def test_viewer_size(self, tmpdir):
# regression test for #781
# viewers were not restored with the right size
d1 = Data(x=np.random.random((2,) * self.ndim))
d2 = Data(x=np.random.random((2,) * self.ndim))
dc = DataCollection([d1, d2])
app = GlueApplication(dc)
w = app.new_data_viewer(self.widget_cls, data=d1)
w.viewer_size = (300, 400)
filename = tmpdir.join('session.glu').strpath
app.save_session(filename, include_data=True)
app2 = GlueApplication.restore_session(filename)
for viewer in app2.viewers:
assert viewer[0].viewer_size == (300, 400)
app.close()
app2.close()
