mirror of
https://github.com/genuinetools/reg.git
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317 lines
8.2 KiB
Go
317 lines
8.2 KiB
Go
package client // import "github.com/docker/docker/client"
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import (
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"bytes"
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"net/http"
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"net/url"
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"os"
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"runtime"
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"testing"
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"github.com/docker/docker/api"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/internal/testutil"
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"github.com/gotestyourself/gotestyourself/env"
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"github.com/gotestyourself/gotestyourself/skip"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestNewEnvClient(t *testing.T) {
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skip.If(t, runtime.GOOS == "windows")
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testcases := []struct {
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doc string
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envs map[string]string
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expectedError string
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expectedVersion string
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}{
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{
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doc: "default api version",
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envs: map[string]string{},
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expectedVersion: api.DefaultVersion,
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},
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{
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doc: "invalid cert path",
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envs: map[string]string{
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"DOCKER_CERT_PATH": "invalid/path",
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},
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expectedError: "Could not load X509 key pair: open invalid/path/cert.pem: no such file or directory",
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},
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{
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doc: "default api version with cert path",
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envs: map[string]string{
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"DOCKER_CERT_PATH": "testdata/",
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},
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expectedVersion: api.DefaultVersion,
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},
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{
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doc: "default api version with cert path and tls verify",
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envs: map[string]string{
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"DOCKER_CERT_PATH": "testdata/",
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"DOCKER_TLS_VERIFY": "1",
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},
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expectedVersion: api.DefaultVersion,
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},
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{
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doc: "default api version with cert path and host",
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envs: map[string]string{
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"DOCKER_CERT_PATH": "testdata/",
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"DOCKER_HOST": "https://notaunixsocket",
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},
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expectedVersion: api.DefaultVersion,
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},
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{
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doc: "invalid docker host",
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envs: map[string]string{
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"DOCKER_HOST": "host",
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},
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expectedError: "unable to parse docker host `host`",
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},
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{
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doc: "invalid docker host, with good format",
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envs: map[string]string{
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"DOCKER_HOST": "invalid://url",
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},
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expectedVersion: api.DefaultVersion,
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},
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{
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doc: "override api version",
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envs: map[string]string{
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"DOCKER_API_VERSION": "1.22",
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},
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expectedVersion: "1.22",
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},
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}
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defer env.PatchAll(t, nil)()
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for _, c := range testcases {
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env.PatchAll(t, c.envs)
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apiclient, err := NewEnvClient()
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if c.expectedError != "" {
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assert.Error(t, err, c.doc)
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assert.Equal(t, c.expectedError, err.Error(), c.doc)
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} else {
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assert.NoError(t, err, c.doc)
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version := apiclient.ClientVersion()
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assert.Equal(t, c.expectedVersion, version, c.doc)
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}
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if c.envs["DOCKER_TLS_VERIFY"] != "" {
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// pedantic checking that this is handled correctly
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tr := apiclient.client.Transport.(*http.Transport)
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assert.NotNil(t, tr.TLSClientConfig, c.doc)
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assert.Equal(t, tr.TLSClientConfig.InsecureSkipVerify, false, c.doc)
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}
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}
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}
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func TestGetAPIPath(t *testing.T) {
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testcases := []struct {
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version string
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path string
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query url.Values
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expected string
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}{
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{"", "/containers/json", nil, "/containers/json"},
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{"", "/containers/json", url.Values{}, "/containers/json"},
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{"", "/containers/json", url.Values{"s": []string{"c"}}, "/containers/json?s=c"},
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{"1.22", "/containers/json", nil, "/v1.22/containers/json"},
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{"1.22", "/containers/json", url.Values{}, "/v1.22/containers/json"},
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{"1.22", "/containers/json", url.Values{"s": []string{"c"}}, "/v1.22/containers/json?s=c"},
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{"v1.22", "/containers/json", nil, "/v1.22/containers/json"},
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{"v1.22", "/containers/json", url.Values{}, "/v1.22/containers/json"},
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{"v1.22", "/containers/json", url.Values{"s": []string{"c"}}, "/v1.22/containers/json?s=c"},
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{"v1.22", "/networks/kiwl$%^", nil, "/v1.22/networks/kiwl$%25%5E"},
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}
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for _, testcase := range testcases {
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c := Client{version: testcase.version, basePath: "/"}
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actual := c.getAPIPath(testcase.path, testcase.query)
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assert.Equal(t, actual, testcase.expected)
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}
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}
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func TestParseHostURL(t *testing.T) {
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testcases := []struct {
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host string
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expected *url.URL
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expectedErr string
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}{
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{
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host: "",
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expectedErr: "unable to parse docker host",
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},
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{
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host: "foobar",
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expectedErr: "unable to parse docker host",
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},
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{
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host: "foo://bar",
