def test_parse_sentence():
line = "Go north"
word_list = parser.scan(line)
sentence = parser.parse_sentence(word_list)
assert_equals(sentence.subject, 'Player')
assert_equals(sentence.verb.lower(), 'go')
assert_equals(sentence.obj, 'north')
def test_parse_exception():
line = "go go go"
word_list = parser.scan(line)
assert_raises(parser.ParseError, parser.parse_sentence, word_list)
def test_directions():
assert_equals(parser.scan("north"), [('direction', 'north')])
result = parser.scan("north south east")
assert_equals(result, [('direction', 'north'),
('direction', 'south'),
('direction', 'east')])
def test_errors():
assert_equals(parser.scan("ASDFADFASDF"), [('error', 'ASDFADFASDF')])
result = parser.scan("bear IAS princess")
assert_equals(result, [('noun', 'bear'),
('error', 'IAS'),
('noun', 'princess')])
def test_numbers():
assert_equals(parser.scan("1234"), [('number', 1234)])
result = parser.scan("3 91234")
assert_equals(result, [('number', 3),
('number', 91234)])
def test_nouns():
assert_equals(parser.scan("bear"), [('noun', 'bear')])
result = parser.scan("bear princess")
assert_equals(result, [('noun', 'bear'),
('noun', 'princess')])
def test_stops():
assert_equals(parser.scan("the"), [('stop', 'the')])
result = parser.scan("the in of")
assert_equals(result, [('stop', 'the'),
('stop', 'in'),
('stop', 'of')])
def test_verbs():
assert_equals(parser.scan("go"), [('verb', 'go')])
result = parser.scan("go kill Eat")
assert_equals(result, [('verb', 'go'),
('verb', 'kill'),
('verb', 'Eat')])