def test_numbers():
assert_equal(lexicon.scan("1234"), [('number', 1234)])
resutl = lexicon.scan('3 1234')
assert_equal(resutl, [
('number', 3),
('number', 98765),
])
def test_nouns():
assert_equal(lexicon.scan('bear'), [('noun', 'bear')])
result = lexicon.scan('bear princess')
assert_equal(result, [
('noun', 'bear'),
('noun', 'princess'),
])
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_directions():
assert_equal(lexicon.scan("nouth"), [('direction', 'north')])
result = lexicon.scan("north south east")
assert_equal(result, [('direction', 'north'), ('direction', 'south'),
('direction', 'east')])
def test_errors():
assert_equal(lexicon.scan('EIUFEIWUFJN'), [('error', 'FIWEFWEF')])
result = lexicon.scan('bear IAS princess')
assert_equal(result, [('noun', 'bear'), ('error', 'IAS'),
('noun', 'princess')])
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')])