# -*- coding: utf-8 -*-
"""
Tests some unicode CSV solutions available for Python.
"""

from __future__ import unicode_literals

import sys

TESTS = {
    'German': [u'Straße', u'auslösen', u'zerstören'],
    'French': [u'français', u'américaine', u'épais'],
    'Chinese': [u'中國的', u'英語', u'美國人']
}


def perform_test_python2(csv):
    from io import BytesIO

    buffer = BytesIO()
    writer = csv.writer(buffer, encoding='UTF-8')
    writer.writerows([TESTS.keys()])
    for i_row in zip(*TESTS.values()):
        writer.writerows([i_row])


def perform_test_python3(csv):
    from io import StringIO

    buffer = StringIO()
    writer = csv.writer(buffer)
    writer.writerows([TESTS.keys()])
    for i_row in zip(*TESTS.values()):
        writer.writerows([i_row])

def perform_test(csv):
    try:
        sys.stdout.write('  Python 2 syntax: ')
        perform_test_python2(csv)
    except Exception as e:
        print("  ERROR")
    else:
        print("  OK")

    try:
        sys.stdout.write('  Python 3 syntax: ')
        perform_test_python3(csv)
    except Exception as e:
        print("  ERROR")
    else:
        print("  OK")

print("Using csv")
import csv
perform_test(csv)

print("Using unicodecsv")
import unicodecsv
perform_test(unicodecsv)

print("Using csv342")
import csv342
perform_test(csv342)

print("Using csv23")
import csv23
perform_test(csv23)