vjrj
f1aa8f8e66
Closes the physical↔digital loop the labels opened: the QR on a printed envelope (tane://seed, already encoded by seed_label_codec) can now be scanned from the inventory bar. A known label opens its variety; an unknown one asks before adding anything, then creates the variety (species linked by exact scientific name when bundled) with a lot carrying the label's year and origin. Scanner is pure ZXing (zxing_barcode_scanner, MIT) — no ML Kit, no Play Services, F-Droid-safe, the stack Ğ1nkgo ships. Mobile-only; other platforms don't show the button (OCR precedent). The post-scan flow is a plain function (handleScannedPayload) so it's widget-tested without a camera.
133 lines
4 KiB
Dart
133 lines
4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:tane/data/export_import/seed_label_codec.dart';
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import 'package:tane/data/species_repository.dart';
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import 'package:tane/data/variety_repository.dart';
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import 'package:tane/db/database.dart';
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import 'package:tane/ui/qr_scan.dart';
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import '../support/test_support.dart';
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/// Hosts a button that feeds [payload] to [handleScannedPayload], standing in
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/// for the camera — the handler is what carries the flow's logic.
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class _ScanHost extends StatelessWidget {
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const _ScanHost({
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required this.repository,
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required this.species,
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required this.payload,
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required this.opened,
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});
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final VarietyRepository repository;
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final SpeciesRepository species;
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final String payload;
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final List<String> opened;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Center(
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child: ElevatedButton(
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key: const Key('scanHost.fire'),
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onPressed: () => handleScannedPayload(
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context,
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repository: repository,
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species: species,
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payload: payload,
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openVariety: opened.add,
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),
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child: const Text('scan'),
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),
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),
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);
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}
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}
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void main() {
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late AppDatabase db;
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late VarietyRepository repo;
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late SpeciesRepository species;
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setUp(() {
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db = newTestDatabase();
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repo = newTestRepository(db);
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species = newTestSpeciesRepository(db);
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});
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tearDown(() => db.close());
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Future<List<String>> pumpAndFire(WidgetTester tester, String payload) async {
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final opened = <String>[];
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await tester.pumpWidget(
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wrapScreen(
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repository: repo,
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child: _ScanHost(
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repository: repo,
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species: species,
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payload: payload,
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opened: opened,
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),
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),
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);
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await tester.tap(find.byKey(const Key('scanHost.fire')));
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await tester.pumpAndSettle();
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return opened;
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}
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testWidgets('a known label opens its record straight away', (tester) async {
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final id = await repo.addQuickVariety(label: 'Tomate Rosa');
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final payload = SeedLabelCodec.encode(
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const SeedLabelData(varietyLabel: 'tomate rosa'),
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);
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final opened = await pumpAndFire(tester, payload);
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expect(opened, [id]);
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expect(find.byKey(const Key('scan.addPrompt')), findsNothing);
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await disposeTree(tester);
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});
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testWidgets('an unknown label asks first, then adds and opens it', (
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tester,
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) async {
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final payload = SeedLabelCodec.encode(
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const SeedLabelData(
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varietyLabel: 'Acelga de Perales',
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year: 2024,
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origin: 'María',
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),
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);
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final opened = await pumpAndFire(tester, payload);
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expect(find.byKey(const Key('scan.addPrompt')), findsOneWidget);
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expect(opened, isEmpty); // nothing created before the person says so
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expect(await db.select(db.varieties).get(), isEmpty);
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await tester.tap(find.byKey(const Key('scan.add')));
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await tester.pumpAndSettle();
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final varieties = await db.select(db.varieties).get();
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expect(varieties.single.label, 'Acelga de Perales');
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final lots = await db.select(db.lots).get();
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expect(lots.single.harvestYear, 2024);
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expect(lots.single.originName, 'María');
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expect(opened, [varieties.single.id]);
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await disposeTree(tester);
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});
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testWidgets('declining the prompt adds nothing', (tester) async {
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final payload = SeedLabelCodec.encode(
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const SeedLabelData(varietyLabel: 'Acelga de Perales'),
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);
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final opened = await pumpAndFire(tester, payload);
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await tester.tap(find.byKey(const Key('scan.cancel')));
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await tester.pumpAndSettle();
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expect(await db.select(db.varieties).get(), isEmpty);
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expect(opened, isEmpty);
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await disposeTree(tester);
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});
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testWidgets('a non-label QR just says so', (tester) async {
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final opened = await pumpAndFire(tester, 'https://example.org/whatever');
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expect(find.text('That code is not a seed label'), findsOneWidget);
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expect(opened, isEmpty);
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await disposeTree(tester);
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});
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}
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