backend/src/test/java/org/raddatz/familienarchiv/user/InviteControllerTest.java

@@ -20,10 +20,13 @@ import org.springframework.security.test.context.support.WithMockUser;
 import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.springframework.test.web.servlet.MockMvc;
 
+import org.mockito.ArgumentCaptor;
+
 import java.time.LocalDateTime;
 import java.util.List;
 import java.util.UUID;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -147,6 +150,30 @@ class InviteControllerTest {
                 .andExpect(jsonPath("$.label").value("Für Familie"));
     }
 
+    @Test
+    @WithMockUser(username = "admin@test.com", authorities = {"ADMIN_USER"})
+    void createInvite_forwardsGroupIdsToService() throws Exception {
+        UUID groupId = UUID.randomUUID();
+        AppUser admin = AppUser.builder().id(UUID.randomUUID()).email("admin@test.com").build();
+        when(userService.findByEmail("admin@test.com")).thenReturn(admin);
+
+        InviteToken savedToken = InviteToken.builder()
+                .id(UUID.randomUUID()).code("ABCDE12345").useCount(0).build();
+        when(inviteService.createInvite(any(), eq(admin))).thenReturn(savedToken);
+        when(inviteService.toListItemDTO(any(), anyString()))
+                .thenReturn(makeInviteDTO(savedToken.getId(), "ABCDE12345"));
+
+        String body = "{\"groupIds\":[\"" + groupId + "\"]}";
+        mockMvc.perform(post("/api/invites")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(body))
+                .andExpect(status().isCreated());
+
+        ArgumentCaptor<CreateInviteRequest> captor = ArgumentCaptor.forClass(CreateInviteRequest.class);
+        verify(inviteService).createInvite(captor.capture(), eq(admin));
+        assertThat(captor.getValue().getGroupIds()).containsExactly(groupId);
+    }
+
     // ─── DELETE /api/invites/{id} ─────────────────────────────────────────────
 
     @Test