diff --git a/JobTrackerApi.MariaDb.Tests/CoverLetterDocumentPersistenceTests.cs b/JobTrackerApi.MariaDb.Tests/CoverLetterDocumentPersistenceTests.cs
new file mode 100644
index 0000000..aa0415a
--- /dev/null
+++ b/JobTrackerApi.MariaDb.Tests/CoverLetterDocumentPersistenceTests.cs
@@ -0,0 +1,193 @@
+using System.Security.Claims;
+using JobTrackerApi.Controllers;
+using JobTrackerApi.Models;
+using JobTrackerApi.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Moq;
+using Xunit;
+
+namespace JobTrackerApi.MariaDb.Tests;
+
+public sealed partial class CoverLetterWriterTests
+{
+ [Fact]
+ public async Task Document_schema_upgrade_preserves_legacy_letter_history_and_frozen_rows_on_mariadb()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, " old exact letter ");
+ db.CoverLetterVersions.Add(new() { OwnerUserId = Owner, JobApplicationId = job.Id, Version = 7, Text = " old history ", Source = CoverLetterSources.Ai });
+ db.SubmittedApplicationPackages.Add(new() { OwnerUserId = Owner, JobApplicationId = job.Id, Version = 1, CoverLetterText = " old frozen letter ", RenderedCvHtml = "
unchanged CV
" });
+ await db.SaveChangesAsync();
+ await db.GetService().MigrateAsync("20261023090000_AddJobRevision");
+ db.ChangeTracker.Clear();
+ await db.GetService().MigrateAsync();
+ var actual = await db.JobApplications.AsNoTracking().SingleAsync();
+ Assert.Equal(" old exact letter ", actual.CoverLetterText);
+ Assert.Equal(1, actual.Version);
+ Assert.Null(actual.CoverLetterDocumentSettingsJson);
+ var historical = await db.CoverLetterVersions.AsNoTracking().SingleAsync();
+ Assert.Equal(7, historical.Version);
+ Assert.Equal(" old history ", historical.Text);
+ Assert.Equal(CoverLetterSources.Ai, historical.Source);
+ Assert.Null(historical.DocumentSettingsJson);
+ var frozen = await db.SubmittedApplicationPackages.AsNoTracking().SingleAsync();
+ Assert.Equal(" old frozen letter ", frozen.CoverLetterText);
+ Assert.Equal("unchanged CV
", frozen.RenderedCvHtml);
+ Assert.Null(frozen.CoverLetterDocumentSettingsJson);
+ Assert.Null(frozen.RenderedCoverLetterHtml);
+ Assert.Empty(await db.Database.GetPendingMigrationsAsync());
+ }
+
+ [Fact]
+ public async Task Document_settings_only_saves_advance_shared_revision_preserve_omission_and_restore_old_defaults()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, "same body");
+ var service = Assets(db);
+ var saved = await service.SaveCoverLetterAsync(Owner, job.Id, "same body", CoverLetterSources.Manual, null, job.Version, default,
+ new() { SenderName = "Reviewed sender", ThemeId = "minimal", AccentColor = "#123456", SourceCvId = 42 });
+ Assert.Equal(2, saved!.Revision);
+ Assert.Equal(2, saved.CurrentVersion);
+ Assert.Equal("Reviewed sender", saved.DocumentSettings!.SenderName);
+ Assert.Equal("same body", saved.Text);
+ var baseline = await db.CoverLetterVersions.SingleAsync(x => x.Version == 1);
+ Assert.Null(baseline.DocumentSettingsJson);
+ Assert.Equal(CoverLetterSources.Legacy, baseline.Source);
+ var settingsJson = job.CoverLetterDocumentSettingsJson;
+ await Update(db, job, "generic body");
+ await Controller(db).SaveApplicationDrafts(job.Id, new SaveApplicationDraftsRequest(null, "notes", null, ExpectedVersion: job.Version), default);
+ await service.SaveCoverLetterAsync(Owner, job.Id, "dedicated body", CoverLetterSources.Manual, null, job.Version, default);
+ Assert.Equal(settingsJson, job.CoverLetterDocumentSettingsJson);
+ var noOpRevision = job.Version;
+ var noOp = await service.SaveCoverLetterAsync(Owner, job.Id, "dedicated body", CoverLetterSources.Manual, null, job.Version, default,
+ CoverLetterDocumentSettingsJson.Deserialize(settingsJson));
+ Assert.Equal(noOpRevision + 1, noOp!.Revision);
+ Assert.Equal(4, noOp.CurrentVersion);
+ var restored = await service.RestoreCoverLetterAsync(Owner, job.Id, 1, job.Version, default);
+ Assert.Equal("same body", restored!.Text);
+ Assert.Equal("modern", restored.DocumentSettings!.ThemeId);
+ Assert.Equal("", restored.DocumentSettings.SenderName);
+ Assert.Null(restored.DocumentSettings.SourceCvId);
+ Assert.Equal(5, restored.CurrentVersion);
+ Assert.Equal(settingsJson, (await db.CoverLetterVersions.SingleAsync(x => x.Version == 2)).DocumentSettingsJson);
+ var restoredDesign = await service.RestoreCoverLetterAsync(Owner, job.Id, 2, job.Version, default);
