Kapitel 7 abgeschlossen.

LehrerApp.Desktop.Tests/StudentListViewModelTests.cs

@@ -0,0 +1,60 @@
+using LehrerApp.Core.Models;
+using LehrerApp.Desktop.ViewModels.Students;
+using Xunit;
+
+namespace LehrerApp.Desktop.Tests;
+
+public class StudentListViewModelTests
+{
+    private readonly Student _anna = new() { FirstName = "Anna", LastName = "Beispiel", Gender = Gender.W };
+    private readonly Student _ben = new() { FirstName = "Ben", LastName = "Muster", Gender = Gender.M };
+    private readonly LearningGroup _group = new() { Name = "Mathematik 7a" };
+
+    [Fact]
+    public void SucheFindetSchuelerWeiterhinUeberNamen()
+    {
+        var vm = BuildViewModel();
+
+        vm.SearchText = "Anna";
+
+        Assert.Single(vm.Students);
+        Assert.Equal(_anna.Id, vm.Students[0].Id);
+    }
+
+    [Fact]
+    public void SucheFindetSchuelerUeberLerngruppe()
+    {
+        var vm = BuildViewModel();
+
+        vm.SearchText = "7a";
+
+        Assert.Single(vm.Students);
+        Assert.Equal(_ben.Id, vm.Students[0].Id);
+    }
+
+    [Fact]
+    public void LeereSucheZeigtAlleSchueler()
+    {
+        var vm = BuildViewModel();
+
+        vm.SearchText = "   ";
+
+        Assert.Equal(2, vm.Students.Count);
+    }
+
+    [Fact]
+    public void ListeneintraegeZeigenAvatarAusGespeichertemGeschlecht()
+    {
+        var vm = BuildViewModel();
+
+        Assert.Equal("W", vm.Students.Single(s => s.Id == _anna.Id).AvatarLabel);
+        Assert.Equal("M", vm.Students.Single(s => s.Id == _ben.Id).AvatarLabel);
+    }
+
+    private StudentListViewModel BuildViewModel() => new(
+        new FakeStudents([_anna, _ben]),
+        new FakeGroups([_group]),
+        new FakeMemberships([
+            new GroupMembership { StudentId = _ben.Id, GroupId = _group.Id },
+        ]));
+}