| 1 | package memoriatest |
| 2 | |
| 3 | import ( |
| 4 | "go/parser" |
| 5 | "go/token" |
| 6 | "io/fs" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | "strings" |
| 10 | "testing" |
| 11 | ) |
| 12 | |
| 13 | // preMoveRastrillo is rastrillo's module path before it moved to |
| 14 | // amadan.net/rastrillo/rastrillo (v0.25.0). Nothing after v0.23.0 was |
| 15 | // released under it, so code importing it gets no rastrillo fix, and |
| 16 | // its own vendored-asset check cannot tell. That is how Memoria kept |
| 17 | // zooming iOS on every tap for a month after rastrillo fixed it (polish |
| 18 | // audit r3, item 1). |
| 19 | const preMoveRastrillo = "github.com/carlosframework/rastrillo" |
| 20 | |
| 21 | // preMoveAllowed is the one file that may still import it, and why: |
| 22 | // rastrillo/native's server takes the old path's *sessions.Sessions. |
| 23 | // Delete the entry when native/server moves. |
| 24 | var preMoveAllowed = map[string]string{ |
| 25 | "internal/memoria/native.go": preMoveRastrillo + "/sessions", |
| 26 | } |
| 27 | |
| 28 | // TestNoPreMoveRastrillo fails on any import of rastrillo's old module |
| 29 | // path outside preMoveAllowed, anywhere in the repository's Go. |
| 30 | func TestNoPreMoveRastrillo(t *testing.T) { |
| 31 | root, err := filepath.Abs(filepath.Join("..", "..")) |
| 32 | if err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | fset := token.NewFileSet() |
| 36 | seen := 0 |
| 37 | err = filepath.WalkDir(root, func(path string, d fs.DirEntry, err error) error { |
| 38 | if err != nil { |
| 39 | return err |
| 40 | } |
| 41 | if d.IsDir() { |
| 42 | switch d.Name() { |
| 43 | case ".git", "node_modules", "native", "releases": |
| 44 | return filepath.SkipDir |
| 45 | } |
| 46 | return nil |
| 47 | } |
| 48 | if !strings.HasSuffix(path, ".go") { |
| 49 | return nil |
| 50 | } |
| 51 | src, err := os.ReadFile(path) |
| 52 | if err != nil { |
| 53 | return err |
| 54 | } |
| 55 | f, err := parser.ParseFile(fset, path, src, parser.ImportsOnly) |
| 56 | if err != nil { |
| 57 | return nil // a file that does not parse is the compiler's problem |
| 58 | } |
| 59 | seen++ |
| 60 | rel, _ := filepath.Rel(root, path) |
| 61 | rel = filepath.ToSlash(rel) |
| 62 | for _, im := range f.Imports { |
| 63 | imp := strings.Trim(im.Path.Value, `"`) |
| 64 | if (imp == preMoveRastrillo || strings.HasPrefix(imp, preMoveRastrillo+"/")) && preMoveAllowed[rel] != imp { |
| 65 | t.Errorf("%s: imports %q, rastrillo's frozen pre-move path; use amadan.net/rastrillo/rastrillo", rel, imp) |
| 66 | } |
| 67 | } |
| 68 | return nil |
| 69 | }) |
| 70 | if err != nil { |
| 71 | t.Fatal(err) |
| 72 | } |
| 73 | // The walk found the app, or it would pass by reading nothing. |
| 74 | if seen < 50 { |
| 75 | t.Fatalf("walked only %d Go files from %s; the walk is not reaching the repository", seen, root) |
| 76 | } |
| 77 | } |
| 78 | |
amadan