def test_update_visio_range_when_number_neighbors_is_less_than_maximum_neighbors( self): glowworm1 = Glowworm(self.landscape_position1, self.gso_parameters) glowworm2 = Glowworm(self.landscape_position7, self.gso_parameters) glowworm3 = Glowworm(self.landscape_position8, self.gso_parameters) glowworm1.luciferin = 3.0 glowworm1.vision_range = 2.0 glowworm1.max_vision_range = 1.0 glowworm2.luciferin = 4.0 glowworm2.vision_range = 2.0 glowworm2.max_vision_range = 1.0 glowworm3.luciferin = 5.0 glowworm3.vision_range = 2.0 glowworm3.max_vision_range = 1.0 glowworm1.neighbors = [glowworm2, glowworm3] glowworm1.update_vision_range() assert_almost_equals(1.0, glowworm1.vision_range)
def test_select_a_glowworm_by_random_number(self): glowworm1 = Glowworm(self.landscape_position1, self.gso_parameters) glowworm2 = Glowworm(self.landscape_position7, self.gso_parameters) glowworm3 = Glowworm(self.landscape_position8, self.gso_parameters) glowworm4 = Glowworm(self.landscape_position9, self.gso_parameters) glowworm1.luciferin = 3.0 glowworm1.vision_range = 1.0 glowworm2.luciferin = 4.0 glowworm2.vision_range = 1.0 glowworm3.luciferin = 5.0 glowworm3.vision_range = 1.0 glowworm4.luciferin = 6.0 glowworm4.vision_range = 1.0 glowworm1.neighbors = [glowworm2, glowworm3, glowworm4] glowworm1.probabilities = [1.0 / 6.0, 2.0 / 6.0, 3.0 / 6.0] assert glowworm4 == glowworm1.select_random_neighbor(0.55) assert glowworm2 == glowworm1.select_random_neighbor(0.1) assert glowworm3 == glowworm1.select_random_neighbor(0.2)
def test_compute_probability_moving_toward_neighbor(self): glowworm1 = Glowworm(self.landscape_position1, self.gso_parameters) glowworm2 = Glowworm(self.landscape_position7, self.gso_parameters) glowworm3 = Glowworm(self.landscape_position8, self.gso_parameters) glowworm4 = Glowworm(self.landscape_position9, self.gso_parameters) glowworm1.luciferin = 3.0 glowworm1.vision_range = 1.0 glowworm2.luciferin = 4.0 glowworm2.vision_range = 1.0 glowworm3.luciferin = 5.0 glowworm3.vision_range = 1.0 glowworm4.luciferin = 6.0 glowworm4.vision_range = 1.0 glowworm1.neighbors = [glowworm2, glowworm3, glowworm4] glowworm1.compute_probability_moving_toward_neighbor() assert_almost_equals(1.0 / 6.0, glowworm1.probabilities[0]) assert_almost_equals(2.0 / 6.0, glowworm1.probabilities[1]) assert_almost_equals(3.0 / 6.0, glowworm1.probabilities[2])