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252 lines
7.5 KiB
252 lines
7.5 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 registry
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"testing"
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"time"
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auth "github.com/deislabs/oras/pkg/auth/docker"
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"github.com/docker/distribution/configuration"
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"github.com/docker/distribution/registry"
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_ "github.com/docker/distribution/registry/auth/htpasswd"
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_ "github.com/docker/distribution/registry/storage/driver/inmemory"
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"github.com/stretchr/testify/suite"
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"golang.org/x/crypto/bcrypt"
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"helm.sh/helm/v3/pkg/chart"
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)
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var (
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testCacheRootDir = "helm-registry-test"
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testHtpasswdFileBasename = "authtest.htpasswd"
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testUsername = "myuser"
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testPassword = "mypass"
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)
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type RegistryClientTestSuite struct {
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suite.Suite
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Out io.Writer
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DockerRegistryHost string
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CacheRootDir string
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RegistryClient *Client
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}
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func (suite *RegistryClientTestSuite) SetupSuite() {
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suite.CacheRootDir = testCacheRootDir
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os.RemoveAll(suite.CacheRootDir)
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os.Mkdir(suite.CacheRootDir, 0700)
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var out bytes.Buffer
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suite.Out = &out
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credentialsFile := filepath.Join(suite.CacheRootDir, CredentialsFileBasename)
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client, err := auth.NewClient(credentialsFile)
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suite.Nil(err, "no error creating auth client")
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resolver, err := client.Resolver(context.Background())
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suite.Nil(err, "no error creating resolver")
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// create cache
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cache, err := NewCache(
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CacheOptDebug(true),
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CacheOptWriter(suite.Out),
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CacheOptRoot(filepath.Join(suite.CacheRootDir, CacheRootDir)),
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)
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suite.Nil(err, "no error creating cache")
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// init test client
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suite.RegistryClient, err = NewClient(
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ClientOptDebug(true),
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ClientOptWriter(suite.Out),
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ClientOptAuthorizer(&Authorizer{
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Client: client,
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}),
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ClientOptResolver(&Resolver{
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Resolver: resolver,
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}),
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ClientOptCache(cache),
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)
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suite.Nil(err, "no error creating registry client")
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// create htpasswd file (w BCrypt, which is required)
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pwBytes, err := bcrypt.GenerateFromPassword([]byte(testPassword), bcrypt.DefaultCost)
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suite.Nil(err, "no error generating bcrypt password for test htpasswd file")
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htpasswdPath := filepath.Join(suite.CacheRootDir, testHtpasswdFileBasename)
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err = ioutil.WriteFile(htpasswdPath, []byte(fmt.Sprintf("%s:%s\n", testUsername, string(pwBytes))), 0644)
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suite.Nil(err, "no error creating test htpasswd file")
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// Registry config
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config := &configuration.Configuration{}
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port, err := getFreePort()
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suite.Nil(err, "no error finding free port for test registry")
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suite.DockerRegistryHost = fmt.Sprintf("localhost:%d", port)
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config.HTTP.Addr = fmt.Sprintf(":%d", port)
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config.HTTP.DrainTimeout = time.Duration(10) * time.Second
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config.Storage = map[string]configuration.Parameters{"inmemory": map[string]interface{}{}}
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config.Auth = configuration.Auth{
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"htpasswd": configuration.Parameters{
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"realm": "localhost",
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"path": htpasswdPath,
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},
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}
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dockerRegistry, err := registry.NewRegistry(context.Background(), config)
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suite.Nil(err, "no error creating test registry")
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// Start Docker registry
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go dockerRegistry.ListenAndServe()
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}
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func (suite *RegistryClientTestSuite) TearDownSuite() {
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os.RemoveAll(suite.CacheRootDir)
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}
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func (suite *RegistryClientTestSuite) Test_0_Login() {
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err := suite.RegistryClient.Login(suite.DockerRegistryHost, "badverybad", "ohsobad", false)
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suite.NotNil(err, "error logging into registry with bad credentials")
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err = suite.RegistryClient.Login(suite.DockerRegistryHost, "badverybad", "ohsobad", true)
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suite.NotNil(err, "error logging into registry with bad credentials, insecure mode")
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err = suite.RegistryClient.Login(suite.DockerRegistryHost, testUsername, testPassword, false)
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suite.Nil(err, "no error logging into registry with good credentials")
