92 lines
3.8 KiB
Dart
92 lines
3.8 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter_test/flutter_test.dart';
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import '../../scripts/generate_hid_key_labels.dart';
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void main() {
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late String validSource;
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setUpAll(() async {
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validSource = await File(defaultHidKeyLabelsInput).readAsString();
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});
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test('parse and render are deterministic and reproduce the checked-in artifact', () async {
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final first = renderHidKeyLabels(parseHidKeyLabelsCatalog(validSource));
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final second = renderHidKeyLabels(parseHidKeyLabelsCatalog(validSource));
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expect(second, first);
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expect(first, await File(defaultHidKeyLabelsOutput).readAsString());
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});
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test('rejects invalid schema, empty groups, group names, keys, labels, and IDs', () {
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_expectInvalid(validSource, (catalog) => catalog['schemaVersion'] = 2);
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_expectInvalid(validSource, (catalog) => catalog['groups'] = <Object?>[]);
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_expectInvalid(validSource, (catalog) => _group(catalog, 0)['name'] = ' ');
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_expectInvalid(validSource, (catalog) => _group(catalog, 0)['keys'] = <Object?>[]);
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_expectInvalid(validSource, (catalog) => _key(catalog, 0, 0)['label'] = '');
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_expectInvalid(validSource, (catalog) => _key(catalog, 0, 0)['id'] = '0000001');
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_expectInvalid(validSource, (catalog) => _key(catalog, 0, 0)['id'] = '0000001A');
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});
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test('rejects globally duplicate or noncanonical numeric IDs', () {
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_expectInvalid(validSource, (catalog) => _key(catalog, 0, 1)['id'] = _key(catalog, 0, 0)['id']);
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_expectInvalid(validSource, (catalog) => _key(catalog, 0, 1)['id'] = '0000000f');
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_expectInvalid(validSource, (catalog) => _key(catalog, 1, 0)['id'] = '0000000f');
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});
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test('escapes controls in labels that require double-quoted Dart literals', () {
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const catalog = HidKeyCatalog(
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groups: [
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HidKeyGroup(
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name: 'Test',
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keys: [HidKeyLabel(id: '00000001', label: "Player's\nKey")],
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),
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],
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);
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expect(renderHidKeyLabels(catalog), contains("\"Player's\\nKey\""));
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});
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test('invalid input fails before the existing output is replaced', () async {
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final directory = await Directory.systemTemp.createTemp('plezy_hid_generator_test.');
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addTearDown(() => directory.delete(recursive: true));
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final input = File('${directory.path}/invalid.json');
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final output = File('${directory.path}/output.dart');
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await input.writeAsString('{"schemaVersion":1,"groups":[]}');
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await output.writeAsString('sentinel');
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await expectLater(generateHidKeyLabels(input.path, output.path), throwsA(isA<FormatException>()));
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expect(await output.readAsString(), 'sentinel');
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});
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test('atomic writer replaces the complete destination', () async {
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final directory = await Directory.systemTemp.createTemp('plezy_hid_atomic_test.');
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addTearDown(() => directory.delete(recursive: true));
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final output = File('${directory.path}/output.dart');
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await output.writeAsString('old');
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await writeFileAtomically(output.path, 'new bytes\n');
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expect(await output.readAsString(), 'new bytes\n');
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expect(directory.listSync().where((entry) => entry.path.contains('.tmp.')), isEmpty);
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});
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}
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void _expectInvalid(String source, void Function(Map<String, Object?> catalog) mutate) {
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final catalog = (jsonDecode(source) as Map).cast<String, Object?>();
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mutate(catalog);
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expect(() => parseHidKeyLabelsCatalog(jsonEncode(catalog)), throwsA(isA<FormatException>()));
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}
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Map<String, Object?> _group(Map<String, Object?> catalog, int index) {
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final groups = catalog['groups']! as List<Object?>;
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return (groups[index]! as Map).cast<String, Object?>();
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}
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Map<String, Object?> _key(Map<String, Object?> catalog, int groupIndex, int keyIndex) {
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final keys = _group(catalog, groupIndex)['keys']! as List<Object?>;
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return (keys[keyIndex]! as Map).cast<String, Object?>();
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}
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