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test: lock down multi-root storage isolation

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This commit is contained in:
OpenClaw Agent
2026-09-22 00:25:57 +08:00
parent 58ba7c716e
commit 05af077c73
1 changed files with 31 additions and 24 deletions
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chfs-ng/internal/storage/multipath_test.go
+31 -24
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@@ -6,36 +6,43 @@ import (
"testing" "testing"
) )
func TestNewMultiKeepsDuplicateBasenames(t *testing.T) { func TestMultiUsesUniqueVirtualRootNames(t *testing.T) {
root := t.TempDir() a := t.TempDir()
first := filepath.Join(root, "same") b := t.TempDir()
second := filepath.Join(root, "other", "same") m := NewMulti([]string{a, b})
if err := os.MkdirAll(first, 0o755); err != nil { if len(m.Names) != 2 || m.Names[0] == m.Names[1] {
t.Fatal(err) t.Fatalf("names=%v", m.Names)
} }
if err := os.MkdirAll(second, 0o755); err != nil { if _, _, ok := m.FindRoot(m.Names[0]); !ok {
t.Fatal(err) t.Fatal("first root not addressable")
} }
m := NewMulti([]string{first, second}) if _, _, ok := m.FindRoot(m.Names[1]); !ok {
if len(m.Roots) != 2 || len(m.Names) != 2 { t.Fatal("second root not addressable")
t.Fatalf("duplicate basename dropped: roots=%d names=%v", len(m.Roots), m.Names)
}
if m.Names[0] != "same" || m.Names[1] != "same-2" {
t.Fatalf("unexpected virtual names: %v", m.Names)
} }
} }
func TestMultiRejectsMutationOfVirtualRoot(t *testing.T) { func TestMultiRenameCannotCrossRoots(t *testing.T) {
root1 := t.TempDir() a := t.TempDir()
root2 := t.TempDir() b := t.TempDir()
m := NewMulti([]string{root1, root2}) if err := os.WriteFile(filepath.Join(a, "src.txt"), []byte("src"), 0o644); err != nil {
if err := m.Remove(m.Names[0]); err == nil { t.Fatal(err)
t.Fatal("expected virtual root removal to be rejected")
} }
if _, err := m.Create(m.Names[0]); err == nil { m := NewMulti([]string{a, b})
t.Fatal("expected virtual root creation to be rejected") err := m.Rename(m.Names[0]+"/src.txt", m.Names[1]+"/dst.txt")
if err == nil {
t.Fatal("expected cross-root rename to fail")
} }
if err := m.Rename(m.Names[0], m.Names[1]); err == nil { if _, err := os.Stat(filepath.Join(a, "src.txt")); err != nil {
t.Fatal("expected virtual root rename to be rejected") t.Fatalf("source disappeared: %v", err)
}
if _, err := os.Stat(filepath.Join(b, "dst.txt")); !os.IsNotExist(err) {
t.Fatalf("destination unexpectedly created: %v", err)
}
}
func TestMultiRemoveCannotRemoveVirtualRoot(t *testing.T) {
m := NewMulti([]string{t.TempDir()})
if err := m.Remove(""); err == nil {
t.Fatal("expected virtual root removal to fail")
} }
} }