Assignment submission#16
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WalkthroughThe changes implement a complete Cypress end-to-end test suite for login functionality, replacing a placeholder. The Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant LoginForm
participant App
User->>LoginForm: Fill username & password
User->>LoginForm: Submit form
LoginForm->>LoginForm: handleSubmit()
LoginForm->>App: onLogin({ username, password })
App->>User: Redirect to welcome page
Poem
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Actionable comments posted: 0
🧹 Nitpick comments (1)
cypress/e2e/login.cy.js (1)
1-36: Consider adding negative test cases.While the current tests cover the happy path well, consider adding tests for error scenarios such as:
- Invalid credentials
- Server errors
- Network failures
This would improve the robustness of your test suite.
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📒 Files selected for processing (2)
cypress/e2e/login.cy.js(1 hunks)src/components/LoginForm.js(1 hunks)
🔇 Additional comments (7)
src/components/LoginForm.js (4)
18-21: Good implementation of handleSubmit function!The
handleSubmitfunction correctly prevents the default form submission behavior withe.preventDefault()and calls theonLogincallback with the form data. This addresses the redirect issue mentioned in the PR by preventing page reloads/refreshes when the login button is clicked.
25-25: Properly connected form submission event.Adding the
onSubmithandler to the form element is the correct way to capture form submissions in React, allowing the component to properly invoke theonLogincallback passed from the parent component.
5-16: Form state management looks good.The component correctly uses React's useState hook to manage form data and properly updates the state when input values change.
27-48: Form validation is in place.The input fields correctly use the
requiredattribute to ensure form validation, which prevents submitting the form with empty fields.cypress/e2e/login.cy.js (3)
1-5: Well-structured test suite setup.The test suite is properly organized with a
beforeEachhook that visits the root URL before each test, ensuring a consistent starting point for all tests.
6-19: Comprehensive form validation testing.This test case thoroughly validates the form's input requirements and value handling capabilities, ensuring that:
- Required attributes are present on inputs
- Input values are correctly captured
This provides good coverage for the form's basic functionality.
21-35: End-to-end login flow test is robust.This test case effectively verifies the complete login flow, including:
- Form submission
- Redirect to welcome page
- Personalized greeting display
- Logout button visibility
The test ensures that the fix for the login redirect issue works as expected.
1 participant
🐞 root cause:
the redirect issue was not happening due to onLogin event handler not being called upon form submission. The simple fix for this was to add a handleSubmit event handler for the onSubmit event when the login button is submitted, and then this will call the onLogin prop passed down, sending the formData back up to the parent component. The event default behavior was also prevented to avoid refreshing and reloading the browser once the login button is clicked.
💡 bonus:
I used cursor to help speed up development and validate my assumptions. I have attached some screenshots.
Summary by CodeRabbit
New Features
Tests