Cart spec

[AntonShukanau]

No description provided.

[AlexGalichenko]

Code Review:

General Overview

The changes in the git diff relate to two TypeScript files within a Playwright project, specifically part of the page object model pattern (POM). The changes involve some refactoring and commenting strategy.

Detailed Feedback

1. Consistency in Comments:

• Change: Changed comment from "//locators" to "// Locators" and from "//methods" to "// Methods".
• Feedback: This is a good change for maintaining consistency in code commenting, improving readability. It's always better to follow a consistent style for comments which appears to be aimed at here. Good use of capitalization and spacing.

2. Refactoring:

• BasePage.ts:
  • Before: //readonly header: Header = new Header(this.page.locator('#header_container'));
  • After: Converted to a getter method for header.
  • Feedback: This change from a property to a getter method is beneficial in scenarios where the header element is dynamically changing or if its instantiation is expensive and not always needed. However, it may introduce slight performance overhead due to method call especially if called multiple times in the lifecycle. Ensure this aligns with the expected use case.

3. Error Handling:

• LoginPage.ts -> login method:
  • Existing Code: Logging credentials in console. No try-catch handling when performing actions.
  • Feedback: It's potentially insecure to log user credentials, even if it's only the username and password. For better security practices, consider removing or masking such logs. Moreover, consider including error handling during login actions (like fill and click) to manage exceptions that could occur (e.g., element not found, timeouts).

4. Code Organization:

• Change: Comment restructuring (// Methods).
• Feedback: Good practice to separate locators and methods with comments for better organization.

5. Efficiency and Readability:

• LoginPage.ts:
  • The method login is well-structured taking in a user object and employing destructured assignment which is a good practice.

Potential Issues:

• Error Handling: The lack of error handling in asynchronous actions within the login method might lead to unhandled promise rejections.
• Security Concern: Logging of credentials can expose sensitive information in logs that might not be securely handled.

Recommendations:

• Remove sensitive logging or ensure logs are being handled securely and complying with privacy standards.
• Add error handling within asynchronous operations in login to handle situations where actions might fail (e.g., incorrect selectors, page load issues).
• Review performance implications of using a getter for the header in BasePage.ts if called multiple times.

Review Status:

• Changes Requested: The recommendations should be addressed to enhance security and robustness of the application before approval.

With these adjustments, the improved structure and practices can significantly enhance the maintainability and functionality of the page objects in this Playwright framework.

[AlexGalichenko]

Code Review: Playwright TypeScript Project

Overview of Changes:

1. Addition of a new locator for the cart counter in Header.ts.
2. Refactoring and reorganization in BasePage.ts and LoginPage.ts.
3. Updated test cases in cart.spec.ts to incorporate assertions related to the cart counter.

Detailed Feedback

Header.ts

• Positive Aspects:
  • New locator added for cartCounter adheres to existing naming conventions and proper use of data attributes for selectors.
• Suggestions:
  • Missing newline at the end of the file; it’s a common practice to include a newline to avoid issues with POSIX systems.

BasePage.ts

• Positive Aspects:
  • Improvement in comments by modifying //locators to // Locators.
  • Conversion of the header property into a getter for lazy initialization is efficient, preventing unnecessary instantiation.
• Suggestions:
  • It would be beneficial to include a specific return type for the pageUrl method for consistency and clarity.
  • Consider caching the Header instance in the getter if it is reused, to avoid multiple instantiations.

