| 1 | package hostbox |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "database/sql" |
| 6 | "errors" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | "testing" |
| 10 | |
| 11 | "github.com/carlosframework/platform/internal/genselect" |
| 12 | ) |
| 13 | |
| 14 | func TestColdRestoreEnrollmentPrecedesEveryMutation(t *testing.T) { |
| 15 | for _, empty := range []bool{false, true} { |
| 16 | for _, refuse := range []string{"", "legacy", "enroll"} { |
| 17 | t.Run(map[bool]string{false: "baseline", true: "empty"}[empty]+"/"+refuse, func(t *testing.T) { |
| 18 | db := filepath.Join(t.TempDir(), "legacy.db") |
| 19 | legacy := []byte("legacy database") |
| 20 | if err := os.WriteFile(db, legacy, 0600); err != nil { |
| 21 | t.Fatal(err) |
| 22 | } |
| 23 | work := &restoreWork{} |
| 24 | key, body, crc := snapshotFixture(t, "production-restore") |
| 25 | rd := &restoreReader{data: map[string][]byte{key + "@v1": body}} |
| 26 | plan := &genselect.Plan{Generation: "baseline", MaxTXID: 1, Pin: &genselect.Pin{SnapshotCRC64: crc}, Files: []genselect.File{{Key: key, VersionID: "v1", Level: 9, MinTXID: 1, MaxTXID: 1, Size: int64(len(body))}}} |
| 27 | var calls []string |
| 28 | failure := errors.New("injected enrollment refusal") |
| 29 | r := ColdRestore{Reader: rd, Bucket: "bucket", Generation: "new", Work: work, |
| 30 | BeforeLegacyInstall: func(_ context.Context, path, generation string) error { |
| 31 | if work.active || path != db || generation != "new" { |
| 32 | t.Fatal("legacy callback boundary") |
| 33 | } |
| 34 | calls = append(calls, "legacy") |
| 35 | if refuse == "legacy" { |
| 36 | return failure |
| 37 | } |
| 38 | if string(mustRead(t, db)) != string(legacy) { |
| 39 | t.Fatal("legacy source changed before parking") |
| 40 | } |
| 41 | // Explicit parking seam; root identity/retention belongs to the host tests. |
| 42 | return os.Rename(db, db+".parked") |
| 43 | }, |
| 44 | BeforeInstallLocked: func(_ context.Context, path, generation string) error { |
| 45 | if !work.active || path != db || generation != "new" { |
| 46 | t.Fatal("enrollment callback boundary") |
| 47 | } |
| 48 | calls = append(calls, "enroll") |
| 49 | if _, err := os.Stat(db); !errors.Is(err, os.ErrNotExist) { |
| 50 | t.Fatal("database appeared before enrollment") |
| 51 | } |
| 52 | if _, err := os.Stat(db + ".gen"); !errors.Is(err, os.ErrNotExist) { |
| 53 | t.Fatal("marker appeared before enrollment") |
| 54 | } |
| 55 | if refuse == "enroll" { |
| 56 | return failure |
| 57 | } |
| 58 | return nil |
| 59 | }} |
| 60 | var err error |
| 61 | if empty { |
| 62 | err = r.InstallEmpty(t.Context(), db, func(context.Context) error { return nil }) |
| 63 | } else { |
| 64 | err = r.Install(t.Context(), db, plan) |
| 65 | } |
| 66 | if refuse != "" { |
| 67 | if !errors.Is(err, failure) { |
| 68 | t.Fatalf("refusal: %v", err) |
| 69 | } |
| 70 | if _, err := os.Stat(db + ".gen"); !errors.Is(err, os.ErrNotExist) { |
| 71 | t.Fatal("refused enrollment wrote marker") |
| 72 | } |
| 73 | if refuse == "legacy" { |
| 74 | if string(mustRead(t, db)) != string(legacy) { |
| 75 | t.Fatal("refusal destroyed legacy database") |
| 76 | } |
| 77 | } else if string(mustRead(t, db+".parked")) != string(legacy) { |
| 78 | t.Fatal("refusal destroyed park") |
| 79 | } |
| 80 | return |
| 81 | } |
| 82 | if err != nil { |
| 83 | t.Fatal(err) |
| 84 | } |
| 85 | if len(calls) != 2 || calls[0] != "legacy" || calls[1] != "enroll" { |
| 86 | t.Fatalf("callbacks %v", calls) |
| 87 | } |
| 88 | if string(mustRead(t, db+".gen")) != "new\n" { |
| 89 | t.Fatal("missing successor marker") |
| 90 | } |
| 91 | if empty { |
| 92 | if _, err := os.Stat(db); !errors.Is(err, os.ErrNotExist) { |
| 93 | t.Fatal("empty restore wrote a database") |
| 94 | } |
| 95 | return |
| 96 | } |
| 97 | check, err := sql.Open("sqlite", db) |
| 98 | if err != nil { |
| 99 | t.Fatal(err) |
| 100 | } |
| 101 | defer check.Close() |
| 102 | var value string |
| 103 | if err := check.QueryRow("SELECT value FROM fixture").Scan(&value); err != nil || value != "production-restore" { |
| 104 | t.Fatalf("restored %q: %v", value, err) |
| 105 | } |
| 106 | }) |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
amadan