def test_search_failure(self):
dls = DepthLimitedSearch(10)
# 5 - is a goal state but it's unreachable
problem = Problem(1, TestActionsFunction(2), TestResultFunction(), TestGoalTest(5))
result = dls.search(problem)
self.assertFalse(dls.is_cutoff(result))
self.assertTrue(dls.is_failure(result))
def test_search_failure(self):
dls = DepthLimitedSearch(10)
# 5 - is a goal state but it's unreachable
problem = Problem(1, TestActionsFunction(2), TestResultFunction(),
TestGoalTest(5))
result = dls.search(problem)
self.assertFalse(dls.is_cutoff(result))
self.assertTrue(dls.is_failure(result))
def test_search_cutoff(self):
# Here we set depth limit 3...
dls = DepthLimitedSearch(3)
# But result can be found only with limit 4 or more
problem = Problem(1, TestActionsFunction(), TestResultFunction(), TestGoalTest(5))
result = dls.search(problem)
self.assertTrue(dls.is_cutoff(result))
self.assertFalse(dls.is_failure(result))
def test_search_cutoff(self):
# Here we set depth limit 3...
dls = DepthLimitedSearch(3)
# But result can be found only with limit 4 or more
problem = Problem(1, TestActionsFunction(), TestResultFunction(),
TestGoalTest(5))
result = dls.search(problem)
self.assertTrue(dls.is_cutoff(result))
self.assertFalse(dls.is_failure(result))
