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561 lines
18 KiB
561 lines
18 KiB
/*
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Copyright The Helm Authors.
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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 storage // import "helm.sh/helm/v3/pkg/storage"
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import (
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"fmt"
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"reflect"
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"testing"
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"github.com/pkg/errors"
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rspb "helm.sh/helm/v3/pkg/release"
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"helm.sh/helm/v3/pkg/storage/driver"
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)
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func TestStorageCreate(t *testing.T) {
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// initialize storage
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storage := Init(driver.NewMemory())
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// create fake release
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rls := ReleaseTestData{
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Name: "angry-beaver",
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Version: 1,
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}.ToRelease()
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assertErrNil(t.Fatal, storage.Create(rls), "StoreRelease")
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// fetch the release
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res, err := storage.Get(rls.Name, rls.Version)
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assertErrNil(t.Fatal, err, "QueryRelease")
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// verify the fetched and created release are the same
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if !reflect.DeepEqual(rls, res) {
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t.Fatalf("Expected %v, got %v", rls, res)
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}
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}
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func TestStorageUpdate(t *testing.T) {
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// initialize storage
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storage := Init(driver.NewMemory())
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// create fake release
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rls := ReleaseTestData{
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Name: "angry-beaver",
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Version: 1,
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Status: rspb.StatusDeployed,
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}.ToRelease()
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assertErrNil(t.Fatal, storage.Create(rls), "StoreRelease")
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// modify the release
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rls.Info.Status = rspb.StatusUninstalled
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assertErrNil(t.Fatal, storage.Update(rls), "UpdateRelease")
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// retrieve the updated release
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res, err := storage.Get(rls.Name, rls.Version)
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assertErrNil(t.Fatal, err, "QueryRelease")
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// verify updated and fetched releases are the same.
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if !reflect.DeepEqual(rls, res) {
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t.Fatalf("Expected %v, got %v", rls, res)
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}
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}
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func TestStorageDelete(t *testing.T) {
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// initialize storage
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storage := Init(driver.NewMemory())
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// create fake release
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rls := ReleaseTestData{
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Name: "angry-beaver",
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Version: 1,
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}.ToRelease()
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rls2 := ReleaseTestData{
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Name: "angry-beaver",
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Version: 2,
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}.ToRelease()
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assertErrNil(t.Fatal, storage.Create(rls), "StoreRelease")
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assertErrNil(t.Fatal, storage.Create(rls2), "StoreRelease")
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// delete the release
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res, err := storage.Delete(rls.Name, rls.Version)
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assertErrNil(t.Fatal, err, "DeleteRelease")
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// verify updated and fetched releases are the same.
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if !reflect.DeepEqual(rls, res) {
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t.Fatalf("Expected %v, got %v", rls, res)
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}
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hist, err := storage.History(rls.Name)
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if err != nil {
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t.Errorf("unexpected error: %s", err)
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}
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// We have now deleted one of the two records.
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if len(hist) != 1 {
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t.Errorf("expected 1 record for deleted release version, got %d", len(hist))
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}
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if hist[0].Version != 2 {
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t.Errorf("Expected version to be 2, got %d", hist[0].Version)
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}
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}
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func TestStorageList(t *testing.T) {
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// initialize storage
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storage := Init(driver.NewMemory())
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// setup storage with test releases
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setup := func() {
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// release records
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rls0 := ReleaseTestData{Name: "happy-catdog", Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: "livid-human", Status: rspb.StatusSuperseded}.ToRelease()
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rls2 := ReleaseTestData{Name: "relaxed-cat", Status: rspb.StatusSuperseded}.ToRelease()
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rls3 := ReleaseTestData{Name: "hungry-hippo", Status: rspb.StatusDeployed}.ToRelease()
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rls4 := ReleaseTestData{Name: "angry-beaver", Status: rspb.StatusDeployed}.ToRelease()
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rls5 := ReleaseTestData{Name: "opulent-frog", Status: rspb.StatusUninstalled}.ToRelease()
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rls6 := ReleaseTestData{Name: "happy-liger", Status: rspb.StatusUninstalled}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'rls0'")
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assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'rls1'")
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assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'rls2'")
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assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'rls3'")
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assertErrNil(t.Fatal, storage.Create(rls4), "Storing release 'rls4'")
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assertErrNil(t.Fatal, storage.Create(rls5), "Storing release 'rls5'")
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assertErrNil(t.Fatal, storage.Create(rls6), "Storing release 'rls6'")
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}
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var listTests = []struct {
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Description string
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NumExpected int
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ListFunc func() ([]*rspb.Release, error)
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}{
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{"ListDeployed", 2, storage.ListDeployed},
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{"ListReleases", 7, storage.ListReleases},
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{"ListUninstalled", 2, storage.ListUninstalled},
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}
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setup()
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for _, tt := range listTests {
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list, err := tt.ListFunc()
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assertErrNil(t.Fatal, err, tt.Description)