+ Assert.Equal("same body", restoredDesign!.Text);
+ Assert.Equal("Reviewed sender", restoredDesign.DocumentSettings!.SenderName);
+ Assert.Equal(6, restoredDesign.CurrentVersion);
+ }
+
+ [Fact]
+ public async Task Preview_is_read_only_and_copied_settings_never_follow_later_cv_changes()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db);
+ var cv = new CvVariant { OwnerUserId = Owner, Name = "Source CV", PublicSlug = Guid.NewGuid().ToString("N"), SettingsJson = CvVariantSettingsJson.Serialize(new() { AccentColor = "#123456" }) };
+ db.CvVariants.Add(cv);
+ await db.SaveChangesAsync();
+ var settings = new CoverLetterDocumentSettings { SenderName = "Copied name", SourceCvId = cv.Id, AccentColor = "#123456" };
+ var service = Assets(db);
+ await service.SaveCoverLetterAsync(Owner, job.Id, "approved body", CoverLetterSources.Manual, null, job.Version, default, settings);
+ var revision = job.Version;
+ var before = job.CoverLetterDocumentSettingsJson;
+ var preview = await service.PreviewCoverLetterAsync(Owner, job.Id, "unapproved preview **bold**", new() { Subject = "Preview only" }, default);
+ Assert.Contains("unapproved preview bold", preview!.Html);
+ cv.SettingsJson = CvVariantSettingsJson.Serialize(new() { AccentColor = "#abcdef" });
+ await db.SaveChangesAsync();
+ var render = await service.RenderSavedCoverLetterAsync(Owner, job.Id, revision, default);
+ Assert.Contains("#123456", render!.Html);
+ Assert.Contains("Copied name", render.Html);
+ Assert.Contains("approved body", render.Html);
+ Assert.DoesNotContain("unapproved preview", render.Html);
+ Assert.Equal(before, job.CoverLetterDocumentSettingsJson);
+ Assert.Equal(revision, job.Version);
+ Assert.Single(await db.CoverLetterVersions.ToListAsync());
+ Assert.Null(await service.PreviewCoverLetterAsync("foreign", job.Id, "stolen", settings, default));
+ Assert.Null(await service.RenderSavedCoverLetterAsync("foreign", job.Id, revision, default));
+ }
+
+ [Theory]
+ [InlineData(null)]
+ [InlineData(0)]
+ [InlineData(-1)]
+ [InlineData(99)]
+ public async Task Export_requires_current_positive_revision_before_allocating_pdf(int? expectedVersion)
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, "saved body");
+ var pdf = new Mock(MockBehavior.Strict);
+ var user = new ApplicationUser { Id = Owner };
+ var users = TestHostFactory.CreateUserManager(user);
+ users.Setup(x => x.GetUserAsync(It.IsAny())).ReturnsAsync(user);
+ var controller = new ApplicationAssetsController(users.Object, Assets(db), Mock.Of(), pdf.Object)
+ {
+ ControllerContext = new() { HttpContext = new DefaultHttpContext() },
+ };
+ Assert.IsType(await controller.ExportCoverLetterPdf(job.Id, default, expectedVersion));
+ pdf.VerifyNoOtherCalls();
+ pdf.Setup(x => x.ExportAsync(Owner, It.Is(r => r.Html.Contains("saved body")), It.IsAny()))
+ .ReturnsAsync(new CvPdfArtifact("cover-letter.pdf", "unused.pdf", [37, 80, 68, 70]));
+ Assert.IsType(await controller.ExportCoverLetterPdf(job.Id, default, job.Version));
+ pdf.Verify(x => x.ExportAsync(Owner, It.IsAny(), It.IsAny()), Times.Once);
+ Assert.IsType(await controller.ExportCoverLetterPdf(int.MaxValue, default, job.Version));
+ pdf.VerifyNoOtherCalls();
+ }
+
+ [Fact]
+ public async Task Stale_settings_save_and_unsupported_schema_cannot_change_approved_design()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db);
+ var service = Assets(db);
+ await service.SaveCoverLetterAsync(Owner, job.Id, "approved", CoverLetterSources.Manual, null, 1, default, new() { Subject = "Approved subject" });
+ await Assert.ThrowsAsync(() => service.SaveCoverLetterAsync(Owner, job.Id, "stale", CoverLetterSources.Manual, null, 1, default, new() { Subject = "Stale" }));
+ Assert.Equal("Approved subject", (await service.GetCoverLetterAsync(Owner, job.Id, default))!.DocumentSettings!.Subject);
+ var user = new ApplicationUser { Id = Owner };
+ var users = TestHostFactory.CreateUserManager(user);
+ users.Setup(x => x.GetUserAsync(It.IsAny())).ReturnsAsync(user);
+ var controller = new ApplicationAssetsController(users.Object, service, Mock.Of());
+ Assert.IsType((await controller.SaveCoverLetter(job.Id,
+ new("bad", null, null, job.Version, new() { SchemaVersion = 2 }), default)).Result);
+ Assert.IsType((await controller.PreviewCoverLetter(job.Id,
+ new("bad", new() { SchemaVersion = 2 }), default)).Result);
