more fixes

Author: timtreis

tests/_images/Images_can_handle_one_channel.png

@@ -119,7 +119,7 @@ def make_multichannel_blobs(n=512, nch=6, sigma=0.1, radius=0.6, random_state=0)
 
 
 @pytest.fixture
-def test_sdata_multichannel() -> SpatialData:
+def sdata_multichannel() -> SpatialData:
     """Creates a SpatialData object with 5 channels arranged in a circle.
 
     Each channel is a Gaussian blob positioned at evenly spaced angles around a circle.

tests/conftest.py

@@ -197,7 +197,7 @@ def test_fail_when_len_palette_is_not_equal_to_len_user_channels(sdata_blobs: Sp
 
 
 def test_fail_when_len_cmap_not_equal_len_img_channels(sdata_blobs):
-    with pytest.raises(ValueError, match="Cmap length"):
+    with pytest.raises(ValueError, match="If 'cmap' is provided, its length must match the number of channels."):
         sdata_blobs.pl.render_images(element="blobs_image", cmap=["Reds", "Blues"]).pl.show()
 
 
@@ -212,5 +212,5 @@ def test_fail_invalid_multichannel_strategy(sdata_multichannel):
 
 
 def test_fail_channel_index_out_of_range(sdata_blobs):
-    with pytest.raises(IndexError, match="Invalid channel(s):"):
+    with pytest.raises(ValueError, match="Invalid channel(s):"):
         sdata_blobs.pl.render_images(element="blobs_image", channel=10).pl.show()