def test_view_failed_delitem(attr):
    adata = gen_adata((10, 10))
    view = adata[5:7, :][:, :5]
    adata_hash = joblib.hash(adata)
    view_hash = joblib.hash(view)

    with pytest.raises(KeyError):
        getattr(view, attr).__delitem__("not a key")

    assert view.is_view
    assert adata_hash == joblib.hash(adata)
    assert view_hash == joblib.hash(view)
def test_urls():
    urls = [
        'http://www.djangoproject.com/',
        'http://localhost/',
        'http://example.com/',
        'http://www.example.com/',
        'http://www.example.com:8000/test',
        'http://valid-with-hyphens.com/',
        'http://subdomain.example.com/',
        'http://200.8.9.10/',
        'http://200.8.9.10:8000/test',
        'http://valid-----hyphens.com/',
        'http://example.com?something=value',
        'http://example.com/index.php?something=value&another=value2',
        'http://foo:bar@example.com',
        'http://foo:@example.com',
        'http://foo:@2001:db8:85a3::8a2e:370:7334',
        'http://foo2:qd1%r@example.com',
    ]

    for value in urls:
        yield assert_equal, inputs.url(value), value