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154 lines
3.6 KiB
154 lines
3.6 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 main
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import (
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"bytes"
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"io/ioutil"
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"os"
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"strings"
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"testing"
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shellwords "github.com/mattn/go-shellwords"
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"github.com/spf13/cobra"
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"helm.sh/helm/v3/internal/test"
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"helm.sh/helm/v3/pkg/action"
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"helm.sh/helm/v3/pkg/chartutil"
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kubefake "helm.sh/helm/v3/pkg/kube/fake"
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"helm.sh/helm/v3/pkg/release"
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"helm.sh/helm/v3/pkg/storage"
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"helm.sh/helm/v3/pkg/storage/driver"
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"helm.sh/helm/v3/pkg/time"
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)
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func testTimestamper() time.Time { return time.Unix(242085845, 0).UTC() }
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func init() {
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action.Timestamper = testTimestamper
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}
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func runTestCmd(t *testing.T, tests []cmdTestCase) {
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t.Helper()
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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defer resetEnv()()
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storage := storageFixture()
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for _, rel := range tt.rels {
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if err := storage.Create(rel); err != nil {
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t.Fatal(err)
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}
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}
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t.Log("running cmd: ", tt.cmd)
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_, out, err := executeActionCommandC(storage, tt.cmd)
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if (err != nil) != tt.wantError {
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t.Errorf("expected error, got '%v'", err)
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}
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if tt.golden != "" {
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test.AssertGoldenString(t, out, tt.golden)
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}
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})
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}
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}
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func runTestActionCmd(t *testing.T, tests []cmdTestCase) {
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t.Helper()
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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defer resetEnv()()
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store := storageFixture()
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for _, rel := range tt.rels {
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store.Create(rel)
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}
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_, out, err := executeActionCommandC(store, tt.cmd)
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if (err != nil) != tt.wantError {
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t.Errorf("expected error, got '%v'", err)
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}
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if tt.golden != "" {
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test.AssertGoldenString(t, out, tt.golden)
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}
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})
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}
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}
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func storageFixture() *storage.Storage {
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return storage.Init(driver.NewMemory())
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}
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func executeActionCommandC(store *storage.Storage, cmd string) (*cobra.Command, string, error) {
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args, err := shellwords.Parse(cmd)
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if err != nil {
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return nil, "", err
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}
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buf := new(bytes.Buffer)
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actionConfig := &action.Configuration{
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Releases: store,
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KubeClient: &kubefake.PrintingKubeClient{Out: ioutil.Discard},
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Capabilities: chartutil.DefaultCapabilities,
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Log: func(format string, v ...interface{}) {},
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}
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root := newRootCmd(actionConfig, buf, args)
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root.SetOutput(buf)
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root.SetArgs(args)
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c, err := root.ExecuteC()
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return c, buf.String(), err
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}
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// cmdTestCase describes a test case that works with releases.
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type cmdTestCase struct {
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name string
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cmd string
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golden string
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wantError bool
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// Rels are the available releases at the start of the test.
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rels []*release.Release
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}
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func executeActionCommand(cmd string) (*cobra.Command, string, error) {
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return executeActionCommandC(storageFixture(), cmd)
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}
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func resetEnv() func() {
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origSettings, origEnv := settings, os.Environ()
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return func() {
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os.Clearenv()
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settings = origSettings
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for _, pair := range origEnv {
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kv := strings.SplitN(pair, "=", 2)
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os.Setenv(kv[0], kv[1])
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}
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}
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}
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func testChdir(t *testing.T, dir string) func() {
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t.Helper()
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old, err := os.Getwd()
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if err != nil {
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t.Fatal(err)
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}
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if err := os.Chdir(dir); err != nil {
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t.Fatal(err)
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}
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return func() { os.Chdir(old) }
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}
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