Function test_complete

lib/matplotlib/tests/test_pickle.py:108–123

(fig_test, fig_ref)

@mpl.style.context("default")
@check_figures_equal()
def test_complete(fig_test, fig_ref):
    _generate_complete_test_figure(fig_ref)
    # plotting is done, now test its pickle-ability
    pkl = pickle.dumps(fig_ref, pickle.HIGHEST_PROTOCOL)
    # FigureCanvasAgg is picklable and GUI canvases are generally not, but there should
    # be no reference to the canvas in the pickle stream in either case.  In order to
    # keep the test independent of GUI toolkits, run it with Agg and check that there's
    # no reference to FigureCanvasAgg in the pickle stream.
    assert "FigureCanvasAgg" not in [arg for op, arg, pos in pickletools.genops(pkl)]
    loaded = pickle.loads(pkl)
    loaded.canvas.draw()

    fig_test.set_size_inches(loaded.get_size_inches())
    fig_test.figimage(loaded.canvas.renderer.buffer_rgba())

    plt.close(loaded)


def _pickle_load_subprocess():