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test: added test cases for constants.ts, points.ts and teluguKeyboard.ts

Issue Summary

Added unit test coverage for constants.ts, points.ts, and teluguKeyboard.ts to ensure correctness of shared utility logic and prevent regressions.

Problem Statement

  • Utility modules (constants.ts, points.ts, teluguKeyboard.ts) previously lacked sufficient test coverage
  • Risk of incorrect values, calculation errors, and keyboard mapping issues
  • These modules are widely used, so bugs can impact multiple features

Proposed Solution

  • Added unit tests for:

    • constants.ts → validate exported constant values
    • points.ts → verify scoring/points calculation logic and edge cases
    • teluguKeyboard.ts → test character mappings and input transformations

  • Covered normal cases, edge cases, and invalid inputs

Test-Driven Development

Acceptance Criteria (Given-When-Then)

Scenario 1: Validate constants

Given constants are imported
 When accessed in the application
 Then they should match expected predefined values

Scenario 2: Validate points calculation

Given valid input data
 When points are calculated
 Then correct score should be returned

Scenario 3: Validate Telugu keyboard mapping

Given user input characters
 When processed through keyboard mapping
 Then correct Telugu characters should be returned

Test Cases

Test ID Test Description Precondition Test Steps Expected Result Priority
TC-001 Validate constants values Constants loaded 1. Import constants
2. Check values		 Values match expected High
TC-002 Points calculation Valid input 1. Pass input
2. Compute points		 Correct result High
TC-003 Points edge cases Edge input 1. Pass edge input
2. Compute		 Handled correctly High
TC-004 Telugu mapping Input text 1. Provide input
2. Map text		 Correct output High

Unit Test Requirements

Components/Functions to Test:

Module/Component Function/Hook Test Cases to Cover
constants.ts constants export TC-001
points.ts points calculation logic TC-002, TC-003
teluguKeyboard.ts mapping functions TC-004

Test Assertions Required:

  • Executes correctly with expected values
  • Handles edge cases properly
  • Validates input/output behavior
  • Ensures correct transformations

Implementation Details

Files to Change

File Path Action Purpose
tests/src/lib/constants.test.ts Create Test constants
tests/src/lib/points.test.ts Create Test points logic
tests/src/lib/teluguKeyboard.test.ts Create Test keyboard mapping

Technical Considerations

  • Focus on pure function testing (no UI dependencies)
  • Ensure deterministic outputs for all inputs
  • Cover edge cases and invalid inputs

UI/UX Requirements

Not applicable

Testing Strategy

Manual Testing

Test Environment:

  • Browser: Chrome
  • Viewport: Desktop
  • User Role: Any

Manual Test Steps:

  1. Verify constants usage in app
  2. Validate points calculation manually
  3. Test Telugu keyboard input behavior

Automated Testing

Unit Tests:

  • Function logic tests
  • Edge case handling
  • Input/output validation
  • Error handling

Integration Tests (if applicable):

  • Not required

Test Data Requirements

const mockTestData = {
  validInput: {},
  edgeCaseInput: {},
  teluguInput: "test"
}

Definition of Done

  • Acceptance criteria met
  • All test cases passing
  • Unit tests written with good coverage
  • Manual testing completed
  • No console errors or warnings
  • TypeScript types defined
  • ESLint/Prettier checks pass

Additional Context

Notes

  • Improves reliability of shared utility modules
  • Prevents regressions in core logic used across the app
  • Enhances overall test coverage