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helm/cmd/tiller/release_server_test.go

321 lines
8.0 KiB

package main
import (
"fmt"
"os"
"strings"
"testing"
"github.com/golang/protobuf/ptypes/timestamp"
"github.com/kubernetes/helm/cmd/tiller/environment"
"github.com/kubernetes/helm/pkg/proto/hapi/chart"
"github.com/kubernetes/helm/pkg/proto/hapi/release"
"github.com/kubernetes/helm/pkg/proto/hapi/services"
"github.com/kubernetes/helm/pkg/storage"
"github.com/kubernetes/helm/pkg/timeconv"
"golang.org/x/net/context"
"google.golang.org/grpc/metadata"
)
func rsFixture() *releaseServer {
return &releaseServer{
env: mockEnvironment(),
}
}
func releaseMock() *release.Release {
date := timestamp.Timestamp{Seconds: 242085845, Nanos: 0}
return &release.Release{
Name: "angry-panda",
Info: &release.Info{
FirstDeployed: &date,
LastDeployed: &date,
Status: &release.Status{Code: release.Status_DEPLOYED},
},
Chart: &chart.Chart{
Metadata: &chart.Metadata{
Name: "foo",
Version: "0.1.0-beta.1",
},
Templates: []*chart.Template{
{Name: "foo.tpl", Data: []byte("Hello")},
},
},
Config: &chart.Config{Raw: `name = "value"`},
}
}
func TestInstallRelease(t *testing.T) {
c := context.Background()
rs := rsFixture()
req := &services.InstallReleaseRequest{
Chart: &chart.Chart{
Metadata: &chart.Metadata{Name: "hello"},
Templates: []*chart.Template{
{Name: "hello", Data: []byte("hello: world")},
},
},
}
res, err := rs.InstallRelease(c, req)
if err != nil {
t.Errorf("Failed install: %s", err)
}
if res.Release.Name == "" {
t.Errorf("Expected release name.")
}
rel, err := rs.env.Releases.Read(res.Release.Name)
if err != nil {
t.Errorf("Expected release for %s (%v).", res.Release.Name, rs.env.Releases)
}
t.Logf("rel: %v", rel)
if len(res.Release.Manifest) == 0 {
t.Errorf("No manifest returned: %v", res.Release)
}
if len(rel.Manifest) == 0 {
t.Errorf("Expected manifest in %v", res)
}
if !strings.Contains(rel.Manifest, "---\n# Source: hello\nhello: world") {
t.Errorf("unexpected output: %s", rel.Manifest)
}
}
func TestInstallReleaseDryRun(t *testing.T) {
c := context.Background()
rs := rsFixture()
req := &services.InstallReleaseRequest{
Chart: &chart.Chart{
Metadata: &chart.Metadata{Name: "hello"},
Templates: []*chart.Template{
{Name: "hello", Data: []byte("hello: world")},
{Name: "goodbye", Data: []byte("goodbye: world")},
{Name: "empty", Data: []byte("")},
},
},
DryRun: true,
}
res, err := rs.InstallRelease(c, req)
if err != nil {
t.Errorf("Failed install: %s", err)
}
if res.Release.Name == "" {
t.Errorf("Expected release name.")
}
if !strings.Contains(res.Release.Manifest, "---\n# Source: hello\nhello: world") {
t.Errorf("unexpected output: %s", res.Release.Manifest)
}
if !strings.Contains(res.Release.Manifest, "---\n# Source: goodbye\ngoodbye: world") {
t.Errorf("unexpected output: %s", res.Release.Manifest)
}
if strings.Contains(res.Release.Manifest, "empty") {
t.Errorf("Should not contain template data for an empty file. %s", res.Release.Manifest)
}
if _, err := rs.env.Releases.Read(res.Release.Name); err == nil {
t.Errorf("Expected no stored release.")
