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lerobot/tests/cameras/test_realsense.py

189 lines
6.3 KiB
Python

#!/usr/bin/env python
# Copyright 2024 The HuggingFace Inc. team. All rights reserved.
#
# 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.
# Example of running a specific test:
# ```bash
# pytest tests/cameras/test_opencv.py::test_connect
# ```
import os
from unittest.mock import patch
import numpy as np
import pytest
from lerobot.common.cameras.configs import Cv2Rotation
from lerobot.common.cameras.intel import RealSenseCamera, RealSenseCameraConfig
from lerobot.common.errors import DeviceAlreadyConnectedError, DeviceNotConnectedError
TEST_ARTIFACTS_DIR = os.path.join(os.path.dirname(os.path.dirname(__file__)), "artifacts", "cameras")
BAG_FILE_PATH = os.path.join(TEST_ARTIFACTS_DIR, "test.bag")
if not os.path.exists(BAG_FILE_PATH):
print(f"Warning: Bag file not found at {BAG_FILE_PATH}. Some tests might fail or be skipped.")
def mock_rs_config_enable_device_from_file(rs_config_instance, sn):
if not os.path.exists(BAG_FILE_PATH):
raise FileNotFoundError(f"Test bag file not found: {BAG_FILE_PATH}")
return rs_config_instance.enable_device_from_file(BAG_FILE_PATH, repeat_playback=True)
def mock_rs_config_enable_device_bad_file(rs_config_instance, sn):
return rs_config_instance.enable_device_from_file("non_existent_file.bag", repeat_playback=True)
def test_base_class_implementation():
config = RealSenseCameraConfig(serial_number=42)
_ = RealSenseCamera(config)
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_connect(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
assert camera.is_connected
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_connect_already_connected(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
with pytest.raises(DeviceAlreadyConnectedError):
camera.connect(do_warmup_read=False)
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_bad_file)
def test_connect_invalid_camera_path(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
with pytest.raises(ConnectionError):
camera.connect(do_warmup_read=False)
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_invalid_width_connect(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42, width=99999, height=480, fps=30)
camera = RealSenseCamera(config)
with pytest.raises(ConnectionError):
camera.connect(do_warmup_read=False)
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_read(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42, width=640, height=480, fps=30)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
img = camera.read()
assert isinstance(img, np.ndarray)
def test_read_before_connect():
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
with pytest.raises(DeviceNotConnectedError):
_ = camera.read()
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_disconnect(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
camera.disconnect()
assert not camera.is_connected
def test_disconnect_before_connect():
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
with pytest.raises(DeviceNotConnectedError):
camera.disconnect()
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_async_read(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42, width=640, height=480, fps=30)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
img = camera.async_read()
assert camera.thread is not None
assert camera.thread.is_alive()
assert isinstance(img, np.ndarray)
camera.disconnect() # To stop/join the thread. Otherwise get warnings when the test ends
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_async_read_timeout(mock_enable_device):
config = RealSenseCameraConfig(serial_number=42, width=640, height=480, fps=30)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
with pytest.raises(TimeoutError):
camera.async_read(timeout_ms=0)
camera.disconnect()
def test_async_read_before_connect():
config = RealSenseCameraConfig(serial_number=42)
camera = RealSenseCamera(config)
with pytest.raises(DeviceNotConnectedError):
_ = camera.async_read()
@pytest.mark.parametrize(
"rotation",
[
Cv2Rotation.NO_ROTATION,
Cv2Rotation.ROTATE_90,
Cv2Rotation.ROTATE_180,
Cv2Rotation.ROTATE_270,
],
)
@patch("pyrealsense2.config.enable_device", side_effect=mock_rs_config_enable_device_from_file)
def test_all_rotations(mock_enable_device, rotation):
config = RealSenseCameraConfig(serial_number=42, rotation=rotation)
camera = RealSenseCamera(config)
camera.connect(do_warmup_read=False)
img = camera.read()
assert isinstance(img, np.ndarray)
if rotation in (Cv2Rotation.ROTATE_90, Cv2Rotation.ROTATE_270):
assert camera.width == 480
assert camera.height == 640
assert img.shape[:2] == (640, 480)
else:
assert camera.width == 640
assert camera.height == 480
assert img.shape[:2] == (480, 640)