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moby--moby/daemon/events/events_test.go

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package events // import "github.com/docker/docker/daemon/events"
import (
"fmt"
"testing"
"time"
"github.com/docker/docker/api/types/events"
timetypes "github.com/docker/docker/api/types/time"
eventstestutils "github.com/docker/docker/daemon/events/testutils"
)
func TestEventsLog(t *testing.T) {
e := New()
_, l1, _ := e.Subscribe()
_, l2, _ := e.Subscribe()
defer e.Evict(l1)
defer e.Evict(l2)
count := e.SubscribersCount()
if count != 2 {
t.Fatalf("Must be 2 subscribers, got %d", count)
}
actor := events.Actor{
ID: "cont",
Attributes: map[string]string{"image": "image"},
}
e.Log("test", events.ContainerEventType, actor)
select {
case msg := <-l1:
jmsg, ok := msg.(events.Message)
if !ok {
t.Fatalf("Unexpected type %T", msg)
}
if len(e.events) != 1 {
t.Fatalf("Must be only one event, got %d", len(e.events))
}
if jmsg.Status != "test" {
t.Fatalf("Status should be test, got %s", jmsg.Status)
}
if jmsg.ID != "cont" {
t.Fatalf("ID should be cont, got %s", jmsg.ID)
}
if jmsg.From != "image" {
t.Fatalf("From should be image, got %s", jmsg.From)
}
case <-time.After(1 * time.Second):
t.Fatal("Timeout waiting for broadcasted message")
}
select {
case msg := <-l2:
jmsg, ok := msg.(events.Message)
if !ok {
t.Fatalf("Unexpected type %T", msg)
}
if len(e.events) != 1 {
t.Fatalf("Must be only one event, got %d", len(e.events))
}
if jmsg.Status != "test" {
t.Fatalf("Status should be test, got %s", jmsg.Status)
}
if jmsg.ID != "cont" {
t.Fatalf("ID should be cont, got %s", jmsg.ID)
}
if jmsg.From != "image" {
t.Fatalf("From should be image, got %s", jmsg.From)
}
case <-time.After(1 * time.Second):
t.Fatal("Timeout waiting for broadcasted message")
}
}
func TestEventsLogTimeout(t *testing.T) {
e := New()
_, l, _ := e.Subscribe()
defer e.Evict(l)
c := make(chan struct{})
go func() {
actor := events.Actor{
ID: "image",
}
e.Log("test", events.ImageEventType, actor)
close(c)
}()
select {
case <-c:
case <-time.After(time.Second):
t.Fatal("Timeout publishing message")
}
}
func TestLogEvents(t *testing.T) {
e := New()
for i := 0; i < eventsLimit+16; i++ {
action := fmt.Sprintf("action_%d", i)
id := fmt.Sprintf("cont_%d", i)
from := fmt.Sprintf("image_%d", i)
actor := events.Actor{
ID: id,
Attributes: map[string]string{"image": from},
}
e.Log(action, events.ContainerEventType, actor)
}
time.Sleep(50 * time.Millisecond)
current, l, _ := e.Subscribe()
for i := 0; i < 10; i++ {
num := i + eventsLimit + 16
action := fmt.Sprintf("action_%d", num)
id := fmt.Sprintf("cont_%d", num)
from := fmt.Sprintf("image_%d", num)
actor := events.Actor{
ID: id,
Attributes: map[string]string{"image": from},
}
e.Log(action, events.ContainerEventType, actor)
}
if len(e.events) != eventsLimit {
t.Fatalf("Must be %d events, got %d", eventsLimit, len(e.events))
}
var msgs []events.Message
for len(msgs) < 10 {
m := <-l
jm, ok := (m).(events.Message)
if !ok {
t.Fatalf("Unexpected type %T", m)
}
msgs = append(msgs, jm)
}
if len(current) != eventsLimit {
t.Fatalf("Must be %d events, got %d", eventsLimit, len(current))
}
first := current[0]
// TODO remove this once we removed the deprecated `ID`, `Status`, and `From` fields
if first.Action != first.Status {
// Verify that the (deprecated) Status is set to the expected value
t.Fatalf("Action (%s) does not match Status (%s)", first.Action, first.Status)
