def test_modify_view_component(matrix_type, mapping_name):
    adata = ad.AnnData(
        np.zeros((10, 10)),
        **{mapping_name: dict(m=matrix_type(asarray(sparse.random(10, 10))))},
    )
    init_hash = joblib.hash(adata)

    subset = adata[:5, :][:, :5]
    assert subset.is_view
    m = getattr(subset, mapping_name)["m"]
    m[0, 0] = 100
    assert not subset.is_view
    assert getattr(subset, mapping_name)["m"][0, 0] == 100

    assert init_hash == joblib.hash(adata)
def refresh_content(self, order=None, name=None):
        "Re-download comments and reset the page index"

        order = order or self.content.order
        url = name or self.content.name

        with self.term.loader('Refreshing page'):
            self.content = SubmissionContent.from_url(
                self.reddit, url, self.term.loader, order=order,
                max_comment_cols=self.config['max_comment_cols'])
        if not self.term.loader.exception:
            self.nav = Navigator(self.content.get, page_index=-1)