class TestFracDimCalculateE2E(unittest.TestCase, ConfigTest):
def setUp(self):
self.fracDim = FracDim()
def test_calculate_higuchi_straight_line(self):
max_k = 3
series = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
result = self.fracDim.calculate_higuchi(series, max_k)
expected = 1
self.assertAlmostEqual(expected, result, places=4)
class TestFracDimCalculation(unittest.TestCase, ConfigTest):
def setUp(self):
self.fracDim = FracDim()
def test_deviation1(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'cosin_random_ampl_4_N_310.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=len(u_list) // 2)
self.assertAlmostEqual(res,
1.88171,
places=4,
msg='incorrect frac dim')
def test_deviation2(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'cosin_random_ampl_4_N_600.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.63519,
places=4,
msg='incorrect frac dim')
def test_deviation3(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'real_data_1_N_401.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.38991,
places=4,
msg='incorrect frac dim')
def test_deviation4(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'real_data_2_N_401.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.63234,
places=4,
msg='incorrect frac dim')
def test_deviation5(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'real_data_3_N_345.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=len(u_list) // 2)
self.assertAlmostEqual(res,
1.87767,
places=4,
msg='incorrect frac dim')
def test_deviation6(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'real_data_4_N_334.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.47539,
places=4,
msg='incorrect frac dim')
def test_deviation7(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'real_data_5_N_318.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.63094,
places=4,
msg='incorrect frac dim')
def test_deviation8(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_600_ampl_2_N_300.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.87068,
places=4,
msg='incorrect frac dim')
def test_deviation9(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_600_ampl_3_N_300.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.87121,
places=4,
msg='incorrect frac dim')
def test_deviation10(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_4_N_304.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.87046,
places=4,
msg='incorrect frac dim')
def test_deviation11(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_8_N_300.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.87068,
places=4,
msg='incorrect frac dim')
def test_deviation12(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_20_N_300.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.87068,
places=4,
msg='incorrect frac dim')
def test_deviation13(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_20_N_600.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.85130,
places=4,
msg='incorrect frac dim')
def test_deviation14(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_rand_N_300.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.62865,
places=4,
msg='incorrect frac dim')
def test_deviation15(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_random_N_300.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.77773,
places=4,
msg='incorrect frac dim')
def test_deviation16(self):
u_list = self.fracDim.read_series(
os.path.join(self.resource_path, 'frac_dim',
'sinus_ampl_random_N_600.txt'), False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.77236,
places=4,
msg='incorrect frac dim')
def test_deviation17(self):
path = os.path.join(self.resource_path, 'frac_dim',
'sinus_cosinus_ampl_400_N_300.txt')
u_list = self.fracDim.read_series(path, False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res,
1.75188,
places=4,
msg='incorrect frac dim')
def test_deviation18(self):
path = os.path.join(self.resource_path, 'frac_dim',
'straight_line_ampl_600_N_300.txt')
u_list = self.fracDim.read_series(path, False, 0)
res = self.fracDim.calculate_higuchi(u_list, max_k=20)
self.assertAlmostEqual(res, 1, places=4, msg='incorrect frac dim')