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Shopify E2E Testing

This document outlines the automated end-to-end test scenarios for the Shopify-DATEV export platform, focusing on order processing, payment handling, and DATEV export validation.
Note: All tests follow the standardized test ID system. For details on the naming conventions, see the E2E Testing Conventions.

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Automation Approach

All tests described in this document are implemented as automated tests using Playwright. The documentation serves as a reference for:
  • What functionality is being tested by our automation suite
  • The business scenarios that each test validates
  • Expected outcomes that the automated assertions verify
Each test case is implemented in the tests/e2e/shopify directory with filenames matching the test IDs.

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Test Orders (Shopify E2E Store)

The following baseline test orders exist in the Shopify E2E store for validation:
Order NumberVATProductPayment ProviderPayment MethodFulfillmentCountryDate
#100119%Simple productShopify PaymentsMastercardFulfilledGermany10.08.2025
#100219%Simple productPayPalPayPalFulfilledGermany10.08.2025

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Test Customers (Shopify E2E Store)

The following customers exist in the Shopify E2E store to validate B2C vs B2B handling based on VAT ID presence:
CustomerTypeVAT ID in Shopify
Shayna RunolfssonB2CNo
Mirja LammertB2BYes
B2B/B2C classification is determined by whether the Shopify customer has a VAT ID (B2B) or not (B2C).

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Core Test Scenarios

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Basic Order with VAT Processing

SH-CORE-001
Scenario: Single product order with 19% VAT using Shopify Payments What the automation verifies:
  1. Order and Shopify Payments capture in CONA system
  2. Journal entry creation with Fallback Accounts in CONA system
  3. DATEV export generation contains:
    • Revenue entry with correct 19% VAT
    • Payment record (marked as not yet reconciled)
    • Proper tax account assignment
Expected Result: DATEV export shows revenue with correct VAT and unreconciled payment

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Payment Reconciliation Flow

SH-CORE-002
Scenario: Reconciling payments for completed orders What the automation verifies:
  1. Creation of multiple orders with Shopify Payments
  2. Reconciliation process in CONA
  3. Updated DATEV export generation
  4. Payment reconciliation status in DATEV export
Expected Result: Updated DATEV export shows reconciled payments (same Belegfeld 1 ID) with proper accounting entries

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Multi-Tax Rate Order Processing

SH-CORE-003
Scenario: Order with mixed tax rates (19% and 7% VAT products) What the automation verifies:
  1. Product creation with different VAT rates
  2. Purchase with mixed VAT products
  3. DATEV export tax splitting accuracy
Expected Result: DATEV export correctly splits revenue by tax rate

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Refund Processing

SH-CORE-004
Scenario: Full and partial refunds What the automation verifies:
  1. Order creation and completion
  2. Full refund processing
  3. Partial refund processing
  4. DATEV export refund entries and VAT handling
Expected Result: DATEV export shows refund entries with proper VAT reversal

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Multi-Currency Handling

SH-CORE-005
Scenario: Orders in different currencies What the automation verifies:
  1. Multi-currency shop configuration
  2. Purchases in different currencies
  3. DATEV export currency conversion
Expected Result: DATEV export shows correctly converted amounts in base currency

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Discount Handling

SH-CORE-006
Scenario: Orders with various discount types What the automation verifies:
  1. Order creation with percentage discounts
  2. Order creation with fixed amount discounts
  3. Order creation with free shipping discounts
  4. DATEV export discount accounting treatment
Expected Result: DATEV export correctly handles different discount types according to accounting rules

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Gift Card Processing

SH-CORE-007
Scenario: Gift card purchase and redemption flow What the automation verifies:
  1. Gift card purchase and activation
  2. Gift card redemption in orders
  3. Partial gift card usage
  4. DATEV export gift card accounting treatment
Expected Result: DATEV export properly accounts for gift card transactions

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Integration Test Scenarios

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DATEV Export Format Validation

SH-INT-002
Scenario: Validating export format compliance What the automation verifies:
  1. Exports with various data combinations
  2. Export structure validation against DATEV specifications
Expected Result: All exports are DATEV-compliant

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Error Handling Test Scenarios

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Incomplete Data Handling

SH-ERR-001
Scenario: Orders with missing information What the automation verifies:
  1. Orders with incomplete tax information
  2. DATEV export generation with incomplete data
  3. Error handling and logging mechanisms
Expected Result: System handles incomplete data gracefully with proper error logging

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Synchronization Failure Recovery

SH-ERR-002
Scenario: Recovery from API failures What the automation verifies:
  1. Simulated Shopify API failures
  2. Recovery mechanism triggering and execution
  3. Data consistency after recovery
Expected Result: System recovers from API failures maintaining data integrity

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Performance Test Scenarios

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Bulk Order Processing

SH-PERF-001
Scenario: Processing high volume of orders What the automation verifies:
  1. Large batch order generation and processing
  2. System performance under load
  3. DATEV export generation timing
Expected Result: System handles bulk processing within acceptable time frames

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Large DATEV Export Generation

SH-PERF-002
Scenario: Generating export with extensive data What the automation verifies:
  1. Large dataset preparation
  2. Export generation performance
  3. Resource utilization during generation
Expected Result: Large exports generate within acceptable timeframes

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End-to-End User Journey Tests

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Complete Accounting Cycle

SH-E2E-001
Scenario: Full monthly accounting cycle What the automation verifies:
  1. Shop setup with products and tax rates
  2. Monthly transaction generation
  3. Payment and reconciliation processing
  4. Month-end export generation
  5. Export completeness validation
Expected Result: Month-end export is complete and ready for accounting purposes
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