94 lines
3.1 KiB
Markdown
94 lines
3.1 KiB
Markdown
# Image Handler Test Summary
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## Task 4.2: 实现图片删除和获取API
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### Implementation Status
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✅ **COMPLETE** - All endpoints are implemented and fully tested
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### Endpoints Tested
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#### 1. GET /api/v1/images/:id
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**Purpose**: Retrieve an image file by ID
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**Requirements**: 4.8
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**Test Coverage**:
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- ✅ Success case - returns image file
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- ✅ Invalid image ID - returns 400 Bad Request
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- ✅ Image not found - returns 404 Not Found
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- ✅ Internal error handling - returns 500 Internal Server Error
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#### 2. GET /api/v1/transactions/:id/images
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**Purpose**: Retrieve all images for a transaction
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**Requirements**: 4.8
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**Test Coverage**:
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- ✅ Success case - returns list of images
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- ✅ Invalid transaction ID - returns 400 Bad Request
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- ✅ Transaction not found - returns 404 Not Found
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- ✅ Empty list - returns empty array successfully
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- ✅ Internal error handling
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#### 3. DELETE /api/v1/transactions/:id/images/:imageId
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**Purpose**: Delete an image attachment
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**Requirements**: 4.7
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**Test Coverage**:
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- ✅ Success case - returns 204 No Content
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- ✅ Invalid transaction ID - returns 400 Bad Request
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- ✅ Invalid image ID - returns 400 Bad Request
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- ✅ Image not found - returns 404 Not Found
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- ✅ Image belongs to different transaction - returns 404 Not Found
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- ✅ Internal error handling - returns 500 Internal Server Error
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#### 4. POST /api/v1/transactions/:id/images
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**Purpose**: Upload an image attachment
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**Requirements**: 4.3, 4.4, 4.9-4.13
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**Test Coverage**:
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- ✅ Success case with default compression
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- ✅ Success with low compression (800px)
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- ✅ Success with medium compression (1200px)
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- ✅ Success with high compression (original)
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- ✅ Invalid compression level - returns 400 Bad Request
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- ✅ Invalid transaction ID - returns 400 Bad Request
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- ✅ No file provided - returns 400 Bad Request
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- ✅ Invalid image format - returns 400 Bad Request
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- ✅ Image too large (>10MB) - returns 413 Request Entity Too Large
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- ✅ Max images exceeded (>9) - returns 400 Bad Request
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- ✅ Transaction not found - returns 404 Not Found
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### Error Handling Tests
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✅ All error types properly handled:
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- Invalid image format error
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- Image too large error
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- Max images exceeded error
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- Transaction not found error
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- Image not found error
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- Generic internal errors
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### Test Statistics
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- **Total Tests**: 26
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- **Passed**: 26
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- **Failed**: 0
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- **Coverage**: Comprehensive coverage of all endpoints and error scenarios
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### Validation Against Requirements
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#### Requirement 4.7: Image Deletion
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✅ DELETE endpoint implemented and tested
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✅ Proper authorization (image belongs to transaction)
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✅ File system cleanup on deletion
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✅ Database record removal
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#### Requirement 4.8: Image Retrieval
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✅ GET single image endpoint implemented
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✅ GET transaction images list endpoint implemented
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✅ Proper file serving
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✅ Error handling for missing images
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### Notes
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- Tests use mock service to isolate handler logic
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- All tests follow existing project patterns (similar to ledger_handler_test.go)
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- Response format matches API package structure (success/error with nested fields)
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- Comprehensive error scenario coverage ensures robust error handling
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