package dispatch

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

// --- EventDispatcher tests ---

func TestEventDispatcher_Registry_Cov2(t *testing.T) {
	ed := &EventDispatcher{
		registry: NewListenerRegistry(),
	}
	r := ed.Registry()
	assert.NotNil(t, r)
}

func TestEventDispatcher_ChannelDispatcher_Nil_Cov2(t *testing.T) {
	ed := &EventDispatcher{}
	// ChannelDispatcher returns nil when not set
	d := ed.ChannelDispatcher()
	_ = d
}

// --- ListenerRegistry tests ---

func TestListenerRegistry_Unsubscribe_Cov2(t *testing.T) {
	lr := NewListenerRegistry()
	lr.Subscribe("listener1", "test_event")
	lr.Unsubscribe("listener1")
	assert.False(t, lr.HasSubscribers("test_event"))
}

func TestListenerRegistry_AllSubscriptions_Cov2(t *testing.T) {
	lr := NewListenerRegistry()
	lr.Subscribe("listener1", "event1")
	lr.Subscribe("listener2", "event2")
	subs := lr.AllSubscriptions()
	assert.Len(t, subs, 2)
}

func TestListenerRegistry_HasSubscribers_Cov2(t *testing.T) {
	lr := NewListenerRegistry()
	assert.False(t, lr.HasSubscribers("nonexistent"))
	lr.Subscribe("listener1", "event1")
	assert.True(t, lr.HasSubscribers("event1"))
}