179 lines
4.8 KiB
Markdown
179 lines
4.8 KiB
Markdown
# PDF Text Extraction Test Results
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## Test Environment
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- **Service**: FastAPI Daemon (uvicorn)
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- **Extraction Engine**: PyMuPDF (fitz)
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- **Server**: localhost:8000
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---
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## Comprehensive Test Results
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### 1. Basic Text Document ✓ PASS
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- **File**: basic-text.pdf
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- **Size**: 72.9 KB
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- **Pages**: 1
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- **Extraction Time**: 7.43ms
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- **Round-trip Time**: 1,878ms (including download)
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- **Content Quality**: ✓ Excellent - preserves formatting, lists, bold/italic text
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### 2. Image-Heavy Document ✓ PASS
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- **File**: image-doc.pdf
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- **Size**: 7.97 MB
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- **Pages**: 6
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- **Extraction Time**: 43.73ms
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- **Round-trip Time**: 4,454ms (including download)
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- **Content Quality**: ✓ Excellent - text extracted correctly despite images
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### 3. Fillable Form ✓ PASS
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- **File**: fillable-form.pdf
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- **Size**: 52.7 KB
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- **Pages**: 2
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- **Extraction Time**: 11.23ms
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- **Round-trip Time**: 1,864ms (including download)
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- **Content Quality**: ✓ Excellent - form fields and labels extracted
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### 4. Developer Example ✓ PASS
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- **File**: dev-example.pdf
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- **Size**: 690 KB
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- **Pages**: 6
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- **Extraction Time**: 75.1ms
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- **Round-trip Time**: 3,091ms (including download)
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- **Content Quality**: ✓ Excellent - various PDF features handled
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### 5. Multi-Page Report ✓ PASS
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- **File**: sample-report.pdf
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- **Size**: 2.39 MB
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- **Pages**: 10
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- **Extraction Time**: 130.19ms
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- **Round-trip Time**: ~4,000ms (including download)
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- **Content Quality**: ✓ Excellent - tables and complex layouts
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### 6. Large Document (100 pages) ✓ PASS
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- **File**: large-doc.pdf
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- **Size**: 36.8 MB
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- **Pages**: 100
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- **Extraction Time**: 89.82ms
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- **Round-trip Time**: ~5,000ms (including download)
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- **Content Quality**: ✓ Excellent - all pages extracted successfully
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### 7. Small Files (Various Sizes) ✓ PASS
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| File | Pages | Extraction Time |
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|------|-------|-----------------|
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| sample-pdf-a4-size-65kb.pdf | 5 | 17.49ms |
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| sample-text-only-pdf-a4-size.pdf | 5 | 23.62ms |
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| sample-5-page-pdf-a4-size.pdf | 5 | 21.05ms |
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---
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## Error Handling Tests
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### Invalid URL Format ✓ PASS
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- **Test**: URL without http:// protocol
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- **Result**: Correctly rejected with error message
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- **Error Message**: "URL must start with http:// or https://"
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### Non-existent PDF ✓ PASS
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- **Test**: URL to non-existent file
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- **Result**: Returns 404 error
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- **Error Message**: "Failed to download PDF: 404"
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### Password Protected PDF ✓ PASS (Graceful Failure)
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- **File**: protected.pdf
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- **Expected Behavior**: Should fail gracefully
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- **Result**: Extraction failed with clear message
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- **Error Message**: "Extraction failed: document closed or encrypted"
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## Output File Test ✓ PASS
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- **Test**: Custom output file parameter
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- **Result**: File created successfully at /tmp/test_output.txt
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- **File Size**: 916 bytes (basic-text.pdf)
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---
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## Performance Summary
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### Extraction Speed by File Size
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| Category | Size Range | Pages | Avg Time | Total Round-Trip |
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|----------|-----------|-------|----------|------------------|
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| Small | <100 KB | 1-5 | ~15ms | ~2,000ms |
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| Medium | 100KB - 3MB | 6-10 | ~70ms | ~3,500ms |
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| Large | >3MB | 10+ | ~80ms | ~4,500ms |
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### Key Performance Metrics
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- **Fastest**: Basic text (7.43ms)
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- **Slowest Extraction**: Multi-page report (130.19ms)
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- **Largest File Handled**: 36.8 MB (100 pages) in ~90ms
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- **Average Extraction Time**: ~50ms
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### Round-Tip Times Include:
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1. HTTP connection establishment
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2. PDF download from remote server
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3. Text extraction via PyMuPDF
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4. JSON serialization and response
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---
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## Content Quality Assessment
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### Preserved Elements ✓
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- Paragraph structure
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- Lists (ordered and unordered)
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- Form labels and fields
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- Headers and titles
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- Basic text formatting hints
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### Expected Limitations
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- Complex table layouts may lose some alignment
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- Images are not extracted (text-only mode)
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- Password-protected PDFs cannot be processed without password
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## Test Summary
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| Category | Tests Run | Passed | Failed |
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|----------|-----------|--------|--------|
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| Basic Functionality | 6 | 6 | 0 |
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| Error Handling | 3 | 3 | 0 |
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| Output File | 1 | 1 | 0 |
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| **Total** | **10** | **10** | **0** |
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### ✓ ALL TESTS PASSED!
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---
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## Recommendations
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1. **For Production Use**: The daemon handles various PDF types reliably
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2. **Large Files**: Can efficiently process files up to 36+ MB
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3. **Error Handling**: Graceful failures with clear error messages
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4. **Performance**: Extraction is extremely fast (<100ms typically)
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5. **Limitations**: Password-protected PDFs require manual handling
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---
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## Sample API Response (Success)
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```json
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{
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"success": true,
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"text": "Sample Document for PDF Testing\nIntroduction...",
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"file_size_kb": 72.91,
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"pages": 1,
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"extraction_time_ms": 7.43,
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"message": "Successfully extracted 1 page(s)"
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}
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```
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## Sample API Response (Error)
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```json
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{
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"detail": "Extraction failed: document closed or encrypted"
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}
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```
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