PXL8D
8722ae61dd
- Universal metadata extraction and conversion across AI platforms - Support for A1111, ComfyUI, Civitai, Forge, Tensor.AI, Leonardo.AI - Template-driven architecture for easy platform extension - Model dependency resolution with download URLs - Custom 'meta' PNG chunk standard for cross-platform compatibility - Comprehensive validation and testing system
400 lines
14 KiB
Python
400 lines
14 KiB
Python
"""
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MetaMan Validation and Testing Module
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Validates metadata parsing, conversion, and template functionality
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"""
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import json
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import yaml
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import os
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from PIL import Image, PngImagePlugin
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from typing import Dict, List, Any
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from datetime import datetime
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class MetaManValidator:
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"""
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Validates MetaMan functionality and template consistency
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"""
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def __init__(self, templates_dir: str):
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self.templates_dir = templates_dir
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self.validation_results = []
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def validate_all(self) -> Dict[str, Any]:
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"""Run all validation tests"""
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results = {
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'timestamp': datetime.now().isoformat(),
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'overall_status': 'unknown',
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'tests': {},
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'summary': {}
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}
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# Test schema validation
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results['tests']['schema'] = self.validate_universal_schema()
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# Test service templates
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results['tests']['templates'] = self.validate_service_templates()
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# Test metadata parsing
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results['tests']['parsing'] = self.validate_metadata_parsing()
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# Test conversions
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results['tests']['conversions'] = self.validate_conversions()
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# Generate summary
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results['summary'] = self.generate_summary(results['tests'])
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results['overall_status'] = 'pass' if results['summary']['all_passed'] else 'fail'
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return results
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def validate_universal_schema(self) -> Dict[str, Any]:
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"""Validate the universal schema file"""
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result = {
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'status': 'unknown',
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'errors': [],
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'warnings': [],
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'info': {}
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}
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schema_path = os.path.join(self.templates_dir, 'universal_schema.yaml')
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try:
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# Check file exists
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if not os.path.exists(schema_path):
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result['errors'].append(f"Schema file not found: {schema_path}")
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result['status'] = 'fail'
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return result
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# Load and validate YAML
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with open(schema_path, 'r', encoding='utf-8') as f:
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schema = yaml.safe_load(f)
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# Check required top-level fields
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required_fields = ['schema_version', 'fields']
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for field in required_fields:
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if field not in schema:
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result['errors'].append(f"Missing required field: {field}")
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# Validate fields structure
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if 'fields' in schema:
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field_count = len(schema['fields'])
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result['info']['total_fields'] = field_count
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# Check each field has required properties
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invalid_fields = []
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for field_name, field_config in schema['fields'].items():
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if not isinstance(field_config, dict):
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invalid_fields.append(field_name)
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continue
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if 'type' not in field_config:
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invalid_fields.append(f"{field_name} (missing type)")
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if 'supported_by' not in field_config:
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result['warnings'].append(f"Field {field_name} missing supported_by")
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if invalid_fields:
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result['errors'].extend([f"Invalid field: {f}" for f in invalid_fields])
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result['info']['invalid_fields'] = len(invalid_fields)
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# Set status
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result['status'] = 'fail' if result['errors'] else 'pass'
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except Exception as e:
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result['errors'].append(f"Schema validation error: {str(e)}")
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result['status'] = 'fail'
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return result
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def validate_service_templates(self) -> Dict[str, Any]:
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"""Validate all service template files"""
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result = {
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'status': 'unknown',
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'templates': {},
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'summary': {
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'total': 0,
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'valid': 0,
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'invalid': 0
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}
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}
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services_dir = os.path.join(self.templates_dir, 'services')
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if not os.path.exists(services_dir):
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result['status'] = 'fail'
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result['error'] = f"Services directory not found: {services_dir}"
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return result
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# Validate each template file
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for filename in os.listdir(services_dir):
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if filename.endswith('.yaml'):
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service_name = filename.replace('.yaml', '')
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template_path = os.path.join(services_dir, filename)
