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feat: Integration test #8

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feat: Integration test #8

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850e51c
chore: minor fixes
Sadhorsephile Feb 25, 2023
1ea4e40
feat: add integration test
Sadhorsephile Feb 25, 2023
13b176f
fix
Sadhorsephile Mar 23, 2023
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238 changes: 238 additions & 0 deletions integration_test/app_test.dart
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Original file line number Diff line number Diff line change
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import 'package:currency_exchange/core/data/network/models/currency.dart';
import 'package:currency_exchange/core/data/network/service/get_exchange_rates.dart';
import 'package:currency_exchange/main.dart' as app;
import 'package:currency_exchange/resources/dictionary.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';
import 'package:mocktail/mocktail.dart';

import 'mock.dart';

class GetExchangeRatesApiMock extends Mock implements GetExchangeRatesApi {}

// 12 eur - 13.03 usd
// 12 usd - 11.06 eur
// 12 rub - 0.16 usd

void main() async {
IntegrationTestWidgetsFlutterBinding.ensureInitialized();

final api = GetExchangeRatesApiMock();

setUp(() {
when(() => api('EUR')).thenAnswer(
(_) => Future.value(
CurrencyNetworkDto(
'EUR',
euroMock,
),
),
);
when(() => api('RUB')).thenAnswer(
(_) => Future.value(
CurrencyNetworkDto(
'RUB',
rubMock,
),
),
);
});

testWidgets(
'Ввод значения в первое поле - изменение во втором',
(tester) async {
await app.main([], api);
await tester.pumpAndSettle();

/// Ищем текстовые поля
final debitTF = find.byWidgetPredicate((w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenDebitHint);
final creditTF = find.byWidgetPredicate((w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenCreditHint);

/// И кнопки
final debitBtn = find.widgetWithText(ClipOval, '€');
final creditBtn = find.widgetWithText(ClipOval, r'$');

/// Убеждаемся, что они есть на экране
expect(debitTF, findsOneWidget);
expect(creditTF, findsOneWidget);
expect(debitBtn, findsOneWidget);
expect(creditBtn, findsOneWidget);

/// Вводим цифру в первое поле
await tester.enterText(debitTF, '12');

await tester.pumpAndSettle();

/// И ожидаем правильный результат во втором поле
expect(
find.byWidgetPredicate(
(w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenCreditHint &&
w.controller?.text == '13.03',
),
findsOneWidget,
);
},
);

testWidgets(
'Ввод значения во второе поле - изменение в первом',
(tester) async {
await app.main([], api);
await tester.pumpAndSettle();

/// Ищем текстовые поля
final debitTF = find.byWidgetPredicate((w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenDebitHint);
final creditTF = find.byWidgetPredicate((w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenCreditHint);

/// И кнопки
final debitBtn = find.widgetWithText(ClipOval, '€');
final creditBtn = find.widgetWithText(ClipOval, r'$');

/// Убеждаемся, что они есть на экране
expect(debitTF, findsOneWidget);
expect(creditTF, findsOneWidget);
expect(debitBtn, findsOneWidget);
expect(creditBtn, findsOneWidget);

/// Вводим цифру во второе поле
await tester.enterText(creditTF, '12');

await tester.pumpAndSettle();

/// И ожидаем правильный результат в первом поле
expect(
find.byWidgetPredicate(
(w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenDebitHint &&
w.controller?.text == '11.06',
),
findsOneWidget,
);
},
);

testWidgets(
'Переключение валюты в первом поле - изменение во втором',
(tester) async {
await app.main([], api);
await tester.pumpAndSettle();

/// Ищем текстовые поля
final debitTF = find.byWidgetPredicate((w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenDebitHint);
final creditTF = find.byWidgetPredicate((w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenCreditHint);

/// Находим кнопки
final debitBtn = find.widgetWithText(ClipOval, '€');
final creditBtn = find.widgetWithText(ClipOval, r'$');

/// Убеждаемся, что они есть на экране
expect(debitTF, findsOneWidget);
expect(creditTF, findsOneWidget);
expect(debitBtn, findsOneWidget);
expect(creditBtn, findsOneWidget);

await tester.enterText(debitTF, '12');

/// Нажимаем на кнопку переключения валюты первого поля
await tester.tap(debitBtn);
await tester.pumpAndSettle();
final debitlist = find.byType(ListView);

/// Будем переключаться на рубль
final debitItem = find.widgetWithText(InkWell, 'Russia Ruble');

expect(debitlist, findsOneWidget);

/// Драгаем, пока не найдём искомый элемент
await tester.dragUntilVisible(
debitItem,
debitlist,
const Offset(0, -200),
);

await tester.tap(debitItem);

/// Ждём, пока все устаканится + пройдёт запрос
await tester.pumpAndSettle(const Duration(milliseconds: 1000));

/// И ожидаем правильный результат во втором поле
expect(
find.byWidgetPredicate(
(w) =>
w is TextField &&
w.decoration?.hintText == AppDictionary.mainScreenCreditHint &&
w.controller?.text == '0.16',
),
findsOneWidget,
);
},
);

testWidgets(
'Установка одинаковой валюты в первом и втором поле',
(tester) async {
await app.main([], api);
await tester.pumpAndSettle();

/// Находим кнопки
final debitBtn = find.widgetWithText(ClipOval, '€');
final creditBtn = find.widgetWithText(ClipOval, r'$');

/// Убеждаемся, что они есть на экране
expect(debitBtn, findsOneWidget);
expect(creditBtn, findsOneWidget);

/// Нажимаем на кнопку переключения валюты второго поля
await tester.tap(creditBtn);
await tester.pumpAndSettle();
final creditList = find.byType(ListView);

/// Будем переключаться на евро
final creditItem = find.widgetWithText(
InkWell,
'Euro Member Countries',
);

expect(creditList, findsOneWidget);

/// Драгаем, пока не найдём искомый элемент
await tester.dragUntilVisible(
creditItem,
creditList,
const Offset(0, -200),
);

await tester.tap(creditItem);

await tester.pumpAndSettle();

/// Ожидаем увидеть снек с предупреждением
expect(
find.widgetWithText(
SnackBar,
AppDictionary.mainScreenSameCurrenciesSelectedWarning,
),
findsOneWidget,
);

/// И то, что вторая валюта осталась неизменной
expect(find.widgetWithText(ClipOval, r'$'), findsOneWidget);
},
);
}
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