From 988f9df66d66719332f16c52c23ab0b62722403c Mon Sep 17 00:00:00 2001
From: Ryan Abernathey <ryan.abernathey@gmail.com>
Date: Mon, 30 Sep 2024 22:09:55 -0400
Subject: [PATCH] fixed tests

---
 src/zarr/core/metadata/v3.py | 25 ++++++++++++++-----------
 tests/v3/test_config.py      |  1 +
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/zarr/core/metadata/v3.py b/src/zarr/core/metadata/v3.py
index 818a27a7b..52bfdb241 100644
--- a/src/zarr/core/metadata/v3.py
+++ b/src/zarr/core/metadata/v3.py
@@ -530,14 +530,17 @@ def parse(cls, dtype: None | DataType | Any) -> DataType:
             return DataType.float64
         if isinstance(dtype, DataType):
             return dtype
-        else:
-            try:
-                dtype = np.dtype(dtype)
-            except (ValueError, TypeError) as e:
-                raise ValueError(f"Invalid V3 data_type: {dtype}") from e
-            # check that this is a valid v3 data_type
-            try:
-                data_type = DataType.from_numpy_dtype(dtype)
-            except KeyError as e:
-                raise ValueError(f"Invalid V3 data_type: {dtype}") from e
-            return data_type
+        try:
+            return DataType(dtype)
+        except ValueError:
+            pass
+        try:
+            dtype = np.dtype(dtype)
+        except (ValueError, TypeError) as e:
+            raise ValueError(f"Invalid V3 data_type: {dtype}") from e
+        # check that this is a valid v3 data_type
+        try:
+            data_type = DataType.from_numpy_dtype(dtype)
+        except KeyError as e:
+            raise ValueError(f"Invalid V3 data_type: {dtype}") from e
+        return data_type
diff --git a/tests/v3/test_config.py b/tests/v3/test_config.py
index e324367b3..25b5b4fcd 100644
--- a/tests/v3/test_config.py
+++ b/tests/v3/test_config.py
@@ -58,6 +58,7 @@ def test_config_defaults_set() -> None:
                 "crc32c": "zarr.codecs.crc32c_.Crc32cCodec",
                 "sharding_indexed": "zarr.codecs.sharding.ShardingCodec",
                 "transpose": "zarr.codecs.transpose.TransposeCodec",
+                "vlen-utf8": "zarr.codecs.legacy_vlen.VLenUTF8Codec",
             },
         }
     ]