def test_from_symbol_name(self):
"""
Test :func:`~exa.cms.isotope.Element.from_symbol` and
:func:`~exa.cms.isotope.Element.from_name`.
"""
h0 = Element.from_symbol("h")
h1 = Element.from_name("hydrogen")
h2 = Element.from_name("HYDROGEN")
self.assertTrue(np.isclose(h0.mass, h1.mass))
self.assertTrue(np.isclose(h0.mass, h2.mass))
def test_repr(self):
"""Test :class:`~exa.cms.isotope.Element` repr."""
self.assertIsInstance(repr(Element.from_symbol('H')), string_types)
def test_from_isotopes(self):
"""Test :func:`~exa.cms.isotope.Element.from_isotopes`."""
element = Element.from_isotopes(self.isotopes)
self.assertIsInstance(element, Element)
self.assertTrue(np.isclose(element.mass, 1.0079105192))
