| 1 | package sessionui |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "database/sql" |
| 7 | "encoding/json" |
| 8 | "errors" |
| 9 | "os" |
| 10 | "path/filepath" |
| 11 | "sync" |
| 12 | "testing" |
| 13 | ) |
| 14 | |
| 15 | func TestComposerCASAcrossStoresDoesNotCreateRecoveryCopies(t *testing.T) { |
| 16 | path := filepath.Join(t.TempDir(), "session-ui.sqlite") |
| 17 | a, b := New(path), New(path) |
| 18 | t.Cleanup(func() { _ = a.Close(); _ = b.Close() }) |
| 19 | r, err := a.Save(t.Context(), "composer", "local:one", "0", json.RawMessage(`{"text":"seed","future":{"keep":true}}`)) |
| 20 | if err != nil { |
| 21 | t.Fatal(err) |
| 22 | } |
| 23 | if _, err = b.Get(t.Context(), "composer", "local:one"); err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | var wg sync.WaitGroup |
| 27 | failures := make(chan error, 2) |
| 28 | for _, s := range []*Store{a, b} { |
| 29 | wg.Add(1) |
| 30 | go func(s *Store) { |
| 31 | defer wg.Done() |
| 32 | _, err := s.Save(context.Background(), "composer", "local:one", r.Revision, json.RawMessage(`{"text":"edited"}`)) |
| 33 | failures <- err |
| 34 | }(s) |
| 35 | } |
| 36 | wg.Wait() |
| 37 | close(failures) |
| 38 | conflicts := 0 |
| 39 | for err := range failures { |
| 40 | if errors.Is(err, ErrConflict) { |
| 41 | conflicts++ |
| 42 | } else if err != nil { |
| 43 | t.Fatal(err) |
| 44 | } |
| 45 | } |
| 46 | if conflicts != 1 { |
| 47 | t.Fatalf("conflicts=%d", conflicts) |
| 48 | } |
| 49 | var count int |
| 50 | if err := a.db.QueryRow(`SELECT COUNT(*) FROM conflicts`).Scan(&count); err != nil || count != 0 { |
| 51 | t.Fatalf("conflict copy count=%d err=%v", count, err) |
| 52 | } |
| 53 | _ = a.Close() |
| 54 | if _, err := a.Get(t.Context(), "composer", "local:one"); err == nil { |
| 55 | t.Fatal("closed store reopened after shutdown") |
| 56 | } |
| 57 | a = New(path) |
| 58 | defer a.Close() |
| 59 | r, err = a.Get(t.Context(), "composer", "local:one") |
| 60 | if err != nil || r.Revision != "2" { |
| 61 | t.Fatalf("restart=%+v %v", r, err) |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | func TestInputDatabasePathTreatsPunctuationAsFilename(t *testing.T) { |
| 66 | path := filepath.Join(t.TempDir(), "会话 #百分号%.sqlite") |
| 67 | store := New(path) |
| 68 | if _, err := store.Save(t.Context(), "composer", "local:one", "0", json.RawMessage(`{"text":"keep"}`)); err != nil { |
| 69 | t.Fatal(err) |
| 70 | } |
| 71 | if err := store.Close(); err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | if _, err := os.Stat(path); err != nil { |
| 75 | t.Fatal(err) |
| 76 | } |
| 77 | reopened := New(path) |
| 78 | defer reopened.Close() |
| 79 | record, err := reopened.Get(t.Context(), "composer", "local:one") |
| 80 | if err != nil || string(record.Payload) != `{"text":"keep"}` { |
| 81 | t.Fatalf("wrong path reopened: %+v %v", record, err) |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | func TestFutureVersionIsBytePreserved(t *testing.T) { |
| 86 | path := filepath.Join(t.TempDir(), "future.sqlite") |
| 87 | db, err := sql.Open("sqlite", path) |
| 88 | if err != nil { |
| 89 | t.Fatal(err) |
| 90 | } |
| 91 | if _, err = db.Exec(`PRAGMA user_version=99`); err != nil { |
| 92 | t.Fatal(err) |
| 93 | } |
| 94 | _ = db.Close() |
| 95 | before, err := os.ReadFile(path) |
| 96 | if err != nil { |
| 97 | t.Fatal(err) |
| 98 | } |
| 99 | s := New(path) |
| 100 | defer s.Close() |
| 101 | if _, err = s.Get(t.Context(), "composer", "one"); !errors.Is(err, ErrFutureVersion) { |
| 102 | t.Fatal(err) |
| 103 | } |
| 104 | after, err := os.ReadFile(path) |
| 105 | if err != nil || !bytes.Equal(before, after) { |
| 106 | t.Fatal("future database changed", err) |
| 107 | } |
| 108 | } |
| 109 |