NotFound Failure in Spring Integration Test of Health Indicator - spring-boot

Question

I want to write a simple test for a custom HealthIndicator, which is defined in its own module separated from the module of the Spring application.
The HealthIndicator is pretty simple:
#Component
public class MyHealthIndicator implements HealthIndicator {
public Health health() {
return Health.up().withDetail("my-health", "okay").build();
}
}
This is the test:
#WebAppConfiguration
#ContextConfiguration(classes = {TestConfiguration.class, MyHealthIndicator.class})
#ExtendWith(SpringExtension.class)
class MyHealthIndicatorTests {
#Autowired
private MockMvc mockMvc;
#Test
public void healthTest() throws Exception {
mockMvc.perform(get("/management/health")).andExpect(status().isOk());
}
}
And this is the simple Test Configuration:
#Configuration
#EnableWebMvc
#ImportAutoConfiguration(classes = {HealthEndpointAutoConfiguration.class, MockMvcAutoConfiguration.class})
#TestPropertySource(properties = {"debug:true", "management.endpoints.enabled-by-default:true",
"management.endpoints.web.base-path:/management", "management.endpoints.web.exposure.include=health"})
public class TestConfiguration {
}
The test of the health endpoint returns a 404 - Not Found.
In the logs I see that the TestDispatcherServlet has no mapping for the health endpoint:
12:48:38.309 [main] WARN org.springframework.web.servlet.PageNotFound - No mapping for GET /management/health
but why?
In the logs I see also that the HealthEndpoint actually is created:
12:48:38.013 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'healthEndpoint'
But the mapping in the TestDispatcherServlet seems not to be configured. How can I enable the mapping?
Please note: I want to test my Health Indicator without a SpringBootApplication. Isn't that possible at all?
Edit:
Nothing special in the POM:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

Answer 1

Looks like a typo in defining the test property source.
Instead of
management.endpoints.web.base-path:/management
management.endpoints.enabled-by-default:true
it should be
management.endpoints.web.base-path=/management
management.endpoints.enabled-by-default=true