complete ClientCapabilities struct

capabilities_client_test.go

@@ -56,3 +56,63 @@ func Test_CapabilitiesClient_MarshalOmitEmptyWindow(t *testing.T) {
 		t.Fatalf("expected window to be omitted, got payload: %s", string(data))
 	}
 }
+
+func Test_CapabilitiesClient_UnmarshalTopLevelCapabilities(t *testing.T) {
+	data := []byte(`{
+		"workspace": {"applyEdit": true},
+		"textDocument": {"hover": {"dynamicRegistration": true}},
+		"notebookDocument": {"synchronization": {"dynamicRegistration": true}},
+		"general": {"positionEncodings": ["utf-16", "utf-8"]},
+		"experimental": {"myFeature": true},
+		"window": {"showDocument": {"support": true}}
+	}`)
+
+	var decoded protocol.ClientCapabilities
+	if err := json.Unmarshal(data, &decoded); err != nil {
+		t.Fatalf("unmarshal failed: %v", err)
+	}
+
+	if decoded.Workspace == nil {
+		t.Fatalf("expected workspace capabilities to be present")
+	}
+
+	if decoded.TextDocument == nil {
+		t.Fatalf("expected textDocument capabilities to be present")
+	}
+
+	if decoded.NotebookDocument == nil {
+		t.Fatalf("expected notebookDocument capabilities to be present")
+	}
+
+	if decoded.General == nil {
+		t.Fatalf("expected general capabilities to be present")
+	}
+
+	if decoded.Experimental == nil {
+		t.Fatalf("expected experimental capabilities to be present")
+	}
+
+	if decoded.Window == nil || decoded.Window.ShowDocument == nil || !decoded.Window.ShowDocument.Support {
+		t.Fatalf("expected window.showDocument.support to be true")
+	}
+}
+
+func Test_CapabilitiesClient_MarshalOmitEmptyTopLevelFields(t *testing.T) {
+	original := protocol.ClientCapabilities{}
+
+	data, err := json.Marshal(original)
+	if err != nil {
+		t.Fatalf("marshal failed: %v", err)
+	}
+
+	var payload map[string]any
+	if err := json.Unmarshal(data, &payload); err != nil {
+		t.Fatalf("unmarshal failed: %v", err)
+	}
+
+	for _, key := range []string{"workspace", "textDocument", "notebookDocument", "general", "experimental", "window"} {
+		if _, ok := payload[key]; ok {
+			t.Fatalf("expected %q to be omitted, got payload: %s", key, string(data))
+		}
+	}
+}