test_app.py

#!/usr/bin/env python3
"""
Test script to verify FastAPI application logic
This simulates what the FastAPI app should return
"""

def greet_json():
    """Simulates the FastAPI endpoint"""
    return {"Hello": "World!"}

# Test the function
print("Testing FastAPI application logic...")
print("-" * 40)

result = greet_json()
print(f"Result: {result}")

# Verify the result
expected = {"Hello": "World!"}
assert result == expected, f"Expected {expected}, got {result}"

print("✅ Test passed!")
print("\nExpected output from / endpoint:")
print(f"  {result}")