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// verify the count of releases returned
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if len(list) != tt.NumExpected {
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t.Errorf("ListReleases(%s): expected %d, actual %d",
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tt.Description,
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tt.NumExpected,
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len(list))
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}
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}
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}
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func TestStorageDeployed(t *testing.T) {
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storage := Init(driver.NewMemory())
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const name = "angry-bird"
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const vers = 4
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// setup storage with test releases
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setup := func() {
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// release records
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rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusSuperseded}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusSuperseded}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusDeployed}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
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assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
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assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
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assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
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}
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setup()
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rls, err := storage.Last(name)
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if err != nil {
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t.Fatalf("Failed to query for deployed release: %s\n", err)
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}
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switch {
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case rls == nil:
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t.Fatalf("Release is nil")
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case rls.Name != name:
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t.Fatalf("Expected release name %q, actual %q\n", name, rls.Name)
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case rls.Version != vers:
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t.Fatalf("Expected release version %d, actual %d\n", vers, rls.Version)
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case rls.Info.Status != rspb.StatusDeployed:
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t.Fatalf("Expected release status 'DEPLOYED', actual %s\n", rls.Info.Status.String())
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}
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}
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func TestStorageDeployedWithCorruption(t *testing.T) {
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storage := Init(driver.NewMemory())
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const name = "angry-bird"
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const vers = int(4)
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// setup storage with test releases
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setup := func() {
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// release records (notice odd order and corruption)
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rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusDeployed}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusSuperseded}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusDeployed}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
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assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
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assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
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assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
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}
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setup()
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rls, err := storage.Deployed(name)
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if err != nil {
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t.Fatalf("Failed to query for deployed release: %s\n", err)
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}
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switch {
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case rls == nil:
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t.Fatalf("Release is nil")
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case rls.Name != name:
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t.Fatalf("Expected release name %q, actual %q\n", name, rls.Name)
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case rls.Version != vers:
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t.Fatalf("Expected release version %d, actual %d\n", vers, rls.Version)
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case rls.Info.Status != rspb.StatusDeployed:
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t.Fatalf("Expected release status 'DEPLOYED', actual %s\n", rls.Info.Status.String())
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}
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}
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func TestStorageHistory(t *testing.T) {
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storage := Init(driver.NewMemory())
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const name = "angry-bird"
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// setup storage with test releases
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setup := func() {
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// release records
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rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusSuperseded}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusSuperseded}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusDeployed}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
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assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
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assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
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assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
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}
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setup()
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h, err := storage.History(name)
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if err != nil {
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t.Fatalf("Failed to query for release history (%q): %s\n", name, err)
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}
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if len(h) != 4 {
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t.Fatalf("Release history (%q) is empty\n", name)
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}
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}
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var errMaxHistoryMockDriverSomethingHappened = errors.New("something happened")
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type MaxHistoryMockDriver struct {
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Driver driver.Driver
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}
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func NewMaxHistoryMockDriver(d driver.Driver) *MaxHistoryMockDriver {
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return &MaxHistoryMockDriver{Driver: d}
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}
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func (d *MaxHistoryMockDriver) Create(key string, rls *rspb.Release) error {
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return d.Driver.Create(key, rls)
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}
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func (d *MaxHistoryMockDriver) Update(key string, rls *rspb.Release) error {
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return d.Driver.Update(key, rls)
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}
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func (d *MaxHistoryMockDriver) Delete(_ string) (*rspb.Release, error) {
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return nil, errMaxHistoryMockDriverSomethingHappened
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}
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func (d *MaxHistoryMockDriver) Get(key string) (*rspb.Release, error) {
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return d.Driver.Get(key)
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}
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func (d *MaxHistoryMockDriver) List(filter func(*rspb.Release) bool) ([]*rspb.Release, error) {
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return d.Driver.List(filter)
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}
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func (d *MaxHistoryMockDriver) Query(labels map[string]string) ([]*rspb.Release, error) {
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return d.Driver.Query(labels)
