55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
from textwrap import dedent
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from testlib.fixtures.nix import Nix
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def test_substitute_truncated_nar(nix: Nix):
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drv = dedent("""
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derivation {
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name = "text";
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system = builtins.currentSystem;
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builder = "/bin/sh";
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args = [ "-c" "echo some text to make the nar less empty > $out" ];
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}
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""")
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cache_dir = nix.env.dirs.cache_dir
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cache_uri = f"file://{cache_dir}?compression=none"
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nar = cache_dir / "nar" / "0513ia03lmqyq8bipmvv0awjji48li22rbmm9p5iwzm08y8m810z.nar"
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nix.settings.feature("nix-command")
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res = nix.nix_build(["--no-out-link", "--expr", drv]).run().ok()
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out_path = res.stdout_plain
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res = nix.nix(["copy", "--to", cache_uri, out_path]).run().ok()
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assert "copying 1 path" in res.stderr_plain
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assert nar.exists()
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res = nix.nix([], "nix-collect-garbage", build=True).run().ok()
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# .drv file + built path
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assert "2 store paths deleted" in res.stderr_plain
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args = [
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"--no-out-link",
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"--debug",
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"--option",
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"substituters",
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cache_uri,
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"--option",
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"require-sigs",
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"false",
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"-j0",
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"--expr",
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drv,
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]
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# Ensure we can substitute with a non-corrupted nar
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res = nix.nix_build(args).run().ok()
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nar.write_bytes(nar.read_bytes()[:-10])
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nix.clear_store()
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res = nix.nix_build(args).run().expect(1)
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assert "error: some substitutes for the outputs of derivation" in res.stderr_plain
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assert "error: bad archive: unexpected end of nar encountered" in res.stderr_plain
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