feat: add student master data import

2026-08-17 13:12:03 +02:00
parent 9286bfa3b5
commit 37f4fee574
18 changed files with 2359 additions and 13 deletions
@@ -0,0 +1,87 @@
+using LehrerApp.Core.Importing;
+using LehrerApp.Core.Models;
+using LehrerApp.Core.Services;
+using LehrerApp.Desktop.ViewModels.Students;
+using Xunit;
+
+namespace LehrerApp.Desktop.Tests;
+
+public sealed class StudentImportDialogViewModelTests
+{
+    [Fact]
+    public async Task Vorschau_ZeigtZusammenfassungUndImportiertNeueSchueler()
+    {
+        var stored = new List<Student>();
+        var service = Service(stored,
+        [
+            new ImportedStudent
+            {
+                FirstName = "Max",
+                LastName = "Beispiel",
+                Gender = Gender.M,
+            },
+        ]);
+        var preview = await service.AnalyzeAsync(File());
+        var vm = new StudentImportDialogViewModel(service, preview, "students.csv");
+
+        Assert.Contains("1 erkannt", vm.Summary);
+        Assert.Equal(1, vm.NewStudents);
+        Assert.True(vm.IsReadyWithoutConflicts);
+
+        Assert.True(await vm.TryApplyAsync());
+        Assert.Equal(1, vm.Result?.CreatedStudents);
+        Assert.Single(stored);
+    }
+
+    [Fact]
+    public async Task Konflikt_VerwendetDieSichereStandardoptionUeberspringen()
+    {
+        var stored = new List<Student>
+        {
+            new() { FirstName = "Max", LastName = "Beispiel" },
+        };
+        var service = Service(stored,
+        [
+            new ImportedStudent { FirstName = "Max", LastName = "Beispiel" },
+        ]);
+        var preview = await service.AnalyzeAsync(File());
+        var vm = new StudentImportDialogViewModel(service, preview, "students.csv");
+
+        var conflict = Assert.Single(vm.Conflicts);
+        Assert.Equal("skip", conflict.SelectedOption.Id);
+        Assert.Equal("skip", Assert.Single(vm.BuildDecisions()).SelectedOptionId);
+
+        Assert.True(await vm.TryApplyAsync());
+        Assert.Equal(1, vm.Result?.SkippedStudents);
+        Assert.Single(stored);
+    }
+
+    private static StudentImportService Service(
+        List<Student> stored,
+        IReadOnlyList<ImportedStudent> imported) => new(
+        [new FakeImportHandler(imported)],
+        new FakeStudents(stored),
+        new FakeGroups([]),
+        new FakeMemberships([]),
+        new SchoolYearService());
+
+    private static ImportFile File() => new("students.csv", "test"u8.ToArray());
+
+    private sealed class FakeImportHandler(IReadOnlyList<ImportedStudent> imported)
+        : IImportHandler<ImportedStudent>
+    {
+        public ImportFormatId FormatId { get; } = new("test.students");
+        public string DisplayName => "Testformat";
+        public IReadOnlyCollection<string> SupportedExtensions { get; } = [".csv"];
+
+        public ValueTask<ImportDetection> DetectAsync(
+            ImportFile file,
+            CancellationToken cancellationToken = default) =>
+            ValueTask.FromResult(ImportDetection.Match(100));
+
+        public ValueTask<ImportParseResult<ImportedStudent>> ParseAsync(
+            ImportFile file,
+            CancellationToken cancellationToken = default) =>
+            ValueTask.FromResult(new ImportParseResult<ImportedStudent>(imported));
+    }
+}