Files
plezy/test/scripts/generate_hid_key_labels_test.dart
T

92 lines
3.8 KiB
Dart

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