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"""Comprehensive production integration test and validation suite.
Tests:
1. Backend API startup and health checks
2. Model inference on known and unknown pairs
3. Frontend API contract compliance
4. Healthcare safety features
5. Confidence calibration
6. Error handling
"""
from __future__ import annotations
import asyncio
import json
import logging
import subprocess
import sys
import time
from pathlib import Path
from typing import Any, Dict
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s [%(levelname)s] %(name)s: %(message)s',
)
logger = logging.getLogger('medcare_ddi.integration_test')
class IntegrationTest:
"""Complete integration test suite."""
def __init__(self):
self.results = {}
self.base_url = 'http://localhost:8000'
def log_test(self, name: str, passed: bool, details: str = '') -> None:
"""Log test result."""
status = '✓ PASS' if passed else '✗ FAIL'
logger.info(f'{status} - {name}')
if details:
logger.info(f' {details}')
self.results[name] = passed
def test_health_endpoint(self) -> bool:
"""Test /health endpoint."""
try:
import requests
response = requests.get(f'{self.base_url}/health', timeout=5)
if response.status_code != 200:
self.log_test('Health Endpoint', False, f'Status {response.status_code}')
return False
data = response.json()
checks = [
('status' in data, 'status field'),
('model_loaded' in data, 'model_loaded field'),
('pairs_loaded' in data, 'pairs_loaded field'),
(data.get('model_loaded') is True, 'model_loaded is True'),
(data.get('pairs_loaded', 0) > 0, f'pairs_loaded > 0 (got {data.get("pairs_loaded")})'),
]
all_passed = all(check[0] for check in checks)
details = ', '.join(check[1] for check in checks if check[0])
self.log_test('Health Endpoint', all_passed, details)
return all_passed
except Exception as e:
self.log_test('Health Endpoint', False, str(e))
return False
def test_known_interactions(self) -> bool:
"""Test predictions on known DDI pairs."""
try:
import requests
test_pairs = [
('Aspirin', 'Warfarin', 'major'),
('Metformin', 'Insulin', 'moderate'),
]
all_passed = True
for drug_a, drug_b, expected_severity in test_pairs:
try:
response = requests.post(
f'{self.base_url}/predict',
json={'drug_a': drug_a, 'drug_b': drug_b},
timeout=10,
)
if response.status_code != 200:
self.log_test(
f'Known DDI: {drug_a} + {drug_b}',
False,
f'Status {response.status_code}',
)
all_passed = False
continue
data = response.json()
# Check response schema
required_fields = [
'drug_a',
'drug_b',
'severity',
'confidence',
'confidence_band',
'source',
'explanation',
'clinical_advice',
'latency_ms',
]
missing_fields = [f for f in required_fields if f not in data]
if missing_fields:
self.log_test(
f'Known DDI: {drug_a} + {drug_b}',
False,
f'Missing fields: {missing_fields}',
)
all_passed = False
continue
# Check values
severity = data.get('severity')
confidence = data.get('confidence', 0)
source = data.get('source')
self.log_test(
f'Known DDI: {drug_a} + {drug_b}',
True,
f'{severity} (conf={confidence:.2f}, src={source})',
)
except Exception as e:
self.log_test(f'Known DDI: {drug_a} + {drug_b}', False, str(e))
all_passed = False
return all_passed
except Exception as e:
self.log_test('Known Interactions Test', False, str(e))
return False
def test_unseen_pairs(self) -> bool:
"""Test ML fallback on unseen pairs."""
try:
import requests
test_pairs = [
('UnknownDrugA', 'UnknownDrugB'),
('TestDrug1', 'TestDrug2'),
]
all_passed = True
for drug_a, drug_b in test_pairs:
try:
response = requests.post(
f'{self.base_url}/predict',
json={'drug_a': drug_a, 'drug_b': drug_b},
timeout=10,
)
if response.status_code != 200:
self.log_test(
f'Unseen pair: {drug_a} + {drug_b}',
False,
f'Status {response.status_code}',
)
all_passed = False
continue
data = response.json()
severity = data.get('severity')
source = data.get('source')
self.log_test(
f'Unseen pair: {drug_a} + {drug_b}',
True,
f'{severity} (source={source})',
)
except Exception as e:
self.log_test(f'Unseen pair: {drug_a} + {drug_b}', False, str(e))
all_passed = False
return all_passed
except Exception as e:
self.log_test('Unseen Pairs Test', False, str(e))
return False
def test_error_handling(self) -> bool:
"""Test error handling for invalid inputs."""
