def test_set_var(adata, subset_func):
    init_hash = joblib.hash(adata)

    subset = adata[:, subset_func(adata.var_names)]

    new_var = pd.DataFrame(
        dict(a=np.ones(subset.n_vars), b=np.ones(subset.n_vars)),
        index=subset.var_names,
    )

    assert subset.is_view
    subset.var = new_var
    assert not subset.is_view
    assert np.all(subset.var == new_var)

    assert joblib.hash(adata) == init_hash
def test_structures_with_wchar(self):
        try:
            c_wchar
        except NameError:
            return # no unicode

        class PersonW(Structure):
            _fields_ = [("name", c_wchar * 12),
                        ("age", c_int)]

        p = PersonW("Someone \xe9")
        self.assertEqual(p.name, "Someone \xe9")

        self.assertEqual(PersonW("1234567890").name, "1234567890")
        self.assertEqual(PersonW("12345678901").name, "12345678901")
        # exact fit
        self.assertEqual(PersonW("123456789012").name, "123456789012")
        #too long
        self.assertRaises(ValueError, PersonW, "1234567890123")