QuestPDF-Vorlagensystem und Designer hinzufügen

LehrerApp.TemplateDesigner.Tests/AssetManagementTests.cs

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+using LehrerApp.TemplateDesigner;
+using Xunit;
+
+namespace LehrerApp.TemplateDesigner.Tests;
+
+public sealed class AssetManagementTests
+{
+    private static readonly byte[] OnePixelPng = Convert.FromBase64String(
+        "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=");
+
+    [Fact]
+    public void Import_ZeigtMetadatenUndBenenntKollisionenUm()
+    {
+        var viewModel = new DesignerViewModel();
+
+        var first = viewModel.ImportAsset("mein logo.png", OnePixelPng);
+        var second = viewModel.ImportAsset("mein logo.png", OnePixelPng);
+
+        Assert.Equal("mein-logo.png", first.Name);
+        Assert.Equal("mein-logo-2.png", second.Name);
+        Assert.Equal("1 × 1 px", first.Dimensions);
+        Assert.Equal(2, viewModel.AssetItems.Count);
+    }
+
+    [Fact]
+    public void AlsImageEinfuegen_VerwendetKoordinatenUndAktualisiertReferenzzaehler()
+    {
+        var viewModel = new DesignerViewModel
+        { NewX = "15", NewY = "18", NewWidth = "32", NewHeight = "14" };
+        viewModel.ImportAsset("logo.png", OnePixelPng);
+
+        viewModel.InsertSelectedAssetAsImage();
+
+        Assert.Contains("IMG logo.png 15 18 32 14 scale=100%", viewModel.LayoutSource);
+        Assert.Equal(1, viewModel.SelectedAsset!.UsageCount);
+    }
+
+    [Fact]
+    public void AlsImageEinfuegen_SchreibtProzentualeSkalierung()
+    {
+        var viewModel = new DesignerViewModel { NewImageScale = "37,5" };
+        viewModel.ImportAsset("logo.png", OnePixelPng);
+
+        viewModel.InsertSelectedAssetAsImage();
+
+        Assert.Contains("scale=37.5%", viewModel.LayoutSource);
+    }
+
+    [Fact]
+    public void Entfernen_LoeschtAssetUndAlleLayoutReferenzen()
+    {
+        var viewModel = new DesignerViewModel();
+        viewModel.ImportAsset("logo.png", OnePixelPng);
+        viewModel.InsertSelectedAssetAsImage();
+
+        viewModel.RemoveSelectedAsset();
+
+        Assert.Empty(viewModel.AssetItems);
+        Assert.Empty(viewModel.Assets);
+        Assert.DoesNotContain("IMG logo.png", viewModel.LayoutSource);
+    }
+
+    [Fact]
+    public void Ersetzen_BehältDateinamenUndLayoutReferenzen()
+    {
+        var viewModel = new DesignerViewModel();
+        viewModel.ImportAsset("logo.png", OnePixelPng);
+        viewModel.InsertSelectedAssetAsImage();
+
+        viewModel.ReplaceSelectedAsset(OnePixelPng);
+
+        Assert.Equal("logo.png", Assert.Single(viewModel.AssetItems).Name);
+        Assert.Contains("IMG logo.png", viewModel.LayoutSource);
+        Assert.Equal(1, viewModel.SelectedAsset!.UsageCount);
+    }
+}