dev_agent
0e726ac64f
Co-authored-by: dev_agent <dev_agent@cubecraftlabs.com> Co-committed-by: dev_agent <dev_agent@cubecraftlabs.com>
72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
"""The API host's zone and the effective application timezone (task 7e173881).
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With no zone stored the API reads its clock in the host's local time, so
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:func:`api.host_zone.effective_timezone` names that host zone — resolved
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the way the C library resolves local time — for the panel and admin app
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to format in. Every host configuration here is a temporary file tree.
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"""
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from __future__ import annotations
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from pathlib import Path
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import pytest
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from api import host_zone
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def _host(tmp_path: Path, *, link: str | None = None, name: str | None = None):
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"""A fake ``/etc``: ``localtime`` linked into a zoneinfo tree at
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``link``, and/or an ``/etc/timezone`` file holding ``name``."""
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localtime = tmp_path / "etc" / "localtime"
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timezone_file = tmp_path / "etc" / "timezone"
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localtime.parent.mkdir(parents=True)
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if link is not None:
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target = tmp_path / "usr" / "share" / "zoneinfo" / link
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target.parent.mkdir(parents=True)
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target.write_bytes(b"TZif")
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localtime.symlink_to(target)
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if name is not None:
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timezone_file.write_text(f"{name}\n", encoding="utf-8")
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return {"timezone_file": timezone_file, "localtime": localtime}
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def test_tz_environment_variable_wins(tmp_path: Path) -> None:
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paths = _host(tmp_path, link="Europe/Paris")
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assert host_zone.host_timezone({"TZ": "Asia/Kolkata"}, **paths) == "Asia/Kolkata"
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assert host_zone.host_timezone({"TZ": ":Asia/Kolkata"}, **paths) == "Asia/Kolkata"
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assert host_zone.host_timezone({"TZ": ""}, **paths) == "UTC"
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def test_localtime_link_names_the_zone(tmp_path: Path) -> None:
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paths = _host(tmp_path, link="America/Argentina/Buenos_Aires")
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assert host_zone.host_timezone({}, **paths) == "America/Argentina/Buenos_Aires"
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def test_etc_timezone_names_a_copied_localtime(tmp_path: Path) -> None:
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paths = _host(tmp_path, name="Pacific/Auckland")
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paths["localtime"].write_bytes(b"TZif")
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assert host_zone.host_timezone({}, **paths) == "Pacific/Auckland"
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def test_unconfigured_host_runs_utc(tmp_path: Path) -> None:
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assert host_zone.host_timezone({}, **_host(tmp_path)) == "UTC"
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@pytest.mark.parametrize("tz", ["EST+5", "Not/AZone", ":/etc/localtime"])
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def test_an_unnamed_host_zone_is_empty(tmp_path: Path, tz: str) -> None:
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assert host_zone.host_timezone({"TZ": tz}, **_host(tmp_path)) == ""
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def test_unnamed_copied_localtime_is_empty(tmp_path: Path) -> None:
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paths = _host(tmp_path)
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paths["localtime"].write_bytes(b"TZif")
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assert host_zone.host_timezone({}, **paths) == ""
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def test_effective_timezone_is_the_stored_zone_else_the_host_zone(
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monkeypatch,
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) -> None:
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monkeypatch.setattr(host_zone, "host_timezone", lambda: "Europe/Dublin")
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assert host_zone.effective_timezone("America/Chicago") == "America/Chicago"
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assert host_zone.effective_timezone("") == "Europe/Dublin"
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