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271 lines
8.2 KiB
271 lines
8.2 KiB
// The shared vectors of testdata/ that the formats read, as vectors.test.ts
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// of datekeys-ts: dk1.json, quicknet_rounds.json, profile_quicknet.json,
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// padding.json and the schemas block of cbor.json, each object through the
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// decoder of its schema and written back to the same bytes.
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@TestOn('vm')
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library;
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import 'dart:convert';
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import 'dart:io';
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import 'package:datekeys/src/accesskey.dart';
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import 'package:datekeys/src/bytes.dart';
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import 'package:datekeys/src/control.dart';
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import 'package:datekeys/src/datekey.dart';
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import 'package:datekeys/src/errors.dart';
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import 'package:datekeys/src/framing.dart';
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import 'package:datekeys/src/header.dart';
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import 'package:datekeys/src/padding.dart';
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import 'package:datekeys/src/profile.dart';
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import 'package:datekeys/src/version.dart';
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import 'package:test/test.dart';
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typedef Json = Map<String, Object?>;
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Json readJson(String path) => jsonDecode(File(path).readAsStringSync()) as Json;
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List<Json> section(Json file, String name) =>
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(file[name]! as List).cast<Json>();
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/// The code of the [DateKeysException] that [body] throws, or `ok`.
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String resultOf(void Function() body) {
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try {
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body();
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return 'ok';
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} on DateKeysException catch (e) {
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return e.code.code;
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}
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}
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void main() {
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group('testdata/vectors/dk1.json', () {
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final file = readJson('testdata/vectors/dk1.json');
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final vectors = section(file, 'vectors');
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test('is of this specification and holds valid and invalid strings', () {
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expect(file['spec'], specVersion);
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expect(vectors.where((v) => v.containsKey('dk1')), isNotEmpty);
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expect(vectors.where((v) => v.containsKey('input')), isNotEmpty);
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});
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for (final v in vectors) {
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test(v['name'], () {
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if (v.containsKey('input')) {
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expect(
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resultOf(() => parseDateKey(v['input']! as String)),
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v['error'],
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);
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return;
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}
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final d = parseDateKey(v['dk1']! as String);
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expect([d.profileId, d.round], [v['network'], v['round']]);
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expect(canonicalJson(d), v['canonical_json']);
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expect(compactDateKey(d), v['dk1']);
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expect(compactDateKey(d), 'dk1_${v['base64url']}');
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});
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}
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});
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group('testdata/vectors/quicknet_rounds.json', () {
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final file = readJson('testdata/vectors/quicknet_rounds.json');
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final p = quicknet();
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test('is for the pinned Quicknet profile', () {
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expect(file['profile'], quicknetId);
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expect(section(file, 'vectors'), isNotEmpty);
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});
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for (final v in section(file, 'vectors')) {
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test(v['name'], () {
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final at = parseRfc3339(v['requested']! as String);
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if (v.containsKey('error')) {
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expect(resultOf(() => resolveDateKey(p, at)), v['error']);
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return;
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}
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final d = resolveDateKey(p, at);
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expect(d.round, v['round']);
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expect(formatRfc3339Nano(unlockAt(d, p)!), v['effective']);
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expect(resolveRfc3339(p, v['requested']! as String), d);
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});
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}
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});
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test('testdata/vectors/profile_quicknet.json', () {
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final v = readJson('testdata/vectors/profile_quicknet.json');
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final p = quicknet();
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expect(
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[
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p.id,
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p.provider,
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p.network,
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toHex(p.chainHash),
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toHex(p.publicKey),
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p.period,
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p.genesisTime,
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toHex(p.genesisSeed),
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p.scheme,
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],
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[
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v['profile_id'],
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v['provider'],
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v['network'],
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v['chain_hash'],
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v['public_key'],
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v['period_seconds'],
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v['genesis_time'],
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v['genesis_seed'],
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v['scheme'],
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],
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);
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expect(toHex(canonicalCbor(p)), v['canonical_cbor']);
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expect(toHex(profileHash(p)), v['profile_hash']);
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expect(decodeProfile(fromHex(v['canonical_cbor']! as String)), p);
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expect(
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[quicknetCanonicalCbor, quicknetProfileHash],
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[v['canonical_cbor'], v['profile_hash']],
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);
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});
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group('testdata/vectors/padding.json', () {
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final file = readJson('testdata/vectors/padding.json');
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final vectors = section(file, 'vectors');
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test('names L_MAX and covers the boundaries of spec §29.1', () {
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expect(file['l_max'], maxPayloadLength);
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final ls = vectors.map((v) => v['l']).toList();
