TST: add a test of figure.hooks

tacaswell · tacaswell · commit a3a4957eecde · 2022-12-16T17:22:15.000-05:00
diff --git a/lib/matplotlib/tests/test_pyplot.py b/lib/matplotlib/tests/test_pyplot.py
@@ -429,3 +429,18 @@ def test_minor_ticks():
     tick_labels = ax.get_yticklabels(minor=True)
     assert np.all(tick_pos == np.array([3.5, 6.5]))
     assert [l.get_text() for l in tick_labels] == ['a', 'b']
+
+
+def figure_hook_example(figure):
+    figure._test_was_here = True
+
+
+def test_figure_hook():
+
+    test_rc = {
+        'figure.hooks': ['matplotlib.tests.test_pyplot:figure_hook_example']
+    }
+    with mpl.rc_context(test_rc):
+        fig = plt.figure()
+
+    assert fig._test_was_here
