| 1 | package worktree |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "runtime" |
| 8 | "testing" |
| 9 | ) |
| 10 | |
| 11 | func TestWorktreeStateTokenBindsFileContentAndIndex(t *testing.T) { |
| 12 | requireGit(t) |
| 13 | repo := initRepo(t) |
| 14 | path := filepath.Join(repo, "README.md") |
| 15 | original, err := worktreeStateToken(context.Background(), repo) |
| 16 | if err != nil { |
| 17 | t.Fatal(err) |
| 18 | } |
| 19 | if err := os.WriteFile(path, []byte("changed\n"), 0o644); err != nil { |
| 20 | t.Fatal(err) |
| 21 | } |
| 22 | changed, err := worktreeStateToken(context.Background(), repo) |
| 23 | if err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | if changed == original { |
| 27 | t.Fatal("filesystem content change did not change the state token") |
| 28 | } |
| 29 | gitTest(t, repo, "add", "README.md") |
| 30 | staged, err := worktreeStateToken(context.Background(), repo) |
| 31 | if err != nil { |
| 32 | t.Fatal(err) |
| 33 | } |
| 34 | if staged == changed { |
| 35 | t.Fatal("index change did not change the state token") |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | func TestWorktreeStateTokenBindsSymlinkTargetAndMode(t *testing.T) { |
| 40 | if runtime.GOOS == "windows" { |
| 41 | t.Skip("symlink and executable-mode semantics differ on Windows") |
| 42 | } |
| 43 | requireGit(t) |
| 44 | repo := initRepo(t) |
| 45 | link := filepath.Join(repo, "link") |
| 46 | if err := os.Symlink("first", link); err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | first, err := worktreeStateToken(context.Background(), repo) |
| 50 | if err != nil { |
| 51 | t.Fatal(err) |
| 52 | } |
| 53 | if err := os.Remove(link); err != nil { |
| 54 | t.Fatal(err) |
| 55 | } |
| 56 | if err := os.Symlink("second", link); err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | second, err := worktreeStateToken(context.Background(), repo) |
| 60 | if err != nil { |
| 61 | t.Fatal(err) |
| 62 | } |
| 63 | if second == first { |
| 64 | t.Fatal("symlink target change did not change the state token") |
| 65 | } |
| 66 | if err := os.Remove(link); err != nil { |
| 67 | t.Fatal(err) |
| 68 | } |
| 69 | file := filepath.Join(repo, "mode.txt") |
| 70 | if err := os.WriteFile(file, []byte("mode\n"), 0o644); err != nil { |
| 71 | t.Fatal(err) |
| 72 | } |
| 73 | plain, err := worktreeStateToken(context.Background(), repo) |
| 74 | if err != nil { |
| 75 | t.Fatal(err) |
| 76 | } |
| 77 | if err := os.Chmod(file, 0o755); err != nil { |
| 78 | t.Fatal(err) |
| 79 | } |
| 80 | executable, err := worktreeStateToken(context.Background(), repo) |
| 81 | if err != nil { |
| 82 | t.Fatal(err) |
| 83 | } |
| 84 | if executable == plain { |
| 85 | t.Fatal("file mode change did not change the state token") |
| 86 | } |
| 87 | } |
| 88 |