update/add tests

Author: Sonja Stockhaus

tests/_images/Images_can_pass_cmap.png

@@ -24,9 +24,21 @@ class TestImages(PlotTester, metaclass=PlotTesterMeta):
     def test_plot_can_render_image(self, sdata_blobs: SpatialData):
         sdata_blobs.pl.render_images(elements="blobs_image").pl.show()
 
-    def test_plot_can_pass_cmap_to_render_images(self, sdata_blobs: SpatialData):
+    def test_plot_can_pass_str_cmap(self, sdata_blobs: SpatialData):
         sdata_blobs.pl.render_images(elements="blobs_image", cmap="seismic").pl.show()
 
+    def test_plot_can_pass_cmap(self, sdata_blobs: SpatialData):
+        sdata_blobs.pl.render_images(elements="blobs_image", cmap=matplotlib.colormaps["seismic"]).pl.show()
+
+    def test_plot_can_pass_str_cmap_list(self, sdata_blobs: SpatialData):
+        sdata_blobs.pl.render_images(elements="blobs_image", cmap=["seismic", "Reds", "Blues"]).pl.show()
+
+    def test_plot_can_pass_cmap_list(self, sdata_blobs: SpatialData):
+        sdata_blobs.pl.render_images(
+            elements="blobs_image",
+            cmap=[matplotlib.colormaps["seismic"], matplotlib.colormaps["Reds"], matplotlib.colormaps["Blues"]],
+        ).pl.show()
+
     def test_plot_can_render_a_single_channel_from_image(self, sdata_blobs: SpatialData):
         sdata_blobs.pl.render_images(elements="blobs_image", channel=0).pl.show()