func TestSafeRetry(t *testing.T) {
t.Parallel()
port, err := freeport.Get()
if err != nil {
t.Fatal(err)
}
addr := fmt.Sprintf("127.0.0.1:%d", port)
server := httptest.NewUnstartedServer(sleepHandler(time.Millisecond))
transport := &httpcontrol.Transport{
MaxTries: 2,
}
first := false
second := false
transport.Stats = func(stats *httpcontrol.Stats) {
if !first {
first = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
server.Listener, err = net.Listen("tcp", addr)
if err != nil {
t.Fatal(err)
}
server.Start()
return
}
if !second {
second = true
if stats.Error != nil {
t.Fatal(stats.Error, server.URL)
}
return
}
}
defer call(transport.Close, t)
client := &http.Client{Transport: transport}
res, err := client.Get(fmt.Sprintf("http://%s/", addr))
if err != nil {
t.Fatal(err)
}
assertResponse(res, t)
if !first {
t.Fatal("did not see first request")
}
if !second {
t.Fatal("did not see second request")
}
}
func TestSafeRetryAfterTimeout(t *testing.T) {
t.Parallel()
port, err := freeport.Get()
if err != nil {
t.Fatal(err)
}
addr := fmt.Sprintf("127.0.0.1:%d", port)
server := httptest.NewUnstartedServer(sleepHandler(5 * time.Second))
transport := &httpcontrol.Transport{
MaxTries: 3,
RequestTimeout: 5 * time.Millisecond,
RetryAfterTimeout: true,
}
first := false
second := false
third := false
transport.Stats = func(stats *httpcontrol.Stats) {
if !first {
first = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
server.Listener, err = net.Listen("tcp", addr)
if err != nil {
t.Fatal(err)
}
server.Start()
return
}
if !second {
second = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
return
}
if !third {
third = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
}
}
client := &http.Client{Transport: transport}
_, err = client.Get(fmt.Sprintf("http://%s/", addr))
// Expect this to fail
if err == nil {
t.Fatal(err)
}
if !first {
t.Fatal("did not see first request")
}
if !second {
t.Fatal("did not see second request")
}
if !third {
t.Fatal("did not see third request")
}
}