def test_can_use_intermediate_rules():
rule_set = RuleSet()
smell = NonTerminal("SMELL")
rule_set.add(sentence, "You smell of ", smell)
rule_set.add(smell, "elderberries")
rule_set.add(smell, "dogfood")
assert_equals("You smell of elderberries", generate(rule_set, StaticSelector(0, 0)))
assert_equals("You smell of dogfood", generate(rule_set, StaticSelector(0, 1)))
def test_can_generate_empty_sentence():
rule_set = RuleSet()
rule_set.add(sentence)
assert_equals("", generate(rule_set, StaticSelector(0)))
def test_resorts_to_picking_sentence_randomly_from_all_sentences_if_non_terminal_cannot_be_expanded():
rule_set = RuleSet()
rule_set.add(sentence, NonTerminal("RUDE_WORD"))
rule_set.add(sentence, "Go away!")
assert_equals("Go away!", generate(rule_set, StaticSelector(0, 0)));
def test_resorts_to_picking_sentence_randomly_from_all_sentences_if_maximum_depth_is_reached():
rule_set = RuleSet()
rule_set.add(sentence, "B")
rule_set.add(sentence, "A ", sentence)
assert_equals("A A B", generate(rule_set, StaticSelector(1, 1, 1, 2), 3));
def test_selector_is_used_to_pick_rule_when_there_are_many_possible_rules():
rule_set = RuleSet()
rule_set.add(sentence, "I hate you!")
rule_set.add(sentence, "Go to hell!")
assert_equals("I hate you!", generate(rule_set, StaticSelector(0)))
assert_equals("Go to hell!", generate(rule_set, StaticSelector(1)))
def test_adding_rule_to_convert_sentence_to_terminal():
rule_set = RuleSet()
rule_set.add(sentence, "I hate you!")
assert_equals("I hate you!", generate(rule_set, StaticSelector(0)))
#!/usr/bin/env python
import sys
import random
from abuse.parse import parse
from abuse.generate import generate
from abuse.generate import generate_all
from abuse.generate import RuleSet
class RandomSelector(object):
def select(self, lower, upper):
return random.randint(lower, upper - 1)
rule_set = RuleSet()
if "--all" in sys.argv:
sys.argv.remove("--all")
all_abuse = True
else:
all_abuse = False
parse(open(sys.argv[1]).read(), rule_set, [])
if all_abuse:
print "\n".join(generate_all(rule_set))
else:
print generate(rule_set, RandomSelector())