64 lines
2 KiB
Dart
64 lines
2 KiB
Dart
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import 'package:flutter_test/flutter_test.dart';
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import 'package:halkyon_app/halkyon_app.dart';
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// A limit as the operator types it into the grant's sheet (Halkyon Learn's
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// ADR 0021, D38): money in millionths, tokens whole.
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void main() {
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const money = AssistantLimitUnit.money;
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const tokens = AssistantLimitUnit.tokens;
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test('reads money as millionths, with a point or a comma', () {
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expect(limitFromText('5', money), 5000000);
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expect(limitFromText('2.50', money), 2500000);
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expect(limitFromText('2,5', money), 2500000);
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expect(limitFromText('0.000001', money), 1);
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expect(limitFromText(' 1 000.25 ', money), 1000250000);
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});
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test('reads tokens whole, grouped by thousands or not', () {
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expect(limitFromText('1000000', tokens), 1000000);
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expect(limitFromText('1,000,000', tokens), 1000000);
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expect(limitFromText('1.000.000', tokens), 1000000);
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expect(limitFromText('1_000_000', tokens), 1000000);
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expect(limitFromText('250', tokens), 250);
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});
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test('reads nothing typed as no limit', () {
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expect(limitFromText('', money), isNull);
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expect(limitFromText(' ', tokens), isNull);
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});
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test("refuses what isn't an amount", () {
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for (final (text, unit) in [
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('-1', money),
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('1.5.0', money),
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('0.0000001', money),
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('five', money),
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('1e6', money),
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('1234567890123', money),
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('1.5', tokens),
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('1,00', tokens),
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('1,000.000', tokens),
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('-5', tokens),
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('1234567890123', tokens),
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]) {
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expect(
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() => limitFromText(text, unit),
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throwsFormatException,
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reason: '$text in ${unit.name}',
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);
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}
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});
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test('writes a limit as it is read back', () {
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expect(limitText(null, money), '');
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expect(limitText(5000000, money), '5');
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expect(limitText(2500000, money), '2.5');
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expect(limitText(1, money), '0.000001');
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expect(limitText(1000000, tokens), '1000000');
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for (final micros in [0, 1, 990000, 12345678]) {
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expect(limitFromText(limitText(micros, money), money), micros);
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}
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});
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}
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