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patrickandClaude Sonnet 5 bc51c53a41
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API-23: http-client mit zeitlimit im core-root-modul
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-28 05:02:45 +00:00

111 lines
3.2 KiB
Go

package httpclient
import (
"io/fs"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"regexp"
"strings"
"testing"
"time"
)
func TestDefaultHasTimeout(t *testing.T) {
if Default().Timeout != DefaultTimeout || DefaultTimeout <= 0 {
t.Fatalf("timeout = %s", Default().Timeout)
}
}
func TestClientGivesUpOnHangingServer(t *testing.T) {
release := make(chan struct{})
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { <-release }))
defer srv.Close()
defer close(release)
start := time.Now()
resp, err := New(200 * time.Millisecond).Get(srv.URL)
if err == nil {
_ = resp.Body.Close()
t.Fatal("kein fehler bei haengendem server")
}
if elapsed := time.Since(start); elapsed > 5*time.Second {
t.Fatalf("aufruf dauerte %s", elapsed)
}
}
func TestClientDoesNotFollowRedirects(t *testing.T) {
target := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
t.Error("weiterleitungsziel wurde aufgerufen (Service-Token-Leck)")
}))
defer target.Close()
redirector := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, target.URL, http.StatusTemporaryRedirect)
}))
defer redirector.Close()
req, _ := http.NewRequest(http.MethodPost, redirector.URL, strings.NewReader("x"))
req.Header.Set("X-Service-Token", "geheim")
resp, err := Default().Do(req)
if err != nil {
t.Fatalf("do: %v", err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusTemporaryRedirect {
t.Fatalf("status = %d, erwartet 307", resp.StatusCode)
}
}
// Architekturtest: im Produktivcode dieses Moduls gibt es keine Aufrufe ueber
// den Standard-Client ohne Zeitlimit, auch keinen ungebundenen http.Client{}.
func TestNoUnboundedDefaultClientInProductionCode(t *testing.T) {
repoRoot, err := filepath.Abs(filepath.Join("..", ".."))
if err != nil {
t.Fatal(err)
}
// Core-root-Modul lebt am Repo-Wurzelverzeichnis neben den eigenstaendigen
// Modulen (dms/, archive/, mail/, ...) - nur internal/ und cmd/ gehoeren
// zu diesem Modul, der Rest wird von den jeweiligen Modul-Architekturtests
// abgedeckt.
scanDirs := []string{"internal", "cmd"}
forbidden := regexp.MustCompile(`http\.DefaultClient|http\.(Get|Post|Head|PostForm)\(|http\.Client\{\}`)
for _, dir := range scanDirs {
root := filepath.Join(repoRoot, dir)
if _, err := os.Stat(root); os.IsNotExist(err) {
continue
}
err = filepath.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if d.IsDir() {
if n := d.Name(); n == "node_modules" || n == "testdata" || n == ".git" {
return filepath.SkipDir
}
return nil
}
if !strings.HasSuffix(path, ".go") || strings.HasSuffix(path, "_test.go") {
return nil
}
data, err := os.ReadFile(path)
if err != nil {
return err
}
for i, line := range strings.Split(string(data), "\n") {
if t := strings.TrimSpace(line); strings.HasPrefix(t, "//") {
continue
}
if forbidden.MatchString(line) {
rel, _ := filepath.Rel(repoRoot, path)
t.Errorf("%s:%d nutzt den Standard-Client ohne Zeitlimit: %s", rel, i+1, strings.TrimSpace(line))
}
}
return nil
})
if err != nil {
t.Fatal(err)
}
}
}