buildx/util/gitutil/testutilserve.go

99 lines
1.9 KiB
Go

package gitutil
import (
"context"
"fmt"
"net"
"net/http"
"testing"
"github.com/pkg/errors"
"github.com/stretchr/testify/require"
)
type gitServe struct {
token string
}
type GitServeOpt func(*gitServe)
func WithAccessToken(token string) GitServeOpt {
return func(s *gitServe) {
s.token = token
}
}
func GitServeHTTP(c *Git, t testing.TB, opts ...GitServeOpt) (url string) {
t.Helper()
gitUpdateServerInfo(c, t)
ctx, cancel := context.WithCancelCause(context.TODO())
gs := &gitServe{}
for _, opt := range opts {
opt(gs)
}
ready := make(chan struct{})
done := make(chan struct{})
name := "test.git"
dir, err := c.GitDir()
if err != nil {
cancel(err)
}
var addr string
go func() {
mux := http.NewServeMux()
prefix := fmt.Sprintf("/%s/", name)
handler := func(next http.Handler) http.Handler {
var tokenChecked bool
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if gs.token != "" && !tokenChecked {
t.Logf("git access token to check: %q", gs.token)
user, pass, _ := r.BasicAuth()
t.Logf("basic auth: user=%q pass=%q", user, pass)
if pass != gs.token {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
tokenChecked = true
}
next.ServeHTTP(w, r)
})
}
mux.Handle(prefix, handler(http.StripPrefix(prefix, http.FileServer(http.Dir(dir)))))
l, err := net.Listen("tcp", "localhost:0")
if err != nil {
panic(err)
}
addr = l.Addr().String()
close(ready)
s := http.Server{Handler: mux} //nolint:gosec // potential attacks are not relevant for tests
go s.Serve(l)
<-ctx.Done()
s.Shutdown(context.TODO())
l.Close()
close(done)
}()
<-ready
t.Cleanup(func() {
cancel(errors.Errorf("cleanup"))
<-done
})
return fmt.Sprintf("http://%s/%s", addr, name)
}
func gitUpdateServerInfo(c *Git, tb testing.TB) {
tb.Helper()
_, err := fakeGit(c, "update-server-info")
require.NoError(tb, err)
}