react-testing-library VS Splitwise

• Focused on user-centric testing
  React Testing Library encourages tests that closely resemble how users interact with an application. This approach makes tests more reliable and meaningful.
• Reduces coupling to implementation details
  By encouraging developers to interact with components via the DOM, the library minimizes dependencies on component internals, making tests less prone to breaking from refactors.
• Improved test readability
  Tests written with React Testing Library are generally easier to read and understand because they focus on what the user sees and does, rather than the internal logic of the components.
• Comprehensive query options
  The library provides a wide range of query methods (e.g., getByText, getByRole), which makes it easy to select elements in ways that resemble how users think.
• Active community and well-maintained
  React Testing Library has a strong, active community and it's maintained by experienced developers who keep the library up-to-date with React's evolution.

Possible disadvantages

• Limited support for non-DOM testing
  The library is heavily focused on DOM interactions, making it less suited for testing non-DOM logic or scenarios that don't involve user interactions.
• Can be slower
  Tests that involve the DOM can be slower compared to tests that interact directly with component methods and state, which can lead to longer test execution times.
• Learning curve for traditional testers
  Developers who are used to testing implementation details with other tools (like Enzyme) might find it challenging to adjust to the user-centric approach advocated by React Testing Library.
• Potential for less granular control
  Because the library encourages testing through the UI, developers might find it harder to test specific, isolated internal behaviors of components that aren't directly visible to users.
• Dependencies on browser APIs
  The library's reliance on browser APIs means that tests may behave differently in different environments or may require polyfills for certain features, leading to potential inconsistencies.

• User-Friendly Interface
  Splitwise provides an intuitive and easy-to-navigate interface, making it straightforward for users to add expenses, keep track of debts, and settle up.
• Multi-Platform Availability
  Available on the web, iOS, and Android, Splitwise ensures users can access and manage their expenses from almost any device.
• Expense Tracking
  The app allows users to easily log and categorize expenses, which can be particularly useful for group trips, shared households, or any shared financial responsibility.
• Flexible Split Options
  Users can split expenses equally, by percentages, shares, or custom amounts, providing flexibility in how costs are divided among group members.
• Currency Conversion
  Splitwise supports multiple currencies, which is handy for international travel or groups with members from different countries.
• Bill Reminders
  The app sends reminders for outstanding balances, helping users to stay on top of their payments and avoid forgotten debts.
• Integration with Payment Platforms
  Splitwise can integrate with payment platforms like PayPal and Venmo for easy settlement of balances.

Possible disadvantages

• Privacy Concerns
  Since Splitwise involves sharing financial information with others, there could be privacy concerns for those unwilling to share detailed expense data.
• Subscription-Based Features
  Some advanced features, such as expense exporting and additional integrations, require a Splitwise Pro subscription.
• Manual Entry Requirement
  Splitwise requires users to manually enter expenses, which could be time-consuming and prone to errors if not done diligently.
• Limited Automatic Reconciliation
  While Splitwise helps track who owes whom, it does not automatically reconcile or pay off balances, leaving users responsible for manual payment.
• Dependency on Group Honesty
  The accuracy of the expense records relies on the honesty and diligence of all group members, which may not always be reliable.
• Potential for Confusion
  The various options for splitting bills (equally, by shares, etc.) can sometimes lead to confusion or disputes among users over what is fair.

React unit testing with Jest & React-testing-library

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Splitwise - iPhone App Review! [2020]

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Tracking Splitwise since Mar 2021.