def test_convergence_name():
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence("test")
convergence.add_grids(main_list)
assert str(convergence)
def test_convergence_two_grids():
convergence = Convergence()
with pytest.warns(UserWarning):
convergence.add_grids([(1, 0.5), (0.5, 0.4)])
lines = str(convergence).split("\n")
assert len(lines) == 10
assert lines[1] == "Number of grids to be examined = 2 "
assert lines[-2] == " *** Insufficient grids for analysis *** "
def test_convergence_gci_error(mocker):
mocker.patch('convergence.interface.gci',
side_effect=ArithmeticError("mock"))
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence(f_anal=0.9713)
with pytest.warns(UserWarning):
convergence.add_grids(main_list)
expected_lines = (
'', 'Number of grids to be examined = 3 ', '',
' Grid Size Quantity ', '', ' 1.000000 0.970500 ',
' 2.000000 0.968540 ', ' 4.000000 0.961780 ', '', '',
'Discretisation errors for fine grids: ', '',
' Grids | e_analytic | e_approx | e_extrap | f_analytic | ',
' ========================================================================= ',
' 1 2 3 | 0.000824 | 0.002020 | 0.000824 | 0.971300 | ',
' ------------------------------------------------------------------------- ',
'',
' Grids | f_delta | f_exact | gci_coarse | gci_fine | ',
' ========================================================================= ',
' 1 2 3 | -0.000000 | 0.971300 | | | ',
' ------------------------------------------------------------------------- ',
'', ' Grids | p | r21 | r32 | ',
' ========================================================== ',
' 1 2 3 | 1.786170 | 2.000000 | 2.000000 | ',
' ---------------------------------------------------------- ', '', '',
'Discretisation errors for coarse grids: ', '',
' Grids | e_analytic | e_approx | e_extrap | f_analytic | ',
' ========================================================================= ',
' 1 2 3 | 0.002842 | 0.006980 | 0.002842 | 0.971300 | ',
' ------------------------------------------------------------------------- ',
'',
' Grids | f_delta | f_exact | gci_coarse | gci_fine | ',
' ========================================================================= ',
' 1 2 3 | -0.000000 | 0.971300 | | | ',
' ------------------------------------------------------------------------- ',
'', ' Grids | p | r21 | r32 | ',
' ========================================================== ',
' 1 2 3 | 1.786170 | 2.000000 | 2.000000 | ',
' ---------------------------------------------------------- ', '', '',
'Asymptotic ratio test: ', '',
' Grids | Asymptotic ratio | ',
' ==================================== ',
' 1 2 3 | | ',
' ------------------------------------ ', '')
for actual, expected in zip(str(convergence).split("\n"), expected_lines):
assert actual == expected
def test_order_of_convergence_runtimeerror(mocker):
mocker.patch('convergence.interface.order_of_convergence',
side_effect=RuntimeError("mock"))
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence(f_anal=0.9713)
with pytest.warns(UserWarning):
convergence.add_grids(main_list)
assert str(convergence)
def test_get_coarse_values_gci_error(mocker):
mocker.patch('convergence.interface.gci',
side_effect=ArithmeticError("mock"))
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence(f_anal=0.9713)
convergence._set_grids(main_list)
convergence._set_grid_triplets()
convergence._get_shared()
with pytest.warns(UserWarning):
convergence._get_coarse_values()
assert convergence._grid_coarse[0]["gci_f"] is None
def test_get_fine_values_richardson_extrapolate_error(mocker):
mocker.patch('convergence.interface.richardson_extrapolate',
side_effect=ArithmeticError("mock"))
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence(f_anal=0.9713)
convergence._set_grids(main_list)
convergence._set_grid_triplets()
convergence._get_shared()
with pytest.warns(UserWarning):
convergence._get_fine_values()
assert convergence._grid_fine[0]["f_exact"] is None
assert convergence._grid_fine[0]["f_delta"] is None
def test_get_resolution_insufficient_grids():
convergence = Convergence()
with pytest.warns(UserWarning):
convergence.add_grids([(1, 0.5)])
with pytest.raises(RuntimeError) as excinfo:
convergence.get_resolution(0.001)
assert "Insufficient grids" in str(excinfo)
def test_get_ratios_error(mocker, test_input):
mocker.patch(test_input, side_effect=ArithmeticError("mock"))
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence(f_anal=0.9713)
convergence._set_grids(main_list)
convergence._set_grid_triplets()
convergence._get_shared()
with pytest.warns(UserWarning):
convergence._get_fine_values()
convergence._get_coarse_values()
convergence._get_ratios()
assert convergence._grid_ratios[0]['assym_ratio'] is None
def convergence_anal():
in_path = os.path.join(DATA_DIR_PATH, "prD.do")
main_list = simple_read(in_path)
convergence = Convergence(f_anal=0.9713)
convergence.add_grids(main_list)
return convergence
def test_convergence_no_iter():
convergence = Convergence()
with pytest.raises(IndexError):
convergence[0]
def test_convergence_no_len():
convergence = Convergence()
assert len(convergence) == 0