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# Authors: Eric Larson <larson.eric.d@gmail.com>
#
# License: Simplified BSD
import os.path as op
import pytest
import mne
from mne.utils import requires_version
@pytest.mark.pgtest
@requires_version('sphinx_gallery')
def test_qt_scraper(raw, pg_backend, tmp_path):
"""Test sphinx-gallery scraping of the browser."""
# make sure there is only one to scrape from old tests
fig = raw.plot(group_by='selection')
(tmp_path / '_images').mkdir()
image_paths = [
str(tmp_path / '_images' / 'temp_{ii}.png') for ii in range(2)]
gallery_conf = dict(builder_name='html', src_dir=str(tmp_path))
block_vars = dict(
example_globals=dict(fig=fig),
image_path_iterator=iter(image_paths))
assert not any(op.isfile(image_path) for image_path in image_paths)
assert not getattr(fig, '_scraped', False)
mne.viz._scraper._MNEQtBrowserScraper()(None, block_vars, gallery_conf)
assert all(op.isfile(image_path) for image_path in image_paths)
assert fig._scraped
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