import unittest
import sys
sys.path.append('../')
from utils import *
import os
import shutil


class Utils(unittest.TestCase):
    def test_download_pdf(self):
        pdf_info = [('Serverless Applications  Why  When  and How ', 'http://arxiv.org/pdf/2009.08173v2', ['Simon Eismann', 'Joel Scheuner', 'Erwin van Eyk', 'Maximilian Schwinger', 'Johannes Grohmann', 'Cristina L. Abad', 'Alexandru Iosup'], ['cs.SE', 'cs.DC', 'D.2.11; D.2.0; D.2.1'], 'docs', 'Simon Eismann, Joel Scheuner, Erwin van Eyk, Maximilian Schwinger, Johannes Grohmann, Cristina L. Abad, Alexandru Iosup, Serverless Applications  Why  When  and How . arXiv [cs.SE] (2020), (available at http://arxiv.org/pdf/2009.08173v2).')]
        download_pdf(pdf_info)
        dowloaded_dir = 'docs/Serverless Applications  Why  When  and How .pdf'
        assert os.path.exists(dowloaded_dir) == True
        shutil.rmtree(f'docs/')
if __name__ == '__main__':
    unittest.main()