Revision a568fedc96dd8528a49ebaaec1d2b47e2d9af811 authored by sc336 on 02 December 2022, 14:13:17 UTC, committed by GitHub on 02 December 2022, 14:13:17 UTC
* Update version * Update VERSION
1 parent 739d3c6
test_all.py
# Copyright 2022 the GPflow authors.
#
# 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.
import ast
import importlib
from pathlib import Path
from types import ModuleType
from typing import Any, List, Optional, Sequence
import pytest
import gpflow
def is_dunder(name: str) -> bool:
return name.startswith("__") and name.endswith("__")
def get_module_path(module: ModuleType) -> Path:
path_str = module.__file__
assert path_str is not None
return Path(path_str)
def is_package(module: ModuleType) -> bool:
return get_module_path(module).name == "__init__.py"
def find_modules(root: ModuleType) -> Sequence[ModuleType]:
root_path = get_module_path(root).parent
parent = root_path.parent
result: List[ModuleType] = []
for path in root_path.glob("**/*.py"):
relative_path = path.relative_to(parent)
if relative_path.name == "__init__.py":
module_name__slashes = str(relative_path.parent)
else:
module_name__slashes = str(relative_path)[:-3]
module_name = module_name__slashes.replace("/", ".")
result.append(importlib.import_module(module_name))
return result
_MODULES = find_modules(gpflow)
_PACKAGES = [m for m in _MODULES if is_package(m)]
_MODULES_WITH_ALL = [m for m in _MODULES if hasattr(m, "__all__")]
@pytest.mark.parametrize("package", _PACKAGES)
def test_all_present_and_up_to_date(package: ModuleType) -> None:
imported_sorted = sorted(attr for attr in dir(package) if not is_dunder(attr))
all_list = getattr(package, "__all__", None)
assert all_list is not None, f"Package {package} is missing an explicit __all__."
all_sorted = sorted(attr for attr in all_list if not is_dunder(attr))
assert imported_sorted == all_sorted, (
f"{package}.__all__ is outdated."
f" Imported values are {imported_sorted}, but exported values are {all_list}."
)
@pytest.mark.parametrize("module", _MODULES_WITH_ALL)
def test_all_sorted(module: ModuleType) -> None:
all_list = getattr(module, "__all__", None)
assert all_list is not None # Hint for mypy.
all_sorted = sorted(all_list)
assert (
all_sorted == all_list
), f"{module}.__all__ is not sorted. Expected {all_sorted}, found {all_list}."
@pytest.mark.parametrize("module", _MODULES_WITH_ALL)
def test_all_static(module: ModuleType) -> None:
module_path = get_module_path(module)
tree = ast.parse(module_path.read_text(), str(module_path))
assert isinstance(tree, ast.Module)
def is_all_assignment(t: Any) -> bool:
return (
isinstance(t, ast.Assign)
and len(t.targets) == 1
and isinstance(t.targets[0], ast.Name)
and t.targets[0].id == "__all__"
)
all_assignment: Optional[ast.Assign] = None
for t in tree.body:
if is_all_assignment(t):
all_assignment = t # type: ignore[assignment]
assert all_assignment is not None, f"No `__all__` found in module {module}."
error_message = "__all__ must be a static list of constant strings. Some tools expect this."
all_value = all_assignment.value
assert isinstance(all_value, ast.List), error_message
assert all(
# Actual type depends on Python version:
(isinstance(t, ast.Constant) or isinstance(t, ast.Str))
for t in all_value.elts
), error_message
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