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Marcin Parśniak
Marcin Parśniak

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Revenue test (JUnit5) - Finovara

#java #testing #webdev #programming

Hello!

After the latest update to my project, I decided it was the perfect time to finally start writing tests for Finovara.

So far, I've written tests for the main methods.
On average, I run 2-3 tests per method, which seems like a good compromise. I cover both the happy path and a few edge cases and alternate flows—basically, I try to make sure everything works as expected, regardless of the situation.

Overall, I'm aiming for 70-80% code coverage, though this may change as I add more tests and improve what I already have.

Example of a simple test:

@Test
void shouldAddRevenueSuccessfully() {
        RevenueDTO dto = new RevenueDTO(null, null, new BigDecimal("100"), RevenueCategory.SALARY, null, "test income");
        String email = "test@test.com";
        User user = new User();

        when(timeConfig.clock()).thenReturn(Clock.systemDefaultZone());
        when(userManagerService.getUserByEmailOrThrow(email)).thenReturn(user);

        revenueService.addRevenue(dto, email);

        verify(walletService).addBalanceToWallet(email, dto.amount());
        verify(revenueActivityService).createRevenueActivity(eq(email), eq(RevenueActivityType.ADDED_REVENUE), any(Revenue.class));
        verify(revenueRepository).save(any(Revenue.class));
        verify(revenueScoringService).recalculateScore(email);
        verify(autoPaymentsService).handleRevenuePiggyBankAutomation(email, dto.amount(), AutoPaymentsMode.APPLY);
    }
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Next, I plan to write expense tests. I'll see how it goes

Thanks for reading, and please visit my GitHub:

GitHub logo M4rc1nek / finovara-backend

Backend service for a personal finance management application

Finovara

Finovara is a financial management platform designed to help users effectively track analyze, and optimize their income, expenses, and savings The application provides a secure, bank-like experience focused on transparency, financial awareness, and long-term money planning.

🎯 Purpose of the Application

Finovara aims to support users in making better financial decisions by offering clear insights into their financial activity and helping them maintain control over their budgets and savings.

The platform focuses on:

  • organizing income and expenses in a structured way
  • visualizing financial data through charts and statistics
  • supporting saving goals and spending limits
  • providing a virtual wallet concept for daily financial management

🚀 Key Features

  • Secure user authentication and authorization
  • Income and expense tracking
  • Categorization of financial operations
  • Interactive charts and financial statistics
  • Reports summarizing spending and income trends
  • Virtual wallet management
  • Savings goals (e.g. piggy banks)
  • Spending limits and budget control
  • Scalable architecture prepared for future financial…


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