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303 lines
9.1 KiB
303 lines
9.1 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 storage // import "k8s.io/helm/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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rspb "k8s.io/helm/pkg/proto/hapi/release"
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"k8s.io/helm/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 %q, got %q", 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.Status_DEPLOYED,
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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.Code = rspb.Status_DELETED
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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 %q, got %q", 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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assertErrNil(t.Fatal, storage.Create(rls), "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 %q, got %q", rls, res)
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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.Status_SUPERSEDED}.ToRelease()
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rls1 := ReleaseTestData{Name: "livid-human", Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls2 := ReleaseTestData{Name: "relaxed-cat", Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls3 := ReleaseTestData{Name: "hungry-hippo", Status: rspb.Status_DEPLOYED}.ToRelease()
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rls4 := ReleaseTestData{Name: "angry-beaver", Status: rspb.Status_DEPLOYED}.ToRelease()
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rls5 := ReleaseTestData{Name: "opulent-frog", Status: rspb.Status_DELETED}.ToRelease()
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rls6 := ReleaseTestData{Name: "happy-liger", Status: rspb.Status_DELETED}.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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{"ListDeleted", 2, storage.ListDeleted},
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{"ListDeployed", 2, storage.ListDeployed},
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{"ListReleases", 7, storage.ListReleases},
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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 = int32(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.Status_SUPERSEDED}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.Status_DEPLOYED}.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.Code != rspb.Status_DEPLOYED:
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t.Fatalf("Expected release status 'DEPLOYED', actual %s\n", rls.Info.Status.Code)
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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.Status_SUPERSEDED}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.Status_DEPLOYED}.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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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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// 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.Status_SUPERSEDED}.ToRelease()
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rls1 := ReleaseTestData{Name: name, Version: 2, Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls2 := ReleaseTestData{Name: name, Version: 3, Status: rspb.Status_SUPERSEDED}.ToRelease()
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rls3 := ReleaseTestData{Name: name, Version: 4, Status: rspb.Status_FAILED}.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.Last(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 h.Version != 4 {
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t.Errorf("Expected revision 4, got %d", h.Version)
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}
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}
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type ReleaseTestData struct {
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Name string
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Version int32
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Manifest string
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Namespace string
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Status rspb.Status_Code
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}
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func (test ReleaseTestData) ToRelease() *rspb.Release {
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return &rspb.Release{
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Name: test.Name,
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Version: test.Version,
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Manifest: test.Manifest,
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Namespace: test.Namespace,
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Info: &rspb.Info{Status: &rspb.Status{Code: test.Status}},
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}
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}
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func assertErrNil(eh func(args ...interface{}), err error, message string) {
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if err != nil {
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eh(fmt.Sprintf("%s: %q", message, err))
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}
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}
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func TestReleaseLocksNotExist(t *testing.T) {
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s := Init(driver.NewMemory())
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err := s.LockRelease("no-such-release")
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if err == nil {
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t.Errorf("Exptected error when trying to lock non-existing release, got nil")
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}
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}
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func TestReleaseLocks(t *testing.T) {
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s := Init(driver.NewMemory())
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releaseName := "angry-beaver"
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rls := ReleaseTestData{
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Name: releaseName,
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Version: 1,
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}.ToRelease()
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s.Create(rls)
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err := s.LockRelease(releaseName)
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if err != nil {
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t.Errorf("Exptected nil err when locking existing release")
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}
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s.UnlockRelease(releaseName)
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}
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