109 lines
3.6 KiB
Python
109 lines
3.6 KiB
Python
#!/usr/bin/env python3
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# Copyright 2010-2022 Google LLC
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for mathopt."""
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import inspect
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import types
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import typing
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from typing import Any, List, Set, Tuple
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import unittest
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from ortools.math_opt.python import callback
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from ortools.math_opt.python import hash_model_storage
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from ortools.math_opt.python import mathopt
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from ortools.math_opt.python import message_callback
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from ortools.math_opt.python import model
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from ortools.math_opt.python import model_parameters
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from ortools.math_opt.python import model_storage
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from ortools.math_opt.python import parameters
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from ortools.math_opt.python import result
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from ortools.math_opt.python import solution
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from ortools.math_opt.python import solve
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from ortools.math_opt.python import sparse_containers
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# This list does not contain some modules intentionally:
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#
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# - `remote_solve`: this depends on Stubby and having it in mathopt.py would
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# force all users using MathOpt to depend on Stubby.
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#
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# - `statistics`: this is not part of the main libraries. In C++ too it is not
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# included by `cpp/math_opt.h`. If we decide to change that, then maybe it
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# would make sense to replace the top-level functions by member functions on
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# the Model.
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#
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_MODULES_TO_CHECK: List[types.ModuleType] = [
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callback,
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hash_model_storage,
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message_callback,
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model,
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model_parameters,
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model_storage,
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parameters,
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result,
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sparse_containers,
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solution,
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solve,
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]
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# Some symbols are not meant to be exported; we exclude them here.
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_EXCLUDED_SYMBOLS: Set[Tuple[types.ModuleType, str]] = {
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(solution, "T"),
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}
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_TYPING_PUBLIC_CONTENT = [
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getattr(typing, name) for name in dir(typing) if not name.startswith("_")
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]
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def _is_actual_export(v: Any) -> bool:
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if inspect.ismodule(v):
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return False
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if getattr(v, "__module__", None) != typing.__name__:
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return True
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return v not in _TYPING_PUBLIC_CONTENT
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def _get_public_api(module: types.ModuleType) -> List[Tuple[str, Any]]:
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tuple_list = inspect.getmembers(module, _is_actual_export)
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return [(name, obj) for name, obj in tuple_list if not name.startswith("_")]
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class MathoptTest(unittest.TestCase):
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def test_imports(self) -> None:
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missing_imports: List[str] = []
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for module in _MODULES_TO_CHECK:
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for name, obj in _get_public_api(module):
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if (module, name) in _EXCLUDED_SYMBOLS:
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continue
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if hasattr(mathopt, name):
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self.assertIs(
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getattr(mathopt, name),
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obj,
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msg=f"module: {module.__name__} name: {name}",
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)
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else:
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# We don't immediately asserts on a missing import so that we can get
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# the list of all missing ones.
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missing_imports.append(f"from {module.__name__} import {name}")
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# We can't have \ in an expression inside an f-string.
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nl = "\n"
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self.assertFalse(
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bool(missing_imports),
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msg=f"missing imports:\n{nl.join(missing_imports)}",
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)
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if __name__ == "__main__":
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unittest.main()
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