test.py

"""
Test script to verify Flask API is working correctly
Run this after starting the Flask app to test all endpoints
"""

import requests
import json

# Base URL of your Flask app
BASE_URL = "http://localhost:5000"

def test_api():
    print("🔧 Testing Multi-Format Converter API\n")
    print("=" * 50)
    
    # Test data
    test_json = {
        "application": {
            "name": "Test App",
            "version": "1.0.0",
            "features": ["json", "yaml", "xml"],
            "settings": {
                "theme": "dark",
                "enabled": True
            }
        }
    }
    
    # Test 1: Convert JSON to YAML
    print("\n📝 Test 1: JSON → YAML Conversion")
    try:
        response = requests.post(
            f"{BASE_URL}/api/convert",
            json={
                "input_format": "json",
                "output_format": "yaml",
                "content": json.dumps(test_json),
                "prettify": True
            }
        )
        
        if response.status_code == 200:
            data = response.json()
            if data.get("success"):
                print("✅ SUCCESS: JSON to YAML conversion working")
                print("Output preview:")
                print(data["output"][:200] + "..." if len(data["output"]) > 200 else data["output"])
            else:
                print("❌ FAILED: " + data.get("error", "Unknown error"))
        else:
            print(f"❌ FAILED: HTTP {response.status_code}")
    except requests.exceptions.ConnectionError:
        print("❌ FAILED: Cannot connect to Flask app. Is it running?")
    except Exception as e:
        print(f"❌ FAILED: {str(e)}")
    
    # Test 2: Validate JSON
    print("\n📝 Test 2: JSON Validation")
    try:
        response = requests.post(
            f"{BASE_URL}/api/validate",
            json={
                "format": "json",
                "content": json.dumps(test_json)
            }
        )
        
        if response.status_code == 200:
            data = response.json()
            if data.get("valid"):
                print("✅ SUCCESS: JSON validation working")
            else:
                print("❌ FAILED: Invalid JSON")
        else:
            print(f"❌ FAILED: HTTP {response.status_code}")
    except:
        print("❌ FAILED: Validation endpoint not responding")
    
    # Test 3: Invalid JSON handling
    print("\n📝 Test 3: Invalid JSON Handling")
    try:
        response = requests.post(
            f"{BASE_URL}/api/convert",
            json={
                "input_format": "json",
                "output_format": "yaml",
                "content": "{invalid json}",
                "prettify": True
            }
        )
        
        if response.status_code == 400:
            print("✅ SUCCESS: Invalid JSON properly rejected")
        else:
            print("❌ FAILED: Should return 400 for invalid JSON")
    except:
        print("❌ FAILED: Error handling test failed")
    
    # Test 4: Convert JSON to XML
    print("\n📝 Test 4: JSON → XML Conversion")
    try:
        response = requests.post(
            f"{BASE_URL}/api/convert",
            json={
                "input_format": "json",
                "output_format": "xml",
                "content": json.dumps(test_json),
                "prettify": True
            }
        )
        
        if response.status_code == 200:
            data = response.json()
            if data.get("success"):
                print("✅ SUCCESS: JSON to XML conversion working")
            else:
                print("❌ FAILED: " + data.get("error", "Unknown error"))
        else:
            print(f"❌ FAILED: HTTP {response.status_code}")
    except:
        print("❌ FAILED: XML conversion not working")
    
    # Test 5: Prettify
    print("\n📝 Test 5: Prettify Function")
    try:
        response = requests.post(
            f"{BASE_URL}/api/prettify",
            json={
                "format": "json",
                "content": '{"compact":true,"no_spaces":123}'
            }
        )
        
        if response.status_code == 200:
            data = response.json()
            if data.get("success"):
                print("✅ SUCCESS: Prettify working")
            else:
                print("❌ FAILED: " + data.get("error", "Unknown error"))
        else:
            print(f"❌ FAILED: HTTP {response.status_code}")
    except:
        print("❌ FAILED: Prettify endpoint not working")
    
    print("\n" + "=" * 50)
    print("\n🎯 Testing Complete!\n")
    print("If all tests passed, your Flask backend is ready!")
    print("Open http://localhost:5000 in your browser to use the app.\n")

if __name__ == "__main__":
    # Check if Flask is running
    print("\n🔍 Checking Flask server...")
    try:
        response = requests.get(BASE_URL, timeout=2)
        print("✅ Flask server is running at", BASE_URL)
        test_api()
    except requests.exceptions.ConnectionError:
        print("❌ Flask server is not running!")
        print("\nTo start the server:")
        print("1. Open a terminal")
        print("2. Navigate to your project folder")
        print("3. Run: python app.py")
        print("\nThen run this test script again.")
    except Exception as e:
        print(f"❌ Error: {str(e)}")

# Usage:
# 1. Start Flask app: python app.py
# 2. Run this test: python test_api.py