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from __future__ import annotations
import pathlib
from collections.abc import Callable
from operator import getitem
from typing import Any, TypeVar
import pytest
import pint
from ...compat import TypeAlias
UNITS = ("meter", "kilometer", "second", "minute", "angstrom", "millisecond", "ms")
OTHER_UNITS = ("meter", "angstrom", "kilometer/second", "angstrom/minute")
ALL_VALUES = ("int", "float", "complex")
T = TypeVar("T")
SetupType: TypeAlias = tuple[pint.UnitRegistry, dict[str, Any]]
def no_benchmark(fun: Callable[..., T], *args: Any, **kwargs: Any) -> T:
return fun(*args, **kwargs)
@pytest.fixture
def setup(registry_tiny: pint.UnitRegistry) -> SetupType:
data: dict[str, Any] = {}
data["int"] = 1
data["float"] = 1.0
data["complex"] = complex(1, 2)
return registry_tiny, data
@pytest.fixture
def my_setup(setup: SetupType) -> SetupType:
ureg, data = setup
for unit in UNITS + OTHER_UNITS:
data["uc_%s" % unit] = pint.util.to_units_container(unit, ureg)
return ureg, data
def test_build_cache(setup: SetupType, benchmark):
ureg, _ = setup
benchmark(ureg._build_cache)
@pytest.mark.parametrize("key", UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_getattr(benchmark, setup: SetupType, key: str, pre_run: bool):
ureg, _ = setup
if pre_run:
no_benchmark(getattr, ureg, key)
benchmark(getattr, ureg, key)
@pytest.mark.parametrize("key", UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_getitem(benchmark, setup: SetupType, key: str, pre_run: bool):
ureg, _ = setup
if pre_run:
no_benchmark(getitem, ureg, key)
benchmark(getitem, ureg, key)
@pytest.mark.parametrize("key", UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_parse_unit_name(benchmark, setup: SetupType, key: str, pre_run: bool):
ureg, _ = setup
if pre_run:
no_benchmark(ureg.parse_unit_name, key)
benchmark(ureg.parse_unit_name, key)
@pytest.mark.parametrize("key", UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_parse_units(benchmark, setup: SetupType, key: str, pre_run: bool):
ureg, _ = setup
if pre_run:
no_benchmark(ureg.parse_units, key)
benchmark(ureg.parse_units, key)
@pytest.mark.parametrize("key", UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_parse_expression(benchmark, setup: SetupType, key: str, pre_run: bool):
ureg, _ = setup
if pre_run:
no_benchmark(ureg.parse_expression, "1.0 " + key)
benchmark(ureg.parse_expression, "1.0 " + key)
@pytest.mark.parametrize("unit", OTHER_UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_base_units(benchmark, setup: SetupType, unit: str, pre_run: bool):
ureg, _ = setup
if pre_run:
no_benchmark(ureg.get_base_units, unit)
benchmark(ureg.get_base_units, unit)
@pytest.mark.parametrize("unit", OTHER_UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_to_units_container_registry(
benchmark, setup: SetupType, unit: str, pre_run: bool
):
ureg, _ = setup
if pre_run:
no_benchmark(pint.util.to_units_container, unit, ureg)
benchmark(pint.util.to_units_container, unit, ureg)
@pytest.mark.parametrize("unit", OTHER_UNITS)
@pytest.mark.parametrize("pre_run", (True, False))
def test_to_units_container_detached(
benchmark, setup: SetupType, unit: str, pre_run: bool
):
ureg, _ = setup
if pre_run:
no_benchmark(pint.util.to_units_container, unit, ureg)
benchmark(pint.util.to_units_container, unit, ureg)
@pytest.mark.parametrize(
"key", (("uc_meter", "uc_kilometer"), ("uc_kilometer/second", "uc_angstrom/minute"))
)
@pytest.mark.parametrize("pre_run", (True, False))
def test_convert_from_uc(benchmark, my_setup: SetupType, key: str, pre_run: bool):
src, dst = key
ureg, data = my_setup
if pre_run:
no_benchmark(ureg._convert, 1.0, data[src], data[dst])
benchmark(ureg._convert, 1.0, data[src], data[dst])
def test_parse_math_expression(benchmark, my_setup):
ureg, _ = my_setup
benchmark(ureg.parse_expression, "3 + 5 * 2 + value", value=10)
# This code is duplicated with other benchmarks but simplify comparison
@pytest.fixture
def cache_folder(tmppath_factory: pathlib.Path):
folder = tmppath_factory / "cache"
folder.mkdir(parents=True, exist_ok=True)
return folder
@pytest.mark.parametrize("use_cache_folder", (None, True))
def test_load_definitions_stage_1(benchmark, cache_folder, use_cache_folder):
"""empty registry creation"""
if use_cache_folder is True:
use_cache_folder = cache_folder
else:
use_cache_folder = None
benchmark(pint.UnitRegistry, None, cache_folder=use_cache_folder)
@pytest.mark.skip(
"Test failing ValueError: Group USCSLengthInternational already present in registry"
)
@pytest.mark.parametrize("use_cache_folder", (None, True))
def test_load_definitions_stage_2(benchmark, cache_folder, use_cache_folder):
"""empty registry creation + parsing default files + definition object loading"""
if use_cache_folder is True:
use_cache_folder = cache_folder
else:
use_cache_folder = None
from pint import errors
defpath = pathlib.Path(errors.__file__).parent / "default_en.txt"
empty_registry = pint.UnitRegistry(None, cache_folder=use_cache_folder)
benchmark(empty_registry.load_definitions, defpath, True)
@pytest.mark.parametrize("use_cache_folder", (None, True))
def test_load_definitions_stage_3(benchmark, cache_folder, use_cache_folder):
"""empty registry creation + parsing default files + definition object loading + cache building"""
if use_cache_folder is True:
use_cache_folder = cache_folder
else:
use_cache_folder = None
from pint import errors
defpath = pathlib.Path(errors.__file__).parent / "default_en.txt"
empty_registry = pint.UnitRegistry(None, cache_folder=use_cache_folder)
loaded_files = empty_registry.load_definitions(defpath, True)
benchmark(empty_registry._build_cache, loaded_files)
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