old_contents: # Copyright 2022 The Kubric Authors.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """Render mock utils."""
  
  from __future__ import annotations
  
  import contextlib
  import functools
  from typing import Iterator, Optional, Sequence
  from unittest import mock
  
  import numpy as np
  
  
  def _make_array(
      *,
      batch_shape: tuple[int, ...],
      last_dim: int,
      dtype=np.float32,
  ) -> np.ndarray:
    """Creates a dummy array."""
    return np.zeros(shape=batch_shape + (last_dim,), dtype=dtype)
  
  
  _RENDERING_LAYERS = {
      'rgba': functools.partial(_make_array, last_dim=4, dtype=np.uint8),
      'segmentation': functools.partial(_make_array, last_dim=1, dtype=np.int32),
      'backward_flow': functools.partial(_make_array, last_dim=2),
      'forward_flow': functools.partial(_make_array, last_dim=2),
      'depth': functools.partial(_make_array, last_dim=1),
      'uv': functools.partial(_make_array, last_dim=3),
      'normal': functools.partial(_make_array, last_dim=3),
  }
  
  
  @contextlib.contextmanager
  def mock_render(num_frames: int = 1) -> Iterator[None]:
    """Mocked Blender rendering.
  
    Args:
      num_frames: The number of frames per scene to render.
  
    Yields:
      None
    """
  
    # Use closure instead of `functools.partial` because `partial` does not
    # implement the bound method descriptor.
  
    def render_fn(*args, **kwargs):
      return _render(*args, **kwargs, num_frames=num_frames)
  
    with mock.patch('kubric.renderer.blender.Blender.render', render_fn):
      yield
  
  
  def _render(
      self,
      frames: Optional[Sequence[int]] = None,
      *,
      num_frames: int,
  ) -> dict[str, np.ndarray]:
    """Mocked render."""
    del frames
    batch_shape = (num_frames, *self.scene.resolution)
    return {
        k: make_array_fn(batch_shape=batch_shape)
        for k, make_array_fn in _RENDERING_LAYERS.items()
    }
  
new_contents: # Copyright 2022 The Kubric Authors.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """Render mock utils."""
  
  from __future__ import annotations
  
  import contextlib
  import functools
  from typing import Iterator, Optional, Sequence
  from unittest import mock
  
  import numpy as np
  
  
  def _make_array(
      *,
      batch_shape: tuple[int, ...],
      last_dim: int,
      dtype=np.float32,
  ) -> np.ndarray:
    """Creates a dummy array."""
    return np.zeros(shape=batch_shape + (last_dim,), dtype=dtype)
  
  
  _RENDERING_LAYERS = {
      'rgba': functools.partial(_make_array, last_dim=4, dtype=np.uint8),
      'segmentation': functools.partial(_make_array, last_dim=1, dtype=np.int32),
      'backward_flow': functools.partial(_make_array, last_dim=2),
      'forward_flow': functools.partial(_make_array, last_dim=2),
      'depth': functools.partial(_make_array, last_dim=1),
      'uv': functools.partial(_make_array, last_dim=3),
      'normal': functools.partial(_make_array, last_dim=3),
  }
  
  
  @contextlib.contextmanager
  def mock_render(num_frames: int = 1) -> Iterator[None]:
    """Mocked Blender rendering.
  
    Args:
      num_frames: The number of frames per scene to render.
  
    Yields:
      None
    """
  
    # Use closure instead of `functools.partial` because `partial` does not
    # implement the bound method descriptor.
  
    def render_fn(*args, **kwargs):
      return _render(*args, **kwargs, num_frames=num_frames)
  
    with mock.patch('kubric.renderer.blender.Blender.render', render_fn):
      yield
  
  
  def _render(
      self,
      frames: Optional[Sequence[int]] = None,
      *,
      num_frames: int,
      **kwargs,
  ) -> dict[str, np.ndarray]:
    """Mocked render."""
    del frames
    batch_shape = (num_frames, *self.scene.resolution)
    return {
        k: make_array_fn(batch_shape=batch_shape)
        for k, make_array_fn in _RENDERING_LAYERS.items()
    }
  
subject: fix sunds test