}
if first.Action != "action_16" {
t.Fatalf("First action is %s, must be action_16", first.Action)
}
last := current[len(current)-1]
if last.Action != "action_271" {
t.Fatalf("Last action is %s, must be action_271", last.Action)
}
firstC := msgs[0]
if firstC.Action != "action_272" {
t.Fatalf("First action is %s, must be action_272", firstC.Action)
}
lastC := msgs[len(msgs)-1]
if lastC.Action != "action_281" {
t.Fatalf("Last action is %s, must be action_281", lastC.Action)
}
}
// https://github.com/docker/docker/issues/20999
// Fixtures:
//
// 2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)
// 2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)
// 2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)
func TestLoadBufferedEvents(t *testing.T) {
now := time.Now()
f, err := timetypes.GetTimestamp("2016-03-07T17:28:03.100000000+02:00", now)
if err != nil {
t.Fatal(err)
}
s, sNano, err := timetypes.ParseTimestamps(f, -1)
if err != nil {
t.Fatal(err)
}
m1, err := eventstestutils.Scan("2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
if err != nil {
t.Fatal(err)
}
m2, err := eventstestutils.Scan("2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)")
if err != nil {
t.Fatal(err)
}
m3, err := eventstestutils.Scan("2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
if err != nil {
t.Fatal(err)
}
events := &Events{
events: []events.Message{*m1, *m2, *m3},
}
since := time.Unix(s, sNano)
until := time.Time{}
out := events.loadBufferedEvents(since, until, nil)
if len(out) != 1 {
t.Fatalf("expected 1 message, got %d: %v", len(out), out)
}
}
func TestLoadBufferedEventsOnlyFromPast(t *testing.T) {
now := time.Now()
f, err := timetypes.GetTimestamp("2016-03-07T17:28:03.090000000+02:00", now)
if err != nil {
t.Fatal(err)
}
s, sNano, err := timetypes.ParseTimestamps(f, 0)
if err != nil {
t.Fatal(err)
}
f, err = timetypes.GetTimestamp("2016-03-07T17:28:03.100000000+02:00", now)
if err != nil {
t.Fatal(err)
}
u, uNano, err := timetypes.ParseTimestamps(f, 0)
if err != nil {
t.Fatal(err)
}
m1, err := eventstestutils.Scan("2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
if err != nil {
t.Fatal(err)
}
m2, err := eventstestutils.Scan("2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)")
if err != nil {
t.Fatal(err)
}
m3, err := eventstestutils.Scan("2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
if err != nil {
t.Fatal(err)
}
events := &Events{
events: []events.Message{*m1, *m2, *m3},
}
since := time.Unix(s, sNano)
until := time.Unix(u, uNano)
out := events.loadBufferedEvents(since, until, nil)
if len(out) != 1 {
t.Fatalf("expected 1 message, got %d: %v", len(out), out)
}
if out[0].Type != "network" {
t.Fatalf("expected network event, got %s", out[0].Type)
}
}
// #13753
func TestIgnoreBufferedWhenNoTimes(t *testing.T) {
m1, err := eventstestutils.Scan("2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
if err != nil {
t.Fatal(err)
}
m2, err := eventstestutils.Scan("2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)")
if err != nil {
t.Fatal(err)
}
m3, err := eventstestutils.Scan("2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
if err != nil {
t.Fatal(err)
}
events := &Events{
events: []events.Message{*m1, *m2, *m3},
}
since := time.Time{}
until := time.Time{}
out := events.loadBufferedEvents(since, until, nil)
if len(out) != 0 {
t.Fatalf("expected 0 buffered events, got %q", out)
}
}