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// Copyright 2019 Google LLC All Rights Reserved.
//
// 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 remote_test
import (
"errors"
"fmt"
"log"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/google/go-containerregistry/pkg/name"
"github.com/google/go-containerregistry/pkg/registry"
"github.com/google/go-containerregistry/pkg/v1/random"
"github.com/google/go-containerregistry/pkg/v1/remote"
"github.com/google/go-containerregistry/pkg/v1/remote/transport"
)
func TestStatusCodeReturned(t *testing.T) {
tcs := []struct {
Description string
Handler http.Handler
}{{
Description: "Only returns teapot status",
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusTeapot)
}),
}, {
Description: "Handle v2, returns teapot status else",
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Print(r.URL.Path)
if r.URL.Path == "/v2/" {
return
}
w.WriteHeader(http.StatusTeapot)
}),
}}
for _, tc := range tcs {
t.Run(tc.Description, func(t *testing.T) {
o := httptest.NewServer(tc.Handler)
defer o.Close()
ref, err := name.NewDigest(strings.TrimPrefix(o.URL+"/foo:@sha256:53b27244ffa2f585799adbfaf79fba5a5af104597751b289c8b235e7b8f7ebf5", "http://"))
if err != nil {
t.Fatalf("Unable to parse digest: %v", err)
}
_, err = remote.Image(ref)
var terr *transport.Error
if !errors.As(err, &terr) {
t.Fatalf("Unable to cast error to transport error: %v", err)
}
if terr.StatusCode != http.StatusTeapot {
t.Errorf("Incorrect status code received, got %v, wanted %v", terr.StatusCode, http.StatusTeapot)
}
})
}
}
func TestBlobStatusCodeReturned(t *testing.T) {
reg := registry.New()
rh := httptest.NewServer(reg)
defer rh.Close()
i, _ := random.Image(1024, 16)
tag := strings.TrimPrefix(fmt.Sprintf("%s/foo:bar", rh.URL), "http://")
d, _ := name.NewTag(tag)
if err := remote.Write(d, i); err != nil {
t.Fatalf("Unable to write empty image: %v", err)
}
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Print(r.URL.Path)
if strings.Contains(r.URL.Path, "blob") {
w.WriteHeader(http.StatusTeapot)
return
}
reg.ServeHTTP(w, r)
})
o := httptest.NewServer(handler)
defer o.Close()
ref, err := name.NewTag(strings.TrimPrefix(fmt.Sprintf("%s/foo:bar", o.URL), "http://"))
if err != nil {
t.Fatalf("Unable to parse digest: %v", err)
}
ri, err := remote.Image(ref)
if err != nil {
t.Fatalf("Unable to fetch manifest: %v", err)
}
l, err := ri.Layers()
if err != nil {
t.Fatalf("Unable to fetch layers: %v", err)
}
_, err = l[0].Compressed()
var terr *transport.Error
if !errors.As(err, &terr) {
t.Fatalf("Unable to cast error to transport error: %v", err)
}
if terr.StatusCode != http.StatusTeapot {
t.Errorf("Incorrect status code received, got %v, wanted %v", terr.StatusCode, http.StatusTeapot)
}
_, err = l[0].Uncompressed()
if !errors.As(err, &terr) {
t.Fatalf("Unable to cast error to transport error: %v", err)
}
if terr.StatusCode != http.StatusTeapot {
t.Errorf("Incorrect status code received, got %v, wanted %v", terr.StatusCode, http.StatusTeapot)
}
}
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