1. testdrevet javautvikling
på objektorienterte
skinner
Anders Sveen og Truls Jørgensen
JavaZoneX

3. Java er ikke morsomt eller sexy

4. Java7 er ikke morsomt eller sexy

10. hva du gjør er viktigere

12. rask oppstart
kjapp feedback
mindre kompleksitet
lett å integrere med tester

13. lite påtrengende
enkelt å utvide
enkelt å gå rundt
open source

16. en følelse av å være
produktiv

17. enkelt å legge til nye
features

20. endringsdyktig
objektorientert
kode

21. isolasjon
ansvarsdeling

22. if (soknad.getStatus().equals(VENTER)) {
soknad.setGodkjentDato(new Date());
soknad.setStatus(GODKJENT);
}
VS
if (soknad.kanGodkjennes()) {
soknad.godkjenn();
}

23. @Test
public skalTesteGodkjenning() {
}

24. @Test
public skalTesteGodkjenning() {
PersonRepository personRepo =
mock(PersonRepository.class);
when(personRepo)
.getPerson(any(Long))
.returnValue(TestDataProvider
.standardPerson().build());
}

25. @Test
public skalTesteGodkjenning() {
PersonRepository personRepo =
mock(PersonRepository.class);
when(personRepo)
.getPerson(any(Long))
.returnValue(TestDataProvider
.standardPerson().build());
SoknadService service =
new SoknadServiceImpl(personRepo);
Soknad soknad = TestDataProvider
.standardSoknad()
.status(GODKJENT).build();
}

26. @Test
public skalTesteGodkjenning() {
PersonRepository personRepo =
mock(PersonRepository.class);
when(personRepo)
.getPerson(any(Long))
.returnValue(TestDataProvider
.standardPerson().build());
SoknadService service =
new SoknadServiceImpl(personRepo);
Soknad soknad = TestDataProvider
.standardSoknad()
.status(GODKJENT).build();
assertFalse(service.godkjennSoknad(soknad));
}

27. @Test
public void skalTesteGodkjenning() {
Soknad soknad =
TestDataProvider
.standardSoknad()
.godkjent().build();
assertFalse(soknad.kanGodkjennes());
}

28. public class OrganizationNumber {
@NotBlank
@Digits(integer=9, fraction=0)
@Min(value=100000000)
@ValidOrganizationNumber
private String value;
}
@Valid
private OrganizationNumber organizationNumber;

29. public class OrganizationNumber {
@NotBlank
@Digits(integer=9, fraction=0)
@Min(value=100000000)
@ValidOrganizationNumber
private String value;
}
@Valid
@NotNull(groups=GodkjennSoknadContext.class)
private OrganizationNumber organizationNumber;

30. @RequestMapping(method =
RequestMethod.POST)
public String registerOrganization(
@Valid @ModelAttribute
Organization organization,
Errors errors) {
...
}

31. trygghet
til å gjøre endringer

33. lett
å skrive tester

34. Organization org =
OrganizationTestDataProvider
.defaultOrganization();

35. Organization org =
OrganizationTestDataProvider
.defaultOrganization()
.name(”¤Invalid")
.build();

36. Organization org =
OrganizationTestDataProvider
.defaultOrganization()
.withoutEmployees()
.build();

37. Organization org =
OrganizationTestDataProvider
.defaultOrganization ()
.withoutEmployees()
.build(entityManager);

39. @RequestMapping(method = RequestMethod.POST)
public String registerRequestInformation(
@Valid @ModelAttribute
InformationRequest informationRequest,
Errors errors) {
}

40. @RequestMapping(method = RequestMethod.POST)
public String registerRequestInformation(
@Valid @ModelAttribute
InformationRequest informationRequest,
Errors errors) {
this.orgRepo
.addInformationRequest(informationRequest);
}

41. @RequestMapping(method = RequestMethod.POST)
public String registerRequestInformation(
@Valid @ModelAttribute
InformationRequest informationRequest,
Errors errors) {
if (errors.hasErrors()) {
return VIEW_INFORMATION_REQUEST_FORM;
}
this.orgRepo
.addInformationRequest(informationRequest);
}

42. @RequestMapping(method = RequestMethod.POST)
public String registerRequestInformation(
@Valid @ModelAttribute
InformationRequest informationRequest,
Errors errors) {
if (errors.hasErrors()) {
return VIEW_INFORMATION_REQUEST_FORM;
}
this.orgRepo
.addInformationRequest(informationRequest);
return redirectTo(URL_INFORMATION_REQUEST);
}

43. @RequestMapping(method = RequestMethod.GET,
value = ”ir/{requestId}/received”)
public String registerRequestAsReceived(
@PathVariable Long requestId ) {
InformationRequest informationRequest =
this.orgRepo
.getInformationRequest( requestId );
informationRequest.received();
return redirectTo(
url("/", URL_INFORMATION_REQUEST));
}

44. @RequestMapping(method = RequestMethod.GET,
value = ”ir/{requestId}/received”)
public @ResponseBody InformationRequest
registerRequestAsReceived(
@PathVariable Long requestId) {
InformationRequest informationRequest =
this.orgRepo
.getInformationRequest(requestId);
return informationRequest;
}

45. oppsummert:

46. github.com/anderssv/jzx-weboo

47. Testdata builders http://nat.truemesh.com/archives/000714.html
Object mother http://martinfowler.com/bliki/ObjectMother.html
Jetty embedded http://docs.codehaus.org/display/JETTY/Embedding+Jetty
JSR 303 http://jcp.org/en/jsr/detail?id=303
Spring MVC http://static.springsource.org/spring/docs/3.0.x/spring-
framework-reference/html/mvc.html

49. 14.-15. november
Radisson Blu Plaza, Oslo
http://smidig2011.no