Bharathh-Raj

class InstagramPost {
  final String username;
  final String userProfilePicUrl;
  final String postId;
  final String imageUrl;
  final String caption;
  final int likes;
  final List<Comment> comments;
  final DateTime timestamp;

Bharathh-Raj

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override

Bharathh-Raj

void main(){
  Wallet btc = BTCWallet(BTCWalletDC("", 0));
  btc.derive();
  btc.walletDC.balance;
}

// @freezed
// class WalletDC with _$WalletDC {
//   const factory WalletDC.eth(String phrase, double balance) = ETHWalletDC;
//   const factory WalletDC.btc(String phrase, double balance) = BTCWalletDC;

Bharathh-Raj

class MockRemoteDataSource extends Mock implements RemoteDateSource{}

void main(){
  test("fetch() should return an instance of student on remoteDataSource's fetch success", () {
    //Arrange
    MockRemoteDateSource mockDS = MockRemoteDateSource();
    Repository repo = Repository(mockDS);
    when(mockDS.fetch()).thenReturn("Mock Result");
    //Act
    final result = repo.fetch();

Bharathh-Raj

import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';
import 'repository_test.mocks.dart'; // Don't forget to include this

@GenerateMocks([RemoteDateSource])
void main() {
  test("fetch() should return an instance of student on remoteDataSource's fetch success", () {
    //Arrange
    MockRemoteDateSource mockDS = MockRemoteDateSource();
    Repository repo = Repository(mockDS);

Bharathh-Raj

//Note: This code is just for demonstration purpose

class MockRemoteDateSourceSuccess extends DataSource {
  @override
  Future<String> fetch() async {
    return Future.value("Mock Result");
  }
}

class MockRemoteDateSourceFailure extends DataSource {

Bharathh-Raj

abstract class DataSource {
  Future<String> fetch();
}

class RemoteDateSource extends DataSource {
  @override
  Future<String> fetch() async {
    final result = await httpClient.get("", 0, "");
    return result;
  }

Bharathh-Raj

//Note: This code is just for demonstration purpose

void main(){
  test("fetch() should return an instance of student on remoteDataSource's fetch success", () {
    Repository repo = Repository(MockRemoteDateSourceSuccess());
    final result = repo.fetch();
    expect(result, isInstanceOf<Student>());
  });

  test("fetch() should throw an exception on remoteDataSource's fetch throws any exception", () {

Bharathh-Raj

//Note: This code is just for demonstration purpose

class MockRemoteDateSourceSuccess implements RemoteDateSource {
  @override
  Future<String> fetch() async {
    return Future.value("Mock Result");
  }
}

class MockRemoteDateSourceFailure implements RemoteDateSource {

Bharathh-Raj

//Note: This code is just for demonstration purpose

class Repository {
  final RemoteDateSource remoteDateSource;
  Repository(this.remoteDateSource);

  Future<Student> fetch() async {
    late String result;
    try {
      result = await remoteDateSource.fetch();