backend/test_local.py

import sys
sys.path.append("c:/Users/Vasanth kumar/OneDrive/Desktop/new_clg_project/backend")
import numpy as np
import cv2
import json
import traceback

try:
    from models.face_mesh import process_frame
    from models.face_model import predict_emotion
    
    frame = np.random.randint(0, 255, (480, 640, 3), dtype=np.uint8)
    print("Testing process_frame...")
    mesh_result = process_frame(frame)
    print("Mesh:", "Success" if "detected" in mesh_result else "Fail")

    print("Testing predict_emotion...")
    landmarks = [{'x': 0.5, 'y': 0.5, 'z': 0}] * 468
    res = predict_emotion(frame, landmarks)
    print("Dict Output:", res)

    print("Testing JSON Serialization (FastAPI behavior)...")
    json.dumps(res)
    print("JSON Serialization OK!")
    
except Exception as e:
    traceback.print_exc()