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for (final l in [
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0,
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256,
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257,
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2113929216,
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2113929217,
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4227858432,
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4227858433,
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4294967295,
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4294967297,
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562949953421311,
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maxPayloadLength,
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]) {
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expect(ls, contains(l));
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}
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expect(file['rejected'], contains(maxPayloadLength + 1));
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});
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for (final v in vectors) {
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test('L = ${v['l']}', () {
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final l = v['l']! as int;
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final b = paddedLength(l, PaddingRule.bloque256);
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final r = paddedLength(l, PaddingRule.reforzado);
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expect(
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[b, r, payloadAgeLength(b), payloadAgeLength(r)],
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[
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v['bloque256'],
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v['reforzado'],
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v['payload_age_bloque256'],
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v['payload_age_reforzado'],
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],
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);
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if (l > 256) {
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final (:e, :s, :lastBits) = padmeParameters(l);
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expect([e, s, lastBits], [v['e'], v['s'], v['last_bits']]);
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} else {
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expect(v.containsKey('e'), isFalse);
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}
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});
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}
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test('rejects the lengths above L_MAX', () {
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for (final l in (file['rejected']! as List).cast<int>()) {
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for (final rule in PaddingRule.values) {
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expect(
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() => paddedLength(l, rule),
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throwsA(
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isA<ArgumentError>().having(
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(e) => e.message,
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'message',
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'capsule: content of $l bytes exceeds L_MAX = '
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'$maxPayloadLength',
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),
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),
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);
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}
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}
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});
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});
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group('testdata/vectors/cbor.json: the schemas', () {
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final file = readJson('testdata/vectors/cbor.json');
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final schemas = section(file, 'schemas');
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// The decoder of each schema, for the capsule format of the vector; it
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// returns the writer of the object it decoded.
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final decoders = <String, Object Function() Function(List<int>, int)>{
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'provider_profile': (b, _) {
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final p = decodeProfile(b);
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return () => canonicalCbor(p);
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},
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'public_header': (b, _) {
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final h = decodeHeader(b);
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return () => encodeHeader(h);
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},
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'control_cbor': (b, format) {
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final f = CapsuleFormat.fromVersion(format)!;
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final c = decodeControl(b, f);
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return () => encodeControl(c, f);
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},
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'dkk_body': (b, _) {
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final k = decodeAccessKeyBody(b);
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return () => marshalAccessKeyBody(k);
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},
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};
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const blocks = {
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'provider_profile': 'provider_profile',
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'public_header': 'public_header',
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'control_cbor': 'control_cbor',
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'dkk_body': 'dkk_body',
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'verification_metadata': 'dkk_body',
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'extension': 'public_header',
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};
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test('has every block, with CONTROL_CBOR in the three formats', () {
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for (final block in blocks.keys) {
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expect(
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schemas.where((v) => v['block'] == block).length,
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greaterThanOrEqualTo(5),
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reason: block,
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);
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}
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for (final v in schemas) {
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expect(blocks[v['block']], v['schema'], reason: '${v['name']}');
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expect(
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v.containsKey('format'),
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v['schema'] == 'control_cbor' &&
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(v['name']! as String).startsWith('format '),
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reason: '${v['name']}',
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);
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}
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final controls = schemas.where((v) => v['schema'] == 'control_cbor');
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for (final f in [2, 3]) {
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expect(
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controls.where((v) => v['format'] == f).length,
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greaterThanOrEqualTo(5),
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);
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}
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});
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for (final v in schemas) {
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test('${v['block']} (${v['schema']}): ${v['name']}', () {
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final input = fromHex(v['hex']! as String);
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Object Function()? write;
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final result = resultOf(() {
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write = decoders[v['schema']]!(input, (v['format'] as int?) ?? 1);
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});
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expect(result, v['result']);
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// An accepted object is written back to the same bytes.
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if (write != null) {
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expect(toHex(write!() as List<int>), v['hex']);
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}
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});
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}
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});
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}
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