80 lines
2.9 KiB
Dart
80 lines
2.9 KiB
Dart
import 'package:flutter_test/flutter_test.dart';
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import 'package:plezy/mpv/player/mpv_node_decoder.dart';
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void main() {
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const nestedList = [
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{
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'type': 'audio',
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'metadata': {
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'values': [true, 2, 3.5, null],
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},
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},
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];
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const nestedMap = {
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'cache-end': 12.5,
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'seekable-ranges': [
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{'start': 1, 'end': 9.25},
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],
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};
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final cases = <({String name, Object? input, Object? list, Object? map})>[
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(name: 'nested structured list', input: nestedList, list: nestedList, map: null),
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(name: 'nested structured map', input: nestedMap, list: null, map: nestedMap),
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(
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name: 'valid list JSON',
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input: '[{"type":"audio","metadata":{"values":[true,2,3.5,null]}}]',
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list: nestedList,
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map: null,
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),
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(
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name: 'valid map JSON',
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input: '{"cache-end":12.5,"seekable-ranges":[{"start":1,"end":9.25}]}',
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list: null,
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map: nestedMap,
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),
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(name: 'malformed JSON', input: '{not-json', list: null, map: null),
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(name: 'JSON scalar', input: '42', list: null, map: null),
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(name: 'structured scalar', input: 42, list: null, map: null),
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(name: 'empty string', input: '', list: null, map: null),
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(name: 'null', input: null, list: null, map: null),
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(name: 'JSON null', input: 'null', list: null, map: null),
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(name: 'empty structured list', input: const [], list: const [], map: null),
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(name: 'empty structured map', input: const {}, list: null, map: const {}),
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(name: 'empty JSON list', input: '[]', list: const [], map: null),
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(name: 'empty JSON map', input: '{}', list: null, map: const {}),
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];
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for (final testCase in cases) {
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test(testCase.name, () {
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expect(MpvNodeDecoder.decodeList(testCase.input), testCase.list);
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expect(MpvNodeDecoder.decodeMap(testCase.input), testCase.map);
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});
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}
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test('rejects hostile structured payloads before traversal', () {
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Object? acceptedDepth = 'leaf';
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for (var i = 0; i < 31; i++) {
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acceptedDepth = [acceptedDepth];
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}
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expect(MpvNodeDecoder.decodeList(acceptedDepth), isNotNull);
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Object? excessiveDepth = acceptedDepth;
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excessiveDepth = [excessiveDepth];
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expect(MpvNodeDecoder.decodeList(excessiveDepth), isNull);
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expect(MpvNodeDecoder.decodeList(List<Object?>.filled(16384, null)), isNull);
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expect(MpvNodeDecoder.decodeList([double.nan]), isNull);
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expect(MpvNodeDecoder.decodeMap({1: 'non-string key'}), isNull);
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});
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test('preflights deeply nested and oversized JSON', () {
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final deepestAccepted = '${List.filled(31, '[').join()}null${List.filled(31, ']').join()}';
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final tooDeep = '[$deepestAccepted]';
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expect(MpvNodeDecoder.decodeList(deepestAccepted), isNotNull);
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expect(MpvNodeDecoder.decodeList(tooDeep), isNull);
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final tooManyEntries = '[${List.filled(16385, 'null').join(',')}]';
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expect(MpvNodeDecoder.decodeList(tooManyEntries), isNull);
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expect(MpvNodeDecoder.decodeList('["brackets [ and braces { stay quoted"]'), isNotNull);
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});
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}
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