Kapitel 7 abgeschlossen.

2026-08-16 00:29:01 +02:00
parent da8d2bb1da
commit f9e398b225
47 changed files with 2636 additions and 107 deletions
@@ -0,0 +1,108 @@
+using System.IO.Compression;
+using LehrerApp.Core.Models;
+using LehrerApp.Core.Services;
+using LehrerApp.Desktop.ViewModels.Students;
+using Xunit;
+
+namespace LehrerApp.Desktop.Tests;
+
+public sealed class CreateLetterDialogViewModelTests : IDisposable
+{
+    private readonly string _directory = Path.Combine(Path.GetTempPath(), $"lehrerapp-letter-vm-tests-{Guid.NewGuid():N}");
+
+    public CreateLetterDialogViewModelTests() => Directory.CreateDirectory(_directory);
+
+    [Fact]
+    public void OhneVorlage_KannKeinenBriefErzeugen()
+    {
+        var student = StudentWithContact("Sehr geehrte Frau Muster,");
+
+        var vm = Build(student, new LetterTemplateService(_directory));
+
+        Assert.False(vm.CanGenerate);
+        Assert.Contains(vm.Issues, i => i.Message.Contains("Vorlage", StringComparison.OrdinalIgnoreCase));
+    }
+
+    [Fact]
+    public void VerwendeteBriefanredeFehlt_BlockiertErzeugung()
+    {
+        var service = ServiceWithTemplate("Letter.Salutation");
+        var vm = Build(StudentWithContact(null), service);
+
+        Assert.False(vm.CanGenerate);
+        Assert.Contains(vm.Issues, i => i.Message.Contains("Briefanrede"));
+    }
+
+    [Fact]
+    public void VollstaendigeDaten_ErzeugenEditierbareDocxKopie()
+    {
+        var service = ServiceWithTemplate("Letter.Salutation", "Student.FirstName", "CurrentDate");
+        var vm = Build(StudentWithContact("Sehr geehrte Frau Muster,"), service);
+        var output = Path.Combine(_directory, "Brief.docx");
+
+        var generated = vm.Generate(output);
+
+        Assert.True(generated);
+        Assert.True(File.Exists(output));
+        using var archive = ZipFile.OpenRead(output);
+        using var reader = new StreamReader(archive.GetEntry("word/document.xml")!.Open());
+        var xml = reader.ReadToEnd();
+        Assert.Contains("Sehr geehrte Frau Muster,", xml);
+        Assert.Contains("Lena", xml);
+    }
+
+    [Fact]
+    public void KontaktBearbeiten_SpeichertExpliziteBriefanrede()
+    {
+        var vm = new ContactEditDialogViewModel(new Contact { Name = "Frau Muster" });
+        vm.LetterSalutation = "Sehr geehrte Frau Muster,";
+
+        vm.SaveCommand.Execute(null);
+
+        Assert.Equal("Sehr geehrte Frau Muster,", vm.Result!.LetterSalutation);
+    }
+
+    private CreateLetterDialogViewModel Build(Student student, LetterTemplateService service) =>
+        new(student, service, new FakeMemberships([]), new FakeGroups([]));
+
+    private LetterTemplateService ServiceWithTemplate(params string[] tags)
+    {
+        var source = Path.Combine(_directory, $"{Guid.NewGuid():N}.docx");
+        using (var archive = ZipFile.Open(source, ZipArchiveMode.Create))
+        {
+            var entry = archive.CreateEntry("word/document.xml");
+            using var writer = new StreamWriter(entry.Open());
+            var controls = string.Join("", tags.Select(tag =>
+                $"<w:sdt><w:sdtPr><w:tag w:val=\"{tag}\"/></w:sdtPr><w:sdtContent>" +
+                "<w:p><w:r><w:t>Platzhalter</w:t></w:r></w:p></w:sdtContent></w:sdt>"));
+            writer.Write("<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\">" +
+                         $"<w:body>{controls}</w:body></w:document>");
+        }
+        var service = new LetterTemplateService(Path.Combine(_directory, $"service-{Guid.NewGuid():N}"));
+        service.Import(source, "Elternbrief");
+        return service;
+    }
+
+    private static Student StudentWithContact(string? salutation) => new()
+    {
+        FirstName = "Lena",
+        LastName = "Beispiel",
+        Contacts =
+        [
+            new Contact
+            {
+                Name = "Frau Muster",
+                Relation = "Mutter",
+                LetterSalutation = salutation,
+                Street = "Hauptstraße 1",
+                PostalCode = "12345",
+                City = "Musterstadt",
+            },
+        ],
+    };
+
+    public void Dispose()
+    {
+        if (Directory.Exists(_directory)) Directory.Delete(_directory, recursive: true);
+    }
+}