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}
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func (d *MaxHistoryMockDriver) Name() string {
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return d.Driver.Name()
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}
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func TestMaxHistoryErrorHandling(t *testing.T) {
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//func TestStorageRemoveLeastRecentWithError(t *testing.T) {
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storage := Init(NewMaxHistoryMockDriver(driver.NewMemory()))
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storage.Log = t.Logf
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storage.MaxHistory = 1
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const name = "angry-bird"
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// setup storage with test releases
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setup := func() {
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// release records
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rls1 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Driver.Create(makeKey(rls1.Name, rls1.Version), rls1), "Storing release 'angry-bird' (v1)")
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}
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setup()
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rls2 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusSuperseded}.ToRelease()
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wantErr := errMaxHistoryMockDriverSomethingHappened
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gotErr := storage.Create(rls2)
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if !errors.Is(gotErr, wantErr) {
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t.Fatalf("Storing release 'angry-bird' (v2) should return the error %#v, but returned %#v", wantErr, gotErr)
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}
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}
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func TestStorageRemoveLeastRecent(t *testing.T) {
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storage := Init(driver.NewMemory())
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storage.Log = t.Logf
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// Make sure that specifying this at the outset doesn't cause any bugs.
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storage.MaxHistory = 10
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const name = "angry-bird"
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// setup storage with test releases
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setup := func() {
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// release records
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rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusSuperseded}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusSuperseded}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusDeployed}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
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assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
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assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
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assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
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}
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setup()
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// Because we have not set a limit, we expect 4.
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expect := 4
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if hist, err := storage.History(name); err != nil {
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t.Fatal(err)
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} else if len(hist) != expect {
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t.Fatalf("expected %d items in history, got %d", expect, len(hist))
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}
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storage.MaxHistory = 3
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rls5 := ReleaseTestData{Name: name, Version: 5, Status: rspb.StatusDeployed}.ToRelease()
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assertErrNil(t.Fatal, storage.Create(rls5), "Storing release 'angry-bird' (v5)")
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// On inserting the 5th record, we expect two records to be pruned from history.
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hist, err := storage.History(name)
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if err != nil {
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t.Fatal(err)
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} else if len(hist) != storage.MaxHistory {
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for _, item := range hist {
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t.Logf("%s %v", item.Name, item.Version)
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}
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t.Fatalf("expected %d items in history, got %d", storage.MaxHistory, len(hist))
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}
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// We expect the existing records to be 3, 4, and 5.
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for i, item := range hist {
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v := item.Version
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if expect := i + 3; v != expect {
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t.Errorf("Expected release %d, got %d", expect, v)
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}
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}
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}
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func TestStorageDoNotDeleteDeployed(t *testing.T) {
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storage := Init(driver.NewMemory())
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storage.Log = t.Logf
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storage.MaxHistory = 3
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const name = "angry-bird"
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// setup storage with test releases
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setup := func() {
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// release records
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rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusDeployed}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusFailed}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusFailed}.ToRelease()
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// create the release records in the storage
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assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
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assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
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assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
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assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
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}
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setup()
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rls5 := ReleaseTestData{Name: name, Version: 5, Status: rspb.StatusFailed}.ToRelease()
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assertErrNil(t.Fatal, storage.Create(rls5), "Storing release 'angry-bird' (v5)")
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// On inserting the 5th record, we expect a total of 3 releases, but we expect version 2
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// (the only deployed release), to still exist
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hist, err := storage.History(name)
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if err != nil {
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t.Fatal(err)
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} else if len(hist) != storage.MaxHistory {
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for _, item := range hist {
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t.Logf("%s %v", item.Name, item.Version)
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}
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t.Fatalf("expected %d items in history, got %d", storage.MaxHistory, len(hist))
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}
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expectedVersions := map[int]bool{
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2: true,
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4: true,
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5: true,
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}
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for _, item := range hist {
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if !expectedVersions[item.Version] {
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t.Errorf("Release version %d, found when not expected", item.Version)
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}
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}
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}
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func TestStorageLast(t *testing.T) {
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storage := Init(driver.NewMemory())
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const name = "angry-bird"
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// Set up storage with test releases.
