feat: scaffold iiwa_experement package

src/iiwa_experement/test/test_package_layout.py

@@ -0,0 +1,48 @@
+"""The package installs the files that the launch entry point needs."""
+from pathlib import Path
+
+from ament_index_python.packages import get_package_share_directory
+
+
+PACKAGE = Path(__file__).resolve().parents[1]
+
+
+def test_package_declares_its_ros_dependencies():
+    manifest = (PACKAGE / 'package.xml').read_text(encoding='utf-8')
+    for dependency in (
+        'rclpy',
+        'ament_index_python',
+        'webots_ros2_msgs',
+        'std_srvs',
+        'python3-yaml',
+        'iiwa_description',
+        'iiwa_bringup',
+        'iiwa_config',
+        'launch',
+        'launch_ros',
+    ):
+        assert f'<exec_depend>{dependency}</exec_depend>' in manifest
+
+
+def test_versioned_specifications_match_the_approved_copies():
+    root = PACKAGE.parents[1]
+    pairs = (
+        ('docs/superpowers/specs/2026-11-08-grant-experiments.md', 'doc/experements.md'),
+        ('docs/superpowers/specs/2026-11-08-grant-scenes.md', 'doc/experiment-scenes.md'),
+    )
+    for source, installed in pairs:
+        assert (PACKAGE / installed).read_text(encoding='utf-8') == (
+            root / source
+        ).read_text(encoding='utf-8')
+
+
+def test_expected_resources_are_installed():
+    share = Path(get_package_share_directory('iiwa_experement'))
+    for relative in (
+        'package.xml',
+        'doc/experements.md',
+        'doc/experiment-scenes.md',
+    ):
+        path = share / relative
+        assert path.is_file(), path
+        assert path.stat().st_size > 0, path