Add a migration test helper

diff --git a/hugolib/testhelpers_test.go b/hugolib/testhelpers_test.go
index 105654c4f3015d1a4d329d535c41600048e75cee..e03ea53630fafa0cb44c8a08d764e59d8cdc79e3 100644 (file)
--- a/hugolib/testhelpers_test.go
+++ b/hugolib/testhelpers_test.go
@@ -5,6 +5,7 @@ import (
        "fmt"
        "image/jpeg"
        "io"
+       "io/fs"
        "math/rand"
        "os"
        "path/filepath"
@@ -702,6 +703,34 @@ func (s *sitesBuilder) AssertFileContentFn(filename string, f func(s string) boo
        }
 }
 
+// Helper to migrate tests to new format.
+func (s *sitesBuilder) DumpTxtar() string {
+       var sb strings.Builder
+
+       skipRe := regexp.MustCompile(`^(public|resources|package-lock.json|go.sum)`)
+
+       afero.Walk(s.Fs.Source, s.workingDir, func(path string, info fs.FileInfo, err error) error {
+               rel := strings.TrimPrefix(path, s.workingDir+"/")
+               if skipRe.MatchString(rel) {
+                       if info.IsDir() {
+                               return filepath.SkipDir
+                       }
+                       return nil
+               }
+               if info == nil || info.IsDir() {
+                       return nil
+               }
+               sb.WriteString(fmt.Sprintf("-- %s --\n", rel))
+               b, err := afero.ReadFile(s.Fs.Source, path)
+               s.Assert(err, qt.IsNil)
+               sb.WriteString(strings.TrimSpace(string(b)))
+               sb.WriteString("\n")
+               return nil
+       })
+
+       return sb.String()
+}
+
 func (s *sitesBuilder) AssertHome(matches ...string) {
        s.AssertFileContent("public/index.html", matches...)
 }