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test_model.py
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import unittest
import model
import controller
import numpy as np
import os
class TestLaplaceModel(unittest.TestCase):
def setUp(self):
self.model = model.LaplaceModel(controller.Controller())
def test_initialisation(self):
# Test for correct initialisation
self.assertEqual(self.model.initial.size, 0)
self.assertEqual(self.model.boundary.size, 0)
def test_property_initial(self):
self.model.initial = [1, 0, 0]
self.assertEqual((self.model.initial == [1, 0, 0]).all(), True)
data, _ = self.model.current()
self.assertEqual((data == self.model.initial).all(), True)
def test_property_boundary(self):
self.assertRaises(TypeError, self.model.boundary, [1, 0, 1])
self.model.initial = [1, 1, 1]
self.assertRaises(TypeError, self.model.boundary, [0, 0, 1])
self.assertRaises(TypeError, self.model.boundary, [1, 0, 0, 1])
self.model.initial = [[[1, 1, 1], [1, 1, 1], [1, 1, 1]],
[[1, 0, 1], [1, 0, 1], [1, 0, 1]],
[[1, 1, 1], [1, 1, 1], [1, 1, 1]]]
self.model.boundary = [[[1, 1, 1], [1, 1, 1], [1, 1, 1]],
[[1, 1, 1], [1, 0, 1], [1, 1, 1]],
[[1, 1, 1], [1, 1, 1], [1, 1, 1]]]
self.assertEqual((self.model.boundary == [[[1, 1, 1], [1, 1, 1],
[1, 1, 1]],
[[1, 1, 1], [1, 0, 1],
[1, 1, 1]],
[[1, 1, 1], [1, 1, 1],
[1, 1, 1]]]).all(), True)
def test_forward(self):
self.model.initial = [1, 0, 1]
self.model.boundary = [1, 0, 1]
fow_iter = self.model.forward()
self.assertEqual(([1, 0, 1] == self.model.initial).all(), True)
data, _ = next(fow_iter)
self.assertEqual((data == [1, 1, 1]).all(), True)
data, _ = next(fow_iter)
self.assertEqual((data == [1, 1, 1]).all(), True)
def test_backward(self):
self.model.initial = [1, 0, 1]
self.model.boundary = [1, 0, 1]
ba_iter = self.model.backward()
fow_iter = self.model.forward()
data, _ = next(ba_iter)
self.assertEqual((data == [1, 0, 1]).all(), True)
_ = next(fow_iter)
data, _ = next(ba_iter)
self.assertEqual((data == [1, 0, 1]).all(), True)
for _ in range(self.model.max_history):
_ = next(fow_iter)
for _ in range(self.model.max_history):
_ = next(ba_iter)
data, _ = self.model.current()
self.assertEqual((data == [1, 0, 1]).all(), True)
for _ in range(self.model.max_history + 1):
_ = next(fow_iter)
for _ in range(self.model.max_history + 1):
_ = next(ba_iter)
data, _ = self.model.current()
self.assertEqual((data == [1, 1, 1]).all(), True)
def test_matrix(self):
self.model.initial = [1, 0, 1]
self.model.boundary = [1, 0, 1]
matrix_should = [[1, 0, 0], [0.5, 0, 0.5], [0, 0, 1]]
self.assertEqual((self.model._matrix == matrix_should).all(), True)
self.model.initial = [[[1, 1, 1], [1, 1, 1], [1, 1, 1]],
[[1, 0, 1], [1, 0, 1], [1, 0, 1]],
[[1, 1, 1], [1, 1, 1], [1, 1, 1]]]
self.model.boundary = [[[1, 1, 1], [1, 1, 1], [1, 1, 1]],
[[1, 1, 1], [1, 0, 1], [1, 1, 1]],
[[1, 1, 1], [1, 1, 1], [1, 1, 1]]]
matrix_slice_should = np.array([
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0
]) / 6
self.assertEqual((matrix_slice_should == self.model._matrix[13]).all(),
True)
def tearDown(self):
del self.model
if __name__ == '__main__':
unittest.main()