mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-11-11 20:43:50 -06:00
Abdessamad Derraz
25ee245435
install.sh and install.ps1 refuse an installer above 2 MiB. The test fails once install.py passes 95 % of the cap both bootstraps read, so the cap is raised or the installer made smaller before a release stops every one-liner. Raising the cap raises the alert with it.
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
"""install.py stays under the size the one-liners accept.
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install.sh refuses an installer above MAX_INSTALLER_BYTES and install.ps1
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above $maximumInstallerBytes: past them every curl | sh and irm | iex
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stops before the first file. This test fails while there is still room,
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so the cap is raised, or the installer made smaller, before a release.
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"""
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from __future__ import annotations
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import tests # noqa: F401 offline, scratch under tmp/, the suite's own cache
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import re
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import unittest
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from pathlib import Path
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REPO_ROOT = Path(__file__).resolve().parent.parent
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# The share of the cap install.py may use: 1.9 MiB of 2 MiB. Raising the
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# cap in both bootstraps raises the alert with it.
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ALERT_SHARE = 0.95
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_UNITS = {"": 1, "KB": 1024, "MB": 1024 ** 2, "GB": 1024 ** 3}
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def shell_cap() -> int:
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text = (REPO_ROOT / "install.sh").read_text(encoding="utf-8")
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return int(re.search(r"^MAX_INSTALLER_BYTES=(\d+)$", text, re.MULTILINE).group(1))
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def powershell_cap() -> int:
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text = (REPO_ROOT / "install.ps1").read_text(encoding="utf-8")
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found = re.search(r"\$maximumInstallerBytes\s*=\s*(\d+)\s*(KB|MB|GB)?\b", text)
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return int(found.group(1)) * _UNITS[found.group(2) or ""]
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class InstallerFitsTheOneLiners(unittest.TestCase):
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def test_both_bootstraps_accept_the_same_size(self):
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self.assertEqual(shell_cap(), powershell_cap())
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def test_install_py_stays_below_the_alert(self):
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cap = shell_cap()
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size = (REPO_ROOT / "install.py").stat().st_size
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alert = int(cap * ALERT_SHARE)
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self.assertLess(
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size, alert,
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f"install.py is {size} bytes, past {alert} of the {cap} the one-liners "
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"accept: raise MAX_INSTALLER_BYTES in install.sh and $maximumInstallerBytes "
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"in install.ps1, or make the installer smaller")
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if __name__ == "__main__":
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unittest.main()
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