phono3py/test/cui/test_phono3py_load_script.py

88 lines
2.6 KiB
Python

"""Tests of Phono3py API."""
import os
import pathlib
from collections.abc import Sequence
from dataclasses import dataclass, fields
from typing import Optional
import pytest
from phono3py.cui.phono3py_script import main
cwd = pathlib.Path(__file__).parent
cwd_called = pathlib.Path.cwd()
@dataclass
class MockArgs:
"""Mock args of ArgumentParser."""
filename: Sequence[os.PathLike]
conf_filename: Optional[os.PathLike] = None
fc_calculator: Optional[str] = None
force_sets_mode: bool = False
force_sets_to_forces_fc2_mode: bool = False
log_level: Optional[int] = None
output_yaml_filename: Optional[os.PathLike] = None
show_num_triplets: bool = False
write_grid_points: bool = False
def __iter__(self):
"""Make self iterable to support in."""
return (getattr(self, field.name) for field in fields(self))
def test_phono3py_load():
"""Test phono3py-load script."""
# Check sys.exit(0)
argparse_control = _get_phono3py_load_args(
cwd / ".." / "phono3py_params_Si-111-222.yaml"
)
with pytest.raises(SystemExit) as excinfo:
main(**argparse_control)
assert excinfo.value.code == 0
# Clean files created by phono3py-load script.
for created_filename in ("phono3py.yaml", "fc2.hdf5", "fc3.hdf5"):
file_path = pathlib.Path(cwd_called / created_filename)
if file_path.exists():
file_path.unlink()
@pytest.mark.parametrize("fc_calculator,exit_code", [(None, 1), ("alm", 0)])
def test_phono3py_load_with_typeII_dataset(fc_calculator, exit_code):
"""Test phono3py-load script with typeII dataset."""
# Check sys.exit(0)
if fc_calculator == "alm":
pytest.importorskip("alm")
argparse_control = _get_phono3py_load_args(
cwd / ".." / "phono3py_params-Si111-rd.yaml.xz", fc_calculator=fc_calculator
)
with pytest.raises(SystemExit) as excinfo:
main(**argparse_control)
assert excinfo.value.code == exit_code
# Clean files created by phono3py-load script.
for created_filename in ("phono3py.yaml", "fc2.hdf5", "fc3.hdf5"):
file_path = pathlib.Path(cwd_called / created_filename)
if file_path.exists():
file_path.unlink()
def _get_phono3py_load_args(phono3py_yaml_filepath, fc_calculator=None):
# Mock of ArgumentParser.args.
mockargs = MockArgs(
filename=[phono3py_yaml_filepath],
fc_calculator=fc_calculator,
log_level=1,
)
# See phono3py-load script.
argparse_control = {
"fc_symmetry": True,
"is_nac": True,
"load_phono3py_yaml": True,
"args": mockargs,
}
return argparse_control