1 files changed, 5 insertions, 1 deletions
diff --git a/internal/namespace/namespace.go b/internal/namespace/namespace.go
index 368775f..3f27faf 100644
--- a/internal/namespace/namespace.go
+++ b/internal/namespace/namespace.go
@@ -58,6 +58,8 @@ type FileSystem interface {
 	CreateTemp(dir, pattern string) (*os.File, error)
 	MkdirTemp(dir, pattern string) (string, error)
 	Remove(name string) error
+	ReadFile(name string) ([]byte, error)
+	Open(name string) (*os.File, error)
 }
 
 // realFS is the production implementation using the os package.
@@ -73,7 +75,9 @@ func (r *realFS) CreateTemp(dir, pattern string) (*os.File, error) {
 func (r *realFS) MkdirTemp(dir, pattern string) (string, error) {
 	return os.MkdirTemp(dir, pattern)
 }
-func (r *realFS) Remove(name string) error { return os.Remove(name) }
+func (r *realFS) Remove(name string) error             { return os.Remove(name) }
+func (r *realFS) ReadFile(name string) ([]byte, error) { return os.ReadFile(name) }
+func (r *realFS) Open(name string) (*os.File, error)   { return os.Open(name) }
 
 // DefaultFS is the global instance used by the package functions.
 var DefaultFS FileSystem = &realFS{}