def test_validate_file(self):
#Validate correct file type
a1_obj = AnalyzeShare(self.csv_test_file)
self.assertEqual(a1_obj.validate_file(), True)
#validate wrong file, file not exist
a2_obj = AnalyzeShare('Random.csv')
self.assertEqual(a2_obj.validate_file(), False)
#validate wrong file type, txt is not supported
a3_obj = AnalyzeShare('test.txt')
self.assertEqual(a3_obj.validate_file(), False)
