shoc-backend/SeaHavenIndustries.Tests/WorkOrderNumberNormalizerTests.cs

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);
    }

    [Theory]
    [InlineData("SH00001", "SH00001")]
    [InlineData(" sh00001 ", "SH00001")]
    [InlineData("SH-00001", "SH00001")]
    [InlineData("SH1", "SH00001")]
    [InlineData("SH123456789", "SH123456789")]
    public void TryNormalize_KeepsShPlaceholderPrefix(string input, string expected)
    {
        var ok = WorkOrderNumberNormalizer.TryNormalize(input, out var normalized, out var error);

        Assert.True(ok);
        Assert.Null(error);
        Assert.Equal(expected, normalized);
    }

    [Theory]
    [InlineData("SH")]
    [InlineData("SH1234567890")]
    public void TryNormalize_RejectsInvalidShPlaceholder(string input)
    {
        var ok = WorkOrderNumberNormalizer.TryNormalize(input, out _, out var error);

        Assert.False(ok);
        Assert.NotNull(error);
    }
}