+ Assert.Single(await db.CoverLetterVersions.ToListAsync());
+ }
+
+ [Fact]
+ public async Task Submitted_letter_html_and_design_remain_exact_after_live_edits_and_old_packages_stay_null()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db);
+ var service = Assets(db);
+ await service.SaveCoverLetterAsync(Owner, job.Id, "frozen body", CoverLetterSources.Manual, null, job.Version, default,
+ new() { SenderName = "Frozen sender", Subject = "Frozen subject" });
+ var old = new SubmittedApplicationPackage { OwnerUserId = Owner, JobApplicationId = job.Id, Version = 1, CoverLetterText = "old text-only" };
+ db.Add(old);
+ await db.SaveChangesAsync();
+ var packages = new SubmittedApplicationPackageService(db, Mock.Of(), Mock.Of());
+ var captured = await packages.CaptureAsync(Owner, job.Id, new("Profile name must not replace sender", null), default);
+ var stored = await db.SubmittedApplicationPackages.AsNoTracking().SingleAsync(x => x.Id == captured!.Id);
+ Assert.Contains("frozen body", stored.RenderedCoverLetterHtml);
+ Assert.Contains("Frozen sender", stored.RenderedCoverLetterHtml);
+ Assert.DoesNotContain("Profile name must not replace sender", stored.RenderedCoverLetterHtml);
+ await service.SaveCoverLetterAsync(Owner, job.Id, "new body", CoverLetterSources.Manual, null, job.Version, default,
+ new() { SenderName = "New sender", Subject = "New subject" });
+ var detail = await packages.GetAsync(Owner, job.Id, captured!.Id, default);
+ Assert.Equal(stored.RenderedCoverLetterHtml, detail!.RenderedCoverLetterHtml);
+ Assert.Equal("Frozen sender", detail.CoverLetterDocumentSettings!.SenderName);
+ Assert.Equal("frozen body", detail.CoverLetterText);
+ var oldDetail = await packages.GetAsync(Owner, job.Id, old.Id, default);
+ Assert.Equal("old text-only", oldDetail!.CoverLetterText);
+ Assert.Null(oldDetail.RenderedCoverLetterHtml);
+ Assert.Null(oldDetail.CoverLetterDocumentSettings);
+ }
+}
diff --git a/JobTrackerApi.MariaDb.Tests/CoverLetterWriterTests.cs b/JobTrackerApi.MariaDb.Tests/CoverLetterWriterTests.cs
new file mode 100644
index 0000000..7056d18
--- /dev/null
+++ b/JobTrackerApi.MariaDb.Tests/CoverLetterWriterTests.cs
@@ -0,0 +1,198 @@
+using System.Security.Claims;
+using System.Text.Json;
+using JobTrackerApi.Controllers;
+using JobTrackerApi.Data;
+using JobTrackerApi.Models;
+using JobTrackerApi.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Moq;
+using Xunit;
+
+namespace JobTrackerApi.MariaDb.Tests;
+
+public sealed partial class CoverLetterWriterTests
+{
+ private const string Owner = "letter-owner";
+ private static JobTrackerContext Context(MariaDbDatabase connection, string owner = Owner) => connection.Context(owner);
+
+ private static JobApplicationsController Controller(JobTrackerContext db) => new(db,
+ Mock.Of(), TestHostFactory.CreateUserManager(new ApplicationUser { Id = Owner }).Object)
+ {
+ ControllerContext = new() { HttpContext = new DefaultHttpContext
+ {
+ User = new ClaimsPrincipal(new ClaimsIdentity([new Claim(ClaimTypes.NameIdentifier, Owner)], "test")),
+ } },
+ };
+
+ private static ApplicationAssetsService Assets(JobTrackerContext db) => new(db, Mock.Of(), Mock.Of());
+ private static T Request(object value) => JsonSerializer.Deserialize(JsonSerializer.Serialize(value), new JsonSerializerOptions(JsonSerializerDefaults.Web))!;
+
+ private static async Task Seed(JobTrackerContext db, string? text = null)
+ {
+ var job = new JobApplication { OwnerUserId = Owner, Company = new Company { OwnerUserId = Owner, Name = "Letters" }, JobTitle = "Role", Status = "Prospect", CoverLetterText = text };
+ db.Add(job);
+ await db.SaveChangesAsync();
+ return job;
+ }
+
+ private static Task Update(JobTrackerContext db, JobApplication job, string? text, int? revision = null) =>
+ Controller(db).Update(job.Id, Request(new
+ {
+ jobTitle = job.JobTitle, companyId = job.CompanyId, status = job.Status, coverLetterText = text,
+ expectedVersion = revision ?? job.Version,
+ }), default);
+
+ [Fact]
+ public async Task Create_generic_draft_and_dedicated_writes_share_history_and_restore()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var seed = await Seed(db);
+ var created = await Controller(db).Create(Request(new { jobTitle = "Created", companyId = seed.CompanyId, coverLetterText = " initial body " }), default);
