lib/memfs: add internal method to reset modTime

The resetAllModTime method set the modTime field from Root to its child
to the value in parameter.

2 files changed, 20 insertions, 0 deletions

diff --git a/lib/memfs/memfs.go b/lib/memfs/memfs.go
index 03fac234..9ea03553 100644
--- a/lib/memfs/memfs.go
+++ b/lib/memfs/memfs.go
@@ -16,6 +16,7 @@ import (
 	"regexp"
 	"sort"
 	"strings"
+	"time"
 
 	libbytes "github.com/shuLhan/share/lib/bytes"
 	libints "github.com/shuLhan/share/lib/ints"
@@ -657,3 +658,11 @@ func (mfs *MemFS) refresh(url string) (node *Node, err error) {
 
 	return node, nil
 }
+
+//
+// resetAllModTime set the modTime on Root and its childs to the t.
+// This method is only intended for testing.
+//
+func (mfs *MemFS) resetAllModTime(t time.Time) {
+	mfs.Root.resetAllModTime(t)
+}
diff --git a/lib/memfs/node.go b/lib/memfs/node.go
index e89ef99f..2940fc6f 100644
--- a/lib/memfs/node.go
+++ b/lib/memfs/node.go
@@ -382,6 +382,17 @@ func (leaf *Node) removeChild(child *Node) *Node {
 }
 
 //
+// resetAllModTime set the modTime of node and its child to the t.
+// This method is only intended for testing.
+//
+func (leaf *Node) resetAllModTime(t time.Time) {
+	leaf.modTime = t
+	for _, c := range leaf.Childs {
+		c.resetAllModTime(t)
+	}
+}
+
+//
 // update the node content and information based on new file information.
 //
 // If the newInfo is nil, it will read the file information based on node's