Merge pull request #14 from hmcts/feature/amp-148-root-endpoint

feature: api-148 add root endpoint to satisfy helm config which hits …

Author: coling01

src/apiTest/java/uk/gov/hmcts/cp/subscription/http/ActuatorApiTest.java

@@ -16,7 +16,18 @@ class ActuatorApiTest {
     private final RestTemplate http = new RestTemplate();
 
     @Test
-    void health_is_up() {
+    void root_endpoint_should_be_ok() {
+        final ResponseEntity<String> res = http.exchange(
+                baseUrl + "/", HttpMethod.GET,
+                new HttpEntity<>(new HttpHeaders()),
+                String.class
+        );
+        assertThat(res.getStatusCode()).isEqualTo(HttpStatus.OK);
+        assertThat(res.getBody()).contains("DEPRECATED root endpoint");
+    }
+
+    @Test
+    void health_endpoint_should_be_up() {
         final ResponseEntity<String> res = http.exchange(
                 baseUrl + "/actuator/health", HttpMethod.GET,
                 new HttpEntity<>(new HttpHeaders()),

src/main/java/uk/gov/hmcts/cp/subscription/controllers/RootController.java

@@ -0,0 +1,22 @@
+package uk.gov.hmcts.cp.subscription.controllers;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import static org.springframework.http.ResponseEntity.ok;
+
+@RestController
+@Slf4j
+public class RootController {
+
+    /**
+     * Root GET endpoint. Temp solution. The deployment helm charts are set to perform health checks using /
+     * Once we understand the helm better we will amend tne halth checks to use /actuator/info
+     */
+    @GetMapping("/")
+    public ResponseEntity<String> root() {
+        return ok("DEPRECATED root endpoint");
+    }
+}

src/test/java/uk/gov/hmcts/cp/subscription/controllers/RootControllerTest.java

@@ -0,0 +1,22 @@
+package uk.gov.hmcts.cp.subscription.controllers;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ExtendWith(MockitoExtension.class)
+class RootControllerTest {
+
+    @InjectMocks
+    RootController rootController;
+
+    @Test
+    void update_controller_should_call_service() {
+        var result = rootController.root();
+        assertThat(result.getStatusCode().value()).isEqualTo(200);
+        assertThat(result.getBody()).isEqualTo("DEPRECATED root endpoint");
+    }
+}