| 1 | package session |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "testing" |
| 7 | ) |
| 8 | |
| 9 | func TestDeleteConfinesTrashAndQueryCache(t *testing.T) { |
| 10 | for _, directory := range []string{".trash", ".query-cache"} { |
| 11 | t.Run(directory, func(t *testing.T) { |
| 12 | root, outside := t.TempDir(), t.TempDir() |
| 13 | persistence := NewFilesystemPersistence(root) |
| 14 | created, err := persistence.Create(CreateOptions{SessionID: "owned"}) |
| 15 | if err != nil { |
| 16 | t.Fatal(err) |
| 17 | } |
| 18 | if err := created.Close(t.Context()); err != nil { |
| 19 | t.Fatal(err) |
| 20 | } |
| 21 | if err := os.MkdirAll(filepath.Join(outside, "owned"), 0o700); err != nil { |
| 22 | t.Fatal(err) |
| 23 | } |
| 24 | sentinel := filepath.Join(outside, "owned", "keep") |
| 25 | if err := os.WriteFile(sentinel, []byte("outside data"), 0o600); err != nil { |
| 26 | t.Fatal(err) |
| 27 | } |
| 28 | if err := os.Symlink(outside, filepath.Join(root, directory)); err != nil { |
| 29 | t.Skipf("symlink unavailable: %v", err) |
| 30 | } |
| 31 | err = persistence.Delete(t.Context(), "owned") |
| 32 | if directory == ".trash" { |
| 33 | if err == nil { |
| 34 | t.Fatal("delete moved the session outside the root") |
| 35 | } |
| 36 | if _, err := os.Stat(filepath.Join(root, "owned", "manifest.json")); err != nil { |
| 37 | t.Fatalf("failed delete removed the session: %v", err) |
| 38 | } |
| 39 | } else if err != nil { |
| 40 | t.Fatalf("delete with an unavailable advisory cache: %v", err) |
| 41 | } |
| 42 | body, err := os.ReadFile(sentinel) |
| 43 | if err != nil || string(body) != "outside data" { |
| 44 | t.Fatalf("delete changed external cache data: %q, %v", body, err) |
| 45 | } |
| 46 | entries, err := os.ReadDir(outside) |
| 47 | if err != nil || len(entries) != 1 || entries[0].Name() != "owned" { |
| 48 | t.Fatalf("delete wrote an external tombstone: %v, %v", entries, err) |
| 49 | } |
| 50 | }) |
| 51 | } |
| 52 | } |
| 53 |