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288 lines
8.1 KiB
288 lines
8.1 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tiller
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import (
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"strings"
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"testing"
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"k8s.io/helm/pkg/helm"
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"k8s.io/helm/pkg/proto/hapi/chart"
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"k8s.io/helm/pkg/proto/hapi/release"
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"k8s.io/helm/pkg/proto/hapi/services"
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)
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func TestUpdateRelease(t *testing.T) {
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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Chart: &chart.Chart{
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Metadata: &chart.Metadata{Name: "hello"},
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Templates: []*chart.Template{
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{Name: "templates/hello", Data: []byte("hello: world")},
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{Name: "templates/hooks", Data: []byte(manifestWithUpgradeHooks)},
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},
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},
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}
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res, err := rs.UpdateRelease(c, req)
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if err != nil {
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t.Fatalf("Failed updated: %s", err)
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}
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if res.Release.Name == "" {
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t.Errorf("Expected release name.")
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}
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if res.Release.Name != rel.Name {
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t.Errorf("Updated release name does not match previous release name. Expected %s, got %s", rel.Name, res.Release.Name)
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}
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if res.Release.Namespace != rel.Namespace {
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t.Errorf("Expected release namespace '%s', got '%s'.", rel.Namespace, res.Release.Namespace)
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}
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updated, err := rs.env.Releases.Get(res.Release.Name, res.Release.Version)
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if err != nil {
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t.Errorf("Expected release for %s (%v).", res.Release.Name, rs.env.Releases)
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}
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if len(updated.Hooks) != 1 {
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t.Fatalf("Expected 1 hook, got %d", len(updated.Hooks))
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}
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if updated.Hooks[0].Manifest != manifestWithUpgradeHooks {
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t.Errorf("Unexpected manifest: %v", updated.Hooks[0].Manifest)
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}
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if updated.Hooks[0].Events[0] != release.Hook_POST_UPGRADE {
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t.Errorf("Expected event 0 to be post upgrade")
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}
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if updated.Hooks[0].Events[1] != release.Hook_PRE_UPGRADE {
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t.Errorf("Expected event 0 to be pre upgrade")
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}
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if len(res.Release.Manifest) == 0 {
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t.Errorf("No manifest returned: %v", res.Release)
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}
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if res.Release.Config == nil {
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t.Errorf("Got release without config: %#v", res.Release)
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} else if res.Release.Config.Raw != rel.Config.Raw {
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t.Errorf("Expected release values %q, got %q", rel.Config.Raw, res.Release.Config.Raw)
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}
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if len(updated.Manifest) == 0 {
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t.Errorf("Expected manifest in %v", res)
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}
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if !strings.Contains(updated.Manifest, "---\n# Source: hello/templates/hello\nhello: world") {
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t.Errorf("unexpected output: %s", rel.Manifest)
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}
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if res.Release.Version != 2 {
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t.Errorf("Expected release version to be %v, got %v", 2, res.Release.Version)
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}
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edesc := "Upgrade complete"
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if got := res.Release.Info.Description; got != edesc {
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t.Errorf("Expected description %q, got %q", edesc, got)
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}
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}
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func TestUpdateRelease_ResetValues(t *testing.T) {
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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Chart: &chart.Chart{
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Metadata: &chart.Metadata{Name: "hello"},
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Templates: []*chart.Template{
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{Name: "templates/hello", Data: []byte("hello: world")},
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{Name: "templates/hooks", Data: []byte(manifestWithUpgradeHooks)},
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},
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},
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ResetValues: true,
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}
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res, err := rs.UpdateRelease(c, req)
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if err != nil {
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t.Fatalf("Failed updated: %s", err)
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}
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// This should have been unset. Config: &chart.Config{Raw: `name: value`},
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if res.Release.Config != nil && res.Release.Config.Raw != "" {
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t.Errorf("Expected chart config to be empty, got %q", res.Release.Config.Raw)
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}
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}
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func TestUpdateRelease_ReuseValues(t *testing.T) {
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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Chart: &chart.Chart{
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Metadata: &chart.Metadata{Name: "hello"},
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Templates: []*chart.Template{
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{Name: "templates/hello", Data: []byte("hello: world")},
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{Name: "templates/hooks", Data: []byte(manifestWithUpgradeHooks)},
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},
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// Since reuseValues is set, this should get ignored.