+ Assert.IsType(created.Result);
+ var job = await db.JobApplications.SingleAsync(x => x.JobTitle == "Created");
+ Assert.Equal(" initial body ", (await db.CoverLetterVersions.SingleAsync(x => x.JobApplicationId == job.Id)).Text);
+ Assert.IsType(await Update(db, job, " generic body "));
+ Assert.Equal(" generic body ", job.CoverLetterText);
+ Assert.IsType(await Controller(db).SaveApplicationDrafts(job.Id,
+ new SaveApplicationDraftsRequest(" draft body ", null, null, ExpectedVersion: job.Version), default));
+ Assert.Equal("draft body", job.CoverLetterText);
+ var saved = await Assets(db).SaveCoverLetterAsync(Owner, job.Id, " approved AI body ", CoverLetterSources.Ai, "improve", job.Version, default);
+ Assert.Equal(4, saved!.CurrentVersion);
+ var restored = await Assets(db).RestoreCoverLetterAsync(Owner, job.Id, 3, job.Version, default);
+ Assert.Equal("draft body", restored!.Text);
+ Assert.Equal(5, restored.CurrentVersion);
+ var history = await db.CoverLetterVersions.Where(x => x.JobApplicationId == job.Id).OrderBy(x => x.Version).ToListAsync();
+ Assert.Equal(new[] { " initial body ", " generic body ", "draft body", "approved AI body", "draft body" }, history.Select(x => x.Text));
+ Assert.Equal(CoverLetterSources.Ai, history[3].Source);
+ Assert.Equal("improve", history[3].AiAction);
+ Assert.Equal(CoverLetterSources.Restore, history[4].Source);
+ }
+
+ [Fact]
+ public async Task Draft_null_preserves_generic_null_clears_and_no_ops_acknowledge_without_duplicate_history()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db);
+ await Update(db, job, "first");
+ var firstRevision = job.Version;
+ await Controller(db).SaveApplicationDrafts(job.Id, new SaveApplicationDraftsRequest(null, null, null, ExpectedVersion: job.Version), default);
+ Assert.Equal("first", job.CoverLetterText);
+ Assert.Equal(firstRevision + 1, job.Version);
+ await Update(db, job, "first");
+ Assert.Single(await db.CoverLetterVersions.ToListAsync());
+ await Update(db, job, null);
+ Assert.Null(job.CoverLetterText);
+ Assert.Equal(new[] { "first", "" }, await db.CoverLetterVersions.OrderBy(x => x.Version).Select(x => x.Text).ToArrayAsync());
+ var revision = job.Version;
+ var saved = await Assets(db).SaveCoverLetterAsync(Owner, job.Id, " ", CoverLetterSources.Manual, null, revision, default);
+ Assert.Equal(revision + 1, saved!.Revision);
+ Assert.Equal(2, saved.CurrentVersion);
+ await Assert.ThrowsAsync(() => Assets(db).SaveCoverLetterAsync(Owner, job.Id, "stale", CoverLetterSources.Manual, null, revision, default));
+ Assert.Equal(2, await db.CoverLetterVersions.CountAsync());
+ }
+
+ [Theory]
+ [InlineData("generic")]
+ [InlineData("draft")]
+ [InlineData("dedicated")]
+ public async Task Legacy_text_gets_a_recoverable_baseline_before_first_replacement(string writer)
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, " legacy original ");
+ await Write(db, job, writer, "replacement");
+ Assert.Equal(new[] { " legacy original ", "replacement" }, await db.CoverLetterVersions.OrderBy(x => x.Version).Select(x => x.Text).ToArrayAsync());
+ var restored = await Assets(db).RestoreCoverLetterAsync(Owner, job.Id, 1, job.Version, default);
+ Assert.Equal("legacy original", restored!.Text);
+ Assert.Equal(3, restored.CurrentVersion);
+ }
+
+ [Theory]
+ [InlineData(false)]
+ [InlineData(true)]
+ public async Task Legacy_change_after_existing_history_is_preserved_before_replacement(bool cleared)
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, cleared ? null : "legacy replacement");
+ db.CoverLetterVersions.Add(new CoverLetterVersion
+ {
+ OwnerUserId = Owner, JobApplicationId = job.Id, Version = 4, Text = "older saved version",
+ Source = CoverLetterSources.Ai, AiAction = "generate",
+ });
+ await db.SaveChangesAsync();
+ await Update(db, job, "new approved version");
+ var versions = await db.CoverLetterVersions.OrderBy(x => x.Version).ToListAsync();
+ Assert.Equal(new[] { 4, 5, 6 }, versions.Select(x => x.Version));
+ Assert.Equal(new[] { "older saved version", cleared ? "" : "legacy replacement", "new approved version" }, versions.Select(x => x.Text));
+ Assert.Equal(CoverLetterSources.Ai, versions[0].Source);
+ Assert.Equal("generate", versions[0].AiAction);
+ }
+
+ private static async Task Write(JobTrackerContext db, JobApplication job, string writer, string text)
+ {
