User Story 1 (Poll): Issue 9 - Testing Roles, Voting, and Data Integrity

[dkhalifa25]

Issue 9: Testing Roles, Voting, and Data Integrity

Effort: 2-3h
Dependencies: Issues 1-8
Milestone: Sprint 2
Description:

• Create poll as TA, verify students can view and vote.
• Attempt duplicate voting; verify blocked.
• Verify unauthorized poll creation fails.
• Confirm counts/percentages correct with multiple voters.
• API contract tests for create/fetch/vote.

Acceptance Criteria:

• Full happy-path passes on desktop/mobile.
• Duplicate vote prevention confirmed at DB layer.
• Unauthorized actions return correct status codes.
• UI/API behave consistently across refreshes.