# unscrambletest.py
# Lillian Lee (LJL2) and Steve Marschner (SRM2)
# Mar 3 2014

# You should not need to modify this file

import unscramble
import cornelltest


def test_sort_string_letters():
    t = 'opython'
    cornelltest.assert_equals('hnoopty', unscramble.sort_string_letters(t))
    # Make sure nothing happened to t
    cornelltest.assert_equals('opython', t)

    t = 'typhoon'
    cornelltest.assert_equals('hnoopty', unscramble.sort_string_letters(t))

    t = 'hnoopty'
    cornelltest.assert_equals('hnoopty', unscramble.sort_string_letters(t))

    t = 'bcD'
    cornelltest.assert_equals('Dbc', unscramble.sort_string_letters(t))

    print "finished test of sort_string_letters"

def test_unscramblefn_idea():
    word = 'dead'
    word_rep = 'adde'
    first_rewrite = 'edda' # An anagram of 'dead' known to be the first one
                           # to appear in either scowl_utf-8.txt or
                           # small_dict.txt

    # Demonstrate that word and first_rewrite have the same LSR
    cornelltest.assert_equals(word_rep,
                              unscramble.sort_string_letters(word))

    cornelltest.assert_equals(word_rep,
                              unscramble.sort_string_letters(first_rewrite))

    # Check that the word at the matching position in the original wordlist
    # is indeed the first rewrite, alphabetically, of the word 'dead'
    cornelltest.assert_true(first_rewrite in unscramble.dictionary)
    cornelltest.assert_true(word_rep in unscramble.rep_dict)
    irep = unscramble.rep_dict.index(word_rep)
    cornelltest.assert_true(unscramble.dictionary[irep] == first_rewrite)


    print "finished test of main idea in function unscramble"

if __name__ == '__main__':
    test_sort_string_letters()
    test_unscramblefn_idea()
    print 'All our automatic helper tests for module unscramble passed.'
    print 'BUT, you must run unscramble.py on the command line to see if it works!'