nexarch/dms/internal/archtest/defaultclient_test.go

package archtest

import (
	"io/fs"
	"os"
	"path/filepath"
	"regexp"
	"strings"
	"testing"
)

// Architekturtest: im Produktivcode dieses Moduls gibt es keine Aufrufe ueber
// den Standard-Client ohne Zeitlimit.
func TestNoUnboundedDefaultClientInProductionCode(t *testing.T) {
	root, err := filepath.Abs(filepath.Join("..", ".."))
	if err != nil {
		t.Fatal(err)
	}
	forbidden := regexp.MustCompile(`http\.DefaultClient|http\.(Get|Post|Head|PostForm)\(`)
	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(root, 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)
	}
}