def testWrapperKerasStyle(self, wrapper, wrapper_v2):
"""Tests if wrapper cell is instantiated in keras style scope."""
wrapped_cell_v2 = wrapper_v2(rnn_cell_impl.BasicRNNCell(1))
self.assertIsNone(getattr(wrapped_cell_v2, "_keras_style", None))
wrapped_cell = wrapper(rnn_cell_impl.BasicRNNCell(1))
self.assertFalse(wrapped_cell._keras_style)
def testWrapperV2Caller(self, wrapper):
"""Tests that wrapper V2 is using the LayerRNNCell's caller."""
with legacy_base_layer.keras_style_scope():
base_cell = rnn_cell_impl.MultiRNNCell(
[rnn_cell_impl.BasicRNNCell(1) for _ in range(2)])
rnn_cell = wrapper(base_cell)
inputs = tf.convert_to_tensor([[1]], dtype=tf.float32)
state = tf.convert_to_tensor([[1]], dtype=tf.float32)
_ = rnn_cell(inputs, [state, state])
weights = base_cell._cells[0].weights
self.assertLen(weights, expected_len=2)
self.assertTrue(all("_wrapper" in v.name for v in weights))