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lerobot/tests/runtime/test_sim_robocasa.py
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2026-07-15 13:42:45 +02:00

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Python

# Copyright 2026 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.
import sys
from types import SimpleNamespace
import numpy as np
from lerobot.utils.video_annotation import annotate_frame
def test_overlay_draws_each_label_once(monkeypatch):
put_text_calls = []
rectangle_calls = []
def put_text(image, text, origin, font, scale, color, thickness, line_type):
put_text_calls.append((text, color, thickness))
return image
def rectangle(image, start, end, color, thickness):
rectangle_calls.append((start, end, color, thickness))
return image
def add_weighted(src1, alpha, src2, beta, gamma, *, dst):
dst[:] = src1 * alpha + src2 * beta + gamma
return dst
fake_cv2 = SimpleNamespace(
FONT_HERSHEY_SIMPLEX=0,
LINE_AA=16,
getTextSize=lambda text, font, scale, thickness: ((len(text) * 7, 10), 0),
putText=put_text,
rectangle=rectangle,
addWeighted=add_weighted,
)
monkeypatch.setitem(sys.modules, "cv2", fake_cv2)
frame = np.full((120, 480, 3), 200, dtype=np.uint8)
annotated = annotate_frame(
frame,
(("Task", "close the fridge"), ("Subtask", "reach for the handle"), ("Memory", None)),
)
assert [call[0] for call in put_text_calls] == [
"Task: close the fridge",
"Subtask: reach for the handle",
]
assert all(color == (255, 255, 255) and thickness == 1 for _, color, thickness in put_text_calls)
assert len(rectangle_calls) == 1
assert not np.shares_memory(annotated, frame)