Initial Commit

tests/Decky.Core.Tests/CardUpdateRequestTests.cs

@@ -0,0 +1,40 @@
+using System.Text.Json;
+using Decky.Core.Api.Models;
+using Decky.Core.Api.Requests;
+
+namespace Decky.Core.Tests;
+
+public sealed class CardUpdateRequestTests
+{
+    [Fact]
+    public void FromCard_preserves_fields_and_serializes_explicit_null_done()
+    {
+        var card = new CardDto
+        {
+            Id = 7,
+            StackId = 3,
+            Title = "Original",
+            Description = "Details",
+            Type = "plain",
+            Owner = "elijah",
+            Order = 42,
+            Archived = false,
+            Done = DateTimeOffset.Parse("2026-07-19T12:00:00Z"),
+            DueDate = DateTimeOffset.Parse("2026-07-20T12:00:00Z"),
+            StartDate = DateTimeOffset.Parse("2026-07-18T12:00:00Z"),
+            Color = "d99080",
+        };
+
+        var request = CardUpdateRequest.FromCard(card, title: "Changed", done: null, replaceDone: true);
+        var json = JsonSerializer.Serialize(request, new JsonSerializerOptions(JsonSerializerDefaults.Web));
+        using var document = JsonDocument.Parse(json);
+        var root = document.RootElement;
+
+        Assert.Equal("Changed", root.GetProperty("title").GetString());
+        Assert.Equal("elijah", root.GetProperty("owner").GetString());
+        Assert.Equal("D99080", root.GetProperty("color").GetString());
+        Assert.Equal("2026-07-20T12:00:00+00:00", root.GetProperty("duedate").GetString());
+        Assert.Equal(JsonValueKind.Null, root.GetProperty("done").ValueKind);
+    }
+}
+