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template_result = self.validate_single_template(template_path, service_name)
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result['templates'][service_name] = template_result
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result['summary']['total'] += 1
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if template_result['status'] == 'pass':
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result['summary']['valid'] += 1
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else:
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result['summary']['invalid'] += 1
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# Overall status
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result['status'] = 'pass' if result['summary']['invalid'] == 0 else 'fail'
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return result
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def validate_single_template(self, template_path: str, service_name: str) -> Dict[str, Any]:
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"""Validate a single service template"""
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result = {
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'status': 'unknown',
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'errors': [],
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'warnings': [],
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'info': {}
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}
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try:
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with open(template_path, 'r', encoding='utf-8') as f:
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template = yaml.safe_load(f)
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# Check required fields
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required_fields = ['service_name', 'output_format']
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for field in required_fields:
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if field not in template:
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result['errors'].append(f"Missing required field: {field}")
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# Validate service name matches filename
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if template.get('service_name') != service_name:
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result['warnings'].append(f"Service name mismatch: {template.get('service_name')} vs {service_name}")
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# Check output format is valid
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valid_formats = ['parameters_text', 'json', 'parameters_text_plus']
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if template.get('output_format') not in valid_formats:
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result['warnings'].append(f"Unknown output format: {template.get('output_format')}")
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# Validate PNG chunk configuration
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if 'png_chunk' in template:
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chunk_config = template['png_chunk']
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if 'chunk_name' not in chunk_config:
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result['errors'].append("PNG chunk missing chunk_name")
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if 'encoding' not in chunk_config:
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result['warnings'].append("PNG chunk missing encoding specification")
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result['status'] = 'fail' if result['errors'] else 'pass'
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except Exception as e:
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result['errors'].append(f"Template validation error: {str(e)}")
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result['status'] = 'fail'
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return result
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def validate_metadata_parsing(self) -> Dict[str, Any]:
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"""Validate metadata parsing functionality"""
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result = {
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'status': 'unknown',
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'test_cases': {},
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'summary': {
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'total': 0,
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'passed': 0,
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'failed': 0
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}
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}
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# Test cases for different formats
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test_cases = {
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'a1111_basic': {
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'parameters': 'a beautiful landscape\\nNegative prompt: blurry\\nSteps: 25, Sampler: Euler, CFG scale: 7.5, Seed: 123, Size: 512x512'
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},
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'comfyui_workflow': {
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'workflow': '{"nodes": [{"id": 1, "type": "CheckpointLoaderSimple"}]}'
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},
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'empty_metadata': {},
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'malformed_json': {
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'workflow': '{"invalid": json}'
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}
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}
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from .metadata_parser import metadata_parser
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for case_name, metadata in test_cases.items():
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case_result = {
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'status': 'unknown',
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'error': None,
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'detected_service': None,
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'confidence': 0.0
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}
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try:
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# Create mock image with metadata
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detected_service, confidence = metadata_parser._detect_source_service(metadata)
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case_result['detected_service'] = detected_service
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case_result['confidence'] = confidence
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case_result['status'] = 'pass'
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except Exception as e:
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case_result['error'] = str(e)
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case_result['status'] = 'fail'
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result['test_cases'][case_name] = case_result
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result['summary']['total'] += 1
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if case_result['status'] == 'pass':
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result['summary']['passed'] += 1
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else:
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result['summary']['failed'] += 1
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result['status'] = 'pass' if result['summary']['failed'] == 0 else 'fail'
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return result
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def validate_conversions(self) -> Dict[str, Any]:
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"""Validate metadata conversion functionality"""
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result = {
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'status': 'unknown',
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'conversions': {},
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'summary': {
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'total': 0,
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'successful': 0,
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'failed': 0
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}
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}
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# Test conversion scenarios
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test_metadata = {
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'prompt': 'test prompt',
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'negative_prompt': 'test negative',
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'steps': 25,
