笨办法学Python3 习题47-48

习题47 自动化测试

被测试文件

class Room(object):

    def __init__(self, name, description):
        self.name = name
        self.description = description
        self.paths = {}

    def go(self, direction):
        return self.paths.get(direction, None)

    def add_paths(self, paths):
        self.paths.update(paths)

测试文件 

from nose.tools import *
from ex47.game import Room

def test_room():
    gold = Room("GoldRoom", """This room has gold in it you can grab. There's a door to the north""")
    assert_equal(gold.name, "GoldRoom")
    assert_equal(gold.paths, {})

def test_room_paths():
    center = Room("Center", "Test room in the center.")
    north = Room("North", "Test room in the north.")
    south = Room("South", "Test room in the south.")

    center.add_paths({'north': north, 'south': south})
    assert_equal(center.go('north'), north)
    assert_equal(center.go('south'), south)

def test_map():
    start = Room("Start", "You can go west and down a hole.")
    west = Room("Trees", "There are trees down here, you can east.")
    down = Room("Dungeon", "It's dark down here, you can go up.")

    start.add_paths({'west': west, 'down': down})
    west.add_paths({'east': start})
    down.add_paths({'up': start})

    assert_equal(start.go('west'), west)
    assert_equal(start.go('west').go('east'), start)
    assert_equal(start.go('down').go('up'), start)

习题48

测试文件

from nose.tools import *
from ex48 import lexicon

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

def test_verbs():
    assert_equal(lexicon.scan("go"), [('verb', 'go')])
    result = lexicon.scan("go kill eat")
    assert_equal(result, [('verb', 'go'), ('verb', 'kill'), ('verb', 'eat')])

def test_stops():
    assert_equal(lexicon.scan('the'), [('stop', 'the')])
    result = lexicon.scan("the in of")
    assert_equal(result, [('stop', 'the'),('stop', 'in'), ('stop', 'of')])

def test_nouns():
    assert_equal(lexicon.scan("1234"), [(('number'), 1234)])
    result = lexicon.scan("3 91234")
    assert_equal(result, [('number', 3), ('number', 91234)])

def test_errors():
    assert_equal(lexicon.scan("ASDFADFASDF"), [('error', 'ASDFADFASDF')])
    result = lexicon.scan("bear IAS princess")
    assert_equal(result, [('noun', 'bear'), ('error', 'IAS'), ('noun', 'princess')])

被测试文件

参考了

https://blog.csdn.net/jesmine_gu/article/details/81002056

def scan(stuff):
    direction_words = ('north', 'south', 'east')
    verb_words = ('go', 'kill', 'eat')
    stop_words = ('the', 'in', 'of')
    noun_words = ('bear', 'princess')

    #stuff = input('> ')
    words = stuff.split()
    sentence = []
    for word in words:
        try:
            sentence.append(('number', int(word)))
        except ValueError:
            if word in direction_words:
                sentence.append(('direction', word))
            elif word in verb_words:
                sentence.append(('verb', word))
            elif word in stop_words:
                sentence.append(('stop', word))
            elif word in noun_words:
                sentence.append(('noun', word))
            else:
                sentence.append(('error', word))

    return sentence