nosetests，python

Question

我正在学习Python，跟着一个指南在写一个简单的“游戏”，需要用到元组、列表和类。

当我运行'nosetests'这个命令时，出现了以下错误：

E.
====================================================================== ERROR:
tests.LEXICON_tests.test_directions
---------------------------------------------------------------------- 
Traceback (most recent call last):  
File "/Library/Python/2.6/site-packages/nose/case.py",
line 187, in runTest
   self.test(*self.arg)   
File "/Users/VB/Documents/svn/Programming/python/projects/lexicon/tests/LEXICON_tests.py",
line 6, in test_directions
   assert_equal(lexicon.scan("north"),
[('directions', 'north')]) TypeError:
unbound method scan() must be called
with lexicon instance as first
argument (got str instance instead)

---------------------------------------------------------------------- Ran 2 tests in 
 0.011s

 FAILED (errors=1) VB MP > ./lexicon.py

 > north [(), ('directions', 'north')] VB MP > ./lexicon.py 
 > north south east [[[(), ('directions', 'north')],
 ('directions', 'south')],
 ('directions', 'east')] VB MP

主文件：

#!/usr/bin/env python
# encoding: utf-8

import sys
import os
from LEXICON.game import lexicon


def main():
    stuff = raw_input('> ') 

    lex = lexicon (stuff)

    split_array = lex.scan(stuff)
    print split_array

    #me = lex.tockens(split_array)
    #print me

if __name__ == '__main__':
    main()

class 
#!/usr/bin/env python
# encoding: utf-8
"""

import sys
import os

class lexicon (object):
    def __init__(self,data):
        self.direction = data
        #self.words = data.split()

    def scan(self,data):
        split_data = data.split()
        lex = lexicon (data)

        tocken = lex.tockens(split_data)


        return tocken

    def tockens(self,splitdata):

        sentence = splitdata
        verbs = ['go','swim','open','punch','fly','stop','kill','eat']
        objekts = ['door','bear','face','princess','cabinet']
        directions = ['north','south','east','west','down','up','left','right','back']
        stopwords = ['the','in','of','from','at','it']


        # setep 1, open the array

        bit = ()
        byte = ()
        for x in sentence:
            # step 2, match against verbs
            for v in verbs:
                try:
                    if (x == v):
                        bit = ('verb',x)
                        byte = [byte, bit]              
                except ValueError:
                    print "Ooops!"
            for o in objekts:
                try:
                    if (x == o):
                        bit = ('objekt',x)
                        byte = [byte, bit]
                except ValueError:
                    print "Ooops!"
            for d in directions:
                try:
                    if (x == d):
                        bit = ('directions',x)
                        byte = [byte, bit]
                except ValueError:
                    print "Ooops!"
            for s in stopwords:
                try:
                    if (x == s):
                        bit = ('stopwords',x)
                        byte = [byte, bit]
                except ValueError:
                    print "Ooops!"

        return byte

测试：

from nose.tools import *
#import LEXICON
from LEXICON.game import lexicon

def test_directions(): 
    assert_equal(lexicon.scan("north"), [('directions', 'north')]) 
    result = lexicon.scan("north south east") 
    assert_equal(result, [('directions', 'north'),
                          ('directions', 'south'), 
                          ('directions', 'east')])

谢谢！

元组列表类 nosetests 测试

nosetests，python

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