diff --git a/AsbCloudWebApi.Tests/ServicesTests/UserServiceTest.cs b/AsbCloudWebApi.Tests/ServicesTests/UserServiceTest.cs
new file mode 100644
index 00000000..f662823e
--- /dev/null
+++ b/AsbCloudWebApi.Tests/ServicesTests/UserServiceTest.cs
@@ -0,0 +1,75 @@
+using AsbCloudApp.Data;
+using AsbCloudApp.Services;
+using AsbCloudDb.Model;
+using AsbCloudInfrastructure.Services;
+using AsbCloudInfrastructure.Services.Cache;
+using Moq;
+using System;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace AsbCloudWebApi.Tests.ServicesTests
+{
+    public class UserServiceTest
+    {
+        private readonly AsbCloudDbContext context;
+        private readonly CacheDb cacheDb;
+        private readonly Mock<IUserRoleService> roleService;
+
+        public UserServiceTest()
+        {
+            context = TestHelpter.MakeTestContext();
+            cacheDb = new CacheDb();
+            roleService = new Mock<IUserRoleService>();
+
+            context.Users.RemoveRange(context.Users.Where(u => u.Id > 1));
+            context.SaveChanges();
+        }
+
+        ~UserServiceTest()
+        {
+            context.Users.RemoveRange(context.Users.Where(u => u.Id > 1));
+            context.SaveChanges();
+        }
+
+        [Fact]
+        public async Task InsertAsync_returns_id()
+        {            
+            var service = new UserService(context, cacheDb, roleService.Object);
+            var dto = new UserExtendedDto
+            {
+                Id = 0,
+                IdCompany = 1,
+                Email = "test@test.test",
+                Login = "test",
+                Name = "test",
+                Company = new CompanyDto { Caption = "test", Id = 1 },
+                Patronymic = "test",
+                Phone = "test",
+                Position = "test",
+                Surname = "test",
+
+            };
+            var id = await service.InsertAsync(dto, CancellationToken.None);
+
+            Assert.NotEqual(0, id);
+        }
+
+        [Fact]
+        public async Task InsertAsync_busy_login_throws_exceprion()
+        {
+            var service = new UserService(context, cacheDb, roleService.Object);
+            var dto = new UserExtendedDto
+            {
+                Id = 5,
+                Email = "test@test.test",
+                Login = "test clone"
+            };
+
+            await service.InsertAsync(dto, CancellationToken.None);
+            await Assert.ThrowsAsync<ArgumentException>(() => service.InsertAsync(dto, CancellationToken.None));
+        }
+    }
+}