feat(accounts): preview and confirm cross-year balance corrections (U12)

2026-11-02 19:28:30 +01:00
parent 4d0d5c8d88
commit 45fe327840
13 changed files with 158 additions and 57 deletions
@@ -0,0 +1,48 @@
+using Bunit;
+using Duempelkas.App.Components.Dialogs;
+using Duempelkas.App.Services;
+using Duempelkas.Domain.Enums;
+using Xunit;
+
+namespace Duempelkas.Tests;
+
+public class CarryoverCorrectionTests
+{
+    [Fact]
+    public async Task Correction_ShiftsAllYearsByDelta_AndRejectsStaleState()
+    {
+        using var f = new LedgerUiFixture();
+        var accounts = f.Service<IAccountService>();
+        var entries = f.Service<IEntryService>();
+        var balances = f.Service<IBalanceQueryService>();
+        await entries.CreateEntryAsync(1, EntryType.Income, new(2025, 1, 1), "Alt", 10m);
+        await entries.CreateEntryAsync(1, EntryType.Expense, new(2026, 1, 1), "Neu", 5m);
+        await accounts.CorrectCarryoverAsync(1, 120m, 2026, 110m, 100m);
+        Assert.Equal(110m, (await accounts.GetAccountAsync(1)).CarryoverBalance);
+        Assert.Equal(120m, (await balances.GetAccountBalanceAsync(1, 2025)).TotalBalance);
+        Assert.Equal(115m, (await balances.GetAccountBalanceAsync(1, 2026)).TotalBalance);
+        Assert.Equal(115m, (await balances.GetAccountBalanceAsync(1, 2027)).TotalBalance);
+        Assert.Equal(2, (await entries.GetEntriesAsync(1, (int?)null)).Count);
+        await Assert.ThrowsAsync<InvalidOperationException>(() => accounts.CorrectCarryoverAsync(1, 130m, 2026, 110m, 100m));
+        var newAccount = await accounts.CreateAccountAsync("Neues Konto", -20m);
+        Assert.Equal(-20m, newAccount.TotalBalance);
+        Assert.Empty(await entries.GetEntriesAsync(newAccount.Id, (int?)null));
+    }
+
+    [Fact]
+    public void CorrectionForm_ShowsBeforeAfter_AndRequiresAcknowledgement()
+    {
+        using var f = new LedgerUiFixture();
+        var saved = 0m;
+        var dialog = f.Context.Render<EditCarryoverDialog>(p => p.Add(x => x.CurrentAmount, 110m)
+            .Add(x => x.InitialBalance, 100m).Add(x => x.Year, 2026).Add(x => x.AccountName, "Barkasse")
+            .Add(x => x.OnSave, value => saved = value));
+        dialog.Find("#carryover").Input("120,00");
+        Assert.Contains("frühere und spätere Jahre", dialog.Markup);
+        Assert.Contains("110,00", dialog.Find(".correction-preview").TextContent);
+        Assert.True(dialog.Find("button.btn-success").HasAttribute("disabled"));
+        dialog.Find("input[type=checkbox]").Change(true);
+        dialog.Find("button.btn-success").Click();
+        Assert.Equal(120m, saved);
+    }
+}