[EPIC] Invoice-to-Payment Workflow E2E Tests

[africanitem]

Epic Overview

Invoice-to-Payment Workflow tests the complete customer invoice lifecycle from creation through payment recording.

Motivation

• Core revenue workflow for the accounting system
• Validates invoice creation, posting, and payment recording
• Ensures dashboard and bank account updates correctly
• Critical for accounts receivable management

Prerequisites

• Epic 0 (Prerequisites) - must complete
• Epic 6 (Bank Account Transaction) - bank account must exist
• Customer exists (via Epic 0 helpers)
• Product/service exists (via Epic 0 helpers)
• Currency configured

Dependencies

• Depends on: Epic [EPIC] Prerequisites and Test Data Setup Workflow E2E Tests #489 (Epic 0 - Prerequisites)
• Depends on: Epic [EPIC] Bank Account Transaction Workflow E2E Tests #501 (Epic 6 - Bank Account Transaction)

Epic Success Criteria

• Complete invoice-to-payment workflow tested end-to-end
• All helper functions reusable and documented
• Tests follow existing test patterns and standards
• Tests verify data persistence across steps
• Tests verify dashboard and bank account updates
• Test coverage: 10+ test cases covering happy path and edge cases
• Test data follows naming patterns
• Tests use standardized helpers

File: invoice-to-payment-workflow.spec.ts

Tasks

• [TASK] Create invoice operation helpers - Invoice-to-Payment Workflow #513 [TASK] Create invoice operation helpers
• [TASK] Create receipt operation helpers - Invoice-to-Payment Workflow #514 [TASK] Create receipt operation helpers
• [TASK] Implement invoice creation test - Invoice-to-Payment Workflow #515 [TASK] Implement invoice creation test
• [TASK] Implement invoice posting test - Invoice-to-Payment Workflow #516 [TASK] Implement invoice posting test
• [TASK] Implement receipt creation from invoice test - Invoice-to-Payment Workflow #517 [TASK] Implement receipt creation from invoice test
• [TASK] Implement payment recording test - Invoice-to-Payment Workflow #518 [TASK] Implement payment recording test
• [TASK] Implement dashboard verification test - Invoice-to-Payment Workflow #519 [TASK] Implement dashboard verification test
• [TASK] Implement bank account verification test - Invoice-to-Payment Workflow #520 [TASK] Implement bank account verification test
• [TASK] Implement partial payment workflow test - Invoice-to-Payment Workflow #521 [TASK] Implement partial payment workflow test
• [TASK] Implement complete invoice-to-payment workflow test - Invoice-to-Payment Workflow #522 [TASK] Implement complete invoice-to-payment workflow test