WIP: Test plot_motion function

Test plot_motion function.

Author: jhlegarreta

nireports/tests/test_reportlets.py

@@ -44,13 +44,15 @@
     plot_carpet,
     plot_dist,
     plot_fd,
+    plot_motion,
     plot_raincloud,
 )
 from nireports.reportlets.surface import cifti_surfaces_plot
-from nireports.reportlets.utils import _3d_in_file
+from nireports.reportlets.utils import _3d_in_file, load_framewise_displacement
 from nireports.reportlets.xca import compcor_variance_plot, plot_melodic_components
 from nireports.tests.testing import _create_dtseries_cifti
-from nireports.tests.utils import _generate_raincloud_random_data
+from nireports.tests.utils import _generate_raincloud_random_data, _write_image
+from nireports.tools.ndimage import load_api
 from nireports.tools.timeseries import cifti_timeseries as _cifti_timeseries
 from nireports.tools.timeseries import get_tr as _get_tr
 from nireports.tools.timeseries import nifti_timeseries as _nifti_timeseries
@@ -610,4 +612,24 @@ def test_create_cmap(outdir):
 
 
 def test_plot_motion(tmp_path):
-    pass
+
+    orig_path = _write_image(tmp_path / "orig.nii.gz", (4, 4, 4, 2))
+    corr_path = _write_image(tmp_path / "corr.nii.gz", (4, 4, 4, 2))
+
+    orig_img = load_api(orig_path, nb.spatialimages.SpatialImage)
+    corr_img = load_api(corr_path, nb.spatialimages.SpatialImage)
+    duration = 0.05
+
+    fd_values = None  # load_framewise_displacement(fd_file)
+
+    # svg_file = plot_motion(
+    #     orig_img,
+    #     corr_img,
+    #     tmp_path,
+    #     duration,
+    #     fd_values,
+    # )
+
+    # content = svg_file.read_text()
+    # assert "frame-0" in content
+    # assert "animation-delay: 0.05s" in content