[英]SpringBoot Junit testing for filters in Zuul
I'm new to Zuul J-unit testing.我是 Zuul J 单元测试的新手。 I have a couple of filters which is ChangeRequestEntityFilter and SessionFilter, Where I pasted my filtercode below.
我有几个过滤器,分别是 ChangeRequestEntityFilter 和 SessionFilter,我在下面粘贴了我的过滤器代码。 Can someone tell me how to write a Junit for the filter.
有人能告诉我如何为过滤器编写一个 Junit。 I've searched and trying to use MockWire for the unit testing(Also I pasted my empty methods with basic annotations and WireMock port).
我已经搜索并尝试使用 MockWire 进行单元测试(我还粘贴了带有基本注释和 WireMock 端口的空方法)。 I need at-least one proper example how this J-unit for Zuul works.
我至少需要一个合适的例子来说明这个用于 Zuul 的 J-unit 是如何工作的。 I've referred the http://wiremock.org/docs/getting-started/ doc.
我已经提到了http://wiremock.org/docs/getting-started/ doc。 Where I got what to do, but not how to do.
我在哪里可以做什么,但不知道怎么做。
public class ChangeRequestEntityFilter extends ZuulFilter {
@Autowired
private UtilityHelperBean utilityHelperBean;
@Override
public boolean shouldFilter() {
// //avoid http GET request since it does'nt have any request body
return utilityHelperBean.isValidContentBody();
}
@Override
public int filterOrder() {
//given priority
}
@Override
public String filterType() {
// Pre
}
@Override
public Object run() {
RequestContext context = getCurrentContext();
try {
/** get values profile details from session */
Map<String, Object> profileMap = utilityHelperBean.getValuesFromSession(context,
CommonConstant.PROFILE.value());
if (profileMap != null) {
/** get new attributes need to add to the actual origin microservice request payload */
Map<String, Object> profileAttributeMap = utilityHelperBean.getProfileForRequest(context, profileMap);
/** add the new attributes in to the current request payload */
context.setRequest(new CustomHttpServletRequestWrapper(context.getRequest(), profileAttributeMap));
}
} catch (Exception ex) {
ReflectionUtils.rethrowRuntimeException(new IllegalStateException("ChangeRequestEntityFilter : ", ex));
}
return null;
}
}
I know ,I'm asking more.我知道,我要问更多。 But give me any simple working complete example, I'm fine with it.
但是给我任何简单的工作完整示例,我很好。
My current code with basic annotations and WireMock port.我当前的代码带有基本注释和 WireMock 端口。
@RunWith(SpringRunner.class)
@SpringBootTest
@DirtiesContext
@EnableZuulProxy
public class ChangeRequestEntityFilterTest {
@Rule
public WireMockRule wireMockRule = new WireMockRule(8080);
@Mock
ChangeRequestEntityFilter requestEntityFilter;
int port = wireMockRule.port();
@Test
public void changeRequestTest() {
}
}
Have you tried @MockBean?你有没有试过@MockBean?
https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/test/mock/mockito/MockBean.html https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/test/mock/mockito/MockBean.html
"When @MockBean is used on a field, as well as being registered in the application context, the mock will also be injected into the field. Typical usage might be:" “当@MockBean 在一个字段上使用时,以及在应用程序上下文中注册时,模拟也将被注入到该字段中。典型用法可能是:”
@RunWith(SpringRunner.class)
public class ExampleTests {
@MockBean
private ExampleService service;
@Autowired
private UserOfService userOfService;
@Test
public void testUserOfService() {
given(this.service.greet()).willReturn("Hello");
String actual = this.userOfService.makeUse();
assertEquals("Was: Hello", actual);
}
@Configuration
@Import(UserOfService.class) // A @Component injected with ExampleService
static class Config {
}
}
Here there is another approach:这里有另一种方法:
private ZuulPostFilter zuulPostFilter;
@Mock
private anotherService anotherService;
@Mock
private HttpServletRequest request;
@Before
public void before() {
MockitoAnnotations.initMocks(this);
MonitoringHelper.initMocks();
zuulPostFilter = new ZuulPostFilter(anotherService);
doNothing().when(anotherService).saveInformation(null, false);
}
@Test
public void postFilterTest() {
log.info("postFilterTest");
RequestContext context = new RequestContext();
context.setResponseDataStream(new ByteArrayInputStream("Test Stream".getBytes()));
context.setResponseGZipped(false);
RequestContext.testSetCurrentContext(context);
when(request.getScheme()).thenReturn("HTTP");
RequestContext.getCurrentContext().setRequest(request);
ZuulFilterResult result = zuulPostFilter.runFilter();
assertEquals(ExecutionStatus.SUCCESS, result.getStatus());
assertEquals("post", zuulPostFilter.filterType());
assertEquals(10, zuulPostFilter.filterOrder());
}
In this case you can test the filter and mock the services inside it without having to autowire it, the problem with the @autowired is that if you have services inside the filter, then it is going to be an integration test that is going to be more difficult to implement.在这种情况下,您可以测试过滤器并模拟其中的服务,而无需自动装配它,@autowired 的问题在于,如果您在过滤器中有服务,那么它将是一个集成测试更难实施。
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