47 lines
1.6 KiB
Dart
47 lines
1.6 KiB
Dart
 
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import 'package:cookit/src/recipes/amount.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:intl/date_symbol_data_local.dart';
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void main() {
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setUpAll(() => initializeDateFormatting('de'));
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group('parseAmount', () {
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final cases = <String, Amount?>{
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'': (amount: null, amountMax: null),
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'2': (amount: 2, amountMax: null),
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'1,5': (amount: 1.5, amountMax: null),
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'0.25': (amount: 0.25, amountMax: null),
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'½': (amount: 0.5, amountMax: null),
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'1½': (amount: 1.5, amountMax: null),
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'1/2': (amount: 0.5, amountMax: null),
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'1 1/2': (amount: 1.5, amountMax: null),
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'2-3': (amount: 2, amountMax: 3),
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'10 – 12': (amount: 10, amountMax: 12),
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'1 bis 2': (amount: 1, amountMax: 2),
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'etwas': null,
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'2-': null,
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};
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cases.forEach((input, expected) {
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test('"$input"', () => expect(parseAmount(input), expected));
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});
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});
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group('formatAmount', () {
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test('uses fraction glyphs and German decimals', () {
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expect(formatAmount(1.5, null), '1½');
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expect(formatAmount(0.25, null), '¼');
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expect(formatAmount(0.333, null), '⅓');
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expect(formatAmount(2, null), '2');
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expect(formatAmount(1.4, null), '1,4');
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expect(formatAmount(1000, null), '1.000');
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expect(formatAmount(2, 3), '2–3');
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expect(formatAmount(null, null), '');
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});
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test('round-trips through parseAmount', () {
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for (final value in [0.5, 1.5, 2.0, 1.4, 250.0]) {
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expect(parseAmount(formatAmount(value, null))!.amount, closeTo(value, 0.001));
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}
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});
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});
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}
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