fix(a2a): reject malformed file part URLs as prompt errors

2026-10-07 12:41:55 +00:00
parent ee06e84cd5
commit ab4af2cc21
2 changed files with 10 additions and 1 deletions
--- a/tests/Volcanic.AgenticCore.A2A.Server.Tests/PromptTests.cs
+++ b/tests/Volcanic.AgenticCore.A2A.Server.Tests/PromptTests.cs
@@ -33,6 +33,14 @@ public sealed class PromptTests : IDisposable
        Assert.Equal("hello", File.ReadAllText(Path.Combine(_ws, relative)));
    }

+    [Fact]
+    public async Task Files_BadUrl_Throws()
+    {
+        var part = Part.FromUrl("not a url", "text/plain", null);
+        await Assert.ThrowsAsync<A2APromptException>(() =>
+            A2APrompt.BuildAsync(Caller, Msg(part), 1024, new HttpClient(), TimeProvider.System, default));
+    }
+
    [Fact]
    public async Task DataPart_BecomesFencedJson()
    {