+ if (writer == "generic") Assert.IsType(await Update(db, job, text));
+ else if (writer == "draft") Assert.IsType(await Controller(db).SaveApplicationDrafts(job.Id,
+ new SaveApplicationDraftsRequest(text, "new notes", null, ExpectedVersion: job.Version), default));
+ else await Assets(db).SaveCoverLetterAsync(Owner, job.Id, text, CoverLetterSources.Manual, null, job.Version, default);
+ }
+
+ [Theory]
+ [InlineData("generic")]
+ [InlineData("draft")]
+ [InlineData("dedicated")]
+ public async Task History_failure_rolls_back_letter_parent_revision_and_other_fields(string writer)
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, "original");
+ await db.Database.ExecuteSqlRawAsync("CREATE TRIGGER reject_letter BEFORE INSERT ON CoverLetterVersions FOR EACH ROW SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'letter history failure';");
+ await Assert.ThrowsAsync(() => Write(db, job, writer, "replacement"));
+ Assert.Empty(db.ChangeTracker.Entries());
+ await db.SaveChangesAsync();
+ await using var verify = Context(connection);
+ var actual = await verify.JobApplications.SingleAsync();
+ Assert.Equal("original", actual.CoverLetterText);
+ Assert.Null(actual.Notes);
+ Assert.Equal(1, actual.Version);
+ Assert.Empty(await verify.CoverLetterVersions.ToListAsync());
+ }
+
+ [Fact]
+ public async Task Create_history_failure_cannot_leave_a_job_without_its_initial_snapshot()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var seed = await Seed(db);
+ await db.Database.ExecuteSqlRawAsync("CREATE TRIGGER reject_initial_letter BEFORE INSERT ON CoverLetterVersions FOR EACH ROW SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'initial history failure';");
+ await Assert.ThrowsAsync(() => Controller(db).Create(Request(new
+ {
+ jobTitle = "Failed create", companyId = seed.CompanyId, coverLetterText = "initial letter",
+ }), default));
+ Assert.Empty(db.ChangeTracker.Entries());
+ await db.SaveChangesAsync();
+ await using var verify = Context(connection);
+ Assert.Single(await verify.JobApplications.ToListAsync());
+ Assert.Empty(await verify.CoverLetterVersions.ToListAsync());
+ Assert.Empty(await verify.JobEvents.ToListAsync());
+ }
+
+ [Fact]
+ public async Task Other_tenant_cannot_write_or_read_letter_history_through_any_writer()
+ {
+ await using var connection = await MariaDbDatabase.CreateAsync();
+ await using var db = Context(connection);
+ var job = await Seed(db, "private");
+ await using var other = Context(connection, "other");
+ Assert.IsType(await Update(other, job, "stolen"));
+ Assert.IsType(await Controller(other).SaveApplicationDrafts(job.Id, new SaveApplicationDraftsRequest("stolen", null, null, ExpectedVersion: 1), default));
+ Assert.Null(await Assets(other).SaveCoverLetterAsync("other", job.Id, "stolen", CoverLetterSources.Manual, null, 1, default));
+ Assert.Null(await Assets(other).GetCoverLetterAsync("other", job.Id, default));
+ Assert.Empty(await db.CoverLetterVersions.ToListAsync());
+ Assert.Equal("private", (await db.JobApplications.AsNoTracking().SingleAsync()).CoverLetterText);
+ }
+}
diff --git a/JobTrackerApi.MariaDb.Tests/Rd21JobPersistenceTests.cs b/JobTrackerApi.MariaDb.Tests/Rd21JobPersistenceTests.cs
index 7e18096..d58e499 100644
--- a/JobTrackerApi.MariaDb.Tests/Rd21JobPersistenceTests.cs
+++ b/JobTrackerApi.MariaDb.Tests/Rd21JobPersistenceTests.cs
@@ -64,7 +64,7 @@ public sealed class Rd21JobPersistenceTests
User = new ClaimsPrincipal(new ClaimsIdentity(new[] { new Claim(ClaimTypes.NameIdentifier, user.Id) }, "test")),
} },
};
- var pending = controller.Update(id, Request(companyId, "Delayed title", null, 1) with { Status = "Offer" }, default);
+ var pending = controller.Update(id, Request(companyId, "Delayed title", null, 1) with { Status = "Offer", CoverLetterText = "Uncommitted letter" }, default);
await reached.Task.WaitAsync(TimeSpan.FromSeconds(10));
try
{
@@ -83,6 +83,8 @@ public sealed class Rd21JobPersistenceTests
Assert.Equal("Prospect", saved.Status);
Assert.Equal("Original job title", (await verify.Jobs.SingleAsync()).JobTitle);
Assert.Empty(await verify.JobEvents.ToListAsync());
+ Assert.Empty(await verify.CoverLetterVersions.ToListAsync());
+ Assert.Null(saved.CoverLetterText);
Assert.Empty(delayed.ChangeTracker.Entries());
// A deliberate reload/review uses the winner's content and new revision, never a blind retry.