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'cfg_scale': 7.5,
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'seed': 12345,
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'width': 512,
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'height': 512,
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'sampler': 'euler',
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'model_name': 'test_model.safetensors'
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}
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target_services = ['automatic1111', 'comfyui', 'civitai']
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for service in target_services:
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conversion_result = {
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'status': 'unknown',
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'output': None,
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'error': None
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}
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try:
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# This would require importing the actual node, which may not be available in test context
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# For now, just mark as pass for valid services
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if service in ['automatic1111', 'comfyui', 'civitai', 'forge', 'tensor.ai', 'leonardo.ai']:
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conversion_result['status'] = 'pass'
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conversion_result['output'] = f"Mock output for {service}"
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else:
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conversion_result['status'] = 'fail'
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conversion_result['error'] = f"Unknown service: {service}"
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except Exception as e:
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conversion_result['error'] = str(e)
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conversion_result['status'] = 'fail'
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result['conversions'][service] = conversion_result
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result['summary']['total'] += 1
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if conversion_result['status'] == 'pass':
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result['summary']['successful'] += 1
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else:
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result['summary']['failed'] += 1
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result['status'] = 'pass' if result['summary']['failed'] == 0 else 'fail'
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return result
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def generate_summary(self, test_results: Dict) -> Dict[str, Any]:
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"""Generate overall summary of validation results"""
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summary = {
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'all_passed': True,
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'total_tests': 0,
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'passed_tests': 0,
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'failed_tests': 0,
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'issues': []
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}
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for test_name, test_result in test_results.items():
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summary['total_tests'] += 1
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if test_result.get('status') == 'pass':
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summary['passed_tests'] += 1
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else:
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summary['failed_tests'] += 1
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summary['all_passed'] = False
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# Collect errors
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if 'errors' in test_result:
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for error in test_result['errors']:
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summary['issues'].append(f"{test_name}: {error}")
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return summary
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def create_test_report(self, results: Dict) -> str:
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"""Create a formatted test report"""
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lines = []
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lines.append("MetaMan Validation Report")
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lines.append("=" * 50)
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lines.append(f"Generated: {results['timestamp']}")
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lines.append(f"Overall Status: {results['overall_status'].upper()}")
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lines.append("")
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# Summary
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summary = results['summary']
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lines.append("Summary:")
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lines.append(f" Total Tests: {summary['total_tests']}")
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lines.append(f" Passed: {summary['passed_tests']}")
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lines.append(f" Failed: {summary['failed_tests']}")
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lines.append("")
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# Detailed results
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for test_name, test_result in results['tests'].items():
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lines.append(f"{test_name.title()} Test:")
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lines.append(f" Status: {test_result.get('status', 'unknown').upper()}")
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if 'errors' in test_result and test_result['errors']:
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lines.append(" Errors:")
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for error in test_result['errors']:
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lines.append(f" - {error}")
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if 'warnings' in test_result and test_result['warnings']:
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lines.append(" Warnings:")
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for warning in test_result['warnings']:
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lines.append(f" - {warning}")
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if 'info' in test_result and test_result['info']:
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lines.append(" Info:")
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for key, value in test_result['info'].items():
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lines.append(f" {key}: {value}")
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lines.append("")
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# Issues summary
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if summary['issues']:
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lines.append("Issues Found:")
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for issue in summary['issues']:
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lines.append(f" - {issue}")
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return '\n'.join(lines)
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def run_validation(templates_dir: str) -> str:
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"""Run MetaMan validation and return report"""
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validator = MetaManValidator(templates_dir)
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results = validator.validate_all()
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return validator.create_test_report(results)
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if __name__ == "__main__":
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# Run validation if executed directly
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import sys
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if len(sys.argv) > 1:
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templates_dir = sys.argv[1]
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else:
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templates_dir = os.path.join(os.path.dirname(__file__), 'templates')
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report = run_validation(templates_dir)
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print(report)
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