Files
2026-07-13 13:11:15 +08:00

265 lines
11 KiB
Python

import tempfile
import unittest
from pathlib import Path
from unittest import mock
from tests.python.support.paths import add_repo_path
add_repo_path("skills/urdf/scripts")
from urdf import cli
from urdf.source import UrdfSourceError
def _write_urdf_source(path: Path, body: str) -> None:
path.write_text(
"\n".join(
[
"def gen_urdf():",
*[f" {line}" for line in body.splitlines()],
"",
]
),
encoding="utf-8",
)
def _strip_cadpy_metadata_comments(text: str) -> str:
return "\n".join(
line for line in text.splitlines() if not line.startswith("<!-- cadpy:")
) + "\n"
class UrdfCliTests(unittest.TestCase):
def test_requires_explicit_target(self) -> None:
with self.assertRaises(SystemExit) as cm:
cli.main([])
self.assertEqual(2, cm.exception.code)
def test_rejects_summary_option(self) -> None:
with self.assertRaises(SystemExit) as cm:
cli.main(["sample_robot.py", "--summary"])
self.assertEqual(2, cm.exception.code)
def test_rejects_validate_options(self) -> None:
for option in ("--validate", "--no-validate"):
with self.subTest(option=option):
with self.assertRaises(SystemExit) as cm:
cli.main(["sample_robot.py", option])
self.assertEqual(2, cm.exception.code)
def test_passes_targets_and_output(self) -> None:
with mock.patch.object(cli, "generate_urdf_targets", return_value=0) as generate:
self.assertEqual(0, cli.main(["sample_robot.py", "-o", "sample_robot.urdf"]))
generate.assert_called_once_with(["sample_robot.py"], output="sample_robot.urdf")
def test_rejects_output_with_pair_target(self) -> None:
with self.assertRaises(SystemExit) as cm:
cli.main(["sample_robot.py=sample_robot.urdf", "-o", "other.urdf"])
self.assertEqual(2, cm.exception.code)
def test_generates_default_sibling_output_from_xml_string(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
_write_urdf_source(
source_path,
"return '<robot name=\"sample\"><link name=\"base_link\" /></robot>'",
)
self.assertEqual(0, cli.generate_urdf_targets([str(source_path)]))
output_text = source_path.with_suffix(".urdf").read_text(encoding="utf-8")
self.assertIn("<!-- cadpy:sourcePath=", output_text)
self.assertEqual(
'<robot name="sample"><link name="base_link" /></robot>\n',
_strip_cadpy_metadata_comments(output_text),
)
def test_generates_default_sibling_output_from_element_root(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
source_path.write_text(
"\n".join(
[
"import xml.etree.ElementTree as ET",
"",
"def gen_urdf():",
" robot = ET.Element('robot', {'name': 'sample'})",
" ET.SubElement(robot, 'link', {'name': 'base_link'})",
" return robot",
"",
]
),
encoding="utf-8",
)
self.assertEqual(0, cli.generate_urdf_targets([str(source_path)]))
output_text = source_path.with_suffix(".urdf").read_text(encoding="utf-8")
self.assertIn("<!-- cadpy:sourcePath=", output_text)
self.assertEqual(
'<?xml version="1.0"?>\n<robot name="sample">\n <link name="base_link" />\n</robot>\n',
_strip_cadpy_metadata_comments(output_text),
)
def test_generates_envelope_output_from_element_root(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
source_path.write_text(
"\n".join(
[
"import xml.etree.ElementTree as ET",
"",
"def gen_urdf():",
" robot = ET.Element('robot', {'name': 'sample'})",
" ET.SubElement(robot, 'link', {'name': 'base_link'})",
" return {'xml': robot}",
"",
]
),
encoding="utf-8",
)
self.assertEqual(0, cli.generate_urdf_targets([str(source_path)]))
self.assertIn(
'<link name="base_link" />',
source_path.with_suffix(".urdf").read_text(encoding="utf-8"),
)
def test_generates_output_override_for_single_target(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
output_path = Path(tempdir) / "custom" / "robot.urdf"
_write_urdf_source(
source_path,
"return '<robot name=\"sample\"><link name=\"base_link\" /></robot>'",
)
self.assertEqual(0, cli.generate_urdf_targets([str(source_path)], output=str(output_path)))
self.assertTrue(output_path.exists())
self.assertFalse(source_path.with_suffix(".urdf").exists())
