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422 lines
10 KiB
422 lines
10 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 downloader
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import (
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"bytes"
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"path/filepath"
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"reflect"
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"testing"
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"helm.sh/helm/v3/pkg/chart"
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"helm.sh/helm/v3/pkg/chartutil"
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"helm.sh/helm/v3/pkg/getter"
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"helm.sh/helm/v3/pkg/repo/repotest"
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)
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func TestVersionEquals(t *testing.T) {
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tests := []struct {
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name, v1, v2 string
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expect bool
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}{
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{name: "semver match", v1: "1.2.3-beta.11", v2: "1.2.3-beta.11", expect: true},
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{name: "semver match, build info", v1: "1.2.3-beta.11+a", v2: "1.2.3-beta.11+b", expect: true},
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{name: "string match", v1: "abcdef123", v2: "abcdef123", expect: true},
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{name: "semver mismatch", v1: "1.2.3-beta.11", v2: "1.2.3-beta.22", expect: false},
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{name: "semver mismatch, invalid semver", v1: "1.2.3-beta.11", v2: "stinkycheese", expect: false},
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}
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for _, tt := range tests {
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if versionEquals(tt.v1, tt.v2) != tt.expect {
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t.Errorf("%s: failed comparison of %q and %q (expect equal: %t)", tt.name, tt.v1, tt.v2, tt.expect)
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}
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}
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}
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func TestNormalizeURL(t *testing.T) {
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tests := []struct {
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name, base, path, expect string
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}{
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{name: "basic URL", base: "https://example.com", path: "http://helm.sh/foo", expect: "http://helm.sh/foo"},
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{name: "relative path", base: "https://helm.sh/charts", path: "foo", expect: "https://helm.sh/charts/foo"},
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}
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for _, tt := range tests {
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got, err := normalizeURL(tt.base, tt.path)
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if err != nil {
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t.Errorf("%s: error %s", tt.name, err)
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continue
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} else if got != tt.expect {
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t.Errorf("%s: expected %q, got %q", tt.name, tt.expect, got)
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}
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}
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}
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func TestFindChartURL(t *testing.T) {
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var b bytes.Buffer
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m := &Manager{
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Out: &b,
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RepositoryConfig: repoConfig,
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RepositoryCache: repoCache,
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}
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repos, err := m.loadChartRepositories()
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if err != nil {
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t.Fatal(err)
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}
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name := "alpine"
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version := "0.1.0"
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repoURL := "http://example.com/charts"
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churl, username, password, err := m.findChartURL(name, version, repoURL, repos)
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if err != nil {
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t.Fatal(err)
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}
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if churl != "https://kubernetes-charts.storage.googleapis.com/alpine-0.1.0.tgz" {
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t.Errorf("Unexpected URL %q", churl)
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}
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if username != "" {
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t.Errorf("Unexpected username %q", username)
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}
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if password != "" {
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t.Errorf("Unexpected password %q", password)
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}
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}
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func TestGetRepoNames(t *testing.T) {
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b := bytes.NewBuffer(nil)
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m := &Manager{
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Out: b,
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RepositoryConfig: repoConfig,
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RepositoryCache: repoCache,
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}
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tests := []struct {
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name string
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req []*chart.Dependency
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expect map[string]string
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err bool
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}{
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{
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name: "no repo definition, but references a url",
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req: []*chart.Dependency{
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{Name: "oedipus-rex", Repository: "http://example.com/test"},
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},
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expect: map[string]string{"http://example.com/test": "http://example.com/test"},
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},
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{
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name: "no repo definition failure -- stable repo",
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req: []*chart.Dependency{
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{Name: "oedipus-rex", Repository: "stable"},
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},
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err: true,
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},
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{
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name: "no repo definition failure",
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req: []*chart.Dependency{
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{Name: "oedipus-rex", Repository: "http://example.com"},
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},
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expect: map[string]string{"oedipus-rex": "testing"},
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},
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{
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name: "repo from local path",
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req: []*chart.Dependency{
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{Name: "local-dep", Repository: "file://./testdata/signtest"},
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},
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expect: map[string]string{"local-dep": "file://./testdata/signtest"},
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},
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{
