Added regression test for bug that caused image viewer to turn green …

…when an incompatible subset was present

glue_jupyter/bqplot/image/tests/test_visual.py

@@ -0,0 +1,32 @@
+import numpy as np
+
+from glue_jupyter import jglue
+from glue_jupyter.tests.helpers import visual_widget_test
+
+
+@visual_widget_test
+def test_visual_incompatible_subset(
+    tmp_path,
+    page_session,
+    solara_test,
+):
+
+    # Regression test for a bug that caused incompatible subsets
+    # to make the whole image green.
+
+    np.random.seed(12345)
+    im = np.random.random((64, 64))
+    x = np.random.normal(3, 1, 100)
+    y = np.random.normal(2, 1.5, 100)
+
+    app = jglue()
+    data1 = app.add_data(image={"image": im})[0]
+    data2 = app.add_data(catalog={"x": x, "y": y})[0]
+    scatter = app.imshow(data=data1, show=False)
+    state1 = data1.pixel_component_ids[1] > 32
+    app.data_collection.new_subset_group('image[x] > 32', state1)
+    state2 = data2.id['x'] > 1
+    app.data_collection.new_subset_group('x > 1', state2)
+    figure = scatter.figure_widget
+    figure.layout = {"width": "400px", "height": "250px"}
+    return figure

glue_jupyter/tests/images/py311-test-visual.json

@@ -1,4 +1,5 @@
 {
   "glue_jupyter.bqplot.scatter.tests.test_visual.test_visual_scatter2d[chromium]": "edd4e65c87369bc6e403f45e87d914223bc13f42c2f90a55535614923e233c00",
   "glue_jupyter.bqplot.scatter.tests.test_visual.test_visual_scatter2d_density[chromium]": "60f38b822f89603874cd508e0c320db92185129631dd89a58624dd667eb8a5a7"
+  "glue_jupyter.bqplot.scatter.tests.test_visual.test_visual_incompatible_subset[chromium]": "60f38b822f89603874cd508e0c320db92185129631dd89a58624dd667eb8a5a7"
 }