Integration test of Spring Boot Configuration service to validate no errors in configuration served for services and profiles

ConfigurationServiceTest.java

package org.example.config;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.test.context.junit4.SpringRunner;

import java.util.List;
import java.util.Map;

import static org.junit.Assert.*;

/**
 *
 * Test to make sure configuration can be served up for all services and profiles.  This catches any syntax errors
 * in the confuguration YAML.
 *
 */
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment= SpringBootTest.WebEnvironment.RANDOM_PORT)
public class ConfigurationServiceTest {

    @Autowired
    private TestRestTemplate testRestTemplate;

    String[] SERVICES = {
            "my-service",
            "my-other-service",
            "some-thrid-service",
    };

    String[][] PROFILES = {
            {"default"},
            {"dev"},
            {"dev", "sandbox"},
            {"dev", "live"},
            {"stage"},
            {"stage", "sandbox"},
            {"stage", "live"},
            {"production"},
            {"production", "sandbox"},
            {"production", "live"},
    };

    @Test
    public void testServiceConfigurations() {


        for (String serviceName: SERVICES) {
            for (String[] profileNames: PROFILES) {
                testServiceWithProfiles(serviceName, profileNames);
            }
        }

    }

    private void testServiceWithProfiles(String serviceName, String[] profileNames) {

        String joinedProfiles = String.join(",", profileNames);
        String path = "/" + serviceName + "/" + joinedProfiles;
        System.out.println("Testing: " + path);
        Map response = testRestTemplate.getForObject(path, Map.class);
        validateResponse(response, serviceName, joinedProfiles);

    }

    public void validateResponse(Map response, String serviceName, String profileNames) {


        assertNotNull("Failed to get configuration for service:" + serviceName + ", profiles: " + profileNames, response);
        String error = (String) response.get("error");
        if (error != null) {
            System.out.println("  status: " + response.get("status"));
            System.out.println("  error: " + response.get("error"));
            System.out.println("  message: " + response.get("message"));
            fail("Error getting configuration for service: " + serviceName + ", profiles: " + profileNames);
        }
        
        System.out.println("  name: " + response.get("name"));
        assertEquals(serviceName, response.get("name"));
        List profiles = (List) response.get("profiles");
        assertEquals(1, profiles.size());
        assertEquals(profiles.get(0), profileNames);
        List propertySources = (List) response.get("propertySources");
        assertTrue(propertySources.size() >= 1);
        propertySources.forEach(p -> validatePropertySource((Map) p));
    }

    private void validatePropertySource(Map propertySource) {
        System.out.println("    propertySource: " + propertySource.get("name"));
        Map source = (Map) propertySource.get("source");

        System.out.println("    config_source: " + source.get("config_source"));
        //assertNotNull(source.get("config_source"));
    }

}