Port

Tests/Unit/EpPortTests.cs

@@ -0,0 +1,22 @@
+using Esiur.Protocol;
+using Esiur.Resource;
+
+namespace Esiur.Tests.Unit;
+
+public sealed class EpPortTests
+{
+    [Fact]
+    public void ServerDoesNotAssignAProtocolPort()
+        => Assert.Equal(0, new EpServer().Port);
+
+    [Fact]
+    public async Task ClientEndpointWithoutPortIsRejected()
+    {
+        var warehouse = new Warehouse();
+
+        var exception = await Assert.ThrowsAsync<FormatException>(async () =>
+            await warehouse.Get<EpConnection>("ep://localhost/sys/resource"));
+
+        Assert.Contains("explicit port", exception.Message, StringComparison.OrdinalIgnoreCase);
+    }
+}