move mock_calibration_dir in utils

tests/utils.py

@@ -13,10 +13,12 @@
 # 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.
+import json
 import os
 import platform
 from copy import copy
 from functools import wraps
+from pathlib import Path
 
 import pytest
 import torch
@@ -281,6 +283,32 @@ def require_motor(func):
     return wrapper
 
 
+def mock_calibration_dir(calibration_dir):
+    # TODO(rcadene): remove this hack
+    # calibration file produced with Moss v1, but works with Koch, Koch bimanual and SO-100
+    example_calib = {
+        "homing_offset": [-1416, -845, 2130, 2872, 1950, -2211],
+        "drive_mode": [0, 0, 1, 1, 1, 0],
+        "start_pos": [1442, 843, 2166, 2849, 1988, 1835],
+        "end_pos": [2440, 1869, -1106, -1848, -926, 3235],
+        "calib_mode": ["DEGREE", "DEGREE", "DEGREE", "DEGREE", "DEGREE", "LINEAR"],
+        "motor_names": ["shoulder_pan", "shoulder_lift", "elbow_flex", "wrist_flex", "wrist_roll", "gripper"],
+    }
+    Path(str(calibration_dir)).mkdir(parents=True, exist_ok=True)
+    with open(calibration_dir / "main_follower.json", "w") as f:
+        json.dump(example_calib, f)
+    with open(calibration_dir / "main_leader.json", "w") as f:
+        json.dump(example_calib, f)
+    with open(calibration_dir / "left_follower.json", "w") as f:
+        json.dump(example_calib, f)
+    with open(calibration_dir / "left_leader.json", "w") as f:
+        json.dump(example_calib, f)
+    with open(calibration_dir / "right_follower.json", "w") as f:
+        json.dump(example_calib, f)
+    with open(calibration_dir / "right_leader.json", "w") as f:
+        json.dump(example_calib, f)
+
+
 def make_robot(robot_type: str, overrides: list[str] | None = None, mock=False) -> Robot:
     if mock:
         overrides = [] if overrides is None else copy(overrides)