tests/test_lambda.py

import os
import sys
import pytest
import json

current_dir = os.path.dirname(os.path.abspath(__file__))
parent_dir = os.path.dirname(current_dir)
sys.path.insert(0, os.path.dirname(parent_dir))

from lambda_function import lambda_handler

@pytest.fixture
def event():
    json_event = {
        "features": [[6.5, 3.0, 5.8, 2.2], [6.1, 2.8, 4.7, 1.2]]
    }
    return json_event

@pytest.fixture
def context():
    return None

@pytest.fixture
def response_prediction():
    return ["virginica", "versicolor"]


def test_lambda_handler(event, context, response_prediction):
    lambda_response = lambda_handler(event, context)

    assert lambda_response["statusCode"] == 200
    assert json.loads(lambda_response["body"])["predictions"] == response_prediction