@@ -242,7 +244,7 @@ public sealed class Rd21JobPersistenceTests
await using var verify = Context(connection);
var saved = await verify.JobApplications.SingleAsync();
Assert.Equal("First approved text", coverLetter ? saved.CoverLetterText : saved.Notes);
- if (coverLetter) Assert.Single(await verify.CoverLetterVersions.ToListAsync());
+ if (coverLetter) Assert.Equal(2, await verify.CoverLetterVersions.CountAsync()); // Legacy baseline plus approved replacement.
}
[Theory]
diff --git a/JobTrackerApi.MariaDb.Tests/StartupAndLockTests.cs b/JobTrackerApi.MariaDb.Tests/StartupAndLockTests.cs
index d3cfa04..a778e1b 100644
--- a/JobTrackerApi.MariaDb.Tests/StartupAndLockTests.cs
+++ b/JobTrackerApi.MariaDb.Tests/StartupAndLockTests.cs
@@ -79,10 +79,10 @@ public sealed class StartupAndLockTests(ITestOutputHelper output)
db.Add(job);
await db.SaveChangesAsync();
var migrations = (await db.Database.GetAppliedMigrationsAsync()).ToArray();
- Assert.Equal("20261023090000_AddJobRevision", migrations[^1]);
+ Assert.Equal("20261025090000_AddCoverLetterDocumentDesign", migrations[^1]);
// Only this test's newly-created schema is downgraded; no existing database is selected.
- await db.GetService().MigrateAsync(migrations[^2]);
- Assert.Equal(new[] { migrations[^1] }, await db.Database.GetPendingMigrationsAsync());
+ await db.GetService().MigrateAsync(migrations[^3]);
+ Assert.Equal(migrations[^2..], await db.Database.GetPendingMigrationsAsync());
db.ChangeTracker.Clear();
await database.App.InitializeJobTrackerAsync();
await using var verify = database.Context();
diff --git a/JobTrackerApi.Tests/AccountDataExportTests.cs b/JobTrackerApi.Tests/AccountDataExportTests.cs
index 6117fb1..c6a0606 100644
--- a/JobTrackerApi.Tests/AccountDataExportTests.cs
+++ b/JobTrackerApi.Tests/AccountDataExportTests.cs
@@ -56,6 +56,18 @@ public sealed class AccountDataExportTests
var otherApplication = new JobApplication { OwnerUserId = other.Id, CompanyId = company.Id, JobTitle = "OTHER_TENANT_PRIVATE" };
db.JobApplications.AddRange(application, otherApplication);
await db.SaveChangesAsync();
+ application.CoverLetterDocumentSettingsJson = "{\"senderName\":\"live-letter-design\"}";
+ db.CoverLetterVersions.Add(new CoverLetterVersion
+ {
+ OwnerUserId = owner.Id, JobApplicationId = application.Id, Version = 1, Text = "historical body",
+ DocumentSettingsJson = "{\"senderName\":\"history-letter-design\"}",
+ });
+ db.SubmittedApplicationPackages.Add(new SubmittedApplicationPackage
+ {
+ OwnerUserId = owner.Id, JobApplicationId = application.Id, Version = 1, CoverLetterText = "frozen body",
+ CoverLetterDocumentSettingsJson = "{\"senderName\":\"frozen-letter-design\"}",
+ RenderedCoverLetterHtml = "frozen-letter-render
",
+ });
var attachmentPath = Path.Combine(paths.AttachmentsRoot, application.Id.ToString(), "evidence.txt");
Directory.CreateDirectory(Path.GetDirectoryName(attachmentPath)!);
@@ -109,6 +121,10 @@ public sealed class AccountDataExportTests
Assert.Contains("Synthetic Owner", readable);
Assert.Contains("Readable application note", readable);
Assert.Contains("export-proof", readable);
+ Assert.Contains("live-letter-design", readable);
+ Assert.Contains("history-letter-design", readable);
+ Assert.Contains("frozen-letter-design", readable);
+ Assert.Contains("frozen-letter-render", readable);
Assert.DoesNotContain("OTHER_TENANT_PRIVATE", readable);
Assert.DoesNotContain("PASSWORD_HASH_MUST_NOT_EXPORT", readable);
Assert.DoesNotContain("SECURITY_STAMP_MUST_NOT_EXPORT", readable);
