1 files changed, 28 insertions, 0 deletions
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Users/UserManagerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Users/UserManagerTests.cs
new file mode 100644
index 000000000..867dda29d
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Users/UserManagerTests.cs
@@ -0,0 +1,28 @@
+using System;
+using Jellyfin.Server.Implementations.Users;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.Users
+{
+    public class UserManagerTests
+    {
+        [Theory]
+        [InlineData("this_is_valid")]
+        [InlineData("this is also valid")]
+        [InlineData("0@_-' .")]
+        public void ThrowIfInvalidUsername_WhenValidUsername_DoesNotThrowArgumentException(string username)
+        {
+            var ex = Record.Exception(() => UserManager.ThrowIfInvalidUsername(username));
+            Assert.Null(ex);
+        }
+
+        [Theory]
+        [InlineData(" ")]
+        [InlineData("")]
+        [InlineData("special characters like & $ ? are not allowed")]
+        public void ThrowIfInvalidUsername_WhenInvalidUsername_ThrowsArgumentException(string username)
+        {
+            Assert.Throws<ArgumentException>(() => UserManager.ThrowIfInvalidUsername(username));
+        }
+    }
+}