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err = suite.RegistryClient.Login(suite.DockerRegistryHost, testUsername, testPassword, true)
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suite.Nil(err, "no error logging into registry with good credentials, insecure mode")
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}
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func (suite *RegistryClientTestSuite) Test_1_SaveChart() {
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ref, err := ParseReference(fmt.Sprintf("%s/testrepo/testchart:1.2.3", suite.DockerRegistryHost))
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suite.Nil(err)
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// empty chart
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err = suite.RegistryClient.SaveChart(&chart.Chart{}, ref)
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suite.NotNil(err)
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// valid chart
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ch := &chart.Chart{}
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ch.Metadata = &chart.Metadata{
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APIVersion: "v1",
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Name: "testchart",
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Version: "1.2.3",
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}
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err = suite.RegistryClient.SaveChart(ch, ref)
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suite.Nil(err)
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}
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func (suite *RegistryClientTestSuite) Test_2_LoadChart() {
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// non-existent ref
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ref, err := ParseReference(fmt.Sprintf("%s/testrepo/whodis:9.9.9", suite.DockerRegistryHost))
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suite.Nil(err)
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ch, err := suite.RegistryClient.LoadChart(ref)
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suite.NotNil(err)
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// existing ref
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ref, err = ParseReference(fmt.Sprintf("%s/testrepo/testchart:1.2.3", suite.DockerRegistryHost))
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suite.Nil(err)
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ch, err = suite.RegistryClient.LoadChart(ref)
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suite.Nil(err)
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suite.Equal("testchart", ch.Metadata.Name)
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suite.Equal("1.2.3", ch.Metadata.Version)
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}
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func (suite *RegistryClientTestSuite) Test_3_PushChart() {
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// non-existent ref
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ref, err := ParseReference(fmt.Sprintf("%s/testrepo/whodis:9.9.9", suite.DockerRegistryHost))
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suite.Nil(err)
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err = suite.RegistryClient.PushChart(ref)
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suite.NotNil(err)
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// existing ref
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ref, err = ParseReference(fmt.Sprintf("%s/testrepo/testchart:1.2.3", suite.DockerRegistryHost))
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suite.Nil(err)
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err = suite.RegistryClient.PushChart(ref)
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suite.Nil(err)
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}
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func (suite *RegistryClientTestSuite) Test_4_PullChart() {
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// non-existent ref
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ref, err := ParseReference(fmt.Sprintf("%s/testrepo/whodis:9.9.9", suite.DockerRegistryHost))
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suite.Nil(err)
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err = suite.RegistryClient.PullChart(ref)
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suite.NotNil(err)
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// existing ref
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ref, err = ParseReference(fmt.Sprintf("%s/testrepo/testchart:1.2.3", suite.DockerRegistryHost))
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suite.Nil(err)
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err = suite.RegistryClient.PullChart(ref)
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suite.Nil(err)
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}
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func (suite *RegistryClientTestSuite) Test_5_PrintChartTable() {
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err := suite.RegistryClient.PrintChartTable()
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suite.Nil(err)
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}
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func (suite *RegistryClientTestSuite) Test_6_RemoveChart() {
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// non-existent ref
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ref, err := ParseReference(fmt.Sprintf("%s/testrepo/whodis:9.9.9", suite.DockerRegistryHost))
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suite.Nil(err)
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err = suite.RegistryClient.RemoveChart(ref)
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suite.NotNil(err)
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// existing ref
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ref, err = ParseReference(fmt.Sprintf("%s/testrepo/testchart:1.2.3", suite.DockerRegistryHost))
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suite.Nil(err)
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err = suite.RegistryClient.RemoveChart(ref)
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suite.Nil(err)
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}
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func (suite *RegistryClientTestSuite) Test_7_Logout() {
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err := suite.RegistryClient.Logout("this-host-aint-real:5000")
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suite.NotNil(err, "error logging out of registry that has no entry")
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err = suite.RegistryClient.Logout(suite.DockerRegistryHost)
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suite.Nil(err, "no error logging out of registry")
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}
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func TestRegistryClientTestSuite(t *testing.T) {
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suite.Run(t, new(RegistryClientTestSuite))
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}
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// borrowed from https://github.com/phayes/freeport
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func getFreePort() (int, error) {
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addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
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if err != nil {
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return 0, err
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}
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l, err := net.ListenTCP("tcp", addr)
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if err != nil {
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return 0, err
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}
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defer l.Close()
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return l.Addr().(*net.TCPAddr).Port, nil
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}
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