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expected: &url.URL{Scheme: "foo", Host: "bar"},
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},
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{
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host: "tcp://localhost:2476",
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expected: &url.URL{Scheme: "tcp", Host: "localhost:2476"},
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},
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{
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host: "tcp://localhost:2476/path",
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expected: &url.URL{Scheme: "tcp", Host: "localhost:2476", Path: "/path"},
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},
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}
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for _, testcase := range testcases {
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actual, err := ParseHostURL(testcase.host)
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if testcase.expectedErr != "" {
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testutil.ErrorContains(t, err, testcase.expectedErr)
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}
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assert.Equal(t, testcase.expected, actual)
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}
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}
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func TestNewEnvClientSetsDefaultVersion(t *testing.T) {
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defer env.PatchAll(t, map[string]string{
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"DOCKER_HOST": "",
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"DOCKER_API_VERSION": "",
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"DOCKER_TLS_VERIFY": "",
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"DOCKER_CERT_PATH": "",
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})()
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client, err := NewEnvClient()
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, client.version, api.DefaultVersion)
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expected := "1.22"
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os.Setenv("DOCKER_API_VERSION", expected)
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client, err = NewEnvClient()
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, expected, client.version)
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}
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// TestNegotiateAPIVersionEmpty asserts that client.Client can
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// negotiate a compatible APIVersion when omitted
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func TestNegotiateAPIVersionEmpty(t *testing.T) {
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defer env.PatchAll(t, map[string]string{"DOCKER_API_VERSION": ""})
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client, err := NewEnvClient()
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require.NoError(t, err)
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ping := types.Ping{
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APIVersion: "",
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OSType: "linux",
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Experimental: false,
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}
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// set our version to something new
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client.version = "1.25"
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// if no version from server, expect the earliest
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// version before APIVersion was implemented
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expected := "1.24"
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// test downgrade
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client.NegotiateAPIVersionPing(ping)
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assert.Equal(t, expected, client.version)
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}
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// TestNegotiateAPIVersion asserts that client.Client can
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// negotiate a compatible APIVersion with the server
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func TestNegotiateAPIVersion(t *testing.T) {
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client, err := NewEnvClient()
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require.NoError(t, err)
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expected := "1.21"
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ping := types.Ping{
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APIVersion: expected,
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OSType: "linux",
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Experimental: false,
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}
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// set our version to something new
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client.version = "1.22"
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// test downgrade
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client.NegotiateAPIVersionPing(ping)
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assert.Equal(t, expected, client.version)
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// set the client version to something older, and verify that we keep the
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// original setting.
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expected = "1.20"
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client.version = expected
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client.NegotiateAPIVersionPing(ping)
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assert.Equal(t, expected, client.version)
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}
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// TestNegotiateAPIVersionOverride asserts that we honor
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// the environment variable DOCKER_API_VERSION when negotiating versions
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func TestNegotiateAPVersionOverride(t *testing.T) {
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expected := "9.99"
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defer env.PatchAll(t, map[string]string{"DOCKER_API_VERSION": expected})()
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client, err := NewEnvClient()
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require.NoError(t, err)
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ping := types.Ping{
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APIVersion: "1.24",
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OSType: "linux",
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Experimental: false,
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}
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// test that we honored the env var
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client.NegotiateAPIVersionPing(ping)
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assert.Equal(t, expected, client.version)
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}
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type roundTripFunc func(*http.Request) (*http.Response, error)
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func (rtf roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return rtf(req)
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}
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type bytesBufferClose struct {
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*bytes.Buffer
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}
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func (bbc bytesBufferClose) Close() error {
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return nil
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}
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func TestClientRedirect(t *testing.T) {
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client := &http.Client{
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CheckRedirect: CheckRedirect,
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Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
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if req.URL.String() == "/bla" {
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return &http.Response{StatusCode: 404}, nil
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}
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return &http.Response{
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StatusCode: 301,
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Header: map[string][]string{"Location": {"/bla"}},
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Body: bytesBufferClose{bytes.NewBuffer(nil)},
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}, nil
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}),
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}
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cases := []struct {
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httpMethod string
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expectedErr error
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statusCode int
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}{
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{http.MethodGet, nil, 301},
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{http.MethodPost, &url.Error{Op: "Post", URL: "/bla", Err: ErrRedirect}, 301},
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{http.MethodPut, &url.Error{Op: "Put", URL: "/bla", Err: ErrRedirect}, 301},
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{http.MethodDelete, &url.Error{Op: "Delete", URL: "/bla", Err: ErrRedirect}, 301},
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}
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for _, tc := range cases {
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req, err := http.NewRequest(tc.httpMethod, "/redirectme", nil)
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assert.NoError(t, err)
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resp, err := client.Do(req)
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assert.Equal(t, tc.expectedErr, err)
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assert.Equal(t, tc.statusCode, resp.StatusCode)
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}
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}
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