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setup := func() {
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// release records
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rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusSuperseded}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusSuperseded}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusSuperseded}.ToRelease()
|
|
rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusFailed}.ToRelease()
|
|
|
|
// create the release records in the storage
|
|
assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
|
|
assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
|
|
assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
|
|
assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
|
|
}
|
|
|
|
setup()
|
|
|
|
h, err := storage.Last(name)
|
|
if err != nil {
|
|
t.Fatalf("Failed to query for release history (%q): %s\n", name, err)
|
|
}
|
|
|
|
if h.Version != 4 {
|
|
t.Errorf("Expected revision 4, got %d", h.Version)
|
|
}
|
|
}
|
|
|
|
// TestUpgradeInitiallyFailedRelease tests a case when there are no deployed release yet, but history limit has been
|
|
// reached: the has-no-deployed-releases error should not occur in such case.
|
|
func TestUpgradeInitiallyFailedReleaseWithHistoryLimit(t *testing.T) {
|
|
storage := Init(driver.NewMemory())
|
|
storage.MaxHistory = 4
|
|
|
|
const name = "angry-bird"
|
|
|
|
// setup storage with test releases
|
|
setup := func() {
|
|
// release records
|
|
rls0 := ReleaseTestData{Name: name, Version: 1, Status: rspb.StatusFailed}.ToRelease()
|
|
rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.StatusFailed}.ToRelease()
|
|
rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.StatusFailed}.ToRelease()
|
|
rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.StatusFailed}.ToRelease()
|
|
|
|
// create the release records in the storage
|
|
assertErrNil(t.Fatal, storage.Create(rls0), "Storing release 'angry-bird' (v1)")
|
|
assertErrNil(t.Fatal, storage.Create(rls1), "Storing release 'angry-bird' (v2)")
|
|
assertErrNil(t.Fatal, storage.Create(rls2), "Storing release 'angry-bird' (v3)")
|
|
assertErrNil(t.Fatal, storage.Create(rls3), "Storing release 'angry-bird' (v4)")
|
|
|
|
hist, err := storage.History(name)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %s", err)
|
|
}
|
|
|
|
wantHistoryLen := 4
|
|
if len(hist) != wantHistoryLen {
|
|
t.Fatalf("expected history of release %q to contain %d releases, got %d", name, wantHistoryLen, len(hist))
|
|
}
|
|
}
|
|
|
|
setup()
|
|
|
|
rls5 := ReleaseTestData{Name: name, Version: 5, Status: rspb.StatusFailed}.ToRelease()
|
|
err := storage.Create(rls5)
|
|
if err != nil {
|
|
t.Fatalf("Failed to create a new release version: %s", err)
|
|
}
|
|
|
|
hist, err := storage.History(name)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %s", err)
|
|
}
|
|
|
|
for i, rel := range hist {
|
|
wantVersion := i + 2
|
|
if rel.Version != wantVersion {
|
|
t.Fatalf("Expected history release %d version to equal %d, got %d", i+1, wantVersion, rel.Version)
|
|
}
|
|
|
|
wantStatus := rspb.StatusFailed
|
|
if rel.Info.Status != wantStatus {
|
|
t.Fatalf("Expected history release %d status to equal %q, got %q", i+1, wantStatus, rel.Info.Status)
|
|
}
|
|
}
|
|
}
|
|
|
|
type ReleaseTestData struct {
|
|
Name string
|
|
Version int
|
|
Manifest string
|
|
Namespace string
|
|
Status rspb.Status
|
|
}
|
|
|
|
func (test ReleaseTestData) ToRelease() *rspb.Release {
|
|
return &rspb.Release{
|
|
Name: test.Name,
|
|
Version: test.Version,
|
|
Manifest: test.Manifest,
|
|
Namespace: test.Namespace,
|
|
Info: &rspb.Info{Status: test.Status},
|
|
}
|
|
}
|
|
|
|
func assertErrNil(eh func(args ...interface{}), err error, message string) {
|
|
if err != nil {
|
|
eh(fmt.Sprintf("%s: %q", message, err))
|
|
}
|
|
}
|