def test_validates_generated_output(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
output_path = Path(tempdir) / "custom" / "robot.urdf"
_write_urdf_source(
source_path,
"return '<robot name=\"sample\"><link name=\"base_link\" /></robot>'",
)
with mock.patch.object(cli, "read_urdf_source") as read_urdf_source:
self.assertEqual(0, cli.generate_urdf_targets([str(source_path)], output=str(output_path)))
read_urdf_source.assert_called_once_with(output_path.resolve())
def test_rejects_invalid_generated_output(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
output_path = Path(tempdir) / "custom" / "robot.urdf"
_write_urdf_source(source_path, "return '<not-robot />'")
with self.assertRaisesRegex(UrdfSourceError, "root element must be <robot>"):
cli.generate_urdf_targets([str(source_path)], output=str(output_path))
def test_generates_mixed_plain_and_paired_targets(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
root = Path(tempdir)
first_path = root / "first.py"
second_path = root / "second.py"
second_output = root / "custom" / "second.urdf"
_write_urdf_source(first_path, "return '<robot name=\"first\"><link name=\"base\" /></robot>'")
_write_urdf_source(second_path, "return '<robot name=\"second\"><link name=\"base\" /></robot>'")
self.assertEqual(0, cli.generate_urdf_targets([str(first_path), f"{second_path}={second_output}"]))
self.assertTrue(first_path.with_suffix(".urdf").exists())
self.assertTrue(second_output.exists())
self.assertFalse(second_path.with_suffix(".urdf").exists())
def test_rejects_legacy_urdf_output_field(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
_write_urdf_source(
source_path,
"\n".join(
[
"return {",
" 'xml': '<robot name=\"sample\"><link name=\"base_link\" /></robot>',",
" 'urdf_output': 'legacy/ignored.urdf',",
"}",
]
),
)
with self.assertRaisesRegex(TypeError, "unsupported field\\(s\\): urdf_output"):
cli.generate_urdf_targets([str(source_path)])
def test_rejects_legacy_validate_field(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
_write_urdf_source(
source_path,
"\n".join(
[
"return {",
" 'xml': '<robot name=\"sample\"><link name=\"base_link\" /></robot>',",
" 'validate': False,",
"}",
]
),
)
with self.assertRaisesRegex(TypeError, "unsupported field\\(s\\): validate"):
cli.generate_urdf_targets([str(source_path)])
def test_rejects_explorer_metadata_field(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
output_path = Path(tempdir) / "custom" / "sample_robot.urdf"
_write_urdf_source(
source_path,
"\n".join(
[
"return {",
" 'xml': '<robot name=\"sample\"><link name=\"base_link\" /></robot>',",
" 'explorer_metadata': {",
" 'schemaVersion': 1,",
" 'kind': 'example-urdf-consumer',",
" 'defaultJoints': {'joint_1': 90},",
" },",
"}",
]
),
)
with self.assertRaisesRegex(TypeError, "unsupported field\\(s\\): explorer_metadata"):
cli.generate_urdf_targets([f"{source_path}={output_path}"])
self.assertFalse(output_path.exists())
def test_rejects_invalid_output_suffix(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
source_path = Path(tempdir) / "sample_robot.py"
_write_urdf_source(source_path, "return '<robot name=\"sample\"><link name=\"base\" /></robot>'")
with self.assertRaisesRegex(ValueError, "must end in .urdf"):
cli.generate_urdf_targets([f"{source_path}={Path(tempdir) / 'sample.xml'}"])
def test_rejects_duplicate_output_paths(self) -> None:
with tempfile.TemporaryDirectory(prefix="tmp-urdf-") as tempdir:
first_path = Path(tempdir) / "first.py"
second_path = Path(tempdir) / "second.py"
output_path = Path(tempdir) / "same.urdf"
_write_urdf_source(first_path, "return '<robot name=\"first\"><link name=\"base\" /></robot>'")
_write_urdf_source(second_path, "return '<robot name=\"second\"><link name=\"base\" /></robot>'")
with self.assertRaisesRegex(ValueError, "used more than once"):
cli.generate_urdf_targets([f"{first_path}={output_path}", f"{second_path}={output_path}"])
if __name__ == "__main__":
unittest.main()