Golang helm.NewContext函数代码示例

func TestInstallReleaseReuseName(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rel.Info.Status.Code = release.Status_DELETED
	rs.env.Releases.Create(rel)

	req := &services.InstallReleaseRequest{
		Chart:     chartStub(),
		ReuseName: true,
		Name:      rel.Name,
	}
	res, err := rs.InstallRelease(c, req)
	if err != nil {
		t.Fatalf("Failed install: %s", err)
	}

	if res.Release.Name != rel.Name {
		t.Errorf("expected %q, got %q", rel.Name, res.Release.Name)
	}

	getreq := &services.GetReleaseStatusRequest{Name: rel.Name, Version: 1}
	getres, err := rs.GetReleaseStatus(c, getreq)
	if err != nil {
		t.Errorf("Failed to retrieve release: %s", err)
	}
	if getres.Info.Status.Code != release.Status_DEPLOYED {
		t.Errorf("Release status is %q", getres.Info.Status.Code)
	}
}

func TestGetHistory_WithNoRevisions(t *testing.T) {
	tests := []struct {
		desc string
		req  *tpb.GetHistoryRequest
	}{
		{
			desc: "get release with no history",
			req:  &tpb.GetHistoryRequest{Name: "sad-panda", Max: 256},
		},
	}

	// create release 'sad-panda' with no revision history
	rls := namedReleaseStub("sad-panda", rpb.Status_DEPLOYED)
	srv := rsFixture()
	srv.env.Releases.Create(rls)

	for _, tt := range tests {
		res, err := srv.GetHistory(helm.NewContext(), tt.req)
		if err != nil {
			t.Fatalf("%s:\nFailed to get History of %q: %s", tt.desc, tt.req.Name, err)
		}
		if len(res.Releases) > 1 {
			t.Fatalf("%s:\nExpected zero items, got %d", tt.desc, len(res.Releases))
		}
	}
}

func TestUpdateReleaseNoHooks(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rs.env.Releases.Create(rel)

	req := &services.UpdateReleaseRequest{
		Name:         rel.Name,
		DisableHooks: true,
		Chart: &chart.Chart{
			Metadata: &chart.Metadata{Name: "hello"},
			Templates: []*chart.Template{
				{Name: "hello", Data: []byte("hello: world")},
				{Name: "hooks", Data: []byte(manifestWithUpgradeHooks)},
			},
		},
	}

	res, err := rs.UpdateRelease(c, req)
	if err != nil {
		t.Fatalf("Failed updated: %s", err)
	}

	if hl := res.Release.Hooks[0].LastRun; hl != nil {
		t.Errorf("Expected that no hooks were run. Got %d", hl)
	}

}

func TestUninstallPurgeRelease(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rs.env.Releases.Create(releaseStub())

	req := &services.UninstallReleaseRequest{
		Name:  "angry-panda",
		Purge: true,
	}

	res, err := rs.UninstallRelease(c, req)
	if err != nil {
		t.Fatalf("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.Hooks[0].LastRun.Seconds == 0 {
		t.Error("Expected LastRun to be greater than zero.")
	}

	if res.Release.Info.Deleted.Seconds <= 0 {
		t.Errorf("Expected valid UNIX date, got %d", res.Release.Info.Deleted.Seconds)
	}
}

func TestRollbackReleaseNoHooks(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rel.Hooks = []*release.Hook{
		{
			Name:     "test-cm",
			Kind:     "ConfigMap",
			Path:     "test-cm",
			Manifest: manifestWithRollbackHooks,
			Events: []release.Hook_Event{
				release.Hook_PRE_ROLLBACK,
				release.Hook_POST_ROLLBACK,
			},
		},
	}
	rs.env.Releases.Create(rel)
	upgradedRel := upgradeReleaseVersion(rel)
	rs.env.Releases.Update(rel)
	rs.env.Releases.Create(upgradedRel)

	req := &services.RollbackReleaseRequest{
		Name:         rel.Name,
		DisableHooks: true,
	}

	res, err := rs.RollbackRelease(c, req)
	if err != nil {
		t.Fatalf("Failed rollback: %s", err)
	}

	if hl := res.Release.Hooks[0].LastRun; hl != nil {
		t.Errorf("Expected that no hooks were run. Got %d", hl)
	}
}