}
}
func TestUninstallRelease(t *testing.T) {
c := context.Background()
rs := rsFixture()
rs.env.Releases.Create(&release.Release{
Name: "angry-panda",
Info: &release.Info{
FirstDeployed: timeconv.Now(),
Status: &release.Status{
Code: release.Status_DEPLOYED,
},
},
})
req := &services.UninstallReleaseRequest{
Name: "angry-panda",
}
res, err := rs.UninstallRelease(c, req)
if err != nil {
t.Errorf("Failed uninstall: %s", err)
}
if res.Release.Name != "angry-panda" {
t.Errorf("Expected angry-panda, got %q", res.Release.Name)
}
if res.Release.Info.Status.Code != release.Status_DELETED {
t.Errorf("Expected status code to be DELETED, got %d", res.Release.Info.Status.Code)
}
if res.Release.Info.Deleted.Seconds <= 0 {
t.Errorf("Expected valid UNIX date, got %d", res.Release.Info.Deleted.Seconds)
}
}
func TestGetReleaseContent(t *testing.T) {
c := context.Background()
rs := rsFixture()
rel := releaseMock()
if err := rs.env.Releases.Create(rel); err != nil {
t.Fatalf("Could not store mock release: %s", err)
}
res, err := rs.GetReleaseContent(c, &services.GetReleaseContentRequest{Name: rel.Name})
if err != nil {
t.Errorf("Error getting release content: %s", err)
}
if res.Release.Chart.Metadata.Name != rel.Chart.Metadata.Name {
t.Errorf("Expected %q, got %q", rel.Chart.Metadata.Name, res.Release.Chart.Metadata.Name)
}
}
func TestGetReleaseStatus(t *testing.T) {
c := context.Background()
rs := rsFixture()
rel := releaseMock()
if err := rs.env.Releases.Create(rel); err != nil {
t.Fatalf("Could not store mock release: %s", err)
}
res, err := rs.GetReleaseStatus(c, &services.GetReleaseStatusRequest{Name: rel.Name})
if err != nil {
t.Errorf("Error getting release content: %s", err)
}
if res.Info.Status.Code != release.Status_DEPLOYED {
t.Errorf("Expected %d, got %d", release.Status_DEPLOYED, res.Info.Status.Code)
}
}
func TestListReleases(t *testing.T) {
rs := rsFixture()
num := 7
for i := 0; i < num; i++ {
rel := releaseMock()
rel.Name = fmt.Sprintf("rel-%d", i)
if err := rs.env.Releases.Create(rel); err != nil {
t.Fatalf("Could not store mock release: %s", err)
}
}
mrs := &mockListServer{}
if err := rs.ListReleases(&services.ListReleasesRequest{Offset: "", Limit: 64}, mrs); err != nil {
t.Fatalf("Failed listing: %s", err)
}
if len(mrs.val.Releases) != num {
t.Errorf("Expected %d releases, got %d", num, len(mrs.val.Releases))
}
}
func TestListReleasesSort(t *testing.T) {
rs := rsFixture()
// Put them in by reverse order so that the mock doesn't "accidentally"
// sort.
num := 7
for i := num; i > 0; i-- {
rel := releaseMock()
rel.Name = fmt.Sprintf("rel-%d", i)
if err := rs.env.Releases.Create(rel); err != nil {
t.Fatalf("Could not store mock release: %s", err)
}
}
limit := 6
mrs := &mockListServer{}
req := &services.ListReleasesRequest{
Offset: "",
Limit: int64(limit),
SortBy: services.ListSort_NAME,
}
if err := rs.ListReleases(req, mrs); err != nil {
t.Fatalf("Failed listing: %s", err)
}
if len(mrs.val.Releases) != limit {
t.Errorf("Expected %d releases, got %d", limit, len(mrs.val.Releases))
}
for i := 0; i < limit; i++ {
n := fmt.Sprintf("rel-%d", i+1)
if mrs.val.Releases[i].Name != n {
t.Errorf("Expected %q, got %q", n, mrs.val.Releases[i].Name)
}
}
}
func TestListReleasesFilter(t *testing.T) {
rs := rsFixture()
names := []string{
"axon",
"dendrite",
"neuron",
"neuroglia",
"synapse",
"nucleus",
"organelles",
}
num := 7
for i := 0; i < num; i++ {
rel := releaseMock()
rel.Name = names[i]
if err := rs.env.Releases.Create(rel); err != nil {
t.Fatalf("Could not store mock release: %s", err)
}
}
mrs := &mockListServer{}
req := &services.ListReleasesRequest{
Offset: "",
Limit: 64,
Filter: "neuro[a-z]+",
SortBy: services.ListSort_NAME,
}
if err := rs.ListReleases(req, mrs); err != nil {
t.Fatalf("Failed listing: %s", err)
}
if len(mrs.val.Releases) != 2 {
t.Errorf("Expected 2 releases, got %d", len(mrs.val.Releases))
}
if mrs.val.Releases[0].Name != "neuroglia" {
t.Errorf("Unexpected sort order: %v.", mrs.val.Releases)
}
if mrs.val.Releases[1].Name != "neuron" {
t.Errorf("Unexpected sort order: %v.", mrs.val.Releases)
}
}
func mockEnvironment() *environment.Environment {
e := environment.New()
e.Releases = storage.NewMemory()
e.KubeClient = &environment.PrintingKubeClient{Out: os.Stdout}
return e
}
type mockListServer struct {
val *services.ListReleasesResponse
}
func (l *mockListServer) Send(res *services.ListReleasesResponse) error {
l.val = res
return nil
}
func (l *mockListServer) Context() context.Context { return context.TODO() }
func (l *mockListServer) SendMsg(v interface{}) error { return nil }
func (l *mockListServer) RecvMsg(v interface{}) error { return nil }
func (l *mockListServer) SendHeader(m metadata.MD) error { return nil }
func (l *mockListServer) SetTrailer(m metadata.MD) {}