Add unit test for facetting singleton dim

pydata · Sep 11, 2023 · 226ba51 · 226ba51
1 parent 35b02d7
commit 226ba51
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/xarray/tests/test_plot.py b/xarray/tests/test_plot.py
@@ -1642,6 +1642,13 @@ def test_facetgrid_no_cbar_ax(self) -> None:
         with pytest.raises(ValueError):
             self.plotfunc(d, x="x", y="y", col="columns", row="rows", cbar_ax=1)
 
+    def test_multiplot_over_length_one_dim(self) -> None:
+        a = easy_array((1, 1, 1))
+        d = DataArray(a, dims=("col", "row", "hue"))
+        self.plotfunc(d, col="col")
+        self.plotfunc(d, row="row")
+        self.plotfunc(d, hue="hue")
+
     def test_cmap_and_color_both(self) -> None:
         with pytest.raises(ValueError):
             self.plotmethod(colors="k", cmap="RdBu")