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helm/pkg/repo/chartrepo_test.go

365 lines
9.8 KiB

/*
Copyright The Helm Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package repo
import (
"bytes"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"sigs.k8s.io/yaml"
"helm.sh/helm/v3/internal/test/ensure"
"helm.sh/helm/v3/pkg/chart"
"helm.sh/helm/v3/pkg/cli"
"helm.sh/helm/v3/pkg/getter"
)
const (
testRepository = "testdata/repository"
testURL = "http://example-charts.com"
)
func TestLoadChartRepository(t *testing.T) {
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r, err := NewChartRepository(&Entry{
Name: testRepository,
URL: testURL,
}, getter.All(&cli.EnvSettings{}))
if err != nil {
t.Errorf("Problem creating chart repository from %s: %v", testRepository, err)
}
if err := r.Load(); err != nil {
t.Errorf("Problem loading chart repository from %s: %v", testRepository, err)
}
paths := []string{
filepath.Join(testRepository, "frobnitz-1.2.3.tgz"),
filepath.Join(testRepository, "sprocket-1.1.0.tgz"),
filepath.Join(testRepository, "sprocket-1.2.0.tgz"),
filepath.Join(testRepository, "universe/zarthal-1.0.0.tgz"),
}
if r.Config.Name != testRepository {
t.Errorf("Expected %s as Name but got %s", testRepository, r.Config.Name)
}
if !reflect.DeepEqual(r.ChartPaths, paths) {
t.Errorf("Expected %#v but got %#v\n", paths, r.ChartPaths)
}
if r.Config.URL != testURL {
t.Errorf("Expected url for chart repository to be %s but got %s", testURL, r.Config.URL)
}
}
func TestIndex(t *testing.T) {
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r, err := NewChartRepository(&Entry{
Name: testRepository,
URL: testURL,
}, getter.All(&cli.EnvSettings{}))
if err != nil {
t.Errorf("Problem creating chart repository from %s: %v", testRepository, err)
}
if err := r.Load(); err != nil {
t.Errorf("Problem loading chart repository from %s: %v", testRepository, err)
}
err = r.Index()
if err != nil {
t.Errorf("Error performing index: %v\n", err)
}
tempIndexPath := filepath.Join(testRepository, indexPath)
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actual, err := LoadIndexFile(tempIndexPath)
defer os.Remove(tempIndexPath) // clean up
if err != nil {
t.Errorf("Error loading index file %v", err)
}
verifyIndex(t, actual)
// Re-index and test again.
err = r.Index()
if err != nil {
t.Errorf("Error performing re-index: %s\n", err)
}
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second, err := LoadIndexFile(tempIndexPath)
if err != nil {
t.Errorf("Error re-loading index file %v", err)
}
verifyIndex(t, second)
}
type CustomGetter struct {
repoUrls []string
}
func (g *CustomGetter) Get(href string, options ...getter.Option) (*bytes.Buffer, error) {
index := &IndexFile{
APIVersion: "v1",
Generated: time.Now(),
}
indexBytes, err := yaml.Marshal(index)
if err != nil {
return nil, err
}
g.repoUrls = append(g.repoUrls, href)
return bytes.NewBuffer(indexBytes), nil
}
func TestIndexCustomSchemeDownload(t *testing.T) {
repoName := "gcs-repo"
repoURL := "gs://some-gcs-bucket"
myCustomGetter := &CustomGetter{}
customGetterConstructor := func(options ...getter.Option) (getter.Getter, error) {
return myCustomGetter, nil
}
providers := getter.Providers{{
Schemes: []string{"gs"},
New: customGetterConstructor,
}}
repo, err := NewChartRepository(&Entry{
Name: repoName,
URL: repoURL,
}, providers)
if err != nil {
t.Fatalf("Problem loading chart repository from %s: %v", repoURL, err)
}
repo.CachePath = ensure.TempDir(t)
tempIndexFile, err := ioutil.TempFile("", "test-repo")
if err != nil {
t.Fatalf("Failed to create temp index file: %v", err)
}
defer os.Remove(tempIndexFile.Name())
idx, err := repo.DownloadIndexFile()
if err != nil {
t.Fatalf("Failed to download index file to %s: %v", idx, err)
}
if len(myCustomGetter.repoUrls) != 1 {
t.Fatalf("Custom Getter.Get should be called once")
}
expectedRepoIndexURL := repoURL + "/index.yaml"
if myCustomGetter.repoUrls[0] != expectedRepoIndexURL {
t.Fatalf("Custom Getter.Get should be called with %s", expectedRepoIndexURL)
}
}
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func verifyIndex(t *testing.T, actual *IndexFile) {
var empty time.Time
if actual.Generated == empty {
t.Errorf("Generated should be greater than 0: %s", actual.Generated)
}
if actual.APIVersion != APIVersionV1 {
t.Error("Expected v1 API")
}
entries := actual.Entries
if numEntries := len(entries); numEntries != 3 {
t.Errorf("Expected 3 charts to be listed in index file but got %v", numEntries)
}
expects := map[string]ChartVersions{
"frobnitz": {
{
Metadata: &chart.Metadata{
Name: "frobnitz",
Version: "1.2.3",
},
},
},
"sprocket": {
{
Metadata: &chart.Metadata{
Name: "sprocket",
Version: "1.2.0",
},
},
{
Metadata: &chart.Metadata{
Name: "sprocket",
Version: "1.1.0",
},
},
},
"zarthal": {
{
Metadata: &chart.Metadata{
Name: "zarthal",
Version: "1.0.0",
},
},
},
}
for name, versions := range expects {
got, ok := entries[name]
if !ok {
t.Errorf("Could not find %q entry", name)
continue
}
if len(versions) != len(got) {
t.Errorf("Expected %d versions, got %d", len(versions), len(got))
continue
}
for i, e := range versions {
g := got[i]
if e.Name != g.Name {
t.Errorf("Expected %q, got %q", e.Name, g.Name)
}
if e.Version != g.Version {
t.Errorf("Expected %q, got %q", e.Version, g.Version)
}
if len(g.Keywords) != 3 {
Spelling (#7258) * spelling: constraint Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: cryptographic Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: dependency Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: doesnot Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: don't Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: unexpected Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: dreadnought Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: default Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: envvars Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: evaluates Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: execute Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: extractor Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: frobnitz Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: generated Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: implementation Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: jabba Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: keywords Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: kubernetes Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: override Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: package Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: parsable Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: progress Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: recursively Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: release Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: cache Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: representing Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: serializer Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: subchart Signed-off-by: Josh Soref <jsoref@users.noreply.github.com> * spelling: utilities Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>
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t.Error("Expected 3 keywords.")
