mockupAWS/BACKEND_VALIDATION_REPORT.md

Backend Validation Report - TASK-005, TASK-006, TASK-007

Date: 2026-04-07
Backend Version: 0.4.0
Status: ✅ COMPLETE

---

TASK-005: Backend Health Check Results

API Endpoints Tested

Endpoint	Method	Status
/health	GET	✅ 200 OK
/api/v1/scenarios	GET	✅ 200 OK
/api/v1/scenarios	POST	✅ 201 Created
/api/v1/scenarios/{id}/reports	POST	✅ 202 Accepted
/api/v1/scenarios/{id}/reports	GET	✅ 200 OK
/api/v1/reports/{id}/status	GET	✅ 200 OK
/api/v1/reports/{id}/download	GET	✅ 200 OK
/api/v1/reports/{id}	DELETE	✅ 204 No Content

Report Generation Tests

• PDF Generation: ✅ Working (generates valid PDF files ~2KB)
• CSV Generation: ✅ Working (generates valid CSV files)
• File Storage: ✅ Files stored in storage/reports/{scenario_id}/{report_id}.{format}

Rate Limiting Test

• Limit: 10 downloads per minute
• Test Results:
  • Requests 1-10: ✅ HTTP 200 OK
  • Request 11+: ✅ HTTP 429 Too Many Requests
• Status: Working correctly

Cleanup Test

• Function: cleanup_old_reports(max_age_days=30)
• Test Result: ✅ Successfully removed files older than 30 days
• Status: Working correctly

---

TASK-006: Backend Bugfixes Applied

Bugfix 1: Report ID Generation Error

File: src/api/v1/reports.py
Issue: Report ID generation using UUID(int=datetime.now().timestamp()) caused TypeError because timestamp returns a float, not int.
Fix: Changed to use uuid4() for proper UUID generation.

# Before:
report_id = UUID(int=datetime.now().timestamp())

# After:
report_id = uuid4()

Bugfix 2: Database Column Mismatch - Reports Table

Files:

• alembic/versions/e80c6eef58b2_create_reports_table.py
• src/models/report.py

Issue: Migration used metadata column but model expected extra_data. Also missing created_at and updated_at columns from TimestampMixin.
Fix:

1. Changed migration to use extra_data column name
2. Added created_at and updated_at columns to migration

Bugfix 3: Database Column Mismatch - Scenario Metrics Table

File: alembic/versions/5e247ed57b77_create_scenario_metrics_table.py
Issue: Migration used metadata column but model expected extra_data.
Fix: Changed migration to use extra_data column name.

Bugfix 4: Report Sections Default Value Error

File: src/schemas/report.py
Issue: Default value for sections field was a list of strings instead of ReportSection enum values, causing AttributeError when accessing .value.
Fix: Changed default to use enum values.

# Before:
sections: List[ReportSection] = Field(
    default=["summary", "costs", "metrics", "logs", "pii"],
    ...
)

# After:
sections: List[ReportSection] = Field(
    default=[ReportSection.SUMMARY, ReportSection.COSTS, ReportSection.METRICS, ReportSection.LOGS, ReportSection.PII],
    ...
)

Bugfix 5: Database Configuration

Files:

• src/core/database.py
• alembic.ini
• .env

Issue: Database URL was using incorrect credentials (app/changeme instead of postgres/postgres).
Fix: Updated default database URLs to match Docker container credentials.

Bugfix 6: API Version Update

File: src/main.py
Issue: API version was still showing 0.2.0 instead of 0.4.0.
Fix: Updated version string to "0.4.0".

---

TASK-007: API Documentation Verification

OpenAPI Schema Status: ✅ Complete

API Information:

• Title: mockupAWS
• Version: 0.4.0
• Description: AWS Cost Simulation Platform

Documented Endpoints

All /reports endpoints are properly documented:

1. POST /api/v1/scenarios/{scenario_id}/reports - Generate a report
2. GET /api/v1/scenarios/{scenario_id}/reports - List scenario reports
3. GET /api/v1/reports/{report_id}/status - Check report status
4. GET /api/v1/reports/{report_id}/download - Download report
5. DELETE /api/v1/reports/{report_id} - Delete report

Documented Schemas

All Report schemas are properly documented:

• ReportCreateRequest - Request body for report creation
• ReportFormat - Enum: pdf, csv
• ReportSection - Enum: summary, costs, metrics, logs, pii
• ReportStatus - Enum: pending, processing, completed, failed
• ReportResponse - Report data response
• ReportStatusResponse - Status check response
• ReportList - Paginated list of reports
• ReportGenerateResponse - Generation accepted response

---

Summary

Backend Status: ✅ STABLE

All critical bugs have been fixed and the backend is now stable and fully functional:

• ✅ All API endpoints respond correctly
• ✅ PDF report generation works
• ✅ CSV report generation works
• ✅ Rate limiting (10 downloads/minute) works
• ✅ File cleanup (30 days) works
• ✅ API documentation is complete and accurate
• ✅ Error handling is functional

Files Modified

1. src/api/v1/reports.py - Fixed UUID generation
2. src/schemas/report.py - Fixed default sections value
3. src/core/database.py - Updated default DB URL
4. src/main.py - Updated API version
5. alembic.ini - Updated DB URL
6. .env - Created with correct credentials
7. alembic/versions/e80c6eef58b2_create_reports_table.py - Fixed columns
8. alembic/versions/5e247ed57b77_create_scenario_metrics_table.py - Fixed column name

---

Report Generated By: @backend-dev
Next Steps: Backend is ready for integration testing with frontend.