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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package stun
import (
"errors"
"testing"
"time"
)
func TestAgent_ProcessInTransaction(t *testing.T) {
m := New()
a := NewAgent(func(e Event) {
if e.Error != nil {
t.Errorf("got error: %s", e.Error)
}
if !e.Message.Equal(m) {
t.Errorf("%s (got) != %s (expected)", e.Message, m)
}
})
if err := m.NewTransactionID(); err != nil {
t.Fatal(err)
}
if err := a.Start(m.TransactionID, time.Time{}); err != nil {
t.Fatal(err)
}
if err := a.Process(m); err != nil {
t.Error(err)
}
if err := a.Close(); err != nil {
t.Error(err)
}
}
func TestAgent_Process(t *testing.T) {
m := New()
a := NewAgent(func(e Event) {
if e.Error != nil {
t.Errorf("got error: %s", e.Error)
}
if !e.Message.Equal(m) {
t.Errorf("%s (got) != %s (expected)", e.Message, m)
}
})
if err := m.NewTransactionID(); err != nil {
t.Fatal(err)
}
if err := a.Process(m); err != nil {
t.Error(err)
}
if err := a.Close(); err != nil {
t.Error(err)
}
if err := a.Process(m); !errors.Is(err, ErrAgentClosed) {
t.Errorf("closed agent should return <%s>, but got <%s>",
ErrAgentClosed, err,
)
}
}
func TestAgent_Start(t *testing.T) {
a := NewAgent(nil)
id := NewTransactionID()
deadline := time.Now().AddDate(0, 0, 1)
if err := a.Start(id, deadline); err != nil {
t.Errorf("failed to statt transaction: %s", err)
}
if err := a.Start(id, deadline); !errors.Is(err, ErrTransactionExists) {
t.Errorf("duplicate start should return <%s>, got <%s>",
ErrTransactionExists, err,
)
}
if err := a.Close(); err != nil {
t.Error(err)
}
id = NewTransactionID()
if err := a.Start(id, deadline); !errors.Is(err, ErrAgentClosed) {
t.Errorf("start on closed agent should return <%s>, got <%s>",
ErrAgentClosed, err,
)
}
if err := a.SetHandler(nil); !errors.Is(err, ErrAgentClosed) {
t.Errorf("SetHandler on closed agent should return <%s>, got <%s>",
ErrAgentClosed, err,
)
}
}
func TestAgent_Stop(t *testing.T) {
called := make(chan Event, 1)
a := NewAgent(func(e Event) {
called <- e
})
if err := a.Stop(transactionID{}); !errors.Is(err, ErrTransactionNotExists) {
t.Fatalf("unexpected error: %s, should be %s", err, ErrTransactionNotExists)
}
id := NewTransactionID()
timeout := time.Millisecond * 200
if err := a.Start(id, time.Now().Add(timeout)); err != nil {
t.Fatal(err)
}
if err := a.Stop(id); err != nil {
t.Fatal(err)
}
select {
case e := <-called:
if !errors.Is(e.Error, ErrTransactionStopped) {
t.Fatalf("unexpected error: %s, should be %s",
e.Error, ErrTransactionStopped,
)
}
case <-time.After(timeout * 2):
t.Fatal("timed out")
}
if err := a.Close(); err != nil {
t.Fatal(err)
}
if err := a.Close(); !errors.Is(err, ErrAgentClosed) {
t.Fatalf("a.Close returned %s instead of %s", err, ErrAgentClosed)
}
if err := a.Stop(transactionID{}); !errors.Is(err, ErrAgentClosed) {
t.Fatalf("unexpected error: %s, should be %s", err, ErrAgentClosed)
}
}
func TestAgent_GC(t *testing.T) {
a := NewAgent(nil)
shouldTimeOutID := make(map[transactionID]bool)
deadline := time.Date(2027, time.November, 21,
23, 0, 0, 0,
time.UTC,
)
gcDeadline := deadline.Add(-time.Second)
deadlineNotGC := gcDeadline.AddDate(0, 0, -1)
a.SetHandler(func(e Event) { //nolint:errcheck,gosec
id := e.TransactionID
shouldTimeOut, found := shouldTimeOutID[id]
if !found {
t.Error("unexpected transaction ID")
}
if shouldTimeOut && !errors.Is(e.Error, ErrTransactionTimeOut) {
t.Errorf("%x should time out, but got %v", id, e.Error)
}
if !shouldTimeOut && errors.Is(e.Error, ErrTransactionTimeOut) {
t.Errorf("%x should not time out, but got %v", id, e.Error)
}
})
for i := 0; i < 5; i++ {
id := NewTransactionID()
shouldTimeOutID[id] = false
if err := a.Start(id, deadline); err != nil {
t.Fatal(err)
}
}
for i := 0; i < 5; i++ {
id := NewTransactionID()
shouldTimeOutID[id] = true
if err := a.Start(id, deadlineNotGC); err != nil {
t.Fatal(err)
}
}
if err := a.Collect(gcDeadline); err != nil {
t.Fatal(err)
}
if err := a.Close(); err != nil {
t.Error(err)
}
if err := a.Collect(gcDeadline); !errors.Is(err, ErrAgentClosed) {
t.Errorf("should <%s>, but got <%s>", ErrAgentClosed, err)
}
}
func BenchmarkAgent_GC(b *testing.B) {
a := NewAgent(nil)
deadline := time.Now().AddDate(0, 0, 1)
for i := 0; i < agentCollectCap; i++ {
if err := a.Start(NewTransactionID(), deadline); err != nil {
b.Fatal(err)
}
}
defer func() {
if err := a.Close(); err != nil {
b.Error(err)
}
}()
b.ReportAllocs()
gcDeadline := deadline.Add(-time.Second)
for i := 0; i < b.N; i++ {
if err := a.Collect(gcDeadline); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkAgent_Process(b *testing.B) {
a := NewAgent(nil)
deadline := time.Now().AddDate(0, 0, 1)
for i := 0; i < 1000; i++ {
if err := a.Start(NewTransactionID(), deadline); err != nil {
b.Fatal(err)
}
}
defer func() {
if err := a.Close(); err != nil {
b.Error(err)
}
}()
b.ReportAllocs()
m := MustBuild(TransactionID)
for i := 0; i < b.N; i++ {
if err := a.Process(m); err != nil {
b.Fatal(err)
}
}
}
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