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Values: &chart.Config{Raw: "foo: bar\n"},
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},
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Values: &chart.Config{Raw: "name2: val2"},
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ReuseValues: true,
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}
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res, err := rs.UpdateRelease(c, req)
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if err != nil {
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t.Fatalf("Failed updated: %s", err)
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}
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// This should have been overwritten with the old value.
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expect := "name: value\n"
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if res.Release.Chart.Values != nil && res.Release.Chart.Values.Raw != expect {
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t.Errorf("Expected chart values to be %q, got %q", expect, res.Release.Chart.Values.Raw)
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}
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// This should have the newly-passed overrides.
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expect = "name2: val2"
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if res.Release.Config != nil && res.Release.Config.Raw != expect {
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t.Errorf("Expected request config to be %q, got %q", expect, res.Release.Config.Raw)
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}
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}
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func TestUpdateRelease_ResetReuseValues(t *testing.T) {
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// This verifies that when both reset and reuse are set, reset wins.
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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Chart: &chart.Chart{
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Metadata: &chart.Metadata{Name: "hello"},
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Templates: []*chart.Template{
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{Name: "templates/hello", Data: []byte("hello: world")},
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{Name: "templates/hooks", Data: []byte(manifestWithUpgradeHooks)},
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},
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},
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ResetValues: true,
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ReuseValues: true,
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}
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res, err := rs.UpdateRelease(c, req)
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if err != nil {
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t.Fatalf("Failed updated: %s", err)
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}
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// This should have been unset. Config: &chart.Config{Raw: `name: value`},
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if res.Release.Config != nil && res.Release.Config.Raw != "" {
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t.Errorf("Expected chart config to be empty, got %q", res.Release.Config.Raw)
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}
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}
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func TestUpdateReleaseFailure(t *testing.T) {
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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rs.env.KubeClient = newUpdateFailingKubeClient()
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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DisableHooks: true,
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Chart: &chart.Chart{
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Metadata: &chart.Metadata{Name: "hello"},
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Templates: []*chart.Template{
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{Name: "templates/something", Data: []byte("hello: world")},
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},
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},
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}
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res, err := rs.UpdateRelease(c, req)
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if err == nil {
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t.Error("Expected failed update")
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}
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if updatedStatus := res.Release.Info.Status.Code; updatedStatus != release.Status_FAILED {
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t.Errorf("Expected FAILED release. Got %d", updatedStatus)
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}
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edesc := "Upgrade \"angry-panda\" failed: Failed update in kube client"
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if got := res.Release.Info.Description; got != edesc {
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t.Errorf("Expected description %q, got %q", edesc, got)
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}
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oldRelease, err := rs.env.Releases.Get(rel.Name, rel.Version)
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if err != nil {
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t.Errorf("Expected to be able to get previous release")
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}
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if oldStatus := oldRelease.Info.Status.Code; oldStatus != release.Status_SUPERSEDED {
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t.Errorf("Expected SUPERSEDED status on previous Release version. Got %v", oldStatus)
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}
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}
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func TestUpdateReleaseNoHooks(t *testing.T) {
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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DisableHooks: true,
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Chart: &chart.Chart{
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Metadata: &chart.Metadata{Name: "hello"},
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Templates: []*chart.Template{
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{Name: "templates/hello", Data: []byte("hello: world")},
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{Name: "templates/hooks", Data: []byte(manifestWithUpgradeHooks)},
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},
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},
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}
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res, err := rs.UpdateRelease(c, req)
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if err != nil {
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t.Fatalf("Failed updated: %s", err)
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}
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if hl := res.Release.Hooks[0].LastRun; hl != nil {
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t.Errorf("Expected that no hooks were run. Got %d", hl)
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}
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}
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func TestUpdateReleaseNoChanges(t *testing.T) {
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c := helm.NewContext()
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rs := rsFixture()
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rel := releaseStub()
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rs.env.Releases.Create(rel)
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req := &services.UpdateReleaseRequest{
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Name: rel.Name,
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DisableHooks: true,
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Chart: rel.GetChart(),
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}
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_, err := rs.UpdateRelease(c, req)
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if err != nil {
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t.Fatalf("Failed updated: %s", err)
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}
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}
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