func TestRollbackReleaseFailure(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rs.env.Releases.Create(rel)
	upgradedRel := upgradeReleaseVersion(rel)
	rs.env.Releases.Update(rel)
	rs.env.Releases.Create(upgradedRel)

	req := &services.RollbackReleaseRequest{
		Name:         rel.Name,
		DisableHooks: true,
	}

	rs.env.KubeClient = newUpdateFailingKubeClient()
	res, err := rs.RollbackRelease(c, req)
	if err == nil {
		t.Error("Expected failed rollback")
	}

	if targetStatus := res.Release.Info.Status.Code; targetStatus != release.Status_FAILED {
		t.Errorf("Expected FAILED release. Got %v", targetStatus)
	}

	oldRelease, err := rs.env.Releases.Get(rel.Name, rel.Version)
	if err != nil {
		t.Errorf("Expected to be able to get previous release")
	}
	if oldStatus := oldRelease.Info.Status.Code; oldStatus != release.Status_SUPERSEDED {
		t.Errorf("Expected SUPERSEDED status on previous Release version. Got %v", oldStatus)
	}
}

func TestUpdateReleaseFailure(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rs.env.Releases.Create(rel)
	rs.env.KubeClient = newUpdateFailingKubeClient()

	req := &services.UpdateReleaseRequest{
		Name:         rel.Name,
		DisableHooks: true,
		Chart: &chart.Chart{
			Metadata: &chart.Metadata{Name: "hello"},
			Templates: []*chart.Template{
				{Name: "something", Data: []byte("hello: world")},
			},
		},
	}

	res, err := rs.UpdateRelease(c, req)
	if err == nil {
		t.Error("Expected failed update")
	}

	if updatedStatus := res.Release.Info.Status.Code; updatedStatus != release.Status_FAILED {
		t.Errorf("Expected FAILED release. Got %d", updatedStatus)
	}

	oldRelease, err := rs.env.Releases.Get(rel.Name, rel.Version)
	if err != nil {
		t.Errorf("Expected to be able to get previous release")
	}
	if oldStatus := oldRelease.Info.Status.Code; oldStatus != release.Status_SUPERSEDED {
		t.Errorf("Expected SUPERSEDED status on previous Release version. Got %v", oldStatus)
	}
}

func TestUninstallReleaseWithKeepPolicy(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	name := "angry-bunny"
	rs.env.Releases.Create(releaseWithKeepStub(name))

	req := &services.UninstallReleaseRequest{
		Name: name,
	}

	res, err := rs.UninstallRelease(c, req)
	if err != nil {
		t.Fatalf("Failed uninstall: %s", err)
	}

	if res.Release.Name != name {
		t.Errorf("Expected angry-bunny, 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.Info == "" {
		t.Errorf("Expected response info to not be empty")
	} else {
		if !strings.Contains(res.Info, "[ConfigMap] test-cm-keep") {
			t.Errorf("unexpected output: %s", res.Info)
		}
	}
}

func TestInstallRelease(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()

	// TODO: Refactor this into a mock.
	req := &services.InstallReleaseRequest{
		Namespace: "spaced",
		Chart: &chart.Chart{
			Metadata: &chart.Metadata{Name: "hello"},
			Templates: []*chart.Template{
				{Name: "hello", Data: []byte("hello: world")},
				{Name: "hooks", Data: []byte(manifestWithHook)},
			},
		},
	}
	res, err := rs.InstallRelease(c, req)
	if err != nil {
		t.Fatalf("Failed install: %s", err)
	}
	if res.Release.Name == "" {
		t.Errorf("Expected release name.")
	}
	if res.Release.Namespace != "spaced" {
		t.Errorf("Expected release namespace 'spaced', got '%s'.", res.Release.Namespace)
	}

	rel, err := rs.env.Releases.Get(res.Release.Name, res.Release.Version)
	if err != nil {
		t.Errorf("Expected release for %s (%v).", res.Release.Name, rs.env.Releases)
	}

	t.Logf("rel: %v", rel)

	if len(rel.Hooks) != 1 {
		t.Fatalf("Expected 1 hook, got %d", len(rel.Hooks))
	}
	if rel.Hooks[0].Manifest != manifestWithHook {
		t.Errorf("Unexpected manifest: %v", rel.Hooks[0].Manifest)
	}

	if rel.Hooks[0].Events[0] != release.Hook_POST_INSTALL {
		t.Errorf("Expected event 0 is post install")
	}
	if rel.Hooks[0].Events[1] != release.Hook_PRE_DELETE {
		t.Errorf("Expected event 0 is pre-delete")
	}

