testing - Mock service in Spring MVC -


i have problem mocking service in spring mvc:

@controller public class companycontroller {    @autowired   private companyservice companyservice;    @autowired   private companyrelationservice companyrelationservice;    @getmapping({"/", "/companies"})   public string displaycompanies(model model) {     model.addattribute("company", new company());     list<company> companies = companyservice.findall();     model.addattribute("companies", companies);     return "companies";   } }

and test:

@runwith(springjunit4classrunner.class) @springboottest public class companytests {  @autowired private webapplicationcontext webapplicationcontext;  @mock companyservice companyservicemock;  private mockmvc mockmvc;   @before public void setup() {     mockito.reset(companyservicemock);     mockmvc = mockmvcbuilders.webappcontextsetup(webapplicationcontext).build();     mockitoannotations.initmocks(this); }   @test public void shouldlistallcompanies() throws exception {     company company1 = new company("company1", new address());     company company2 = new company("company2", new address());      when(companyservicemock.findall()).thenreturn(arrays.aslist(company1, company2));      mockmvc.perform(get("/companies"))             .andexpect(status().isok())             .andexpect(view().name("companies"))             .andexpect(model().attribute("companies", hassize(2)))             .andexpect(model().attribute("companies", hasitem(                     allof(                             hasproperty("name", is("company1")))             )))             .andexpect(model().attribute("companies", hasitem(                     allof(                             hasproperty("name", is("company2"))                     )             )));  } }

the question why companies real service instead of mock (company1, company2):

java.lang.assertionerror: model attribute 'companies'      expected: collection containing (hasproperty("name", "company1"))      but: hasproperty("name", "company1") property 'name' "companyfromrealservice",       hasproperty("name", "company1") property 'name' "companyfromrealservice2"

updated test class, removed setup , changed @bean @mockbean, remain @springboottest , works:

@runwith(springjunit4classrunner.class) @springboottest @autoconfiguremockmvc public class companytests {  @mockbean private companyservice companyservicemock;  @autowired private mockmvc mockmvc;  @test @withmockuser(roles = "admin") public void shouldlistallcompanies() throws exception {     company company1 = new company("company1", new address());     company company2 = new company("company2", new address());      when(companyservicemock.findall()).thenreturn(arrays.aslist(company1, company2));      mockmvc.perform(get("/companies"))             .andexpect(status().isok())             .andexpect(view().name("companies"))             .andexpect(model().attribute("companies", hassize(2)))             .andexpect(model().attribute("companies", hasitem(                     allof(                             hasproperty("name", is("companyfromrealservice1")))             )))             .andexpect(model().attribute("companies", hasitem(                     allof(                             hasproperty("name", is("companyfromrealservice2"))                     )             ))); }

}

/it looks post code; please add more details.it looks post code; please add more details.

first of all, if testing controller slice of application, should use @webmvctest annotation instead of @springboottest (you can find more information here). can use : @webmvctest(companycontroller.class).

secondly why getting trouble mockmvc in setup() method? can erase setup method people suggest in comments , @autowire mockmvc.

finally, using spring boot, better use @mockbean instead of @mock wrapped version of inside spring library.


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