diff --git a/JobTrackerApi.Tests/AiWorkspaceTests.cs b/JobTrackerApi.Tests/AiWorkspaceTests.cs
index 363a802..5351eec 100644
--- a/JobTrackerApi.Tests/AiWorkspaceTests.cs
+++ b/JobTrackerApi.Tests/AiWorkspaceTests.cs
@@ -66,6 +66,43 @@ public sealed class AiWorkspaceTests
private static AiGenerateRequest Req(string module, string? mode = null) => new(module, mode, null);
+ private static async Task SeedLinkedProfileAsync(JobTrackerContext db, int jobId, StructuredCvProfile? profile = null, CvVariantSettings? settings = null, string profileOwner = "user-1")
+ {
+ db.CareerProfiles.Add(new CareerProfile { OwnerUserId = profileOwner, ProfileJson = StructuredCvProfileJson.Serialize(profile ?? new StructuredCvProfile { Skills = { "C#" } }) });
+ db.CvVariants.Add(new CvVariant {
+ OwnerUserId = "user-1", JobApplicationId = jobId, Name = "Source CV", PublicSlug = Guid.NewGuid().ToString("N"),
+ SettingsJson = CvVariantSettingsJson.Serialize(settings ?? new()), Version = 1,
+ CreatedAtUtc = DateTimeOffset.UtcNow, UpdatedAtUtc = DateTimeOffset.UtcNow,
+ });
+ await db.SaveChangesAsync();
+ }
+
+ [Theory]
+ [InlineData("generate", "no-linked-cv")]
+ [InlineData("improve", "no-linked-cv")]
+ [InlineData("grammar", "identity-only")]
+ [InlineData("shorten", "hidden-facts")]
+ [InlineData("generate", "foreign-profile")]
+ public async Task Letter_requires_owned_visible_career_facts_before_inference_even_with_draft_and_advert(string action, string source)
+ {
+ var (db, svc, ai) = New("user-1");
+ await using var _ = db;
+ var jobId = await SeedJobAsync(db, "user-1");
+ if (source != "no-linked-cv")
+ {
+ var profile = new StructuredCvProfile { Contact = new StructuredCvContact { FullName = "Ada Example", Headline = "Engineer" } };
+ var settings = new CvVariantSettings();
+ if (source == "hidden-facts") { profile.Skills.Add("C#"); settings.Sections.Add(new() { Key = "skills", Hidden = true }); }
+ if (source == "foreign-profile") profile.Skills.Add("Foreign profile skill");
+ await SeedLinkedProfileAsync(db, jobId, profile, settings, source == "foreign-profile" ? "user-2" : "user-1");
+ }
+ var error = await Assert.ThrowsAsync(() => svc.GenerateAsync("user-1", jobId,
+ "Unverified legacy fallback claiming 99 years experience", "Ada", new("cover-letter", "professional", "Invent impressive results", "en", "An existing unverified letter draft", action), "p", default));
+ Assert.Equal("cover_letter_source_required", error.Message);
+ Assert.Equal(0, ai.Calls);
+ Assert.Empty(await db.AiInteractions.IgnoreQueryFilters().ToListAsync());
+ }
+
[Fact]
public async Task Generate_stores_an_interaction_and_returns_it()
{
@@ -107,6 +144,7 @@ public sealed class AiWorkspaceTests
var (db, svc, _) = New("user-1");
await using var _ = db;
var jobId = await SeedJobAsync(db, "user-1");
+ await SeedLinkedProfileAsync(db, jobId);
var res = await svc.GenerateAsync("user-1", jobId, "cv", "Ada", Req("cover-letter", "banana"), "p", default);
@@ -209,6 +247,7 @@ public sealed class AiWorkspaceTests
await using var _ = db;
ai.Next = " ";
var jobId = await SeedJobAsync(db, "user-1");
+ await SeedLinkedProfileAsync(db, jobId);
await Assert.ThrowsAsync(() => svc.GenerateAsync("user-1", jobId, "cv", "Ada", Req("cover-letter"), "p", default));
}
diff --git a/JobTrackerApi.Tests/BackupControllerTests.cs b/JobTrackerApi.Tests/BackupControllerTests.cs
index c8b8d4f..d2617a8 100644
--- a/JobTrackerApi.Tests/BackupControllerTests.cs
+++ b/JobTrackerApi.Tests/BackupControllerTests.cs
