Debug other OSs

.github/workflows/tests.yml

@@ -315,6 +315,7 @@ jobs:
         run: |
           pytest -rfEsXR -n auto \
             --browser chromium --browser firefox --browser webkit \
+            --slowmo=100 --tracing=on --video=on \
             --maxfail=50 --timeout=300 --durations=25 \
             --cov-report=xml --cov=lib --log-level=DEBUG --color=yes
 
@@ -381,6 +382,12 @@ jobs:
           name: "${{ matrix.python-version }} ${{ matrix.os }} ${{ matrix.name-suffix }} result images"
           path: ./result_images
 
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: "${{ matrix.python-version }} ${{ matrix.os }} ${{ matrix.name-suffix }} playwright"
+          path: ./test-results
+
   # Separate dependent job to only upload one issue from the matrix of jobs
   create-issue:
     if: ${{ failure() && github.event_name == 'schedule' }}

lib/matplotlib/tests/test_backend_webagg.py

@@ -105,12 +105,16 @@ def test_webagg_resize(random_port, page):
 
     canvas = page.locator('canvas.mpl-canvas')
 
+    print(f'{orig_bbox=}')
     # Resize the canvas to be twice as big.
     bbox = canvas.bounding_box()
+    print(f'{bbox=}')
     x, y = bbox['x'] + bbox['width'] - 1, bbox['y'] + bbox['height'] - 1
+    print(f'{x=} {y=}')
     page.mouse.move(x, y)
     page.mouse.down()
     page.mouse.move(x + bbox['width'], y + bbox['height'])
+    print(f'{x + bbox["width"]=} {y + bbox["height"]=}')
     page.mouse.up()
 
     assert fig.bbox.height == orig_bbox.height * 2