Created
April 8, 2019 22:45
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ArgumentCaptor
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public String processFindForm(Owner owner, BindingResult result, Model model){ | |
// allow parameterless GET request for /owners to return all records | |
if (owner.getLastName() == null) { | |
owner.setLastName(""); // empty string signifies broadest possible search | |
} | |
// find owners by last name | |
List<Owner> results = ownerService.findAllByLastNameLike("%"+ owner.getLastName() + "%"); | |
if (results.isEmpty()) { | |
// no owners found | |
result.rejectValue("lastName", "notFound", "not found"); | |
return "owners/findOwners"; | |
} else if (results.size() == 1) { | |
// 1 owner found | |
owner = results.get(0); | |
return "redirect:/owners/" + owner.getId(); | |
} else { | |
// multiple owners found | |
model.addAttribute("selections", results); | |
return "owners/ownersList"; | |
} | |
} |
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@Test | |
void testProcessFindForm() { | |
// given | |
Owner owner = new Owner(1l, "Shin", "Daewook"); | |
List<Owner> owners = new ArrayList<>(); | |
final ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class); | |
given(ownerService.findAllByLastNameLike(captor.capture())).willReturn(owners); | |
// when | |
String result = ownerController.processFindForm(owner, bindingResult, null); | |
// then | |
assertThat("%Daewook%").isEqualToIgnoringCase(captor.getValue()); | |
} |
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@Captor | |
ArgumentCaptor<String> stringArgumentCaptor; | |
@Test | |
void testProcessFindFormAnnotation() { | |
// given | |
Owner owner = new Owner(1l, "Shin", "Daewook"); | |
List<Owner> owners = new ArrayList<>(); | |
final ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class); | |
given(ownerService.findAllByLastNameLike(stringArgumentCaptor.capture())).willReturn(owners); | |
// when | |
String result = ownerController.processFindForm(owner, bindingResult, null); | |
// then | |
assertThat("%Daewook%").isEqualToIgnoringCase(stringArgumentCaptor.getValue()); | |
} |
Argument Matcher와 다른 점은 따로 클래스를 만들 필요가 없다는 점, 그리고 verification에만 사용할 수 있다는 점이다.
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ArgumentCaptor을 사용하여 특정 메소드에 사용되는 아규먼트를 capture(저장) 해놓았다가 나중에 다시 사용(getValue)할 수 있다. 아큐먼트의 값(혹은 객체) 에 대해서도 테스트를 진행하기 위해 사용한다.