# xarray.testing.assert_chunks_equal

### xarray.testing.assert_chunks_equal(a, b)[[source]](https://github.com/pydata/xarray/blob/main/xarray/testing/assertions.py#L341-L358)

Assert that chunksizes along chunked dimensions are equal.

* **Parameters:**
  * **a** ([`xarray.Dataset`](xarray.Dataset.html.md#xarray.Dataset) or [`xarray.DataArray`](xarray.DataArray.html.md#xarray.DataArray)) – The first object to compare.
  * **b** ([`xarray.Dataset`](xarray.Dataset.html.md#xarray.Dataset) or [`xarray.DataArray`](xarray.DataArray.html.md#xarray.DataArray)) – The second object to compare.