can deal with the model object??

How to specify #RequestMapping params in MockMvc

I have a controller:
#Controller
#RequestMapping(value = "/bookForm")
public class BookFormController {
#Autowired
private BookHttpRequestParser parser;
#Autowired
private BooksService booksService;
#RequestMapping(params = "add", method = RequestMethod.POST)
public String addBook(HttpServletRequest request) {
try {
Book newBook = parser.createBookFromRequest(request);
booksService.addBook(newBook);
} catch (InvalidTypedParametersException e) {
}
return "redirect:index.html";
}
This Controller has a method for adding book to DB. Method has #RequestMapping annotation with params = "add" value.
Im trying to set this params criteria to controller unit test method:
#Test
public void addBook() throws Exception{
HttpServletRequest request = mock(HttpServletRequest.class);
Book book = new Book();
when(parser.createBookFromRequest(request)).thenReturn(book);
mockMvc.perform(post("/bookForm", "add"))
.andExpect(status().isOk())
.andExpect(view().name("redirect:index.html"));
}
Where to specify this #ResuetsMapping params value?
This:
mockMvc.perform(post("/bookForm", "add"))
doesn't work at all.
The following should work.
mockMvc.perform(post("/bookForm?add="))
use RequestBuilder requestBuilders;
object to build your request
requestBuilders = MockMvcRequestBuilders.get("URL/{Pathvariable}","PathvariableValue")
.contentType(MediaType.APPLICATION_JSON)
.header("HeaderName", HeaderValue)
.param("ParameterName", "Value")
.param("ParameterName", "Value")
.accept(MediaType.APPLICATION_JSON);
and the perfrom
mockMvc.perform(requestBuilders)
.andDo(print())
.andExpect(status().isOk())
.andReturn();

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