using SeaHaven.Services.Helpers; namespace SeaHavenIndustries.Tests; public class WorkOrderNumberNormalizerTests { [Fact] public void TryNormalize_PadsToElevenDigits() { var ok = WorkOrderNumberNormalizer.TryNormalize("12345", out var normalized, out var error); Assert.True(ok); Assert.Null(error); Assert.Equal("00000012345", normalized); } [Fact] public void TryNormalize_AcceptsElevenDigits() { var ok = WorkOrderNumberNormalizer.TryNormalize("10000000001", out var normalized, out _); Assert.True(ok); Assert.Equal("10000000001", normalized); } [Fact] public void TryNormalize_RejectsEmpty() { var ok = WorkOrderNumberNormalizer.TryNormalize("", out _, out var error); Assert.False(ok); Assert.NotNull(error); } [Fact] public void TryNormalize_RejectsTooLong() { var ok = WorkOrderNumberNormalizer.TryNormalize("123456789012", out _, out var error); Assert.False(ok); Assert.Contains("11", error); } }