99 lines
3.9 KiB
Dart
99 lines
3.9 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_iso_639_data.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(defaultIso639Input).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 = renderIso639Data(parseIso639Catalog(validSource));
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final second = renderIso639Data(parseIso639Catalog(validSource));
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expect(second, first);
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expect(first, await File(defaultIso639Output).readAsString());
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});
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test('rejects invalid schema, keys, primary consistency, names, and field shapes', () {
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_expectInvalid(validSource, (catalog) => catalog['schemaVersion'] = 2);
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_expectInvalid(validSource, (catalog) => catalog['languages'] = <String, Object?>{});
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_expectInvalid(validSource, (catalog) => _entry(catalog, 'aa')['primary'] = 'ab');
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_expectInvalid(validSource, (catalog) => _entry(catalog, 'aa')['terminology'] = 'AAR');
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_expectInvalid(validSource, (catalog) => _entry(catalog, 'bo')['bibliographic'] = 'TIB');
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_expectInvalid(validSource, (catalog) => _entry(catalog, 'aa')['name'] = ' ');
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_expectInvalid(validSource, (catalog) {
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final languages = _languages(catalog);
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languages['a'] = languages.remove('aa');
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});
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});
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test('rejects duplicate aliases and noncanonical primary ordering', () {
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_expectInvalid(
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validSource,
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(catalog) => _entry(catalog, 'ab')['terminology'] = _entry(catalog, 'aa')['terminology'],
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);
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_expectInvalid(
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validSource,
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(catalog) => _entry(catalog, 'bo')['bibliographic'] = _entry(catalog, 'aa')['terminology'],
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);
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_expectInvalid(validSource, (catalog) {
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final languages = _languages(catalog);
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final first = languages.remove('aa');
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languages['aa'] = first;
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});
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});
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test('escapes controls in names that require double-quoted Dart literals', () {
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const catalog = Iso639Catalog(
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entries: [Iso639CatalogEntry(primary: 'aa', terminology: 'aaa', bibliographic: null, name: "People's\nLanguage")],
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);
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expect(renderIso639Data(catalog), contains("\"People's\\nLanguage\""));
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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_iso_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,"languages":{}}');
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await output.writeAsString('sentinel');
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await expectLater(generateIso639Data(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_iso_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(() => parseIso639Catalog(jsonEncode(catalog)), throwsA(isA<FormatException>()));
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}
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Map<String, Object?> _languages(Map<String, Object?> catalog) {
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return (catalog['languages']! as Map).cast<String, Object?>();
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}
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Map<String, Object?> _entry(Map<String, Object?> catalog, String code) {
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return (_languages(catalog)[code]! as Map).cast<String, Object?>();
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}
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