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package registry // import "github.com/docker/docker/registry"
import (
"context"
"encoding/json"
"errors"
"io"
"net"
"net/http"
"net/http/httptest"
"testing"
"github.com/containerd/log"
"github.com/docker/docker/api/types/registry"
"gotest.tools/v3/assert"
)
var (
testHTTPServer *httptest.Server
testHTTPSServer *httptest.Server
)
func init() {
r := http.NewServeMux()
// /v1/
r.HandleFunc("/v1/_ping", handlerGetPing)
r.HandleFunc("/v1/search", handlerSearch)
// /v2/
r.HandleFunc("/v2/version", handlerGetPing)
testHTTPServer = httptest.NewServer(handlerAccessLog(r))
testHTTPSServer = httptest.NewTLSServer(handlerAccessLog(r))
// override net.LookupIP
lookupIP = func(host string) ([]net.IP, error) {
if host == "127.0.0.1" {
// I believe in future Go versions this will fail, so let's fix it later
return net.LookupIP(host)
}
mockHosts := map[string][]net.IP{
"": {net.ParseIP("0.0.0.0")},
"localhost": {net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
"example.com": {net.ParseIP("42.42.42.42")},
"other.com": {net.ParseIP("43.43.43.43")},
}
for h, addrs := range mockHosts {
if host == h {
return addrs, nil
}
for _, addr := range addrs {
if addr.String() == host {
return []net.IP{addr}, nil
}
}
}
return nil, errors.New("lookup: no such host")
}
}
func handlerAccessLog(handler http.Handler) http.Handler {
logHandler := func(w http.ResponseWriter, r *http.Request) {
log.G(context.TODO()).Debugf(`%s "%s %s"`, r.RemoteAddr, r.Method, r.URL)
handler.ServeHTTP(w, r)
}
return http.HandlerFunc(logHandler)
}
func makeURL(req string) string {
return testHTTPServer.URL + req
}
func makeHTTPSURL(req string) string {
return testHTTPSServer.URL + req
}
func makeIndex(req string) *registry.IndexInfo {
return ®istry.IndexInfo{
Name: makeURL(req),
}
}
func makeHTTPSIndex(req string) *registry.IndexInfo {
return ®istry.IndexInfo{
Name: makeHTTPSURL(req),
}
}
func makePublicIndex() *registry.IndexInfo {
return ®istry.IndexInfo{
Name: IndexServer,
Secure: true,
Official: true,
}
}
func makeServiceConfig(mirrors []string, insecureRegistries []string) (*serviceConfig, error) {
return newServiceConfig(ServiceOptions{
Mirrors: mirrors,
InsecureRegistries: insecureRegistries,
})
}
func writeHeaders(w http.ResponseWriter) {
h := w.Header()
h.Add("Server", "docker-tests/mock")
h.Add("Expires", "-1")
h.Add("Content-Type", "application/json")
h.Add("Pragma", "no-cache")
h.Add("Cache-Control", "no-cache")
}
func writeResponse(w http.ResponseWriter, message interface{}, code int) {
writeHeaders(w)
w.WriteHeader(code)
body, err := json.Marshal(message)
if err != nil {
_, _ = io.WriteString(w, err.Error())
return
}
_, _ = w.Write(body)
}
func handlerGetPing(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
writeResponse(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
writeResponse(w, true, http.StatusOK)
}
func handlerSearch(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
writeResponse(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
result := ®istry.SearchResults{
Query: "fakequery",
NumResults: 1,
Results: []registry.SearchResult{{Name: "fakeimage", StarCount: 42}},
}
writeResponse(w, result, http.StatusOK)
}
func TestPing(t *testing.T) {
res, err := http.Get(makeURL("/v1/_ping"))
if err != nil {
t.Fatal(err)
}
assert.Equal(t, res.StatusCode, http.StatusOK, "")
assert.Equal(t, res.Header.Get("Server"), "docker-tests/mock")
}
|
