def test_iast_vle_checks(self, load_iast):
"""Checks for built-in safeguards."""
ch4, c2h6 = load_iast
# Raises "not enough components error"
with pytest.raises(pygaps.ParameterError):
pygaps.iast_binary_vle([ch4], 1)
def test_iast_vle_model(self, load_iast_models):
"""Tests the vle-pressure graph"""
result_dict = pygaps.iast_binary_vle(load_iast_models, 1)
x_data = result_dict['x']
y_data = result_dict['y']
dev = sum(y_data - x_data)
expected_dev = 8.8
assert numpy.isclose(dev, expected_dev, atol=0.1)
def test_iast_checks(self, load_iast):
ch4, c2h6 = load_iast
# IAST CHECKS
# Raises error components
with pytest.raises(ParameterError):
pygaps.iast([ch4], [0.1])
# Raises error different dimensions
with pytest.raises(ParameterError):
pygaps.iast([ch4, c2h6], [0.1])
# REVERSE IAST CHECKS
# Raises error components
with pytest.raises(ParameterError):
pygaps.reverse_iast([ch4], [0.1], 2)
# Raises error different dimensions
with pytest.raises(ParameterError):
pygaps.reverse_iast([ch4, c2h6], [0.1], 2)
# Raises error sum not adds to one
with pytest.raises(ParameterError):
pygaps.reverse_iast([ch4, c2h6], [0.1, 0.4], 2)
# VLE CHECKS
# Raises error components
with pytest.raises(ParameterError):
pygaps.iast_binary_vle([ch4], 1)
# SVP CHECKS
# Raises error components
with pytest.raises(ParameterError):
pygaps.iast_binary_svp([ch4], [0.1], [1, 2])
# Raises error not adds to one
with pytest.raises(ParameterError):
pygaps.iast_binary_svp([ch4, c2h6], [0.1, 0.4], [1, 2])
def test_iast_vle(self, load_iast):
"""Tests the vle-pressure graph"""
ch4, c2h6 = load_iast
result_dict = pygaps.iast_binary_vle([ch4, c2h6], 1)
x_data = result_dict['x']
y_data = result_dict['y']
dev = sum(y_data - x_data)
expected_dev = 6.7
assert numpy.isclose(dev, expected_dev, atol=0.1)
def test_iast_vle_verbose(self, load_iast):
"""Test verbosity."""
pygaps.iast_binary_vle(load_iast, 1, verbose=True)