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name: "repo alias (alias:)",
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req: []*chart.Dependency{
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{Name: "oedipus-rex", Repository: "alias:testing"},
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},
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expect: map[string]string{"oedipus-rex": "testing"},
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},
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{
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name: "repo alias (@)",
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req: []*chart.Dependency{
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{Name: "oedipus-rex", Repository: "@testing"},
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},
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expect: map[string]string{"oedipus-rex": "testing"},
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},
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{
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name: "repo from local chart under charts path",
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req: []*chart.Dependency{
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{Name: "local-subchart", Repository: ""},
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},
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expect: map[string]string{},
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},
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}
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for _, tt := range tests {
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l, err := m.resolveRepoNames(tt.req)
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if err != nil {
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if tt.err {
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continue
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}
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t.Fatal(err)
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}
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if tt.err {
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t.Fatalf("Expected error in test %q", tt.name)
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}
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// m1 and m2 are the maps we want to compare
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eq := reflect.DeepEqual(l, tt.expect)
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if !eq {
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t.Errorf("%s: expected map %v, got %v", tt.name, l, tt.name)
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}
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}
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}
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func TestUpdateBeforeBuild(t *testing.T) {
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// Set up a fake repo
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srv, err := repotest.NewTempServerWithCleanup(t, "testdata/*.tgz*")
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if err != nil {
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t.Fatal(err)
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}
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defer srv.Stop()
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if err := srv.LinkIndices(); err != nil {
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t.Fatal(err)
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}
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dir := func(p ...string) string {
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return filepath.Join(append([]string{srv.Root()}, p...)...)
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}
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// Save dep
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d := &chart.Chart{
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Metadata: &chart.Metadata{
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Name: "dep-chart",
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Version: "0.1.0",
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APIVersion: "v1",
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},
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}
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if err := chartutil.SaveDir(d, dir()); err != nil {
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t.Fatal(err)
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}
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// Save a chart
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c := &chart.Chart{
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Metadata: &chart.Metadata{
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Name: "with-dependency",
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Version: "0.1.0",
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APIVersion: "v2",
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Dependencies: []*chart.Dependency{{
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Name: d.Metadata.Name,
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Version: ">=0.1.0",
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Repository: "file://../dep-chart",
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}},
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},
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}
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if err := chartutil.SaveDir(c, dir()); err != nil {
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t.Fatal(err)
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}
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// Set-up a manager
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b := bytes.NewBuffer(nil)
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g := getter.Providers{getter.Provider{
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Schemes: []string{"http", "https"},
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New: getter.NewHTTPGetter,
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}}
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m := &Manager{
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ChartPath: dir(c.Metadata.Name),
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Out: b,
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Getters: g,
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RepositoryConfig: dir("repositories.yaml"),
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RepositoryCache: dir(),
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}
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// Update before Build. see issue: https://github.com/helm/helm/issues/7101
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err = m.Update()
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if err != nil {
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t.Fatal(err)
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}
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err = m.Build()
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if err != nil {
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t.Fatal(err)
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}
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}
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// This function is the skeleton test code of failing tests for #6416 and #6871 and bugs due to #5874.
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//
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// This function is used by below tests that ensures success of build operation
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// with optional fields, alias, condition, tags, and even with ranged version.
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// Parent chart includes local-subchart 0.1.0 subchart from a fake repository, by default.
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// If each of these main fields (name, version, repository) is not supplied by dep param, default value will be used.
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func checkBuildWithOptionalFields(t *testing.T, chartName string, dep chart.Dependency) {
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// Set up a fake repo
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srv, err := repotest.NewTempServerWithCleanup(t, "testdata/*.tgz*")
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if err != nil {
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t.Fatal(err)
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}
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defer srv.Stop()
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if err := srv.LinkIndices(); err != nil {
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t.Fatal(err)
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}
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dir := func(p ...string) string {
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return filepath.Join(append([]string{srv.Root()}, p...)...)
