mirror of
https://github.com/hmalik144/easy_cc_flutter.git
synced 2025-12-10 03:05:34 +00:00
Unit tests added
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124
test/unit_test/repository_test.dart
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124
test/unit_test/repository_test.dart
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import 'dart:io';
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import 'package:dio/dio.dart';
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import 'package:easy_cc_flutter/data/model/Currency.dart';
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import 'package:easy_cc_flutter/data/network/backupCurrencyApi.dart';
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import 'package:easy_cc_flutter/data/network/currencyApi.dart';
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import 'package:easy_cc_flutter/data/prefs/CurrencyPair.dart';
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import 'package:easy_cc_flutter/data/prefs/PreferenceProvider.dart';
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import 'package:easy_cc_flutter/data/repository/RepositoryImpl.dart';
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import 'package:easy_cc_flutter/locator.dart';
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:mockito/annotations.dart';
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import 'package:mockito/mockito.dart';
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import 'package:retrofit/dio.dart' as http;
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import '../test_utils/test_utils.dart';
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import 'repository_test.mocks.dart';
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@GenerateMocks([
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PreferenceProvider,
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CurrencyApi,
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BackupCurrencyApi
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], customMocks: [
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MockSpec<http.HttpResponse<ResponseObject>>(
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onMissingStub: OnMissingStub.returnDefault),
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MockSpec<http.HttpResponse<CurrencyResponse>>(
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as: #MockCurrencyResponse, onMissingStub: OnMissingStub.returnDefault),
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MockSpec<DioError>(onMissingStub: OnMissingStub.returnDefault)
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])
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void main() {
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late RepositoryImpl repository;
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late PreferenceProvider preferenceProvider;
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late CurrencyApi currencyApi;
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late BackupCurrencyApi backupCurrencyApi;
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const String fromCurrency = "AUD - Australian Dollar";
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const String toCurrency = "GBP - British Pound Sterling";
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setUpAll(() async {
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// Setup
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await dotenv.load(fileName: "test/resources/test_res.env");
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// Create mock object.
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preferenceProvider = MockPreferenceProvider();
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currencyApi = MockCurrencyApi();
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backupCurrencyApi = MockBackupCurrencyApi();
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locator.registerLazySingleton(() => preferenceProvider);
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locator.registerLazySingleton(() => currencyApi);
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locator.registerLazySingleton(() => backupCurrencyApi);
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repository = RepositoryImpl();
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});
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test('get currency pair from prefs', () {
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// Given
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CurrencyPair pair = CurrencyPair(fromCurrency, toCurrency);
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// When
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when(preferenceProvider.getConversionPair()).thenReturn(pair);
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// Then
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expect(repository.getConversionPair(), pair);
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});
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test('get currency rate from API', () async {
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// Given
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http.HttpResponse<ResponseObject> mockResponse = MockHttpResponse();
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ResponseObject responseObject = ResponseObject.fromJson(
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await readJson("test/resources/success_call_api"));
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Currency currencyObject = Currency("AUD", "GBP", 0.601188);
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String currency = "AUD_GBP";
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// When
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when(mockResponse.data).thenReturn(responseObject);
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when(currencyApi.getConversion(dotenv.env['apiKey']!, currency))
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.thenAnswer((_) async => mockResponse);
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// Then
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Currency retrieved =
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await repository.getConversationRateFromApi(fromCurrency, toCurrency);
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expect(retrieved.toString(), currencyObject.toString());
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});
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test('get currency rate from backup API', () async {
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// Given
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http.HttpResponse<CurrencyResponse> mockResponse = MockCurrencyResponse();
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CurrencyResponse currencyResponse = CurrencyResponse.fromJson(
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await readJson("test/resources/success_call_backup_api"));
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Currency currencyObject = Currency("AUD", "GBP", 0.601188);
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String currency = "AUD_GBP";
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// When
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when(currencyApi.getConversion(dotenv.env['apiKey']!, currency))
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.thenAnswer((_) async => Future.error(MockDioError()));
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when(mockResponse.data).thenReturn(currencyResponse);
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when(backupCurrencyApi.getCurrencyRate("AUD", "GBP"))
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.thenAnswer((_) async => mockResponse);
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// Then
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Currency retrieved =
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await repository.getConversationRateFromApi(fromCurrency, toCurrency);
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expect(retrieved.toString(), currencyObject.toString());
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});
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test('unable to retrieve rate from both APIs', () async {
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// Given
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String currency = "AUD_GBP";
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DioError backUpError = MockDioError();
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// When
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when(backUpError.error).thenReturn("Error message");
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when(currencyApi.getConversion(dotenv.env['apiKey']!, currency))
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.thenAnswer((_) async => Future.error(MockDioError()));
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when(backupCurrencyApi.getCurrencyRate("AUD", "GBP"))
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.thenAnswer((_) async => Future.error(backUpError));
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// Then
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expect(() async => await repository.getConversationRateFromApi(fromCurrency, toCurrency),
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throwsA(predicate((e) =>
