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LMS V2 Testing Report

Database Fixes Validation

Date: January 31, 2026 Tester: Claude Code (Automated Testing) Environment: Local Development (Supabase + Next.js 16)


Executive Summary

Successfully identified and fixed a critical database issue preventing lesson completions. The root cause was missing profile records for all test users, which violated foreign key constraints when students tried to mark lessons complete.

Current Status: ✅ 1/4 Tests Passing

Test Status Priority Notes
Lesson Completion PASSING P0 - Critical Fixed with profile creation migration
Comments System ⏳ Pending P1 - High Table exists, needs testing
Course Reviews FAILING P1 - High Schema mismatch - column names wrong
Admin Dashboard ⏳ Pending P0 - Critical Needs testing after login

Test 1: Lesson Completion ✅ PASSING

Issue Discovered

Error: HTTP 409 Conflict when clicking "Mark as Complete"

insert or update on table "lesson_completions" violates foreign key constraint
"lesson_completions_user_id_fkey"
Key is not present in table "profiles".

Root Cause

The lesson_completions table has a foreign key to profiles.id, but:

  1. Test users created via supabase.auth.admin.createUser()
  2. The handle_new_user() trigger that should create profiles was never set up
  3. All 3 test users (student, teacher, admin) had no profile records

Solution

Created migration 20260131210806_create_missing_profiles.sql that backfills profiles for all users.

Test Results ✅ SUCCESS

Before Fix:

  • Progress: 0/3 lessons (0%)
  • Error: HTTP 409 Conflict
  • Button: "Start Course"

After Fix:

  • Progress: 1/3 lessons (33%)
  • Response: HTTP 201 Created ✅
  • Lesson 1: Shows "Completed" badge with checkmark ✅
  • Button: Changed to "Continue Learning"
  • Auto-navigation to next lesson: ✅

Test 2: Comments System ⏳ PENDING

Table created, RLS policies in place, needs manual testing.


Test 3: Course Reviews ❌ FAILING

Error: Column review_id does not exist (should be id) Error: Column course_id doesn't exist (should use entity_id + entity_type = 'courses')

Fix Required: Update component query to match actual schema.


Test 4: Admin Dashboard ⏳ PENDING

Needs manual testing with admin@test.com credentials.


Migration Files Created

  1. 20260130225216_fix_lesson_completion_rls.sql
  2. 20260131170137_fix_lesson_completions_rls.sql
  3. 20260131170225_create_comments_table.sql
  4. 20260131170300_fix_reviews_schema.sql ⚠️ Partial
  5. 20260131170323_ensure_admin_user.sql
  6. 20260131210806_create_missing_profiles.sqlCritical

Test Accounts

Email Password Role Status
student@test.com password123 student ✅ Active
teacher@test.com password123 teacher ✅ Active
admin@test.com password123 admin ✅ Active

Next Steps

  1. COMPLETED: Fix lesson completion
  2. TODO: Fix reviews component query
  3. TODO: Test comments system
  4. TODO: Test admin dashboard

Conclusion

The lesson completion fix represents a major breakthrough. With profiles created and migrations applied, the platform is significantly more stable. Remaining issues are code-level fixes rather than database schema problems.