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listeners_test.go
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listeners_test.go
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package mqtt
import (
"fmt"
"net"
"sync"
"testing"
"time"
"github.com/snple/mqtt/system"
"github.com/stretchr/testify/require"
)
func TestNewListeners(t *testing.T) {
l := NewListeners(nil)
require.NotNil(t, l.internal)
}
func BenchmarkNewListeners(b *testing.B) {
for n := 0; n < b.N; n++ {
NewListeners(nil)
}
}
func TestAddListener(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
require.Contains(t, l.internal, "t1")
}
func BenchmarkAddListener(b *testing.B) {
l := NewListeners(nil)
mocked := NewMockListener("t1", ":1882")
for n := 0; n < b.N; n++ {
l.Add(mocked)
}
}
func TestGetListener(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
l.Add(NewMockListener("t2", ":1882"))
require.Contains(t, l.internal, "t1")
require.Contains(t, l.internal, "t2")
g, ok := l.Get("t1")
require.Equal(t, true, ok)
require.Equal(t, g.ID(), "t1")
}
func BenchmarkGetListener(b *testing.B) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
for n := 0; n < b.N; n++ {
l.Get("t1")
}
}
func TestLenListener(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
l.Add(NewMockListener("t2", ":1882"))
require.Contains(t, l.internal, "t1")
require.Contains(t, l.internal, "t2")
require.Equal(t, 2, l.Len())
}
func BenchmarkLenListener(b *testing.B) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
for n := 0; n < b.N; n++ {
l.Len()
}
}
func TestDeleteListener(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
require.Contains(t, l.internal, "t1")
l.Delete("t1")
_, ok := l.Get("t1")
require.Equal(t, false, ok)
require.Nil(t, l.internal["t1"])
}
func BenchmarkDeleteListener(b *testing.B) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
for n := 0; n < b.N; n++ {
l.Delete("t1")
}
}
func TestServeListener(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
l.Serve("t1", MockEstablisher)
time.Sleep(time.Millisecond)
require.Equal(t, true, l.internal["t1"].(*MockListener).IsServing())
l.Close("t1", MockCloser)
require.Equal(t, false, l.internal["t1"].(*MockListener).IsServing())
}
func BenchmarkServeListener(b *testing.B) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
for n := 0; n < b.N; n++ {
l.Serve("t1", MockEstablisher)
}
}
func TestServeAllListeners(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
l.Add(NewMockListener("t2", ":1882"))
l.Add(NewMockListener("t3", ":1882"))
l.ServeAll(MockEstablisher)
time.Sleep(time.Millisecond)
require.Equal(t, true, l.internal["t1"].(*MockListener).IsServing())
require.Equal(t, true, l.internal["t2"].(*MockListener).IsServing())
require.Equal(t, true, l.internal["t3"].(*MockListener).IsServing())
l.Close("t1", MockCloser)
l.Close("t2", MockCloser)
l.Close("t3", MockCloser)
require.Equal(t, false, l.internal["t1"].(*MockListener).IsServing())
require.Equal(t, false, l.internal["t2"].(*MockListener).IsServing())
require.Equal(t, false, l.internal["t3"].(*MockListener).IsServing())
}
func BenchmarkServeAllListeners(b *testing.B) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
l.Add(NewMockListener("t2", ":1883"))
l.Add(NewMockListener("t3", ":1884"))
for n := 0; n < b.N; n++ {
l.ServeAll(MockEstablisher)
}
}
func TestCloseListener(t *testing.T) {
l := NewListeners(nil)
mocked := NewMockListener("t1", ":1882")
l.Add(mocked)
l.Serve("t1", MockEstablisher)
time.Sleep(time.Millisecond)
var closed bool
l.Close("t1", func(id string) {
closed = true
})
require.Equal(t, true, closed)
}
func BenchmarkCloseListener(b *testing.B) {
l := NewListeners(nil)
mocked := NewMockListener("t1", ":1882")
l.Add(mocked)
l.Serve("t1", MockEstablisher)
for n := 0; n < b.N; n++ {
l.internal["t1"].(*MockListener).done = make(chan bool)
l.Close("t1", MockCloser)
}
}
func TestCloseAllListeners(t *testing.T) {
l := NewListeners(nil)
l.Add(NewMockListener("t1", ":1882"))
l.Add(NewMockListener("t2", ":1882"))
l.Add(NewMockListener("t3", ":1882"))
l.ServeAll(MockEstablisher)
time.Sleep(time.Millisecond)
require.Equal(t, true, l.internal["t1"].(*MockListener).IsServing())
require.Equal(t, true, l.internal["t2"].(*MockListener).IsServing())
require.Equal(t, true, l.internal["t3"].(*MockListener).IsServing())
closed := make(map[string]bool)
l.CloseAll(func(id string) {
closed[id] = true
})
require.Contains(t, closed, "t1")
require.Contains(t, closed, "t2")
require.Contains(t, closed, "t3")
require.Equal(t, true, closed["t1"])
require.Equal(t, true, closed["t2"])
require.Equal(t, true, closed["t3"])
}
func BenchmarkCloseAllListeners(b *testing.B) {
l := NewListeners(nil)
mocked := NewMockListener("t1", ":1882")
l.Add(mocked)
l.Serve("t1", MockEstablisher)
for n := 0; n < b.N; n++ {
l.internal["t1"].(*MockListener).done = make(chan bool)
l.Close("t1", MockCloser)
}
}
// MockCloser is a function signature which can be used in testing.
func MockCloser(id string) {}
// MockEstablisher is a function signature which can be used in testing.
func MockEstablisher(id string, c net.Conn, auth Auth) error {
return nil
}
// MockListener is a mock listener for establishing client connections.
type MockListener struct {
sync.RWMutex
id string // the id of the listener.
address string // the network address the listener binds to.
Listening bool // indiciate the listener is listening.
Serving bool // indicate the listener is serving.
done chan bool // indicate the listener is done.
ErrListen bool // throw an error on listen.
}
// NewMockListener returns a new instance of MockListener
func NewMockListener(id, address string) *MockListener {
return &MockListener{
id: id,
address: address,
done: make(chan bool),
}
}
// Serve serves the mock listener.
func (l *MockListener) Serve(establisher EstablishFunc) error {
l.Lock()
l.Serving = true
l.Unlock()
for {
select {
case <-l.done:
return nil
}
}
}
// SetConfig sets the configuration values of the mock listener.
func (l *MockListener) Listen(s *system.Info) error {
if l.ErrListen {
return fmt.Errorf("listen failure")
}
l.Lock()
l.Listening = true
l.Unlock()
return nil
}
// ID returns the id of the mock listener.
func (l *MockListener) ID() string {
l.RLock()
id := l.id
l.RUnlock()
return id
}
func (l *MockListener) Auth() Auth {
return nil
}
// Close closes the mock listener.
func (l *MockListener) Close(closer CloseFunc) {
l.Lock()
defer l.Unlock()
l.Serving = false
closer(l.id)
close(l.done)
}
// IsServing indicates whether the mock listener is serving.
func (l *MockListener) IsServing() bool {
l.Lock()
defer l.Unlock()
return l.Serving
}
// IsServing indicates whether the mock listener is listening.
func (l *MockListener) IsListening() bool {
l.Lock()
defer l.Unlock()
return l.Listening
}