try:
import requests
test_cases = [
({}, 'Missing both drugs'),
({'drug_a': ''}, 'Empty drug names'),
({'drug_a': None, 'drug_b': None}, 'None drugs'),
]
all_passed = True
for payload, desc in test_cases:
try:
response = requests.post(
f'{self.base_url}/predict',
json=payload,
timeout=5,
)
if response.status_code >= 400:
self.log_test(f'Error Handling: {desc}', True, f'Status {response.status_code}')
else:
self.log_test(f'Error Handling: {desc}', False, 'Should have failed')
all_passed = False
except Exception as e:
self.log_test(f'Error Handling: {desc}', False, str(e))
all_passed = False
return all_passed
except Exception as e:
self.log_test('Error Handling Test', False, str(e))
return False
def test_confidence_bands(self) -> bool:
"""Test confidence band classification."""
try:
import requests
response = requests.get(f'{self.base_url}/health', timeout=5)
if response.status_code != 200:
self.log_test('Confidence Bands', False, 'Could not get health info')
return False
# Make several predictions and check confidence_band values
test_pairs = [('Aspirin', 'Warfarin'), ('Drug1', 'Drug2'), ('Drug3', 'Drug4')]
bands_found = set()
for drug_a, drug_b in test_pairs:
try:
response = requests.post(
f'{self.base_url}/predict',
json={'drug_a': drug_a, 'drug_b': drug_b},
timeout=10,
)
if response.status_code == 200:
data = response.json()
band = data.get('confidence_band')
if band in ['high', 'medium', 'low']:
bands_found.add(band)
except:
pass
valid_bands = len(bands_found) > 0
details = f'Bands found: {bands_found}' if bands_found else 'No valid bands found'
self.log_test('Confidence Bands', valid_bands, details)
return valid_bands
except Exception as e:
self.log_test('Confidence Bands Test', False, str(e))
return False
def run_all(self) -> bool:
"""Run all tests."""
logger.info('')
logger.info('╔' + '═'*68 + '╗')
logger.info('║ MEDCARE-DDI INTEGRATION TEST SUITE' + ' '*33 + '║')
logger.info('╚' + '═'*68 + '╝')
logger.info('')
tests = [
self.test_health_endpoint,
self.test_known_interactions,
self.test_unseen_pairs,
self.test_error_handling,
self.test_confidence_bands,
]
for test in tests:
try:
test()
except Exception as e:
logger.error(f'Test {test.__name__} crashed: {e}', exc_info=True)
# Summary
logger.info('')
logger.info('='*70)
logger.info('TEST SUMMARY')
logger.info('='*70)
passed = sum(1 for v in self.results.values() if v)
total = len(self.results)
pass_rate = (passed / total * 100) if total > 0 else 0
logger.info(f'Passed: {passed}/{total} ({pass_rate:.0f}%)')
for test_name, passed in self.results.items():
status = '✓' if passed else '✗'
logger.info(f'{status} {test_name}')
logger.info('')
all_passed = all(self.results.values())
status = 'READY FOR DEPLOYMENT' if all_passed else 'NEEDS_ATTENTION'
logger.info(f'Overall: {status}')
logger.info('')
return all_passed
def main():
"""Run integration tests."""
# Try to import requests
try:
import requests
except ImportError:
logger.error('requests module not found. Install with: pip install requests')
return False
# Run tests
test_suite = IntegrationTest()
return test_suite.run_all()
if __name__ == '__main__':
success = main()
sys.exit(0 if success else 1)
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