我有一个带注释的Spring-Jersey应用程序。我正在尝试使用JerseyTest
为我的控制器设置单元测试。我在运行测试时遇到以下错误,我无法弄清楚。我错过了什么?
SEVERE: Following issues have been detected:
WARNING: No injection source found for a parameter of type public com.example.services.dto.UnitDto com.example.apis.UnitResource.getUnits(com.example.services.dto.PointDto) throws com.example.exceptions.PointOutsideBounds at index 2.
Validation of the application resource model has failed during application initialization.
[[FATAL] No injection source found for a parameter of type public com.example.services.dto.UnitDto com.example.apis.UnitResource.getUnits(com.example.services.dto.PointDto) throws com.example.exceptions.PointOutsideBounds at index 2.; source='ResourceMethod{httpMethod=GET, consumedTypes=[], producedTypes=[application/json], suspended=false, suspendTimeout=0, suspendTimeoutUnit=MILLISECONDS, invocable=Invocable{handler=ClassBasedMethodHandler{handlerClass=class com.example.apis.UnitResource, handlerConstructors=[org.glassfish.jersey.server.model.HandlerConstructor@31a5870e]}, definitionMethod=public com.example.services.dto.UnitDto com.example.apis.UnitResource.getUnits(com.example.services.dto.PointDto) throws com.example.exceptions.PointOutsideBounds, parameters=[Parameter [type=class com.example.services.dto.PointDto, source=contains, defaultValue=null]], responseType=class com.example.services.dto.UnitDto}, nameBindings=[]}']
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:555)
控制器类如下:
@Component
@Path("/app/units")
public class UnitResource {
@Context
private UriInfo uriInfo;
@Context
private Request request;
@Inject
private UnitService unitService;
@Inject
public UnitResource(@Named("UnitService") UnitService unitService) {
this.unitService = unitService;
}
@GET
@Produces(MediaType.APPLICATION_JSON)
@Timed(absolute = true, name = "getUnitForPoint")
public UnitDto getUnits(@QueryParam("contains") @NotNull PointDto point) throws PointOutsideBounds {
return unitService.getUnitForPoint(point);
}
}
测试类如下:
public class UnitResourceTest extends JerseyTest {
@Mock
private UnitService unitService;
@Override
protected ResourceConfig configure() {
ResourceConfig rc = new ResourceConfig()
// .register(new UnitResource(Mockito.mock(UnitService.class))) -- has the same effect
.register(UnitResource.class)
.property("contextConfig", new AnnotationConfigApplicationContext(ApplicationConfiguration.class));
enable(TestProperties.LOG_TRAFFIC);
enable(TestProperties.DUMP_ENTITY);
forceSet(TestProperties.CONTAINER_PORT, "0");
return rc;
}
@Before
public void setUp() throws Exception {
super.setUp();
initMocks(this);
}
@Override
protected TestContainerFactory getTestContainerFactory() {
return new InMemoryTestContainerFactory();
}
@Test
public void testGetUnit() throws PointOutsideBounds {
Response response = target()
.path("/app/units")
.queryParam("contains", new Point(0.0,0.0).toJson())
.request(MediaType.APPLICATION_JSON_TYPE)
.get();
assertThat(response.getStatus(), is(Response.Status.OK));
}
}
应用程序配置类是:
@Configuration
@ComponentScan("com.example")
public class ApplicationConfiguration {
@Bean(name="UnitService")
public UnitService unitService() {
return new UnitService();
}
}
测试配置的My Gradle依赖项是:
dependencies {
// Using junit-dep package to get junit without hamcrest dependency
testCompile("junit:junit-dep:4.8.2")
testCompile("org.hamcrest:hamcrest-all:1.3")
testCompile("org.mockito:mockito-all:1.8.4")
testCompile ('org.glassfish.jersey.test-framework:jersey-test-framework-core:2.22.2')
testCompile('org.glassfish.jersey.test-framework.providers:jersey-test-framework-provider-inmemory:2.22.2')
}
configurations {
testCompile.exclude group: 'org.glassfish.jersey.ext', module: 'jersey-spring3'
}
答案 0 :(得分:0)
注意:在大多数情况下,此答案适用于所有@XxxParam
带注释的参数。
PointDto
参数似乎是问题
public UnitDto getUnits(@QueryParam("contains") @NotNull PointDto point)
查询参数是字符串。 Jersey能够将该String转换为一些基本类型,如int
,boolean
,Date
等。但它不知道如何从该字符串创建PointDto
。这并不意味着我们无法使用自定义类型。我们只需遵循一些规则:
有一个接受String的构造函数。然后我们需要自己从String构造对象。例如
public PointDto(String param) {
Map<String, Object> map = parseJson(param);
this.field1 = map.get("field1");
this.field2 = map.get("field2");
}
这有点工作。
另一种选择是在课堂上使用静态fromString(String)
或静态valueOf(String)
。 Jersey将调用此方法来构造对象。例如,您可以拥有PointDto
类
public static PointDto fromString(String param) {
PointDto dto = parseJson(param);
return dto;
}
您可以拥有ParamConverterProvider
。我不会举一个例子,但你可以在this good article中阅读更多关于如何实现它的内容。您还可以看到this post
请注意,此答案中显示的信息位于@QueryParam
的javadoc中。