package hub

import (
	"testing"
	"time"
)

func TestNew(t *testing.T) {
	h := New()
	if h == nil {
		t.Fatal("New returned nil")
	}
	if h.clients == nil {
		t.Error("clients map not initialized")
	}
	if h.broadcast == nil {
		t.Error("broadcast channel not initialized")
	}
}

func TestClientCount(t *testing.T) {
	h := New()
	go h.Run()

	if count := h.ClientCount(); count != 0 {
		t.Errorf("Expected 0 clients, got %d", count)
	}
}

func TestBroadcastChannel(t *testing.T) {
	h := New()
	go h.Run()

	select {
	case h.broadcast <- []byte("test"):
		// Channel is working
	case <-time.After(100 * time.Millisecond):
		t.Error("broadcast channel blocked")
	}
}