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Krzysztof kuhy Rudnicki
1ba202c567
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01JThjboXTeZ3yJPBzxMx5wS
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
"""Git-backed edge cases: caching, binary files, commits outside HEAD."""
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from __future__ import annotations
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from typing import TYPE_CHECKING
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from python_pkg.token_dashboard import commits, survival
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from python_pkg.token_dashboard.tests.test_efficiency import DAY, MONDAY, _commit, _git
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if TYPE_CHECKING:
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from pathlib import Path
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def _repo(tmp_path: Path) -> Path:
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repo = tmp_path / "r"
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repo.mkdir()
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_git(repo, "init", "-q", when=MONDAY)
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return repo
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def test_toplevel_is_resolved_once_per_hint(tmp_path: Path) -> None:
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repo = _repo(tmp_path)
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_commit(repo, "a", "1", MONDAY)
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cache: dict[str, str | None] = {}
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first = commits._toplevel(str(repo), cache)
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assert first == str(repo.resolve())
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cache[str(repo)] = "cached"
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assert commits._toplevel(str(repo), cache) == "cached"
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assert commits._toplevel("", cache) is None
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def test_binary_and_empty_files_do_not_count_as_added_lines(tmp_path: Path) -> None:
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repo = _repo(tmp_path)
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old = MONDAY - 40 * DAY
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(repo / "blob.bin").write_bytes(b"\x00\x01\x02")
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(repo / "empty.txt").write_text("", encoding="utf-8")
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(repo / "t.txt").write_text("1\n2\n", encoding="utf-8")
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_git(repo, "add", ".", when=old)
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_git(repo, "commit", "-qm", "mixed", when=old)
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sha = _git(repo, "rev-parse", "HEAD", when=old)
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found = survival.evaluate(str(repo), sha, MONDAY)
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assert (found.verdict, found.added, found.kept) == ("survived", 2, 2)
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def test_a_commit_that_is_not_an_ancestor_of_head_is_unknown(tmp_path: Path) -> None:
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repo = _repo(tmp_path)
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old = MONDAY - 40 * DAY
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_commit(repo, "a", "1", old)
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trunk = _git(repo, "branch", "--show-current", when=old)
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_git(repo, "checkout", "-qb", "side", when=old)
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side = _commit(repo, "b", "2", old + 1)
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_git(repo, "checkout", "-q", trunk, when=old)
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found = survival.evaluate(str(repo), side, MONDAY)
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assert (found.verdict, found.sha) == ("unknown", side)
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