def test_element(z, sym, name):
"""Run instantiation tests for various elements.
Instantiate for element symbol and name, in mixed case, upper case,
and lower case. Also by Z as both integer and string.
"""
args = [name, name.lower(), name.upper()]
args.extend([sym, sym.lower(), sym.upper()])
args.extend([z, str(z)])
print(args)
for arg in args:
print("")
print("arg: ", arg)
elem = element.Element(arg)
print(elem)
assert elem.Z == z
assert elem.symbol == sym
assert elem.name == name
def test_og(self):
"""Test Element string formatting: Og.............................."""
assert "{:%n (%s) %z}".format(element.Element("Og")) == "Oganesson (Og) 118"
def test_h(self):
"""Test Element string formatting: H..............................."""
assert "{:%n (%s) %z}".format(element.Element("H")) == "Hydrogen (H) 1"
def test_bad(self):
"""Test Element equality: H != 0..................................."""
with pytest.raises(element.ElementError):
elem = element.Element("H")
elem == 0
def test_og(self):
"""Test Element equality: Og......................................."""
assert element.Element("Og") == element.Element(118)
def test_h(self):
"""Test Element equality: H........................................"""
assert element.Element("H") == element.Element(1)
def test_bad_arg_z(self):
"""Test Element init with a bad Z raises ElementError.............."""
with pytest.raises(element.ElementError):
element.Element(0)
def test_bad_arg_name(self):
"""Test Element init with a bad name raises ElementError..........."""
with pytest.raises(element.ElementError):
element.Element("Xirconium")
def test_bad_arg_symbol(self):
"""Test Element init with a bad symbol raises ElementError........."""
with pytest.raises(element.ElementError):
element.Element("Xx")
def test_og(self):
"""Test Element string formatting: Og.............................."""
assert '{:%n (%s) %z}'.format(element.Element('Og')) == \
'Oganesson (Og) 118'
def test_h(self):
"""Test Element string formatting: H..............................."""
assert '{:%n (%s) %z}'.format(element.Element('H')) == \
'Hydrogen (H) 1'
