registry/notifications/bridge_test.go

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package notifications
import (
"testing"
"github.com/docker/distribution"
"github.com/docker/distribution/manifest/schema1"
"github.com/docker/distribution/reference"
v2 "github.com/docker/distribution/registry/api/v2"
"github.com/docker/distribution/uuid"
events "github.com/docker/go-events"
"github.com/docker/libtrust"
"github.com/opencontainers/go-digest"
)
var (
// common environment for expected manifest events.
repo = "test/repo"
source = SourceRecord{
Addr: "remote.test",
InstanceID: uuid.Generate().String(),
}
ub = mustUB(v2.NewURLBuilderFromString("http://test.example.com/", false))
actor = ActorRecord{
Name: "test",
}
request = RequestRecord{}
layers = []schema1.FSLayer{
{
BlobSum: "asdf",
},
{
BlobSum: "qwer",
},
}
m = schema1.Manifest{
Name: repo,
Tag: "latest",
FSLayers: layers,
}
sm *schema1.SignedManifest
payload []byte
dgst digest.Digest
)
func TestEventBridgeManifestPulled(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkCommonManifest(t, EventActionPull, event)
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.ManifestPulled(repoRef, sm); err != nil {
t.Fatalf("unexpected error notifying manifest pull: %v", err)
}
}
func TestEventBridgeManifestPushed(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkCommonManifest(t, EventActionPush, event)
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.ManifestPushed(repoRef, sm); err != nil {
t.Fatalf("unexpected error notifying manifest pull: %v", err)
}
}
func TestEventBridgeManifestPushedWithTag(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkCommonManifest(t, EventActionPush, event)
if event.(Event).Target.Tag != "latest" {
t.Fatalf("missing or unexpected tag: %#v", event.(Event).Target)
}
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.ManifestPushed(repoRef, sm, distribution.WithTag(m.Tag)); err != nil {
t.Fatalf("unexpected error notifying manifest pull: %v", err)
}
}
func TestEventBridgeManifestPulledWithTag(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkCommonManifest(t, EventActionPull, event)
if event.(Event).Target.Tag != "latest" {
t.Fatalf("missing or unexpected tag: %#v", event.(Event).Target)
}
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.ManifestPulled(repoRef, sm, distribution.WithTag(m.Tag)); err != nil {
t.Fatalf("unexpected error notifying manifest pull: %v", err)
}
}
func TestEventBridgeManifestDeleted(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkDeleted(t, EventActionDelete, event)
if event.(Event).Target.Digest != dgst {
t.Fatalf("unexpected digest on event target: %q != %q", event.(Event).Target.Digest, dgst)
}
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.ManifestDeleted(repoRef, dgst); err != nil {
t.Fatalf("unexpected error notifying manifest pull: %v", err)
}
}
func TestEventBridgeTagDeleted(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkDeleted(t, EventActionDelete, event)
if event.(Event).Target.Tag != m.Tag {
t.Fatalf("unexpected tag on event target: %q != %q", event.(Event).Target.Tag, m.Tag)
}
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.TagDeleted(repoRef, m.Tag); err != nil {
t.Fatalf("unexpected error notifying tag deletion: %v", err)
}
}
func TestEventBridgeRepoDeleted(t *testing.T) {
l := createTestEnv(t, testSinkFn(func(event events.Event) error {
checkDeleted(t, EventActionDelete, event)
return nil
}))
repoRef, _ := reference.WithName(repo)
if err := l.RepoDeleted(repoRef); err != nil {
t.Fatalf("unexpected error notifying repo deletion: %v", err)
}
}
func createTestEnv(t *testing.T, fn testSinkFn) Listener {
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("error generating private key: %v", err)
}
sm, err = schema1.Sign(&m, pk)
if err != nil {
t.Fatalf("error signing manifest: %v", err)
}
payload = sm.Canonical
dgst = digest.FromBytes(payload)
return NewBridge(ub, source, actor, request, fn, true)
}
func checkDeleted(t *testing.T, action string, event events.Event) {
if event.(Event).Source != source {
t.Fatalf("source not equal: %#v != %#v", event.(Event).Source, source)
}
if event.(Event).Request != request {
t.Fatalf("request not equal: %#v != %#v", event.(Event).Request, request)
}
if event.(Event).Actor != actor {
t.Fatalf("request not equal: %#v != %#v", event.(Event).Actor, actor)
}
if event.(Event).Target.Repository != repo {
t.Fatalf("unexpected repository: %q != %q", event.(Event).Target.Repository, repo)
}
}
func checkCommonManifest(t *testing.T, action string, event events.Event) {
checkCommon(t, event)
if event.(Event).Action != action {
t.Fatalf("unexpected event action: %q != %q", event.(Event).Action, action)
}
repoRef, _ := reference.WithName(repo)
ref, _ := reference.WithDigest(repoRef, dgst)
u, err := ub.BuildManifestURL(ref)
if err != nil {
t.Fatalf("error building expected url: %v", err)
}
if event.(Event).Target.URL != u {
t.Fatalf("incorrect url passed: \n%q != \n%q", event.(Event).Target.URL, u)
}
if len(event.(Event).Target.References) != len(layers) {
t.Fatalf("unexpected number of references %v != %v", len(event.(Event).Target.References), len(layers))
}
for i, targetReference := range event.(Event).Target.References {
if targetReference.Digest != layers[i].BlobSum {
t.Fatalf("unexpected reference: %q != %q", targetReference.Digest, layers[i].BlobSum)
}
}
}
func checkCommon(t *testing.T, event events.Event) {
if event.(Event).Source != source {
t.Fatalf("source not equal: %#v != %#v", event.(Event).Source, source)
}
if event.(Event).Request != request {
t.Fatalf("request not equal: %#v != %#v", event.(Event).Request, request)
}
if event.(Event).Actor != actor {
t.Fatalf("request not equal: %#v != %#v", event.(Event).Actor, actor)
}
if event.(Event).Target.Digest != dgst {
t.Fatalf("unexpected digest on event target: %q != %q", event.(Event).Target.Digest, dgst)
}
if event.(Event).Target.Length != int64(len(payload)) {
t.Fatalf("unexpected target length: %v != %v", event.(Event).Target.Length, len(payload))
}
if event.(Event).Target.Repository != repo {
t.Fatalf("unexpected repository: %q != %q", event.(Event).Target.Repository, repo)
}
}
type testSinkFn func(event events.Event) error
func (tsf testSinkFn) Write(event events.Event) error {
return tsf(event)
}
func (tsf testSinkFn) Close() error { return nil }
func mustUB(ub *v2.URLBuilder, err error) *v2.URLBuilder {
if err != nil {
panic(err)
}
return ub
}