Testing

testing.assert_equal(a, b[, check_dim_order])	Like numpy.testing.assert_array_equal(), but for xarray objects.
testing.assert_identical(a, b)	Like xarray.testing.assert_equal(), but also matches names/attributes.
testing.assert_allclose(a, b[, rtol, atol, ...])	Like numpy.testing.assert_allclose(), but for xarray objects.
testing.assert_chunks_equal(a, b)	Assert that chunksizes along chunked dimensions are equal.

Test that two DataTree objects are similar.

testing.assert_isomorphic(a, b)	Assert that two DataTrees are isomorphic.
testing.assert_equal(a, b[, check_dim_order])	Like numpy.testing.assert_array_equal(), but for xarray objects.
testing.assert_identical(a, b)	Like xarray.testing.assert_equal(), but also matches names/attributes.

Hypothesis Testing Strategies

See the documentation page on testing for a guide on how to use these strategies.

Warning

These strategies should be considered highly experimental, and liable to change at any time.

testing.strategies.supported_dtypes()	Generate only those numpy dtypes which xarray can handle.
testing.strategies.names()	Generate arbitrary string names for dimensions / variables.
testing.strategies.dimension_names(*[, ...])	Generate an arbitrary list of valid dimension names.
testing.strategies.dimension_sizes(*[, ...])	Generate an arbitrary mapping from dimension names to lengths.
testing.strategies.attrs()	Generate arbitrary valid attributes dictionaries for xarray objects.
testing.strategies.variables(*[, ...])	Generate arbitrary xarray.Variable objects.
testing.strategies.unique_subset_of(objs, *)	Return a strategy which generates a unique subset of the given objects.