Add unit tests for DashboardPdfStatementService to validate PDF generation with entries and transfers

2026-04-03 12:33:48 +02:00
parent 69181e66b0
commit 9aa1fee49e
9 changed files with 448 additions and 3 deletions
--- a/tests/Duempelkas.Tests/DashboardPdfStatementServiceTests.cs
+++ b/tests/Duempelkas.Tests/DashboardPdfStatementServiceTests.cs
@@ -0,0 +1,132 @@
+using Duempelkas.App.Services;
+using Duempelkas.Domain.Entities;
+using Duempelkas.Domain.Enums;
+using Duempelkas.Infrastructure.Persistence;
+using Duempelkas.Infrastructure.Services;
+using FluentAssertions;
+using Microsoft.EntityFrameworkCore;
+using Xunit;
+
+namespace Duempelkas.Tests;
+
+public class DashboardPdfStatementServiceTests : IDisposable
+{
+    private readonly FinanceDbContext _db;
+    private readonly PdfStatementService _pdfService;
+    private readonly string _connectionString = $"Data Source=duempelkas-dashboard-pdf-tests-{Guid.NewGuid():N};Mode=Memory;Cache=Shared";
+
+    public DashboardPdfStatementServiceTests()
+    {
+        var options = new DbContextOptionsBuilder<FinanceDbContext>()
+            .UseSqlite(_connectionString)
+            .Options;
+
+        _db = new FinanceDbContext(options);
+        _db.Database.OpenConnection();
+        _db.Database.EnsureCreated();
+
+        var dbFactory = new TestDbContextFactory(options);
+        var entryService = new EntryService(dbFactory);
+        var balanceQueryService = new BalanceQueryService(dbFactory);
+        var settingsService = new FixedSettingsService("Testverein");
+
+        _pdfService = new PdfStatementService(dbFactory, entryService, balanceQueryService, settingsService);
+    }
+
+    [Fact]
+    public async Task GenerateDashboardStatementAsync_WithBookingsAndTransfer_ReturnsPdf()
+    {
+        var barkasse = new Account { Name = "Barkasse" };
+        var girokonto = new Account { Name = "Girokonto" };
+        _db.Accounts.AddRange(barkasse, girokonto);
+        await _db.SaveChangesAsync();
+
+        _db.Entries.Add(new Entry
+        {
+            AccountId = barkasse.Id,
+            DisplayId = "2026-001",
+            Type = EntryType.Income,
+            Date = new DateTime(2026, 1, 12),
+            Title = "Einkuenfte Sommerfest",
+            Amount = 604.60m
+        });
+
+        var transferExpense = new Entry
+        {
+            AccountId = barkasse.Id,
+            DisplayId = "2026-002",
+            Type = EntryType.Expense,
+            Date = new DateTime(2026, 2, 16),
+            Title = "Einzahlung",
+            Amount = 600.00m
+        };
+
+        var transferIncome = new Entry
+        {
+            AccountId = girokonto.Id,
+            DisplayId = "2026-002",
+            Type = EntryType.Income,
+            Date = new DateTime(2026, 2, 16),
+            Title = "Einzahlung",
+            Amount = 600.00m
+        };
+
+        _db.Entries.AddRange(transferExpense, transferIncome);
+        await _db.SaveChangesAsync();
+
+        var transferLink = new TransferLink
+        {
+            SourceEntryId = transferExpense.Id,
+            TargetEntryId = transferIncome.Id,
+            Note = "Umbuchung"
+        };
+
+        _db.TransferLinks.Add(transferLink);
+        await _db.SaveChangesAsync();
+
+        transferExpense.TransferLinkId = transferLink.Id;
+        transferIncome.TransferLinkId = transferLink.Id;
+        await _db.SaveChangesAsync();
+
+        var pdf = await _pdfService.GenerateDashboardStatementAsync();
+
+        pdf.Should().NotBeNull();
+        pdf.Length.Should().BeGreaterThan(1000);
+        System.Text.Encoding.ASCII.GetString(pdf.Take(4).ToArray()).Should().Be("%PDF");
+    }
+
+    public void Dispose()
+    {
+        _db.Database.CloseConnection();
+        _db.Dispose();
+    }
+
+    private sealed class TestDbContextFactory : IDbContextFactory<FinanceDbContext>
+    {
+        private readonly DbContextOptions<FinanceDbContext> _options;
+
+        public TestDbContextFactory(DbContextOptions<FinanceDbContext> options)
+        {
+            _options = options;
+        }
+
+        public FinanceDbContext CreateDbContext() => new(_options);
+
+        public Task<FinanceDbContext> CreateDbContextAsync(CancellationToken cancellationToken = default)
+            => Task.FromResult(new FinanceDbContext(_options));
+    }
+
+    private sealed class FixedSettingsService : ISettingsService
+    {
+        private readonly string? _clubName;
+
+        public FixedSettingsService(string? clubName)
+        {
+            _clubName = clubName;
+        }
+
+        public Task<string?> GetClubNameAsync() => Task.FromResult(_clubName);
+
+        public Task SetClubNameAsync(string? clubName) => Task.CompletedTask;
+    }
+}