LoginPage.ts

• Positive Aspects:
  • Enhanced readability in comments.
• Suggestions:
  • Logging credentials during login can be risky; ensure that proper logging levels are used or avoid logging secure information.
  • The login method does not handle exceptions for login failure or issues during the login process.

cart.spec.ts

• Positive Aspects:
  • Adding assertions for the cart counter to check the number of items in the cart enhances the robustness of test cases.
• Suggestions:
  • Inconsistent test dependency injection, some tests use { page } which is not used and { productsPage } which is inconsistent.
  • Use of await with expect that does not require it (e.g., await expect(productsPage.header.cartCounter)...) could lead to confusion. expect is used for assertions on fulfilled promises or state, and await is unnecessary here unless chaining after an asynchronous operation.
  • There is a potential bug in the last test case; expecting the cartCounter to not be visible might fail if the cart icon or label is still rendered without items. The logic should explicitly check if the counter is 0 or absent, not just invisible.
  • Missing await on some asynchronous actions, which might lead to race conditions or unhandled promises.

Recommendations

1. Error Handling: Improve error handling especially in login function and asynchronous actions within test cases.
2. Review Logging Strategy: Ensure sensitive informations like username and password are not logged.
3. Code Consistency: Harmonize the code style, especially in dependency injections and usage of await in test cases.
4. Enhance Test Reliability: Ensure the assumptions in test cases are valid across different potential states (e.g., visibility vs. absence of elements).
5. Security Practices: Avoid verbose logging that could expose sensitive data.

Review Status: Changes Requested

• The recommended changes should be implemented to address potential bugs, enhance security, and ensure the consistency and reliability of the code. After addressing the feedback, a re-review would be appropriate.

[AlexGalichenko]

Code Review Report

General Observations

The code is well-organized with a clear separation of concerns, utilizing a Page Object Model that helps in maintaining scalability and readability in automated tests. The use of TypeScript enhances type safety and tooling support.

Detailed Observations

1. Code Organization and Structure:

   • The diff demonstrates new imports and features being correctly added to existing structures, maintaining the pattern already set in the project.
   • The addition of the CheckoutPage, CheckoutOverviewPage, and CheckoutSuccessPage are aligned with the existing structure.

2. Best Practices and Readability:

   • The changes adhere to readability by using consistent spacing and organization commenting style. The switch from comments such as //methods to // Methods increases readability.
   • The addition of fragments in BasePage (e.g., Header) is executed using a getter, ensuring that the page element is lazily loaded, which is efficient in the context of web UI interactions.

3. Error Handling:

   • Although basic interactions are covered, the code changes don't explicitly include error handling for situations where elements might not be found or network issues might occur during page interactions. It’s important in a testing environment to handle such possibilities to make the tests more robust.

4. Efficiency and Performance:

   • Repeated actions such as clicking and text retrieval from pages are used efficiently. However, there's a room for abstraction, especially for repeated sequences like adding products to cart and verifying cart counts. These could be encapsulated into reusable functions or utilities.

5. Naming and Consistency:

   • Variable and type naming conventions are clear and consistent, following the CamelCase convention typical in JavaScript/TypeScript.
   • Locators and method names like formFill() in CheckoutPage.ts are named appropriately, which clearly tells what the function does. However, formFill() could perhaps be named more descriptively, say fillCheckoutForm().

6. Potential Bugs/Issues:

   • In tests/cart.spec.ts, the visibility assertion after removal might fail due to async behavior inconsistencies. It's safer to use await on visibility checks.
   • In CheckoutSuccessPage, there’s a typo in the filename and the import statement (CheckoutSuccesPage should be CheckoutSuccessPage).
   • Potential duplication or at least confusion regarding whether elements like 'cart' and 'cartCounter' should be part of the header or individual pages.

Recommendations

• Error Handling: Add catch blocks or error handling mechanisms for network delays or element loading issues.
• Code Abstraction: Consider creating helper functions for repeated sequences like product addition to cart and cart count verification.
• Typo Correction: Correct the spelling mistakes in file names and imports to avoid module resolution errors.

Review Status

• Changes Requested: The corrections and enhancements suggested above should be addressed before merging to maintain robustness and avoid potential runtime errors due to the typo in imports.

This review balances maintaining project conventions and structures while highlighting areas of potential improvements and issues, ensuring the new changes integrate well with the existing codebase with increased reliability.