def test_var_replace_empty_mat(self):
m_mat = np.array([[]])
from_var_name = 't'
to_var_name = '0.81-' + from_var_name
with pytest.raises(Exception) as e:
var_replace(m_mat, from_var_name, to_var_name)
assert 'wrongInput:m_mat' in str(e.value)
def test_var_replace_wrong_args(self):
m_mat = np.array([['3.2', 't + 3.2'], [9.8, -34], ['sin(t)', 1.9]],
dtype=object)
from_var_name = 't'
with pytest.raises(Exception) as e:
# noinspection PyArgumentList
var_replace(m_mat, from_var_name)
assert 'wrongInput:m_mat' in str(e.value)
def test_var_replace_no_to_rep_fun(self):
m_mat = np.array([['sqrt(tt)']])
from_var_name = 't'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['sqrt(tt)']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_one_elem(self):
m_mat = np.array([['tt']])
from_var_name = 'tt'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['(0.8-tt)']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_vec(self):
m_mat = np.array(['tt+t^3+sin(cos(tt))', 't^(1/2)+t*t*17', 'tt'])
from_var_name = 'tt'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array(
['(0.8-tt)+t^3+sin(cos((0.8-tt)))', 't^(1/2)+t*t*17', '(0.8-tt)'])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_one_int_elem(
self
): # если взять 150 не строку, а просто число, то не работает. почему..
m_mat = np.array([[150]])
from_var_name = 't'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['150']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_real(self):
m_mat = np.array([['t+t^2+t^3+sin(t)', 't^(1/2)+t*t*17'],
['att+t2', 't+temp^t'], ['1/(t+3)*2^t^t', 't-t^t']])
from_var_name = 'att'
to_var_name = '10.8 - ' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['t+t^2+t^3+sin(t)', 't^(1/2)+t*t*17'],
['(10.8 - att)+t2', 't+temp^t'],
['1/(t+3)*2^t^t', 't-t^t']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_mixed_mat(self):
m_mat = np.array([['3.2', 't + 3.2'], [9.8, -34], ['sin(t)', 1.9]],
dtype=object)
from_var_name = 't'
to_var_name = '0.81-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['3.2', '(0.81-t)+3.2'], ['9.8', '-34'],
['sin((0.81-t))', '1.9']])
assert self.compare_m_mat_with_numerics(m_mat, cor_mat, res_mat)
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_real_elem(
self
): # если взять 150 не строку, а просто число, то не работает. почему..
m_mat = np.array([[0.01]])
from_var_name = 'att'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['0.01']])
assert self.compare_m_mat_with_numerics(m_mat, cor_mat, res_mat)
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_int_mat(
self
): # если взять 150 не строку, а просто число, то не работает. почему..
m_mat = np.array([[150, 1, 2], [-10, 30, 100], [1, 0, -190]],
dtype=object)
from_var_name = 'att'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['150', '1', '2'], ['-10', '30', '100'],
['1', '0', '-190']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_no_to_rep_mat(self):
m_mat = np.array([['exp(t)', 'sin(ttt)', '-t'],
['tttt', 't_ttt', '-0.6*t'],
['tan(exp(t))', 'exp(10)', 'cos(t-ttt)']])
from_var_name = 'tt'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['exp(t)', 'sin(ttt)', '-t'],
['tttt', 't_ttt', '-0.6*t'],
['tan(exp(t))', 'exp(10)', 'cos(t-ttt)']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_real_mat_elem(self):
m_mat = np.array([['t+t^2+t^3+sin(t)', 't^(1/2)+t*t*17'],
['att+t2', 't+temp^t'], ['1/(t+3)*2^t^t', 1.9]],
dtype=object)
from_var_name = 'att'
to_var_name = '10.8 - ' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['t+t^2+t^3+sin(t)', 't^(1/2)+t*t*17'],
['(10.8 - att)+t2', 't+temp^t'],
['1/(t+3)*2^t^t', '1.9']])
assert self.compare_m_mat_with_numerics(m_mat, cor_mat, res_mat)
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_real_mat(self):
m_mat = np.array([[15.00000000000000655674, 1.11, 2.54],
[-10.453, 30.01, 100.45],
[1.3240000000000002, 0.342, -190.901]])
from_var_name = 'att'
to_var_name = '0.8-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([['15.000000000000007', '1.11', '2.54'],
['-10.453', '30.01', '100.45'],
['1.324', '0.342', '-190.901']])
assert self.compare_m_mat_with_numerics(m_mat, cor_mat, res_mat)
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_combo_of_vars(self):
m_mat = np.array([['t+tt+ ttt', 't^(t/2)+t*tt-t'],
['atttt+ttt2', 't+temp^t+0.1'],
['1/(t+3)*2^tt^ts', 'st-t^t']])
from_var_name = 't'
to_var_name = '0.01-' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array(
[['(0.01-t)+tt+ttt', '(0.01-t)^((0.01-t)/2)+(0.01-t)*tt-(0.01-t)'],
['atttt+ttt2', '(0.01-t)+temp^(0.01-t)+0.1'],
['1/((0.01-t)+3)*2^tt^ts', 'st-(0.01-t)^(0.01-t)']])
assert np.array_equal(cor_mat, res_mat)
def test_var_replace_spaces(self):
m_mat = np.array([['t+ t^2+t^3+sin(t)', 't^(1/2)+t*t*17'],
['att+t2', 't+temp^t'], ['1/(t+3)*2^t^t', 't-t^t']])
from_var_name = 't'
to_var_name = '15 - ' + from_var_name
res_mat = var_replace(m_mat, from_var_name, to_var_name)
cor_mat = np.array([[
'(15 - t)+(15 - t)^2+(15 - t)^3+sin((15 - t))',
'(15 - t)^(1/2)+(15 - t)*(15 - t)*17'
], ['att+t2', '(15 - t)+temp^(15 - t)'],
[
'1/((15 - t)+3)*2^(15 - t)^(15 - t)',
'(15 - t)-(15 - t)^(15 - t)'
]])
assert np.array_equal(cor_mat, res_mat)