211 lines
7.6 KiB
Dart
211 lines
7.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:qr_flutter/qr_flutter.dart';
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import 'package:miler/views/Dashboard/pickups/collect_payment.dart';
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/// The payment screen is the only place in the app where money changes hands,
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/// and it is read by two people at once — the rider holding the phone and the
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/// customer being asked to pay. So the things worth testing are the things
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/// either of them would dispute afterwards:
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///
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/// • the amount comes from the booking and nowhere else;
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/// • the page says which consignment is being paid for;
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/// • the QR is on the page, carrying that amount, not in a dialog;
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/// • a short payment cannot be recorded without a figure and a reason.
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void main() {
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Future<void> pump(
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WidgetTester tester,
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Map<String, dynamic> stop, {
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Map<String, dynamic> verification = const {},
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String? initialMethod,
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double textScale = 1.0,
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}) async {
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tester.view.physicalSize = const Size(390 * 3, 844 * 3);
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tester.view.devicePixelRatio = 3.0;
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addTearDown(tester.view.resetPhysicalSize);
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addTearDown(tester.view.resetDevicePixelRatio);
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await tester.pumpWidget(
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ScreenUtilInit(
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designSize: const Size(390, 844),
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builder: (_, _) => MaterialApp(
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builder: (context, child) => MediaQuery(
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data: MediaQuery.of(context)
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.copyWith(textScaler: TextScaler.linear(textScale)),
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child: child!,
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),
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home: CollectPaymentPage(
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pickup: stop,
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verificationData: verification,
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initialMethod: initialMethod,
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),
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),
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),
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);
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// Not pumpAndSettle: the slide-to-confirm control animates its hint
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// forever, so a settle never comes. Two frames is enough for this page,
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// which has no entrance animation of its own.
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 400));
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}
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Map<String, dynamic> stopOf({double due = 450, double pickupAmt = 0}) =>
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<String, dynamic>{
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'orderid': 'DM-99120',
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'type': 'pickup',
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'pickupqty': '3',
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'Quantity': '3',
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'pickupcustomer': 'Priya Sharma',
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'tenantname': 'Chettinad Textiles',
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'pickupaddress': '12/3B, Second Cross Street, Ram Nagar, Coimbatore',
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'collectionamt': '$due',
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if (pickupAmt > 0) 'pickupamt': '$pickupAmt',
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};
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testWidgets('the amount is the booking\'s, and it names who owes it',
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(tester) async {
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await pump(tester, stopOf(due: 450));
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expect(find.text('₹450'), findsOneWidget);
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expect(find.text('from Priya Sharma'), findsOneWidget);
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});
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testWidgets('the page says what the money is for', (tester) async {
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await pump(
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tester,
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stopOf(),
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verification: {
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'weight': '4.5',
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'pickup': {'collected': 3},
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},
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);
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// The consignment, the shipper it belongs to, and what was actually taken —
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// this is the half of the screen a customer paying at his own door needs
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// before he will trust the number above it.
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expect(find.text('What this pays for'), findsOneWidget);
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expect(find.text('DM-99120'), findsOneWidget);
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expect(find.text('Chettinad Textiles'), findsOneWidget);
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expect(find.text('3 collected'), findsOneWidget);
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expect(find.text('4.5 kg'), findsOneWidget);
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});
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testWidgets('cash is the default, and it shows no QR', (tester) async {
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await pump(tester, stopOf());
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expect(find.byType(QrImageView), findsNothing);
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expect(
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find.textContaining('Slide — took ₹450 by Cash'),
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findsOneWidget,
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);
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});
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testWidgets('choosing UPI puts the QR on the page, not behind a dialog',
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(tester) async {
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await pump(tester, stopOf(due: 450));
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expect(find.byType(QrImageView), findsNothing);
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await tester.tap(find.text('UPI / QR'));
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await tester.pump(const Duration(milliseconds: 300));
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// On the page, next to the consignment it is settling — no dialog, and
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// nothing hidden behind a further confirm.
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expect(find.byType(QrImageView), findsOneWidget);
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expect(find.text('₹450 to miler@upi'), findsOneWidget);
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});
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group('the UPI intent', () {
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test('carries the amount, the payee and the consignment', () {
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final uri = buildUpiUri(
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payeeVpa: 'shop@okhdfcbank',
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payeeName: 'Chettinad Textiles',
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orderId: 'DM-99120',
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amount: 450,
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);
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// The amount is baked in, so the customer cannot pay the wrong figure by
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// mistyping it; the note makes the payment identifiable in his own
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// statement weeks later.
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expect(uri, contains('pa=shop%40okhdfcbank'));
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expect(uri, contains('am=450.00'));
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expect(uri, contains('cu=INR'));
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expect(uri, contains(Uri.encodeComponent('Miler pickup DM-99120')));
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});
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test('escapes a payee name that would otherwise break the intent', () {
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final uri = buildUpiUri(
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payeeVpa: 'shop@upi',
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payeeName: 'Ram & Co · Traders',
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orderId: '',
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amount: 99.5,
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);
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expect(uri, isNot(contains('&pn=Ram & Co')));
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expect(uri, contains('am=99.50'));
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expect(uri, contains(Uri.encodeComponent('Miler pickup')));
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});
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});
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testWidgets('the caller can open straight onto UPI', (tester) async {
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// The Bookings sheet already asked which method; asking again on arrival
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// would be the extra tap this page exists to remove.
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await pump(tester, stopOf(), initialMethod: 'upi (₹450)');
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expect(find.byType(QrImageView), findsOneWidget);
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});
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testWidgets('a short payment needs a figure and a reason', (tester) async {
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await pump(tester, stopOf(due: 450));
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await tester.ensureVisible(find.text('Paid less'));
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await tester.pump();
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await tester.tap(find.text('Paid less'));
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await tester.pump(const Duration(milliseconds: 300));
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expect(find.text('Enter how much you actually took'), findsOneWidget);
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await tester.enterText(find.byType(TextField).first, '400');
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await tester.pump(const Duration(milliseconds: 300));
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expect(find.text('Say why the customer paid less'), findsOneWidget);
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await tester.enterText(find.byType(TextField).last, 'No change');
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await tester.pump(const Duration(milliseconds: 300));
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expect(find.text('₹50 still owed on this consignment'), findsOneWidget);
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});
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testWidgets('a separate pickup charge is listed, never added up',
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(tester) async {
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// The office sets what is due. The page explains it; it does not do
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// arithmetic the office has not sanctioned.
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await pump(tester, stopOf(due: 450, pickupAmt: 60));
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expect(find.text('Pickup charge'), findsOneWidget);
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expect(find.text('₹60'), findsOneWidget);
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expect(find.text('Due now'), findsOneWidget);
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expect(find.text('₹510'), findsNothing);
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});
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testWidgets('a prepaid stop is not a payment screen at all', (tester) async {
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await pump(tester, <String, dynamic>{
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'orderid': 'DM-1',
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'pickupcustomer': 'Priya Sharma',
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});
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expect(find.text('Nothing to collect here'), findsOneWidget);
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expect(find.byType(QrImageView), findsNothing);
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});
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for (final scale in const [1.0, 1.5, 2.0]) {
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testWidgets('lays out at ${scale}x text scale', (tester) async {
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await pump(tester, stopOf(due: 1250, pickupAmt: 60), textScale: scale);
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expect(tester.takeException(), isNull);
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await tester.ensureVisible(find.text('UPI / QR'));
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await tester.pump();
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await tester.tap(find.text('UPI / QR'));
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await tester.pump(const Duration(milliseconds: 300));
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expect(tester.takeException(), isNull);
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});
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}
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}
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