[Gepardec/mega#686] add tests for liveness util

src/main/java/com/gepardec/mega/application/health/LivenessUtil.java

@@ -16,7 +16,8 @@ public class LivenessUtil {
     @RestClient
     PersonioHealthClient personioHealthClient;
 
-    @Inject @RestClient
+    @Inject
+    @RestClient
     ZepHealthRestClient zepHealthRestClient;
 
     public HealthCheckResponse getResponseForPersonio() {

src/test/java/com/gepardec/mega/application/utils/LivenessUtilTest.java

@@ -0,0 +1,73 @@
+package com.gepardec.mega.application.utils;
+
+import com.gepardec.mega.application.health.LivenessUtil;
+import com.gepardec.mega.personio.PersonioHealthClient;
+import com.gepardec.mega.zep.rest.client.ZepHealthRestClient;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.mockito.InjectMock;
+import jakarta.inject.Inject;
+import jakarta.ws.rs.core.Response;
+import org.eclipse.microprofile.health.HealthCheckResponse;
+import org.eclipse.microprofile.rest.client.inject.RestClient;
+import org.junit.jupiter.api.Test;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.mockito.Mockito.when;
+
+@QuarkusTest
+public class LivenessUtilTest {
+    @Inject
+    LivenessUtil livenessUtil;
+
+    @InjectMock
+    @RestClient
+    PersonioHealthClient personioHealthClient;
+
+    @InjectMock
+    @RestClient
+    ZepHealthRestClient zepHealthRestClient;
+
+
+    @Test
+    void getResponseForPersonio_whenPersonioIsUp_returnHealthCheckResponseWithStatusUp() {
+        when(personioHealthClient.health()).thenReturn(getOkResponse());
+        HealthCheckResponse actual = livenessUtil.getResponseForPersonio();
+
+       assertThat(actual.getName()).isEqualTo("Personio Liveness");
+       assertThat(actual.getStatus()).isEqualTo(HealthCheckResponse.Status.UP);
+    }
+
+    @Test
+    void getResponseForPersonio_whenPersonioIsDown_returnHealthCheckResponseWithStatusDown() {
+        when(personioHealthClient.health()).thenReturn(getErrorResponse());
+        HealthCheckResponse actual = livenessUtil.getResponseForPersonio();
+
+        assertThat(actual.getName()).isEqualTo("Personio Liveness");
+        assertThat(actual.getStatus()).isEqualTo(HealthCheckResponse.Status.DOWN);
+    }
+
+    @Test
+    void getResponseForZep_whenZepIsUp_returnHealthCheckResponseWithStatusUp() {
+        when(zepHealthRestClient.health()).thenReturn(getOkResponse());
+        HealthCheckResponse actual = livenessUtil.getResponseForZep();
+
+        assertThat(actual.getName()).isEqualTo("Zep Liveness");
+        assertThat(actual.getStatus()).isEqualTo(HealthCheckResponse.Status.UP);
+    }
+
+    @Test
+    void getResponseForZep_whenZepIsDown_returnHealthCheckResponseWithStatusDown() {
+        when(zepHealthRestClient.health()).thenReturn(getErrorResponse());
+        HealthCheckResponse actual = livenessUtil.getResponseForZep();
+
+        assertThat(actual.getName()).isEqualTo("Zep Liveness");
+        assertThat(actual.getStatus()).isEqualTo(HealthCheckResponse.Status.DOWN);
+    }
+
+    private Response getOkResponse() {
+        return Response.ok().build();
+    }
+
+    private Response getErrorResponse() {
+        return Response.serverError().build();
+    }
+}