def test_to_value_error(self):
     """Verify an exception is raised for unconvertible values."""
     with pytest.raises(ValueError):
         Integer.to_value("abc")
 def test_to_value(self, data, value):
     """Verify input data is converted to values."""
     assert value == Integer.to_value(data)
 def test_to_data(self, value, data):
     """Verify values are converted to output data."""
     assert data == Integer.to_data(value)
 def test_to_data(self, value, data):
     """Verify values are converted to output data."""
     assert data == Integer.to_data(value)
 def test_to_value_error(self):
     """Verify an exception is raised for unconvertible values."""
     with pytest.raises(ValueError):
         Integer.to_value("abc")
 def test_to_value(self, data, value):
     """Verify input data is converted to values."""
     assert value == Integer.to_value(data)