def test_figure_repr():
"""
Make sure that figure output's PNG and HTML printable representations look
ok.
"""
fig = Figure()
fig.basemap(region=[0, 1, 2, 3], frame=True)
# Check that correct PNG 8-byte file header is produced
# https://en.wikipedia.org/wiki/Portable_Network_Graphics#File_header
repr_png = fig._repr_png_() # pylint: disable=protected-access
assert repr_png.hex().startswith("89504e470d0a1a0a")
# Check that correct HTML image tags are produced
repr_html = fig._repr_html_() # pylint: disable=protected-access
assert repr_html.startswith('<img src="data:image/png;base64,')
assert repr_html.endswith('" width="500px">')
