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feat: MCP-Tool add_lesson_attachment (Nutzer-Nachtrag)
CI / build-and-test (push) Canceled after 0s
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download_lesson_attachment deckte bisher nur die Leserichtung ab, der
Nutzer legt Arbeitsblätter aber tatsächlich über die Anhang-Funktion an
Einzelstunden ab. Neues Write-Tool nimmt Dateiname + Base64-Inhalt
entgegen, validiert vor der Bestätigungsnachfrage (leer/ungültig/zu
groß) und lädt erst nach Bestätigung hoch.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
admin
2026-09-11 23:45:56 +02:00
co-authored by Claude Sonnet 5
parent 55fba2cadb
commit e6c30b0bc7
5 changed files with 119 additions and 3 deletions
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LehrerApp.Desktop.Tests/McpToolsTests.cs
+66 -3
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@@ -28,9 +28,9 @@ public sealed class McpToolsTests
Assert.Equal(
new[]
{
"add_lesson_phase", "create_grade_entry", "create_lesson", "create_time_entry",
"create_unit", "remove_lesson_phase", "update_lesson", "update_lesson_phase",
"update_student_group_assignment", "update_unit",
"add_lesson_attachment", "add_lesson_phase", "create_grade_entry", "create_lesson",
"create_time_entry", "create_unit", "remove_lesson_phase", "update_lesson",
"update_lesson_phase", "update_student_group_assignment", "update_unit",
},
McpToolScope.AllowedWriteTools.OrderBy(n => n, StringComparer.Ordinal));
}
@@ -400,6 +400,69 @@ public sealed class McpToolsTests
Assert.Throws<InvalidOperationException>(() => tool.DownloadLessonAttachment(lesson.Id, "big"));
}
[Fact]
public async Task AddLessonAttachment_NutzerBestaetigt_LaedtHochUndHaengtAn()
{
var lesson = new Lesson { Topic = "Brechung" };
var lessons = new FakeLessons();
lessons.Add(lesson);
var storage = new FakeAttachmentStorage();
var tool = BuildLessonPlanTools(lessons: lessons, attachments: storage);
var content = Convert.ToBase64String("Arbeitsblatt-Inhalt"u8.ToArray());
var result = await tool.AddLessonAttachment(lesson.Id, "arbeitsblatt.pdf", content);
Assert.True(result.Applied);
var attachment = Assert.Single(lessons.GetById(lesson.Id)!.Attachments);
Assert.Equal("arbeitsblatt.pdf", attachment.FileName);
using var stream = storage.OpenRead(attachment.StorageId)!;
using var reader = new StreamReader(stream);
Assert.Equal("Arbeitsblatt-Inhalt", reader.ReadToEnd());
}
[Fact]
public async Task AddLessonAttachment_NutzerLehntAb_SpeichertNichts()
{
var lesson = new Lesson { Topic = "Brechung" };
var lessons = new FakeLessons();
lessons.Add(lesson);
var confirmation = new FakeMcpConfirmation { Response = false };
var tool = BuildLessonPlanTools(lessons: lessons, confirmation: confirmation);
var content = Convert.ToBase64String("Inhalt"u8.ToArray());
var result = await tool.AddLessonAttachment(lesson.Id, "arbeitsblatt.pdf", content);
Assert.False(result.Applied);
Assert.Empty(lessons.GetById(lesson.Id)!.Attachments);
}
[Fact]
public async Task AddLessonAttachment_UngueltigesBase64_LiefertFehlerOhneNachfrage()
{
var lesson = new Lesson { Topic = "Brechung" };
var lessons = new FakeLessons();
lessons.Add(lesson);
var confirmation = new FakeMcpConfirmation();
var tool = BuildLessonPlanTools(lessons: lessons, confirmation: confirmation);
var result = await tool.AddLessonAttachment(lesson.Id, "arbeitsblatt.pdf", "nicht-base64!!!");
Assert.False(result.Applied);
Assert.Equal(0, confirmation.CallCount);
}
[Fact]
public async Task AddLessonAttachment_UnbekannteStunde_LiefertFehlerOhneNachfrage()
{
var confirmation = new FakeMcpConfirmation();
var tool = BuildLessonPlanTools(confirmation: confirmation);
var result = await tool.AddLessonAttachment(Guid.NewGuid(), "x.pdf", Convert.ToBase64String("x"u8.ToArray()));
Assert.False(result.Applied);
Assert.Equal(0, confirmation.CallCount);
}
// ── GroupMembershipTools ─────────────────────────────────────────────────────────────────
[Fact]