Add visualize_dataset_html with http.server (#188)

tests/test_visualize_dataset_html.py

@@ -0,0 +1,36 @@
+#!/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.
+
+from pathlib import Path
+
+import pytest
+
+from lerobot.scripts.visualize_dataset_html import visualize_dataset_html
+
+
+@pytest.mark.parametrize(
+    "repo_id",
+    ["lerobot/pusht"],
+)
+def test_visualize_dataset_html(tmpdir, repo_id):
+    tmpdir = Path(tmpdir)
+    visualize_dataset_html(
+        repo_id,
+        episodes=[0],
+        output_dir=tmpdir,
+        serve=False,
+    )
+    assert (tmpdir / "static" / "episode_0.csv").exists()