Refactor core tests, round 2 (#1462)

* chore: refactor tests to inherit create_array from a base class

* chore: widen type of shape to variable length tuple

* chore: add importskip barrier for lmdb

* docs: release notes

* chore: remove fsstore kwargs variable

* chore: fix type error in creation of fsstore

* chore: add `create_filters` method to TestArray. Pop out `compressor` kwarg in create_array.

Author: d-v-b

docs/release.rst

@@ -30,6 +30,12 @@ Enhancements
     * **Block Indexing**: Implemented blockwise (chunk blocks) indexing to ``zarr.Array``.
       By :user:`Altay Sansal <tasansal>` :issue:`1428`
 
+Maintenance
+~~~~~~~~~~~
+
+* Refactor the core array tests to reduce code duplication.
+  By :user:`Davis Bennett <d-v-b>` :issue:`1462`.
+
 .. _release_2.15.0:
 
 2.15.0

zarr/storage.py

@@ -300,7 +300,7 @@ def _require_parent_group(
 
 def init_array(
     store: StoreLike,
-    shape: Tuple[int, ...],
+    shape: Union[int, Tuple[int, ...]],
     chunks: Union[bool, int, Tuple[int, ...]] = True,
     dtype=None,
     compressor="default",