def test_plot_img_on_surf_with_figure_kwarg():
nii = _generate_img()
with pytest.raises(ValueError):
plot_img_on_surf(
nii,
views=["anterior"],
hemispheres=["right"],
figure=True,
)
def test_plot_img_on_surf_with_axes_kwarg():
nii = _generate_img()
with pytest.raises(ValueError):
plot_img_on_surf(
nii,
views=["anterior"],
hemispheres=["right"],
inflat=True,
axes="something",
)
def test_plot_img_on_surf_title():
nii = _generate_img()
title = "Title"
fig, axes = plot_img_on_surf(nii, hemispheres=['right'], views=['lateral'])
assert fig._suptitle is None, "Created title without title kwarg."
fig, axes = plot_img_on_surf(nii,
hemispheres=['right'],
views=['lateral'],
title=title)
assert fig._suptitle is not None, "Title not created."
assert fig._suptitle.get_text() == title, "Title text not assigned."
def test_plot_img_on_surf_hemispheres_and_orientations():
nii = _generate_img()
# Check that all combinations of 1D or 2D hemis and orientations work.
plot_img_on_surf(nii, hemispheres=['right'], views=['lateral'])
plot_img_on_surf(nii, hemispheres=['left', 'right'], views=['lateral'])
plot_img_on_surf(nii, hemispheres=['right'], views=['medial', 'lateral'])
plot_img_on_surf(nii,
hemispheres=['left', 'right'],
views=['dorsal', 'medial'])
def test_plot_img_on_surf_colorbar():
nii = _generate_img()
plot_img_on_surf(nii, hemispheres=['right'], views=['lateral'],
colorbar=True, vmax=5, threshold=3)
plot_img_on_surf(nii, hemispheres=['right'], views=['lateral'],
colorbar=False)
plot_img_on_surf(nii, hemispheres=['right'], views=['lateral'],
colorbar=False, cmap='roy_big_bl')
plot_img_on_surf(nii, hemispheres=['right'], views=['lateral'],
colorbar=True, cmap='roy_big_bl', vmax=2)
def test_plot_img_on_surf_output_file(tmp_path):
nii = _generate_img()
fname = tmp_path / 'tmp.png'
return_value = plot_img_on_surf(nii,
hemispheres=['right'],
views=['lateral'],
output_file=str(fname))
assert return_value is None, "Returned figure and axes on file output."
assert fname.is_file(), "Saved image file could not be found."
def test_plot_img_on_surf_with_invalid_orientation():
kwargs = {"hemisphere": ["right"], "inflate": True}
nii = _generate_img()
with pytest.raises(ValueError):
plot_img_on_surf(nii, views=['latral'], **kwargs)
with pytest.raises(ValueError):
plot_img_on_surf(nii, views=['dorsal', 'post'], **kwargs)
with pytest.raises(TypeError):
plot_img_on_surf(nii, views=0, **kwargs)
with pytest.raises(ValueError):
plot_img_on_surf(nii, views=['medial', {'a': 'a'}], **kwargs)
def test_plot_img_on_surf_surf_mesh():
nii = _generate_img()
plot_img_on_surf(nii, hemispheres=['right', 'left'], views=['lateral'])
plot_img_on_surf(nii, hemispheres=['right', 'left'], views=['lateral'],
surf_mesh='fsaverage5')
surf_mesh = fetch_surf_fsaverage()
plot_img_on_surf(nii, hemispheres=['right', 'left'], views=['lateral'],
surf_mesh=surf_mesh)
def test_plot_img_on_surf_with_invalid_hemisphere():
nii = _generate_img()
with pytest.raises(ValueError):
plot_img_on_surf(nii,
views=['lateral'],
inflate=True,
hemispheres=["lft]"])
with pytest.raises(ValueError):
plot_img_on_surf(nii,
views=['medial'],
inflate=True,
hemispheres=['lef'])
with pytest.raises(ValueError):
plot_img_on_surf(nii,
views=['anterior', 'posterior'],
inflate=True,
hemispheres=['left', 'right', 'middle'])
def test_plot_img_on_surf_inflate():
nii = _generate_img()
plot_img_on_surf(nii,
hemispheres=['right'],
views=['lateral'],
inflate=True)