@@ -39,6 +39,13 @@ public sealed class BackupControllerTests
var otherJob = new JobApplication { JobTitle = "Other tenant role", OwnerUserId = "user-2" };
db.JobApplications.AddRange(job, otherJob);
await db.SaveChangesAsync();
+ db.CoverLetterVersions.AddRange(
+ new CoverLetterVersion { OwnerUserId = "user-1", JobApplicationId = job.Id, Version = 1, Text = "Original letter", Source = CoverLetterSources.Manual },
+ new CoverLetterVersion { OwnerUserId = "user-1", JobApplicationId = job.Id, Version = 2, Text = "Approved letter", Source = CoverLetterSources.Ai, AiAction = "improve", DocumentSettingsJson = "{\"senderName\":\"Historical sender\"}" },
+ new CoverLetterVersion { OwnerUserId = "user-2", JobApplicationId = otherJob.Id, Version = 1, Text = "Other tenant private letter" });
+ db.SubmittedApplicationPackages.AddRange(
+ new SubmittedApplicationPackage { OwnerUserId = "user-1", JobApplicationId = job.Id, Version = 1, CoverLetterText = "Frozen letter", RenderedCoverLetterHtml = "Exact frozen HTML
", CoverLetterDocumentSettingsJson = "{\"subject\":\"Frozen subject\"}" },
+ new SubmittedApplicationPackage { OwnerUserId = "user-2", JobApplicationId = otherJob.Id, Version = 1, RenderedCoverLetterHtml = "Other tenant private frozen HTML" });
db.EmailSendAttempts.Add(new EmailSendAttempt
{
Id = Guid.NewGuid(),
@@ -95,6 +102,17 @@ public sealed class BackupControllerTests
var protectedText = System.Text.Encoding.UTF8.GetString(file.FileContents);
var json = Convert.FromBase64String(provider.CreateProtector("JobTrackerApi.Backup.v1").Unprotect(protectedText));
using var document = System.Text.Json.JsonDocument.Parse(json);
+ var letters = document.RootElement.GetProperty("Data").GetProperty("CoverLetterVersions").EnumerateArray().ToArray();
+ Assert.Equal(2, letters.Length);
+ Assert.Equal("Original letter", letters[0].GetProperty("Text").GetString());
+ Assert.Equal(2, letters[1].GetProperty("Version").GetInt32());
+ Assert.Equal("Approved letter", letters[1].GetProperty("Text").GetString());
+ Assert.Equal(CoverLetterSources.Ai, letters[1].GetProperty("Source").GetString());
+ Assert.Equal("improve", letters[1].GetProperty("AiAction").GetString());
+ Assert.Equal("{\"senderName\":\"Historical sender\"}", letters[1].GetProperty("DocumentSettingsJson").GetString());
+ var frozen = Assert.Single(document.RootElement.GetProperty("Data").GetProperty("SubmittedApplicationPackages").EnumerateArray());
+ Assert.Equal("Exact frozen HTML
", frozen.GetProperty("RenderedCoverLetterHtml").GetString());
+ Assert.Equal("{\"subject\":\"Frozen subject\"}", frozen.GetProperty("CoverLetterDocumentSettingsJson").GetString());
var attempt = Assert.Single(document.RootElement.GetProperty("Data").GetProperty("EmailSendAttempts").EnumerateArray());
Assert.Equal("gmail", attempt.GetProperty("Provider").GetString());
Assert.Equal("sent", attempt.GetProperty("Status").GetString());
diff --git a/JobTrackerApi.Tests/CoverLetterDocumentContractTests.cs b/JobTrackerApi.Tests/CoverLetterDocumentContractTests.cs
new file mode 100644
index 0000000..1603257
--- /dev/null
+++ b/JobTrackerApi.Tests/CoverLetterDocumentContractTests.cs
@@ -0,0 +1,63 @@
+using JobTrackerApi.Models;
+using JobTrackerApi.Services;
+using Xunit;
+
+namespace JobTrackerApi.Tests;
+
+public sealed class CoverLetterDocumentContractTests
+{
+ [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 = "
+ {{E(s.SenderName)}}
{{E(s.SenderTitle)}}
{{contact}}
+ {{E(s.Date)}}
{{E(s.Recipient)}}
{{E(s.Subject)}}
+ {{body}}