matplotlib · dstansby · May 17, 2023 · May 15, 2023 · May 15, 2023 · May 15, 2023
diff --git a/.gitignore b/.gitignore
@@ -37,6 +37,7 @@ pip-delete-this-directory.txt
 # Unit test / coverage reports
 htmlcov/
 .tox/
+report/
 .coverage
 .coverage.*
 .cache

diff --git a/setup.cfg b/setup.cfg
@@ -55,6 +55,7 @@ docs =
    sphinx-gallery
 testing =
    napari[pyqt6-experimental]
+    pooch
    pyqt6
    pytest
    pytest-cov

diff --git a/src/napari_matplotlib/base.py b/src/napari_matplotlib/base.py
@@ -4,7 +4,7 @@

 import napari
 from matplotlib.axes import Axes
-from matplotlib.backends.backend_qt5agg import (
+from matplotlib.backends.backend_qtagg import (
    FigureCanvas,
    NavigationToolbar2QT,
 )

diff --git a/src/napari_matplotlib/tests/baseline/test_slice.png b/src/napari_matplotlib/tests/baseline/test_slice.png
diff --git a/src/napari_matplotlib/tests/conftest.py b/src/napari_matplotlib/tests/conftest.py
@@ -17,3 +17,8 @@ def image_data(request):
 @pytest.fixture
 def astronaut_data():
    return data.astronaut(), {"rgb": True}
+
+
+@pytest.fixture
+def brain_data():
+    return data.brain(), {"rgb": False}
diff --git a/src/napari_matplotlib/tests/test_slice.py b/src/napari_matplotlib/tests/test_slice.py
@@ -1,10 +1,11 @@
-import numpy as np
+import pytest

 from napari_matplotlib import SliceWidget


-def test_scatter(make_napari_viewer):
-    # Smoke test adding a histogram widget
+@pytest.mark.mpl_image_compare
+def test_slice(make_napari_viewer, brain_data):
    viewer = make_napari_viewer()
-    viewer.add_image(np.random.random((100, 100, 100)))
-    SliceWidget(viewer)
+    viewer.add_image(brain_data[0], **brain_data[1])
+    fig = SliceWidget(viewer).figure
+    return fig
diff --git a/tox.ini b/tox.ini
@@ -11,4 +11,6 @@ python =

 [testenv]
 extras = testing
-commands = python -m pytest --mpl -v --color=yes --cov=napari_matplotlib --cov-report=xml
+commands =
+    - python -c 'from skimage import data; data.brain()'
+    - python -m pytest --mpl -v --color=yes --cov=napari_matplotlib --cov-report=xml
-Original file line number
+Diff line change
@@ -37,6 +37,7 @@ pip-delete-this-directory.txt
     # Unit test / coverage reports
     htmlcov/
     .tox/
+    report/
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     .coverage
     .coverage.*
     .cache
-          Expand Down