| 1 | package dbreads |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "errors" |
| 6 | "testing" |
| 7 | "time" |
| 8 | ) |
| 9 | |
| 10 | const sealID = "dbr_aaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 11 | |
| 12 | func TestChunkSealRoundTripsAndBindsEverything(t *testing.T) { |
| 13 | t.Parallel() |
| 14 | priv, err := NewReplyKey() |
| 15 | if err != nil { |
| 16 | t.Fatal(err) |
| 17 | } |
| 18 | plain := bytes.Repeat([]byte("row\n"), 1000) |
| 19 | sealed, err := SealChunk(priv.PublicKey(), sealID, 3, StreamRows, false, plain) |
| 20 | if err != nil { |
| 21 | t.Fatal(err) |
| 22 | } |
| 23 | if len(sealed)-len(plain) >= 100 || len(sealed)-len(plain) != SealOverhead { |
| 24 | t.Fatalf("overhead %d, spec §5.7 says under 100 bytes", len(sealed)-len(plain)) |
| 25 | } |
| 26 | got, err := OpenChunk(priv, sealID, 3, StreamRows, false, sealed) |
| 27 | if err != nil || !bytes.Equal(got, plain) { |
| 28 | t.Fatalf("OpenChunk = %v", err) |
| 29 | } |
| 30 | other, _ := NewReplyKey() |
| 31 | for name, open := range map[string]func() ([]byte, error){ |
| 32 | "moved to another read": func() ([]byte, error) { |
| 33 | return OpenChunk(priv, "dbr_bbbbbbbbbbbbbbbbbbbbbbbbbb", 3, StreamRows, false, sealed) |
| 34 | }, |
| 35 | "reordered": func() ([]byte, error) { return OpenChunk(priv, sealID, 4, StreamRows, false, sealed) }, |
| 36 | "relabelled as last": func() ([]byte, error) { return OpenChunk(priv, sealID, 3, StreamRows, true, sealed) }, |
| 37 | "another stream": func() ([]byte, error) { return OpenChunk(priv, sealID, 3, StreamLTX, false, sealed) }, |
| 38 | "another key": func() ([]byte, error) { return OpenChunk(other, sealID, 3, StreamRows, false, sealed) }, |
| 39 | "truncated": func() ([]byte, error) { return OpenChunk(priv, sealID, 3, StreamRows, false, sealed[:len(sealed)-1]) }, |
| 40 | } { |
| 41 | if _, err := open(); !errors.Is(err, ErrSeal) { |
| 42 | t.Errorf("%s: %v", name, err) |
| 43 | } |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | func TestSummarySealRoundTrips(t *testing.T) { |
| 48 | t.Parallel() |
| 49 | priv, _ := NewReplyKey() |
| 50 | want := Summary{TXID: 42, At: time.Date(2026, 10, 7, 14, 0, 0, 0, time.UTC), Bytes: 10, SHA256: "ab"} |
| 51 | sealed, err := SealSummary(priv.PublicKey(), sealID, want) |
| 52 | if err != nil { |
| 53 | t.Fatal(err) |
| 54 | } |
| 55 | got, err := OpenSummary(priv, sealID, sealed) |
| 56 | if err != nil || got.TXID != want.TXID || !got.At.Equal(want.At) || got.SHA256 != want.SHA256 { |
| 57 | t.Fatalf("OpenSummary = %+v, %v", got, err) |
| 58 | } |
| 59 | if _, err := OpenSummary(priv, "dbr_bbbbbbbbbbbbbbbbbbbbbbbbbb", sealed); !errors.Is(err, ErrSeal) { |
| 60 | t.Fatalf("a summary moved to another read opened: %v", err) |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | func TestReplyKeyRefusesWhatIsNotAnUncompressedPoint(t *testing.T) { |
| 65 | t.Parallel() |
| 66 | for _, bad := range []string{"", "AAAA", "!!!!"} { |
| 67 | if _, err := ParseReplyKey(bad); err == nil { |
| 68 | t.Errorf("ParseReplyKey(%q) accepted", bad) |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | func TestResultValidKnowsTheVocabulary(t *testing.T) { |
| 74 | t.Parallel() |
| 75 | ok := []Result{ |
| 76 | {State: StateDone, LastSeq: 1}, |
| 77 | {State: StateDone, Code: CodeOutputCap, LastSeq: 3}, |
| 78 | {State: StateFailed, Code: CodeSQLError}, |
| 79 | {State: StateRefused, Code: CodeRecordChanged}, |
| 80 | {State: StateCancelled}, |
| 81 | } |
| 82 | for _, r := range ok { |
| 83 | if err := r.Valid(); err != nil { |
| 84 | t.Errorf("%+v: %v", r, err) |
| 85 | } |
| 86 | } |
| 87 | bad := []Result{ |
| 88 | {State: StateDone, LastSeq: 0}, |
| 89 | {State: "maybe"}, |
| 90 | {State: StateFailed, Code: "nope"}, |
| 91 | {State: StateDone, LastSeq: -1}, |
| 92 | } |
| 93 | for _, r := range bad { |
| 94 | if err := r.Valid(); err == nil { |
| 95 | t.Errorf("%+v accepted", r) |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
amadan