def test_closurability(self):
num = MutableFloat(1.0)
def add(other):
num.increment(other)
add(2.0)
add(3.0)
add(10)
self.assertEquals(16, num.get_val())
def test_calls_dist_to_other_candidate_when_finding_candidates(self):
counter = MutableFloat(0)
def mock_dist_to_other_candidate_func(other_candidate):
counter.increment(1)
return 0
candidate = ClusterCandidate()
candidate.distance_to_candidate = mock_dist_to_other_candidate_func
candidate.find_neighbors([1, 2, 3, 4, 5], epsilon=0)
self.assertEquals(counter.get_val(), 5)
def test_calls_dist_to_other_candidate_when_finding_candidates(self):
counter = MutableFloat(0)
def mock_dist_to_other_candidate_func(other_candidate):
counter.increment(1)
return 0
candidate = ClusterCandidate()
candidate.distance_to_candidate = mock_dist_to_other_candidate_func
candidate.find_neighbors([1, 2, 3, 4, 5], epsilon=0)
self.assertEquals(counter.get_val(), 5)
def mock_global_dist_func(self, func):
total = MutableFloat(0.0)
def mock(num, other_num):
total.increment(func(num, other_num))
return total.get_val()
return mock
def mock_adder_model_cost_computer(self, func):
total = MutableFloat(0.0)
def mock(num):
total.increment(func(num))
return total.get_val()
return mock
def mock_geometric_series_model_cost_computer(self):
total = MutableFloat(1.0)
def mock(num):
total.multiply(num)
return total.get_val()
return mock
def mean_func():
total = MutableFloat(0.0)
count = MutableNumber(0)
def func(num):
total.increment(num)
count.increment(1)
return total.get_val() / count
def test_all(self):
num = MutableFloat(1.0)
num.increment(3)
num.increment(5)
num.multiply(2)
num.multiply(2)
self.assertEquals(36, num.get_val())
def test_bad_val(self):
self.assertRaises(Exception, MutableFloat, None)
m_float = MutableFloat(0)
self.assertRaises(Exception, m_float.set_val, None)
def get_number_list_reducer_that_returns_each_midway_val(func):
total = MutableFloat(0.0)
def _func(num):
total.increment(func(num))
return total.get_val()
return _func