def test_view_delattr(attr, subset_func):
    base = gen_adata((10, 10))
    orig_hash = joblib.hash(base)
    subset = base[subset_func(base.obs_names), subset_func(base.var_names)]
    empty = ad.AnnData(obs=subset.obs[[]], var=subset.var[[]])

    delattr(subset, attr)

    assert not subset.is_view
    # Should now have same value as default
    assert_equal(getattr(subset, attr), getattr(empty, attr))
    assert orig_hash == joblib.hash(base)  # Original should not be modified
def patch(self):
        """Adjust OpenFOAM build for spack.
           Where needed, apply filter as an alternative to normal patching."""
        self.rename_source()
        add_extra_files(self, self.common, self.assets)

        # Avoid WM_PROJECT_INST_DIR for ThirdParty, site or jobControl.
        # Use openfoam-site.patch to handle jobControl, site.
        #
        # Filtering: bashrc,cshrc (using a patch is less flexible)
        edits = {
            'WM_THIRD_PARTY_DIR':
            r'$WM_PROJECT_DIR/ThirdParty #SPACK: No separate third-party',
            'WM_VERSION': str(self.version),  # consistency
            'FOAMY_HEX_MESH': '',  # This is horrible (unset variable?)
        }
        rewrite_environ_files(  # Adjust etc/bashrc and etc/cshrc
            edits,
            posix=join_path('etc', 'bashrc'),
            cshell=join_path('etc', 'cshrc'))