Hirely-Backend / API_INTEGRATION_SUMMARY.md
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Candidate Test-Taking Flow - Implementation Complete

Overview

The complete candidate test-taking flow has been implemented, allowing candidates to take tests assigned to them through a public link.

What Was Implemented

Backend (Already Complete)

βœ… API Endpoints (backend/api/endpoints/candidate_tests.py):

  • GET /api/v1/candidate-tests/access/{test_result_id} - Check test access
  • POST /api/v1/candidate-tests/start - Start test and get questions
  • POST /api/v1/candidate-tests/submit - Submit answers and get results
  • GET /api/v1/candidate-tests/result/{test_result_id} - View results

βœ… Router Registration (backend/api_app.py):

  • Candidate tests router is registered and accessible

Frontend (Just Implemented)

βœ… Test Taking Page (frontend/src/pages/TakeTest.jsx):

  • Test access verification with email
  • Test information and instructions display
  • Interactive test-taking interface with:
    • Timer countdown with color coding
    • Question navigation (previous/next)
    • Progress indicator
    • Answer summary
    • Multiple question types support (multiple choice, text, coding)
    • Auto-submit when time runs out
  • Results display (immediate or pending based on test settings)

βœ… API Service Methods (frontend/src/services/api.js):

  • checkCandidateTestAccess(testResultId, email) - Verify access
  • startCandidateTest(testResultId, email) - Start test
  • submitCandidateTest(submission) - Submit answers
  • getCandidateTestResults(testResultId, email) - Get results

βœ… Routing (frontend/src/App.jsx):

  • Public route added: /take-test/:testResultId
  • Route is accessible without authentication

How It Works

1. Recruiter Assigns Test

  1. Go to Tests page
  2. Click "Assign" on any test
  3. Select candidate and set expiration (optional)
  4. System creates test assignment and sends email

2. Candidate Receives Link

Email contains link format:

http://localhost:5173/take-test/{test_result_id}?email={candidate_email}

3. Candidate Takes Test

  1. Click link β†’ See test info and instructions
  2. Click "Start Test" β†’ Timer starts, questions appear
  3. Answer questions β†’ Navigate between questions
  4. Submit test β†’ Get immediate results (if configured)

4. Recruiter Views Results

  1. Go to Tests page
  2. Click "View Results" on the test
  3. See all candidate scores and details

Testing the Flow

Quick Test Steps:

  1. Start Backend:

    cd backend
    python api_app.py
    
  2. Start Frontend:

    cd frontend
    npm run dev
    
  3. Create and Assign Test:

    • Login to recruiter dashboard
    • Go to Tests page
    • Create a new test with questions
    • Assign it to a candidate
  4. Get Test Link:

    • Check database for test_result_id:
      cd backend
      python view_db.py
      
    • Look for the TestResult record
  5. Take Test:

    • Open: http://localhost:5173/take-test/{test_result_id}?email={candidate_email}
    • Complete the test
  6. View Results:

    • Check Tests page for results
    • Or candidate sees immediate results (if configured)

Features Implemented

Security

  • βœ… Email verification on every request
  • βœ… No authentication required (uses test_result_id + email)
  • βœ… One-time use (cannot retake unless configured)
  • βœ… Expiration date checking
  • βœ… Correct answers hidden until submission

User Experience

  • βœ… Clean, intuitive interface
  • βœ… Timer with color coding (green β†’ yellow β†’ red)
  • βœ… Progress tracking
  • βœ… Question navigation
  • βœ… Answer summary
  • βœ… Auto-submit on timeout
  • βœ… Immediate or delayed results

Question Types Supported

  • βœ… Multiple choice (radio buttons)
  • βœ… Text (textarea)
  • βœ… Coding (monospace textarea)

Scoring

  • βœ… Automatic scoring
  • βœ… Points per question
  • βœ… Pass/fail determination
  • βœ… Individual question scores
  • βœ… Time tracking

Next Steps (Optional Enhancements)

Email Integration

  • Send test assignment email with link
  • Send test completion notification
  • Send results email (if delayed)

Implementation:

# In backend/api/endpoints/tests.py assign_test_to_candidate()
from modules.email_service import send_email

# After creating test_result
test_link = f"http://localhost:5173/take-test/{test_result.id}?email={candidate.email}"
send_email(
    to_email=candidate.email,
    subject=f"Test Assignment: {test.title}",
    body=f"You have been assigned a test. Click here to start: {test_link}"
)

Additional Features

  • Save progress (allow browser refresh)
  • Question bookmarking/flagging
  • Review answers before submission
  • Detailed question-by-question results
  • Test analytics for recruiters
  • Proctoring features (webcam, screen recording)

File Structure

backend/
β”œβ”€β”€ api/endpoints/
β”‚   β”œβ”€β”€ candidate_tests.py    # NEW: Public test endpoints
β”‚   └── tests.py               # Existing: Recruiter test management
β”œβ”€β”€ models/test.py             # Test and TestResult models
└── TEST_FLOW_GUIDE.md         # Complete documentation

frontend/
β”œβ”€β”€ src/
β”‚   β”œβ”€β”€ pages/
β”‚   β”‚   β”œβ”€β”€ TakeTest.jsx       # NEW: Candidate test interface
β”‚   β”‚   └── Tests.jsx          # Existing: Recruiter test management
β”‚   β”œβ”€β”€ services/
β”‚   β”‚   └── api.js             # UPDATED: Added candidate test methods
β”‚   └── App.jsx                # UPDATED: Added public route

API Endpoints Summary

Recruiter Endpoints (Authenticated)

  • POST /api/v1/tests/ - Create test
  • GET /api/v1/tests/ - List tests
  • PUT /api/v1/tests/{id} - Update test
  • DELETE /api/v1/tests/{id} - Delete test
  • POST /api/v1/tests/{id}/assign - Assign to candidate
  • GET /api/v1/tests/{id}/results - View all results

Candidate Endpoints (Public with email verification)

  • GET /api/v1/candidate-tests/access/{test_result_id} - Check access
  • POST /api/v1/candidate-tests/start - Start test
  • POST /api/v1/candidate-tests/submit - Submit answers
  • GET /api/v1/candidate-tests/result/{test_result_id} - View results

Database Schema

Test Table

  • Stores test configuration
  • Questions with correct answers
  • Settings (duration, passing score, etc.)

TestResult Table

  • One record per test assignment
  • Status: assigned β†’ in_progress β†’ completed
  • Stores answers and scores
  • Tracks timing and attempts

Troubleshooting

Test Link Not Working

  • Verify test_result_id exists in database
  • Check email matches candidate email exactly
  • Ensure test status is "assigned" or "in_progress"
  • Check expiration date

Timer Issues

  • Browser must support JavaScript
  • Don't refresh page during test
  • Auto-submit triggers at 0:00

Submission Fails

  • Check internet connection
  • Verify backend is running
  • Check browser console for errors
  • Ensure all required fields are filled

Success! πŸŽ‰

The complete candidate test-taking flow is now implemented and ready to use. Candidates can receive test links, take tests with a timer, and see their results immediately or later based on test configuration.