FIX: Enable xticklabels for all bottom axes (#3600)

* Test for xticklabels presence in bottom axes

* Enable xticklabels for bottom axes

* Correctly generalize ticklabel presence

* satisfy linter

seaborn/_core/plot.py

@@ -1177,6 +1177,8 @@ def _setup_figure(self, p: Plot, common: PlotData, layers: list[Layer]) -> None:
                     )
                 )
                 for group in ("major", "minor"):
+                    side = {"x": "bottom", "y": "left"}[axis]
+                    axis_obj.set_tick_params(**{f"label{side}": show_tick_labels})
                     for t in getattr(axis_obj, f"get_{group}ticklabels")():
                         t.set_visible(show_tick_labels)
 

tests/_core/test_plot.py

@@ -1852,6 +1852,12 @@ def test_1d_column_wrapped(self):
         for s in subplots[1:]:
             ax = s["ax"]
             assert ax.xaxis.get_label().get_visible()
+            # mpl3.7 added a getter for tick params, but both yaxis and xaxis return
+            # the same entry of "labelleft" instead of  "labelbottom" for xaxis
+            if not _version_predates(mpl, "3.7"):
+                assert ax.xaxis.get_tick_params()["labelleft"]
+            else:
+                assert len(ax.get_xticklabels()) > 0
             assert all(t.get_visible() for t in ax.get_xticklabels())
 
         for s in subplots[1:-1]:
@@ -1876,6 +1882,12 @@ def test_1d_row_wrapped(self):
         for s in subplots[-2:]:
             ax = s["ax"]
             assert ax.xaxis.get_label().get_visible()
+            # mpl3.7 added a getter for tick params, but both yaxis and xaxis return
+            # the same entry of "labelleft" instead of  "labelbottom" for xaxis
+            if not _version_predates(mpl, "3.7"):
+                assert ax.xaxis.get_tick_params()["labelleft"]
+            else:
+                assert len(ax.get_xticklabels()) > 0
             assert all(t.get_visible() for t in ax.get_xticklabels())
 
         for s in subplots[:-2]: