Refund Charge Testing
- Summary
- 1. Test Case: Successful Refund (200 Response)
- 2. Test Case: Unknown Shopping Trip (400 Error)
- 3. Test Case: Bad Request - Invalid Store ID (400 Error)
- 4. Test Case: Bad Request - Missing Required Fields (400 Error)
- 5. Test Case: Bad Request - Invalid Amount Data Type (400 Error)
- 6. Test Case: Bad Request - Invalid Currency Code (400 Error)
- 7. Test Case: Bad Request - Invalid Refund Request ID (400 Error)
- 8. Test Case: Bad Request - Invalid Refund Reason Code (400 Error)
- 9. Test Case: StoreId Format Validation (400 Error)
- 10. Test Case: ShoppingTripId Format Validation (400 Error)
- 11. Test Case: Field Length Validation (400 Error)
- 12. Test Case: Rate Limiting (429 Error)
- 13. Test Case: Server Error (500 Error)
- 14. Test Case: Service Unavailable (503 Error)
- Edge Case Test Scenarios
- Test Execution Notes
- Expected HTTP Status Codes Summary
Summary
While the test cases below outline key testing scenarios, it should be supplemented with your organization's established testing best practices to ensure comprehensive coverage of any use cases not explicitly included in this test plan.
1. Test Case: Successful Refund (200 Response)
Objective: Trigger successful charge refund
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 25.99,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440000",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"reconciliationId": "generated-reconciliation-id"
}
2. Test Case: Unknown Shopping Trip (400 Error)
Objective: Trigger "UnknownShoppingTrip" error
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "invalid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440001",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "UnknownShoppingTrip"
}
3. Test Case: Bad Request - Invalid Store ID (400 Error)
Objective: Trigger "BadRequestException" for invalid storeId format
{
"storeId": "INVALID@STORE#ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440002",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
4. Test Case: Bad Request - Missing Required Fields (400 Error)
Objective: Trigger "BadRequestException" for missing storeId
{
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440003",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
5. Test Case: Bad Request - Invalid Amount Data Type (400 Error)
Objective: Trigger "BadRequestException" for incorrect amount data type
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": "invalid_string_amount",
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440004",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
6. Test Case: Bad Request - Invalid Currency Code (400 Error)
Objective: Trigger "BadRequestException" for invalid currency code pattern ^[A-Z]{3}$
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "invalid"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440005",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
7. Test Case: Bad Request - Invalid Refund Request ID (400 Error)
Objective: Trigger "BadRequestException" for invalid UUID format
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "invalid-uuid-format",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
8. Test Case: Bad Request - Invalid Refund Reason Code (400 Error)
Objective: Trigger "BadRequestException" for invalid refundReasonCode enum
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440006",
"refundReasonCode": "INVALID_REASON"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
9. Test Case: StoreId Format Validation (400 Error)
Objective: Test storeId pattern validation ^[0-9a-zA-Z_-]*$
{
"storeId": "invalid@store#id!",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440007",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
10. Test Case: ShoppingTripId Format Validation (400 Error)
Objective: Test shoppingTripId pattern validation ^[0-9a-zA-Z_-]+$
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "invalid@trip#id!",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440008",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
11. Test Case: Field Length Validation (400 Error)
Objective: Test field length limits (> 255 characters)
{
"storeId": "A".repeat(256),
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440009",
"refundReasonCode": "DAMAGED_ITEM"
}
Expected Response:
{
"errorMsg": "BadRequestException"
}
12. Test Case: Rate Limiting (429 Error)
Objective: Trigger "Too Many Requests" error
Test Method: Send multiple rapid requests to exceed rate limit
Expected Response:
{
"errorMsg": "Too Many Requests"
}
Headers: Retry-After: 600
13. Test Case: Server Error (500 Error)
Objective: Trigger "ServiceException"
Test Method: This typically occurs during server issues or unhandled exceptions
Expected Response:
{
"errorMsg": "ServiceException"
}
14. Test Case: Service Unavailable (503 Error)
Objective: Trigger "ServiceUnavailableException"
Test Method: Send request during maintenance or service downtime
Expected Response:
{
"errorMsg": "Service temporarily unavailable",
"retryAfter": "300"
}
Edge Case Test Scenarios
15. Test Case: Zero Amount (400 Error)
Objective: Test zero amount validation
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 0,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440010",
"refundReasonCode": "DAMAGED_ITEM"
}
16. Test Case: Negative Amount (400 Error)
Objective: Test negative amount validation
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": -10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440011",
"refundReasonCode": "DAMAGED_ITEM"
}
17. Test Case: Excessive Decimal Places (400 Error)
Objective: Test amount with > 2 decimal places
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.999,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440012",
"refundReasonCode": "DAMAGED_ITEM"
}
18. Test Case: All Valid Refund Reason Codes (200 Response)
Objective: Test all valid enum values
{
"storeId": "VALID_STORE_ID",
"shoppingTripId": "valid-shopping-trip-uuid",
"amount": {
"amount": 10.00,
"code": "USD"
},
"refundRequestId": "550e8400-e29b-41d4-a716-446655440013",
"refundReasonCode": "EXPIRED_ITEM"
}
Other valid codes to test: "UNWANTED_ITEM", "JWO_TECH_ERROR", "OTHER"
Test Execution Notes
- Rate Limiting: Use automated scripts to send 10+ rapid consecutive requests
- Field Validation: Test each validation rule individually
- Shopping Trip States: Use non-existent UUIDs for UnknownShoppingTrip errors
- Refund Window: Test with shopping trips older than 7 days
- UUID Validation: Test various invalid UUID formats
- Decimal Precision: Ensure amounts are limited to 2 decimal places
Expected HTTP Status Codes Summary
- 200: Successful refund (returns reconciliationId)
- 400: Bad Request (validation errors, unknown trip, missing/invalid fields)
- 429: Too Many Requests (rate limiting with Retry-After header)
- 500: Internal Server Error (service exceptions)
- 503: Service Unavailable (maintenance/downtime with retryAfter field)
