Enter blank into codecs tests to preserve indexes

Author: joshmoore

numcodecs/tests/test_blosc.py

@@ -34,6 +34,7 @@
     Blosc(cname='zlib', clevel=1, shuffle=0),
     Blosc(cname='zstd', clevel=1, shuffle=1),
     Blosc(cname='blosclz', clevel=1, shuffle=2),
+    None,  # was snappy
     Blosc(shuffle=Blosc.SHUFFLE, blocksize=0),
     Blosc(shuffle=Blosc.SHUFFLE, blocksize=2**8),
     Blosc(cname='lz4', clevel=1, shuffle=Blosc.NOSHUFFLE, blocksize=2**8),
@@ -68,6 +69,7 @@ def use_threads(request):
 @pytest.mark.parametrize('array', arrays)
 @pytest.mark.parametrize('codec', codecs)
 def test_encode_decode(array, codec):
+    if codec is None: continue
     check_encode_decode(array, codec)
 
 
@@ -76,6 +78,7 @@ def test_encode_decode(array, codec):
                                    else pytest.param(x, marks=[pytest.mark.xfail])
                                    for x in arrays])
 def test_partial_decode(codec, array):
+    if codec is None: continue
     check_encode_decode_partial(array, codec)
 
 
@@ -202,6 +205,7 @@ def test_config_blocksize():
 
 
 def test_backwards_compatibility():
+    if codec is None: continue
     check_backwards_compatibility(Blosc.codec_id, arrays, codecs)
 
 
@@ -255,6 +259,7 @@ def test_err_encode_object_buffer():
 
 def test_decompression_error_handling():
     for codec in codecs:
+        if codec is None: continue
         with pytest.raises(RuntimeError):
             codec.decode(bytearray())
         with pytest.raises(RuntimeError):
@@ -263,5 +268,6 @@ def test_decompression_error_handling():
 
 def test_max_buffer_size():
     for codec in codecs:
+        if codec is None: continue
         assert codec.max_buffer_size == 2**31 - 1
         check_max_buffer_size(codec)