How to Run an Integration Test with Docker Compose Mock in Python

import subprocess
import json
from typing import Dict

def run_integration_test() -> Dict[str, str]:
    """
    Simulates an integration test against a docker-compose environment
    using a mock service that returns canned responses.
    """
    # Mock docker-compose environment check
    env_ready = subprocess.run(
        ["docker", "compose", "config", "--quiet"],
        capture_output=True,
        text=True
    )
    
    if env_ready.returncode != 0:
        return {"status": "failed", "detail": "docker-compose config invalid"}
    
    # Mock service health check (simulates actual HTTP call)
    mock_health = {"status": "healthy", "service": "api", "port": 8080}
    
    # Mock business logic test
    mock_response = {
        "test": "user_creation",
        "input": {"name": "Alice", "email": "alice@example.com"},
        "output": {"id": "12345", "created": True}
    }
    
    # Simulate integration assertions
    assert mock_health["status"] == "healthy", "Service unhealthy"
    assert mock_response["output"]["created"] == True, "Creation failed"
    
    return {
        "status": "passed",
        "environment": "docker-compose:mock",
        "test_count": 3,
        "services_checked": ["api", "db", "cache"]
    }

if __name__ == "__main__":
    result = run_integration_test()
    print(json.dumps(result, indent=2))