47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
from pathlib import Path
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from testlib.fixtures.file_helper import with_files
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from testlib.fixtures.nix import Nix
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from testlib.utils import get_global_asset
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@with_files({"config.nix": get_global_asset("config.nix")})
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class TestOptimizeStore:
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def _test_optimise_store(self, nix: Nix):
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def build(name: str, *extra_args: str) -> Path:
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expr = f"""
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with import ./config.nix; mkDerivation {{
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name = "{name}";
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builder = builtins.toFile "builder" "mkdir $out; echo hello > $out/foo";
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}}
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"""
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result = nix.nix_build(["-E", expr, "--no-out-link", *extra_args]).run().ok()
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return Path(result.stdout_plain)
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out1 = build("foo1", "--auto-optimise-store")
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out2 = build("foo2", "--auto-optimise-store")
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assert (out1 / "foo").samefile(out2 / "foo")
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assert (out1 / "foo").stat().st_nlink == 3
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out3 = build("foo3", "--no-auto-optimise-store")
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assert not (out1 / "foo").samefile(out3 / "foo")
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nix.nix_store(["--optimise"]).run().ok()
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assert (out1 / "foo").samefile(out3 / "foo")
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nix.nix_store(["--gc"]).run().ok()
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assert list((nix.env.dirs.real_store_dir / ".links").glob("*")) == []
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def test_optimise_store(self, nix: Nix):
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self._test_optimise_store(nix)
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def test_optimise_store_daemon(self, nix: Nix):
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nix.settings.auto_optimise_store = True
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with nix.daemon([], {"trusted-users": "*"}) as inner:
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self._test_optimise_store(inner)
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