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100 lines
3.4 KiB
Python
Executable File
100 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import hashlib
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import importlib.util
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import json
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import os
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import pathlib
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from types import ModuleType
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import pytest
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import requests
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PROJECT_EULER_DIR_PATH = pathlib.Path.cwd().joinpath("project_euler")
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PROJECT_EULER_ANSWERS_PATH = pathlib.Path.cwd().joinpath(
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"scripts", "project_euler_answers.json"
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)
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with open(PROJECT_EULER_ANSWERS_PATH) as file_handle:
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PROBLEM_ANSWERS: dict[str, str] = json.load(file_handle)
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def convert_path_to_module(file_path: pathlib.Path) -> ModuleType:
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"""Converts a file path to a Python module"""
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spec = importlib.util.spec_from_file_location(file_path.name, str(file_path))
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module = importlib.util.module_from_spec(spec) # type: ignore[arg-type]
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spec.loader.exec_module(module) # type: ignore[union-attr]
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return module
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def all_solution_file_paths() -> list[pathlib.Path]:
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"""Collects all the solution file path in the Project Euler directory"""
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solution_file_paths = []
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for problem_dir_path in PROJECT_EULER_DIR_PATH.iterdir():
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if problem_dir_path.is_file() or problem_dir_path.name.startswith("_"):
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continue
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for file_path in problem_dir_path.iterdir():
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if file_path.suffix != ".py" or file_path.name.startswith(("_", "test")):
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continue
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solution_file_paths.append(file_path)
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return solution_file_paths
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def get_files_url() -> str:
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"""Return the pull request number which triggered this action."""
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with open(os.environ["GITHUB_EVENT_PATH"]) as file:
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event = json.load(file)
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return event["pull_request"]["url"] + "/files"
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def added_solution_file_path() -> list[pathlib.Path]:
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"""Collects only the solution file path which got added in the current
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pull request.
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This will only be triggered if the script is ran from GitHub Actions.
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"""
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solution_file_paths = []
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headers = {
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"Accept": "application/vnd.github.v3+json",
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"Authorization": "token " + os.environ["GITHUB_TOKEN"],
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}
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files = requests.get(get_files_url(), headers=headers, timeout=10).json()
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for file in files:
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filepath = pathlib.Path.cwd().joinpath(file["filename"])
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if (
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filepath.suffix != ".py"
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or filepath.name.startswith(("_", "test"))
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or not filepath.name.startswith("sol")
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):
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continue
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solution_file_paths.append(filepath)
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return solution_file_paths
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def collect_solution_file_paths() -> list[pathlib.Path]:
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# Return only if there are any, otherwise default to all solutions
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if (
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os.environ.get("CI")
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and os.environ.get("GITHUB_EVENT_NAME") == "pull_request"
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and (filepaths := added_solution_file_path())
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):
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return filepaths
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return all_solution_file_paths()
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@pytest.mark.parametrize(
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"solution_path",
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collect_solution_file_paths(),
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ids=lambda path: f"{path.parent.name}/{path.name}",
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)
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def test_project_euler(solution_path: pathlib.Path) -> None:
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"""Testing for all Project Euler solutions"""
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# problem_[extract this part] and pad it with zeroes for width 3
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problem_number: str = solution_path.parent.name[8:].zfill(3)
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expected: str = PROBLEM_ANSWERS[problem_number]
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solution_module = convert_path_to_module(solution_path)
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answer = str(solution_module.solution())
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answer = hashlib.sha256(answer.encode()).hexdigest()
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assert answer == expected, (
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f"Expected solution to {problem_number} to have hash {expected}, got {answer}"
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)
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