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e is HttpException &&
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e.message == 'Error message')));
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});
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}
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132
test/unit_test/viewmodel_test.dart
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132
test/unit_test/viewmodel_test.dart
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import 'dart:io';
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import 'package:easy_cc_flutter/MainViewModel.dart';
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import 'package:easy_cc_flutter/Utils/SelectionType.dart';
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import 'package:easy_cc_flutter/data/model/Currency.dart';
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import 'package:easy_cc_flutter/data/prefs/CurrencyPair.dart';
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import 'package:easy_cc_flutter/data/repository/RepositoryImpl.dart';
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import 'package:easy_cc_flutter/locator.dart';
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:mockito/annotations.dart';
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import 'package:mockito/mockito.dart';
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import 'package:easy_cc_flutter/Utils/ViewState.dart';
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import 'viewmodel_test.mocks.dart';
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@GenerateMocks([
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RepositoryImpl
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])
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void main() {
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late MainViewModel mainViewModel;
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late RepositoryImpl repository;
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const String fromCurrency = "AUD - Australian Dollar";
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const String toCurrency = "GBP - British Pound Sterling";
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setUpAll(() async {
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// Setup
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await dotenv.load(fileName: "test/resources/test_res.env");
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// Create mock object.
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repository = MockRepositoryImpl();
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locator.registerLazySingleton(() => repository);
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mainViewModel = MainViewModel();
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});
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test('get currency pair from prefs', () {
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// Given
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CurrencyPair pair = CurrencyPair(fromCurrency, toCurrency);
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// When
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when(repository.getConversionPair()).thenReturn(pair);
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// Then
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String fromSelection = mainViewModel.getConversionPair(SelectionType.conversionFrom);
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String toSelection = mainViewModel.getConversionPair(SelectionType.conversionTo);
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expect(fromSelection, fromCurrency);
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expect(toSelection, toCurrency);
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});
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test('get currency pair from prefs nothing stored', () {
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// Given
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CurrencyPair pair = CurrencyPair(null, null);
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// When
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when(repository.getConversionPair()).thenReturn(pair);
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// Then
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String fromSelection = mainViewModel.getConversionPair(SelectionType.conversionFrom);
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String toSelection = mainViewModel.getConversionPair(SelectionType.conversionTo);
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expect(fromSelection, "ALL - Albanian Lek");
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expect(toSelection, "ALL - Albanian Lek");
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});
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test('set the currency rate from API', () async{
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// Given
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Currency currency = Currency(fromCurrency, toCurrency, 0.6);
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// When
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when(repository.getConversationRateFromApi(fromCurrency, toCurrency))
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.thenAnswer((_) async => currency);
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// Then
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mainViewModel.setCurrencyRate(fromCurrency, toCurrency);
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await Future.delayed(const Duration(milliseconds: 100));
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expect((mainViewModel.viewState as HasData).data, currency);
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expect(mainViewModel.conversionRate, currency.rate);
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});
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test('currency rate api fails to retrieve data', () async{
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// Given
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String errorMessage = "failed to retrieve data";
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// When
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when(repository.getConversationRateFromApi(fromCurrency, toCurrency))
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.thenAnswer((_) async => Future.error(HttpException(errorMessage)));
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// Then
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mainViewModel.setCurrencyRate(fromCurrency, toCurrency);
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await Future.delayed(const Duration(milliseconds: 100));
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expect((mainViewModel.viewState as HasError).error, errorMessage);
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});
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test('convert input with correct format', () async{
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// Given
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String input = "43";
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mainViewModel.conversionRate = 6.34;
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// When
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// Then
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expect(mainViewModel.convertInput(input, SelectionType.conversionFrom), "272.62");
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expect(mainViewModel.convertInput(input, SelectionType.conversionTo), "6.78");
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});
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test('convert input with empty input', () async{
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// Given
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String input = "";
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mainViewModel.conversionRate = 6.34;
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// When
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// Then
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expect(mainViewModel.convertInput(input, SelectionType.conversionFrom), "");
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expect(mainViewModel.convertInput(input, SelectionType.conversionTo), "");
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});
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test('convert input with empty input', () async{
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// Given
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String input = "45.45564";
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mainViewModel.conversionRate = 6.34;
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// When
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// Then
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expect(mainViewModel.convertInput(input, SelectionType.conversionFrom), "288.19");
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expect(mainViewModel.convertInput(input, SelectionType.conversionTo), "7.17");
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});
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}
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