def test_invalid_element_from_mass(self):
with pytest.raises(ElementError):
na = element_from_mass(22)
with pytest.raises(TypeError):
na = element_from_mass("11.0")
with pytest.raises(TypeError):
na = element_from_mass("sodium")
with pytest.raises(TypeError):
na = element_from_mass(22.99, duplicates="tuple")
with pytest.raises(MultiMatchError):
fl = element_from_mass(289.0)
def test_element_attributes(self):
na = element_from_mass(22.98)
assert na.mass == 22.99
assert na.atomic_number == 11
assert na.name == "sodium"
assert na.symbol == "Na"
assert na.radius_bondi == 2.27
assert na.radius_alvarez == 2.50
def test_element_from_mass(self, Sodium, Magnesium):
na = element_from_mass(22.98)
assert na == Sodium
with pytest.warns(UserWarning):
mg = element_from_mass(24.0, exact=False)
assert mg == Magnesium
with pytest.warns(UserWarning):
mg = element_from_mass(24, exact=False)
assert mg == Magnesium
elements = element_from_mass(289.0, duplicates="none")
assert elements == None
elements = element_from_mass(289.0, duplicates="all")
fl = element_from_symbol("Fl")
uup = element_from_symbol("Uup")
assert elements == (fl, uup)
elements = element_from_mass(288.5, duplicates="all", exact=False)
assert elements == (fl, uup)
def test_repr(self):
na = element_from_mass(22.98)
print(na)
def test_element_attributes(self):
na = element_from_mass(22.98)
assert na.mass == 22.99
assert na.atomic_number == 11
assert na.name == "sodium"
assert na.symbol == "Na"