console bank

readme.md

console bank

Created with <3 with dartpad.dev.

main.dart

class BankAccount {
  String? accountName;
  String? accountNumber;
  double accountBalance = 0;
  
  BankAccount(String name, String number){
    accountName = name;
    
    // Validate account number
    RegExp pattern = RegExp(r'^\d+$');
    bool match = pattern.hasMatch(number);
    if (!match){
      throw "Invalid Account number";
    }

    accountNumber = number;
  }

  double getBalance(){
    // Get user account balance
    return accountBalance;
  }
  
  
  void depositMoney(double amount){
    
    // Add amount to user balance
    accountBalance += amount;
    print("Money deposited successfully!");
    
  }
  
  
  void withdrawMoney(double amount){
    
    // Withdraw amount from user balance
    if (amount > accountBalance){
      print("Insufficient funds!");
      return;
    }
    
    accountBalance -= amount;
    
  }
  
}


BankAccount createTestUser(){
  // Create user accounts for testing
  return BankAccount("Test User", "0902348378");
}


void testCase0(){
  // Test for bad account number names
  List<String> badNames = ["0902A3G8378", "09023.8378"];
  
  for (String name in badNames){
    try{
      BankAccount("Test User", name);
    } catch(e){
      assert(e == "Invalid Account number");
    }
  }
}

void testCase1(){
  var user = createTestUser();
  assert(user.getBalance() == 0);
}

void testCase2(){
  var user = createTestUser();
  user.depositMoney(5000);
  assert(user.getBalance() == 5000);
}

void testCase3(){
  var user = createTestUser();
  
  // Should print insufficient funds
  user.withdrawMoney(5000);
  assert(user.getBalance() == 0);
}

void testCase4(){
  var user = createTestUser();
  
  user.depositMoney(15000);
  user.withdrawMoney(5000);
  assert(user.getBalance() == 10000);
}


String? getFunctionName(var func){
  // Get the name of the provided function
  String name = func.toString();
  RegExp pattern = RegExp(r"'\w+'");
  return pattern.stringMatch(name);
}


void main() {
  var testCases = [testCase0, testCase1, testCase2, testCase3, testCase4];
  
  int failed = 0;
  int passed = 0;
  
  // Run test cases
  for (final test in testCases){
    String? funcName = getFunctionName(test);
    print("Running test for $funcName");
    try{
      test();
    } catch(e) {
      print("Test failed! ❌\n");
      failed++;
      continue;
    }
    print("Test passed! ✅\n");
    passed++;
  }
  
  double percent = (passed / testCases.length) * 100;
  
  print("======= Completed $percent% ========");
  print("Tests passed: $passed");
  print("Tests failed: $failed");
  print("===============================");
  
}