Jeffrey Phillips Freeman
36c571db83
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70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
"""Benchmarks for coverage configuration parsing and threshold validation."""
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from __future__ import annotations
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import ast
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import re
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from pathlib import Path
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NOXFILE_PATH = Path("noxfile.py")
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PYPROJECT_PATH = Path("pyproject.toml")
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class TimeCoverageConfigParsing:
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"""Measure coverage configuration parsing performance."""
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def setup(self) -> None:
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"""Read source files once for reuse."""
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if NOXFILE_PATH.exists():
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self.noxfile_text = NOXFILE_PATH.read_text()
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else:
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self.noxfile_text = ""
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if PYPROJECT_PATH.exists():
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self.pyproject_text = PYPROJECT_PATH.read_text()
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else:
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self.pyproject_text = ""
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def time_parse_noxfile_ast(self) -> None:
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"""Benchmark AST parsing of noxfile.py."""
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if self.noxfile_text:
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ast.parse(self.noxfile_text)
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def time_extract_threshold_constant(self) -> None:
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"""Benchmark extracting COVERAGE_THRESHOLD from noxfile AST."""
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if self.noxfile_text:
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tree = ast.parse(self.noxfile_text)
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for node in ast.walk(tree):
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if isinstance(node, ast.Assign):
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for target in node.targets:
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if (
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isinstance(target, ast.Name)
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and target.id == "COVERAGE_THRESHOLD"
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and isinstance(node.value, ast.Constant)
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):
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_ = node.value.value
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def time_parse_pyproject_toml(self) -> None:
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"""Benchmark TOML parsing of pyproject.toml."""
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if self.pyproject_text:
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import tomllib
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tomllib.loads(self.pyproject_text)
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def time_extract_coverage_config(self) -> None:
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"""Benchmark extracting coverage config from pyproject.toml."""
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if self.pyproject_text:
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import tomllib
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data = tomllib.loads(self.pyproject_text)
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_ = data.get("tool", {}).get("coverage", {}).get("run", {})
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def time_parse_coverage_source(self) -> None:
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"""Benchmark extracting coverage source list from pyproject.toml."""
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if self.pyproject_text:
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re.findall(r"source\s*=\s*\[([^\]]+)\]", self.pyproject_text)
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def time_parse_fail_under(self) -> None:
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"""Benchmark extracting fail-under threshold from noxfile."""
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if self.noxfile_text:
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re.findall(r"--fail-under=(\d+)", self.noxfile_text)
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