	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/hello\nhello: world") {
		t.Errorf("unexpected output: %s", rel.Manifest)
	}
}

func TestUninstallPurgeRelease(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rs.env.Releases.Create(rel)
	upgradedRel := upgradeReleaseVersion(rel)
	rs.env.Releases.Update(rel)
	rs.env.Releases.Create(upgradedRel)

	req := &services.UninstallReleaseRequest{
		Name:  "angry-panda",
		Purge: true,
	}

	res, err := rs.UninstallRelease(c, req)
	if err != nil {
		t.Fatalf("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)
	}
	rels, err := rs.GetHistory(helm.NewContext(), &services.GetHistoryRequest{Name: "angry-panda"})
	if err != nil {
		t.Fatal(err)
	}
	if len(rels.Releases) != 0 {
		t.Errorf("Expected no releases in storage, got %d", len(rels.Releases))
	}
}

func TestInstallReleaseDryRun(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()

	req := &services.InstallReleaseRequest{
		Chart:  chartStub(),
		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/hello\nhello: world") {
		t.Errorf("unexpected output: %s", res.Release.Manifest)
	}

	if !strings.Contains(res.Release.Manifest, "---\n# Source: hello/goodbye\ngoodbye: world") {
		t.Errorf("unexpected output: %s", res.Release.Manifest)
	}

	if !strings.Contains(res.Release.Manifest, "hello: Earth") {
		t.Errorf("Should contain partial content. %s", res.Release.Manifest)
	}

	if strings.Contains(res.Release.Manifest, "hello: {{ template \"_planet\" . }}") {
		t.Errorf("Should not contain partial templates itself. %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.Get(res.Release.Name, res.Release.Version); err == nil {
		t.Errorf("Expected no stored release.")
	}

	if l := len(res.Release.Hooks); l != 1 {
		t.Fatalf("Expected 1 hook, got %d", l)
	}

	if res.Release.Hooks[0].LastRun != nil {
		t.Error("Expected hook to not be marked as run.")
	}
}

func TestGetReleaseStatus(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	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, Version: 1})
	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 TestGetReleaseContent(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	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, Version: 1})
	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 TestUpdateReleaseNoChanges(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()
	rel := releaseStub()
	rs.env.Releases.Create(rel)

	req := &services.UpdateReleaseRequest{
		Name:         rel.Name,
		DisableHooks: true,
		Chart:        rel.GetChart(),
	}

	_, err := rs.UpdateRelease(c, req)
	if err != nil {
		t.Fatalf("Failed updated: %s", err)
	}
}

func TestInstallReleaseWithChartAndDependencyNotes(t *testing.T) {
	c := helm.NewContext()
	rs := rsFixture()

	// TODO: Refactor this into a mock.
	req := &services.InstallReleaseRequest{
		Namespace: "spaced",
		Chart: &chart.Chart{
			Metadata: &chart.Metadata{Name: "hello"},
			Templates: []*chart.Template{
				{Name: "templates/hello", Data: []byte("hello: world")},
				{Name: "templates/hooks", Data: []byte(manifestWithHook)},
				{Name: "templates/NOTES.txt", Data: []byte(notesText)},
			},
			Dependencies: []*chart.Chart{
				{
					Metadata: &chart.Metadata{Name: "hello"},
					Templates: []*chart.Template{
						{Name: "templates/hello", Data: []byte("hello: world")},
						{Name: "templates/hooks", Data: []byte(manifestWithHook)},
						{Name: "templates/NOTES.txt", Data: []byte(notesText + " child")},
					},
				},
			},
		},
	}

	res, err := rs.InstallRelease(c, req)
	if err != nil {
		t.Fatalf("Failed install: %s", err)
	}
	if res.Release.Name == "" {
		t.Errorf("Expected release name.")
	}

	rel, err := rs.env.Releases.Get(res.Release.Name, res.Release.Version)
	if err != nil {
		t.Errorf("Expected release for %s (%v).", res.Release.Name, rs.env.Releases)
	}

	t.Logf("rel: %v", rel)

	if rel.Info.Status.Notes != notesText {
		t.Fatalf("Expected '%s', got '%s'", notesText, rel.Info.Status.Notes)
	}
}