# coding=utf-8
"""
Unit testing for cmd2/utils.py module.

Copyright 2018 Todd Leonhardt <todd.leonhardt@gmail.com>
Released under MIT license, see LICENSE file
"""
from colorama import Fore
import cmd2.utils as cu

HELLO_WORLD = 'Hello, world!'


def test_strip_ansi():
    base_str = HELLO_WORLD
    ansi_str =  Fore.GREEN + base_str + Fore.RESET
    assert base_str != ansi_str
    assert base_str == cu.strip_ansi(ansi_str)

def test_strip_quotes_no_quotes():
    base_str = HELLO_WORLD
    stripped = cu.strip_quotes(base_str)
    assert base_str == stripped

def test_strip_quotes_with_quotes():
    base_str = '"' + HELLO_WORLD + '"'
    stripped = cu.strip_quotes(base_str)
    assert stripped == HELLO_WORLD

def test_remove_duplicates_no_duplicates():
    no_dups = [5, 4, 3, 2, 1]
    assert cu.remove_duplicates(no_dups) == no_dups

def test_remove_duplicates_with_duplicates():
    duplicates = [1, 1, 2, 3, 9, 9, 7, 8]
    assert cu.remove_duplicates(duplicates) == [1, 2, 3, 9, 7, 8]

def test_unicode_normalization():
    s1 = 'café'
    s2 = 'cafe\u0301'
    assert s1 != s2
    assert cu.norm_fold(s1) == cu.norm_fold(s2)

def test_unicode_casefold():
    micro = 'µ'
    micro_cf = micro.casefold()
    assert micro != micro_cf
    assert cu.norm_fold(micro) == cu.norm_fold(micro_cf)

def test_alphabetical_sort():
    my_list = ['café', 'µ', 'A' , 'micro', 'unity', 'cafeteria']
    assert cu.alphabetical_sort(my_list) == ['A', 'cafeteria', 'café', 'micro', 'unity', 'µ']