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from unittest import TestCase |
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import numpy as np |
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import unittest.mock as mo |
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from grortir.main.pso.swarm import Swarm |
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class TestSwarm(TestCase): |
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def setUp(self): |
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self.stages = mo.Mock() |
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self.process = mo.Mock() |
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self.number_of_particles = 40 |
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self.tested_object = Swarm(self.process, self.stages, |
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self.number_of_particles) |
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self.mock_of_swarm = mo.Mock() |
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self.mock_of_particle_1 = mo.Mock() |
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self.mock_of_particle_2 = mo.Mock() |
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self.mock_of_swarm.particles = [self.mock_of_particle_1, |
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self.mock_of_particle_2] |
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self.mock_of_best_particle = mo.Mock() |
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self.mock_of_swarm.best_particle = self.mock_of_best_particle |
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def test_constructor(self): |
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self.assertIsNotNone(self.tested_object) |
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self.assertEqual(self.stages, self.tested_object.stages) |
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self.assertEqual(self.tested_object.number_of_particles, |
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self.number_of_particles) |
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def test_initialize(self): |
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Swarm.initialize(self.mock_of_swarm) |
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self.mock_of_particle_1.initialize.assert_any_call() |
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self.mock_of_particle_2.initialize.assert_any_call() |
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def test_do_single_iteration(self): |
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self.mock_of_swarm.particles = [self.mock_of_particle_1, |
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self.mock_of_particle_1] |
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expected_calls_particle = [mo.call.update_values(), |
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mo.call.update_values(), |
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mo.call.move(), mo.call.move()] |
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expected_calls_swarm = [mo.call._update_best_particle(), |
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mo.call._update_velocieties()] |
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Swarm.do_single_iteration(self.mock_of_swarm) |
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self.assertListEqual(expected_calls_particle, |
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self.mock_of_particle_1.method_calls) |
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self.assertListEqual(expected_calls_swarm, |
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self.mock_of_swarm.method_calls) |
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def test__update_best_particle_1(self): |
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self.mock_of_swarm.best_particle_quality = np.inf |
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self.mock_of_particle_1.best_quality = 7 |
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self.mock_of_particle_2.best_quality = 6 |
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Swarm._update_best_particle(self.mock_of_swarm) |
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self.assertEqual(self.mock_of_swarm.best_particle_quality, 6) |
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self.assertEqual(self.mock_of_swarm.best_particle, |
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self.mock_of_particle_2) |
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def test__update_best_particle_2(self): |
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self.mock_of_swarm.best_particle_quality = np.inf |
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self.mock_of_particle_1.best_quality = 7 |
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self.mock_of_particle_2.best_quality = 8 |
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Swarm._update_best_particle(self.mock_of_swarm) |
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self.assertEqual(self.mock_of_swarm.best_particle_quality, 7) |
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self.assertEqual(self.mock_of_swarm.best_particle, |
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self.mock_of_particle_1) |
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def test__update_velocieties(self): |
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Swarm._update_velocieties(self.mock_of_swarm) |
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self.mock_of_particle_1.update_velocities.assert_called_once_with( |
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self.mock_of_best_particle) |
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self.mock_of_particle_2.update_velocities.assert_called_once_with( |
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self.mock_of_best_particle) |
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The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods:
If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions.