def test_parser_errors():
assert_raises(parser.ParserError, parser.parse_verb,
lexicon.scan("something go"))
assert_raises(parser.ParserError, parser.parse_object,
lexicon.scan("something princess"))
assert_raises(parser.ParserError, parser.parse_subject,
lexicon.scan("something south"), ('noun', 'princess'))
#try:
# result = parser.parse_sentence( lexicon.scan("new princess go south") )
#except parser.ParserError:
# return True
# Use assert_raises for excception catching and comparison but takes Exception type, the callable
# arguments
assert_raises(parser.ParserError, parser.parse_sentence,
lexicon.scan("new princess go south"))
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_errors():
assert_equal(lexicon.scan('ASDFADFASDF'), [('error', "ASDFADFASDF")])
result = lexicon.scan('bear IAS princess')
assert_equal(result, [('noun', 'bear'), ('error', 'IAS'),
('noun', 'princess')])
def test_nouns():
assert_equal(lexicon.scan('bear'), [('noun', 'bear')])
result = lexicon.scan("3 91234")
assert_equal(result, [('number', 3), ('number', 91234)])
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_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_parser_sentence():
result = parser.parse_sentence(lexicon.scan("the princess go south"))
expected = parser.Sentence(('noun', 'princess'), ('verb', 'go'),
('direction', 'south'))
assert_equal(result, expected)
def test_parser_subject():
result = parser.parse_subject(lexicon.scan('go south'), ('noun', 'player'))
assert_equal(
result,
parser.Sentence(('noun', 'player'), ('verb', 'go'),
('direction', 'south')))
def test_parser_object():
assert_equal(parser.parse_object(lexicon.scan('south')),
('direction', 'south')) # direction check
assert_equal(parser.parse_object(lexicon.scan('princess')),
('noun', 'princess')) # noun check
def test_parser_verb():
"""test the parser for verb, object, subject then for sentence with subject start and verb start"""
# single word sentence
assert_equal(parser.parse_verb(lexicon.scan('go')),
('verb', 'go')) # verb test