2 files changed, 34 insertions, 0 deletions
diff --git a/BackEnd/Timeline.Tests/IntegratedTests/UserTest.cs b/BackEnd/Timeline.Tests/IntegratedTests/UserTest.cs
index 0c2e0b0d..55a37198 100644
--- a/BackEnd/Timeline.Tests/IntegratedTests/UserTest.cs
+++ b/BackEnd/Timeline.Tests/IntegratedTests/UserTest.cs
@@ -176,6 +176,13 @@ namespace Timeline.Tests.IntegratedTests
         }
 
         [Fact]
+        public async Task DeleteRootUser_Should_Error()
+        {
+            using var client = await CreateClientAsAdministrator();
+            await client.TestDeleteAssertErrorAsync("users/admin", errorCode: ErrorCodes.UserController.Delete_RootUser);
+        }
+
+        [Fact]
         public async Task Delete_InvalidModel()
         {
             using var client = await CreateClientAsAdministrator();
diff --git a/BackEnd/Timeline.Tests/Services/UserDeleteServiceTest.cs b/BackEnd/Timeline.Tests/Services/UserDeleteServiceTest.cs
new file mode 100644
index 00000000..be11564e
--- /dev/null
+++ b/BackEnd/Timeline.Tests/Services/UserDeleteServiceTest.cs
@@ -0,0 +1,27 @@
+using FluentAssertions;
+using Microsoft.Extensions.Logging.Abstractions;
+using Moq;
+using System.Threading.Tasks;
+using Timeline.Services;
+using Timeline.Services.Exceptions;
+using Xunit;
+
+namespace Timeline.Tests.Services
+{
+    public class UserDeleteServiceTest : DatabaseBasedTest
+    {
+        private readonly Mock<ITimelineService> _mockTimelineService = new Mock<ITimelineService>();
+        private UserDeleteService _service = default!;
+
+        protected override void OnDatabaseCreated()
+        {
+            _service = new UserDeleteService(NullLogger<UserDeleteService>.Instance, Database, _mockTimelineService.Object);
+        }
+
+        [Fact]
+        public async Task DeleteRootUser_Should_Throw()
+        {
+            await _service.Awaiting(s => s.DeleteUser("admin")).Should().ThrowAsync<InvalidOperationOnRootUserException>();
+        }
+    }
+}