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third_party/sendspin-go/pkg/sendspin/role_controller_test.go

@@ -0,0 +1,104 @@
+// ABOUTME: Tests for the ControllerGroupRole implementation
+// ABOUTME: Verifies command dispatch and controller state push on join
+package sendspin
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestControllerRole_HandleCommand(t *testing.T) {
+	var received string
+	var receivedClient *ServerClient
+
+	ctrl := NewControllerRole(ControllerConfig{
+		SupportedCommands: []string{"next", "previous"},
+		OnCommand: func(c *ServerClient, command string) {
+			receivedClient = c
+			received = command
+		},
+	})
+
+	sc := &ServerClient{id: "c1", sendChan: make(chan interface{}, 10)}
+	payload := json.RawMessage(`{"command":"next"}`)
+
+	err := ctrl.HandleMessage(sc, payload)
+	if err != nil {
+		t.Fatalf("HandleMessage: %v", err)
+	}
+	if received != "next" {
+		t.Errorf("received command = %q, want %q", received, "next")
+	}
+	if receivedClient == nil || receivedClient.ID() != "c1" {
+		t.Error("OnCommand did not receive the correct client")
+	}
+}
+
+func TestControllerRole_HandleCommandNoCallback(t *testing.T) {
+	ctrl := NewControllerRole(ControllerConfig{
+		SupportedCommands: []string{"next"},
+	})
+
+	err := ctrl.HandleMessage(&ServerClient{id: "c1"}, json.RawMessage(`{"command":"next"}`))
+	if err != nil {
+		t.Errorf("HandleMessage without callback should not error, got %v", err)
+	}
+}
+
+func TestControllerRole_HandleCommandMissingField(t *testing.T) {
+	ctrl := NewControllerRole(ControllerConfig{})
+
+	err := ctrl.HandleMessage(&ServerClient{id: "c1"}, json.RawMessage(`{}`))
+	if err == nil {
+		t.Error("HandleMessage with empty command should return error")
+	}
+}
+
+func TestControllerRole_OnClientJoinSendsState(t *testing.T) {
+	ctrl := NewControllerRole(ControllerConfig{
+		SupportedCommands: []string{"next", "previous", "play", "pause"},
+	})
+
+	sc := &ServerClient{
+		id:       "c1",
+		roles:    []string{"controller@v1"},
+		sendChan: make(chan interface{}, 10),
+	}
+
+	ctrl.OnClientJoin(sc)
+
+	select {
+	case msg := <-sc.sendChan:
+		_ = msg // Verifies a message was enqueued
+	default:
+		t.Fatal("OnClientJoin did not send controller state to client")
+	}
+}
+
+func TestControllerRole_OnClientJoinSkipsNonControllerClient(t *testing.T) {
+	ctrl := NewControllerRole(ControllerConfig{
+		SupportedCommands: []string{"next"},
+	})
+
+	sc := &ServerClient{
+		id:       "c1",
+		roles:    []string{"player@v1"},
+		sendChan: make(chan interface{}, 10),
+	}
+
+	ctrl.OnClientJoin(sc)
+
+	select {
+	case <-sc.sendChan:
+		t.Error("OnClientJoin should not send state to non-controller client")
+	default:
+		// Correct — nothing sent.
+	}
+}
+
+func TestControllerRole_Role(t *testing.T) {
+	ctrl := NewControllerRole(ControllerConfig{})
+	if ctrl.Role() != "controller" {
+		t.Errorf("Role() = %q, want %q", ctrl.Role(), "controller")
+	}
+}