unit-testing - Spring 引导配置文件。如何测试？

Question

如何测试我的配置文件？

这是我的测试

    @Test
public void testDevProfile() throws Exception {
    System.setProperty("spring.profiles.active", "dev");
    Application.main(new String[0]);
    String output = this.outputCapture.toString();
    Assert.assertTrue(output.contains("The following profiles are active: dev"));
}

@Test
public void testUatProfile() throws Exception {
    System.setProperty("spring.profiles.active", "uat");
    Application.main(new String[0]);
    String output = this.outputCapture.toString();
    Assert.assertTrue(output.contains("The following profiles are active: uat"));
}

@Test
public void testPrdProfile() throws Exception {
    System.setProperty("spring.profiles.active", "prd");
    Application.main(new String[0]);
    String output = this.outputCapture.toString();
    Assert.assertFalse(output.contains("The following profiles are active: uat"));
    Assert.assertFalse(output.contains("The following profiles are active: dev"));
    Assert.assertFalse(output.contains("The following profiles are active: default"));
}

我的第一个测试执行正常，但其他测试失败。

org.springframework.jmx.export.UnableToRegisterMBeanException: Unable to register MBean [org.springframework.boot.actuate.endpoint.jmx.DataEndpointMBean@6cbe68e9] with key 'requestMappingEndpoint'; nested exception is javax.management.InstanceAlreadyExistsException: org.springframework.boot:type=Endpoint,name=requestMappingEndpoint

如何在下一次测试开始前停止实例？或者哪种方法更好？

谢谢

Answer 1

我会这样做:

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = SpringBootApp.class)
@ActiveProfiles("dev")
public class ProfileDevTest {

    @Value("${someProperty}")
    private String someProperty;

    @Test
    public void testProperty() {
        assertEquals("dev-value", someProperty);
    }
}

上面的代码假设你有一个像这样的application-dev.properties:

someProperty=dev-value

我将为您希望测试的每个配置文件进行一个测试 class，上面的这个是针对配置文件 dev 的。如果您必须对事件配置文件(而不是属性)进行测试，您可以这样做:

@Autowired
private Environment environment;

@Test
public void testActiveProfiles() {
    assertArrayEquals(new String[]{"dev"}, environment.getActiveProfiles());        
}