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}
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// Set main fields if not exist
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if dep.Name == "" {
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dep.Name = "local-subchart"
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}
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if dep.Version == "" {
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dep.Version = "0.1.0"
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}
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if dep.Repository == "" {
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dep.Repository = srv.URL()
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}
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// Save a chart
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c := &chart.Chart{
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Metadata: &chart.Metadata{
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Name: chartName,
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Version: "0.1.0",
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APIVersion: "v2",
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Dependencies: []*chart.Dependency{&dep},
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},
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}
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if err := chartutil.SaveDir(c, dir()); err != nil {
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t.Fatal(err)
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}
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// Set-up a manager
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b := bytes.NewBuffer(nil)
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g := getter.Providers{getter.Provider{
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Schemes: []string{"http", "https"},
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New: getter.NewHTTPGetter,
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}}
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m := &Manager{
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ChartPath: dir(chartName),
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Out: b,
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Getters: g,
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RepositoryConfig: dir("repositories.yaml"),
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RepositoryCache: dir(),
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}
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// First build will update dependencies and create Chart.lock file.
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err = m.Build()
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if err != nil {
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t.Fatal(err)
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}
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// Second build should be passed. See PR #6655.
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err = m.Build()
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestBuild_WithoutOptionalFields(t *testing.T) {
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// Dependency has main fields only (name/version/repository)
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checkBuildWithOptionalFields(t, "without-optional-fields", chart.Dependency{})
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}
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func TestBuild_WithSemVerRange(t *testing.T) {
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// Dependency version is the form of SemVer range
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checkBuildWithOptionalFields(t, "with-semver-range", chart.Dependency{
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Version: ">=0.1.0",
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})
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}
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func TestBuild_WithAlias(t *testing.T) {
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// Dependency has an alias
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checkBuildWithOptionalFields(t, "with-alias", chart.Dependency{
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Alias: "local-subchart-alias",
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})
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}
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func TestBuild_WithCondition(t *testing.T) {
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// Dependency has a condition
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checkBuildWithOptionalFields(t, "with-condition", chart.Dependency{
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Condition: "some.condition",
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})
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}
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func TestBuild_WithTags(t *testing.T) {
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// Dependency has several tags
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checkBuildWithOptionalFields(t, "with-tags", chart.Dependency{
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Tags: []string{"tag1", "tag2"},
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})
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}
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// Failing test for #6871
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func TestBuild_WithRepositoryAlias(t *testing.T) {
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// Dependency repository is aliased in Chart.yaml
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checkBuildWithOptionalFields(t, "with-repository-alias", chart.Dependency{
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Repository: "@test",
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})
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}
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func TestErrRepoNotFound_Error(t *testing.T) {
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type fields struct {
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Repos []string
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}
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tests := []struct {
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name string
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fields fields
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want string
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}{
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{
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name: "OK",
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fields: fields{
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Repos: []string{"https://charts1.example.com", "https://charts2.example.com"},
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},
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want: "no repository definition for https://charts1.example.com, https://charts2.example.com",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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e := ErrRepoNotFound{
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Repos: tt.fields.Repos,
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}
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if got := e.Error(); got != tt.want {
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t.Errorf("Error() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestKey(t *testing.T) {
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tests := []struct {
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name string
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expect string
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}{
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{
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name: "file:////tmp",
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expect: "afeed3459e92a874f6373aca264ce1459bfa91f9c1d6612f10ae3dc2ee955df3",
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},
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{
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name: "https://example.com/charts",
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expect: "7065c57c94b2411ad774638d76823c7ccb56415441f5ab2f5ece2f3845728e5d",
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},
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{
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name: "foo/bar/baz",
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expect: "15c46a4f8a189ae22f36f201048881d6c090c93583bedcf71f5443fdef224c82",
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},
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}
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for _, tt := range tests {
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o, err := key(tt.name)
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if err != nil {
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t.Fatalf("unable to generate key for %q with error: %s", tt.name, err)
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}
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if o != tt.expect {
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t.Errorf("wrong key name generated for %q, expected %q but got %q", tt.name, tt.expect, o)
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}
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}
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}
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