using JobTrackerApi.Models;
using JobTrackerApi.Services;
using System.Text.Json;
using Xunit;
namespace JobTrackerApi.Tests;
public sealed class CoverLetterDocumentContractTests
{
[Theory]
[InlineData("en", "Cover letter", "Cover letter text")]
[InlineData("nb-NO", "Søknadsbrev", "Brevtekst")]
public void Empty_optional_details_do_not_create_empty_headings_or_an_unnamed_main_landmark(string language, string title, string bodyLabel)
{
var html = new CoverLetterDocumentRenderer().Render("Reviewed body", new() { Language = language }).Html;
Assert.DoesNotContain("", html);
Assert.DoesNotContain("", html);
Assert.Contains($"{System.Net.WebUtility.HtmlEncode(title)}", html);
Assert.Contains($"", html);
}
[Theory]
[InlineData(null, "en")]
[InlineData("{}", "en")]
[InlineData("{\"senderName\":\"Legacy sender\"}", "en")]
[InlineData("{\"language\":\"en\"}", "en")]
[InlineData("{\"language\":\"nb\"}", "nb-NO")]
[InlineData("{\"language\":\"nb-NO\"}", "nb-NO")]
[InlineData("{\"language\":\" NB-no \"}", "nb-NO")]
[InlineData("{\"language\":null}", "en")]
[InlineData("{\"language\":\"fr\"}", "en")]
[InlineData("{\"language\":\"en\\\" onload=alert(1)\"}", "en")]
public void Document_language_defaults_normalizes_and_roundtrips_only_supported_values(string? json, string expected)
{
var settings = CoverLetterDocumentSettingsJson.Deserialize(json);
var normalized = CoverLetterDocumentSettingsJson.Serialize(settings);
Assert.Equal(expected, JsonDocument.Parse(normalized).RootElement.GetProperty("language").GetString());
Assert.Equal(normalized, CoverLetterDocumentSettingsJson.Serialize(CoverLetterDocumentSettingsJson.Deserialize(normalized)));
var html = new CoverLetterDocumentRenderer().Render("Reviewed letter — æøå", settings).Html;
Assert.Contains($"", html);
Assert.DoesNotContain("onload=", html);
}
[Fact]
public void Document_style_reuses_cv_allowlists_clamps_non_finite_values_and_escapes_all_metadata()
{
var settings = CoverLetterDocumentSettingsJson.Normalize(new()
{
ThemeId = "unknown", BodyFont = "Arial; background:url(https://invalid.test)", AccentColor = "#fff;bad",
BaseFontSizePt = 100, LineHeight = double.PositiveInfinity, PageMarginMm = -10, PageSize = "