}
if len(g.Maintainers) != 2 {
t.Error("Expected 2 maintainers.")
}
if g.Created == empty {
t.Error("Expected created to be non-empty")
}
if g.Description == "" {
t.Error("Expected description to be non-empty")
}
if g.Home == "" {
t.Error("Expected home to be non-empty")
}
if g.Digest == "" {
t.Error("Expected digest to be non-empty")
}
if len(g.URLs) != 1 {
t.Error("Expected exactly 1 URL")
}
}
}
}
// startLocalServerForTests Start the local helm server
func startLocalServerForTests(handler http.Handler) (*httptest.Server, error) {
if handler == nil {
fileBytes, err := ioutil.ReadFile("testdata/local-index.yaml")
if err != nil {
return nil, err
}
handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write(fileBytes)
})
}
return httptest.NewServer(handler), nil
}
func TestFindChartInRepoURL(t *testing.T) {
srv, err := startLocalServerForTests(nil)
if err != nil {
t.Fatal(err)
}
defer srv.Close()
chartURL, err := FindChartInRepoURL(srv.URL, "nginx", "", "", "", "", getter.All(&cli.EnvSettings{}))
if err != nil {
t.Fatalf("%v", err)
}
if chartURL != "https://kubernetes-charts.storage.googleapis.com/nginx-0.2.0.tgz" {
t.Errorf("%s is not the valid URL", chartURL)
}
chartURL, err = FindChartInRepoURL(srv.URL, "nginx", "0.1.0", "", "", "", getter.All(&cli.EnvSettings{}))
if err != nil {
t.Errorf("%s", err)
}
if chartURL != "https://kubernetes-charts.storage.googleapis.com/nginx-0.1.0.tgz" {
t.Errorf("%s is not the valid URL", chartURL)
}
}
func TestErrorFindChartInRepoURL(t *testing.T) {
g := getter.All(&cli.EnvSettings{
RepositoryCache: ensure.TempDir(t),
})
if _, err := FindChartInRepoURL("http://someserver/something", "nginx", "", "", "", "", g); err == nil {
t.Errorf("Expected error for bad chart URL, but did not get any errors")
} else if !strings.Contains(err.Error(), `looks like "http://someserver/something" is not a valid chart repository or cannot be reached: Get http://someserver/something/index.yaml`) {
t.Errorf("Expected error for bad chart URL, but got a different error (%v)", err)
}
srv, err := startLocalServerForTests(nil)
if err != nil {
t.Fatal(err)
}
defer srv.Close()
if _, err = FindChartInRepoURL(srv.URL, "nginx1", "", "", "", "", g); err == nil {
t.Errorf("Expected error for chart not found, but did not get any errors")
} else if err.Error() != `chart "nginx1" not found in `+srv.URL+` repository` {
t.Errorf("Expected error for chart not found, but got a different error (%v)", err)
}
if _, err = FindChartInRepoURL(srv.URL, "nginx1", "0.1.0", "", "", "", g); err == nil {
t.Errorf("Expected error for chart not found, but did not get any errors")
} else if err.Error() != `chart "nginx1" version "0.1.0" not found in `+srv.URL+` repository` {
t.Errorf("Expected error for chart not found, but got a different error (%v)", err)
}
if _, err = FindChartInRepoURL(srv.URL, "chartWithNoURL", "", "", "", "", g); err == nil {
t.Errorf("Expected error for no chart URLs available, but did not get any errors")
} else if err.Error() != `chart "chartWithNoURL" has no downloadable URLs` {
t.Errorf("Expected error for chart not found, but got a different error (%v)", err)
}
}
func TestResolveReferenceURL(t *testing.T) {
chartURL, err := ResolveReferenceURL("http://localhost:8123/charts/", "nginx-0.2.0.tgz")
if err != nil {
t.Errorf("%s", err)
}
if chartURL != "http://localhost:8123/charts/nginx-0.2.0.tgz" {
t.Errorf("%s", chartURL)
}
chartURL, err = ResolveReferenceURL("http://localhost:8123/charts-with-no-trailing-slash", "nginx-0.2.0.tgz")
if err != nil {
t.Errorf("%s", err)
}
if chartURL != "http://localhost:8123/charts-with-no-trailing-slash/nginx-0.2.0.tgz" {
t.Errorf("%s", chartURL)
}
chartURL, err = ResolveReferenceURL("http://localhost:8123", "https://kubernetes-charts.storage.googleapis.com/nginx-0.2.0.tgz")
if err != nil {
t.Errorf("%s", err)
}
if chartURL != "https://kubernetes-charts.storage.googleapis.com/nginx-0.2.0.tgz" {
t.Errorf("%s", chartURL)
}
}