Added more unit tests for utils.py

Author: tleonhardt

tests/test_utils.py

@@ -1,16 +1,52 @@
 # coding=utf-8
 """
-Unit/functional testing for cmd2/utils.py module.
+Unit testing for cmd2/utils.py module.
 
 Copyright 2018 Todd Leonhardt <[email protected]>
 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!'
+    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']