def test_that_selection_changed_signal_sent(self):
combo = PeriodicCombo()
combo.sigSelectionChanged = mock.Mock()
combo._selectionChanged(1)
combo.sigSelectionChanged.emit.assert_called_with(
periodic_table._default_table_items[1])
def test_that_setSelection_sets_correct_selection_if_given_PeriodicTableItem(
self):
combo = PeriodicCombo()
combo.setCurrentIndex = mock.Mock()
combo.setSelection(
PeriodicTableItem("H", 1, 1, 1, "hydrogen", 1.00800,
"diatomic nonmetal"))
combo.setCurrentIndex.assert_called_with(0)
def test_that_init_accepts_new_list_elements(self, mock_insert_item):
new_elements = [
PeriodicTableItem("H", 1, 1, 1, "hydrogen", 1.00800,
"diatomic nonmetal"),
PeriodicTableItem("He", 2, 18, 1, "helium", 4.0030, "noble gas"),
PeriodicTableItem("Li", 3, 1, 2, "lithium", 6.94000,
"alkali metal")
]
PeriodicCombo(elements=new_elements, detailed=True)
self.assertEqual(mock_insert_item.call_count, 3)
mock_insert_item.assert_called_with(2, 'Li (3) - lithium')
PeriodicCombo(elements=new_elements, detailed=False)
self.assertEqual(mock_insert_item.call_count, 3 + 3)
mock_insert_item.assert_called_with(2, 'Li (3)')
def test_that_setSelection_throws_if_given_bad_symbol(self):
combo = PeriodicCombo()
with self.assertRaises(ValueError):
combo.setSelection('I-dont-exist')
def test_that_setSelection_sets_correct_selection_if_given_symbol(self):
combo = PeriodicCombo()
combo.setCurrentIndex = mock.Mock()
combo.setSelection('H')
combo.setCurrentIndex.assert_called_with(0)
def test_that_selected_item_is_correct(self):
combo = PeriodicCombo()
combo.currentIndex = mock.Mock(return_value=1)
self.assertEqual(combo.getSelection(),
periodic_table._default_table_items[1])
def test_that_init_defaults_to_all_elements_in_periodic_table_without_details(
self, mock_insert_item):
PeriodicCombo(detailed=False)
self.assertEqual(mock_insert_item.call_count, self.NUMBER_ELEMENTS)
mock_insert_item.assert_called_with(108, 'Mt (109)')