import pytest

def test_import_tqdm_tqdm():
    """tqdm is a neat utility library for simple display of progress in loops"""
    from tqdm import tqdm
    return

def test_import_numpy():
    """numpy is useful to evaluate multiple entries simultaneously, as boolean operations (e.g., greater than) are efficiently handled"""
    import numpy as np
    return

def test_import_pandas():
    """pandas is useful to handle dataframes and read from .csv or .json files, which can be collected into joint DataFrame objects"""
    import pandas as pd
    return

def test_import_flask():
    """flask is a WSGI framework for quick and easy design of web-based applications"""
    import flask
    from flask import Flask,  Blueprint, request
    return

def test_import_flask_specific_objects():
    """common flask objects, such as the Flask api object, the Blueprint and requests"""
    from flask import Flask,  Blueprint, request
    return



def test_import_mysql_connector():
    """the 'mysql.connector' Object is used for the BreCal server database"""
    import mysql.connector
    return

def test_import_pydapper():
    """is a library that provides convenient methods for database related work"""
    import pydapper
    return

def test_import_webargs():
    """currently used in ~/brecal/src/server/BreCal/api/berths.py"""
    import webargs
    from webargs.flaskparser import parser
    return

def test_import_mashmallow():
    """currently used in ~/brecal/src/server/BreCal/api/shipcalls.py"""
    import marshmallow
    from marshmallow import Schema, fields
    return

def test_import_flask_jwt_extended():
    """currently used in ~/brecal/src/server/BreCal/api/login.py"""
    import flask_jwt_extended
    from flask_jwt_extended import create_access_token
    return

def test_import_pyjwt():
    """currently used in ~/brecal/src/server/BreCal/services/jwt_handler.py"""
    import jwt
    return

def test_import_bcrypt():
    """currently used in ~/brecal/src/server/BreCal/impl/login.py"""
    import bcrypt
    return

def test_import_math():
    """math.isclose can be interesting to measure differences between two times (e.g., to ignore milliseconds)"""
    import math
    math.isclose
    return

def test_import_datetime():
    """datetime is the default library for times"""
    import datetime
    datetime.datetime.now()
    return


if __name__=="__main__":
    test_import_tqdm_tqdm()
    test_import_pandas()
    test_import_flask()