52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from testlib.fixtures.nix import Nix
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from testlib.fixtures.file_helper import CopyFile, with_files
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files = {"case.nar": CopyFile("assets/case.nar")}
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opts = ["--option", "use-case-hack", "true"]
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expected = {
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"x",
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"x/FOO",
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"x/Foo~nix~case~hack~1",
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"x/foo~nix~case~hack~2",
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"x/foo~nix~case~hack~2/A",
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"x/foo~nix~case~hack~2/A/foo",
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"x/foo~nix~case~hack~2/a~nix~case~hack~1",
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"x/foo~nix~case~hack~2/a~nix~case~hack~1/foo",
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"x/foo-1",
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"x/foo0",
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"xt_CONNMARK.h",
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"xt_CONNmark.h~nix~case~hack~1",
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"xt_connmark.h~nix~case~hack~2",
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}
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@with_files(files)
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def test_case_hack(nix: Nix):
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nar_path = nix.env.dirs.home / "case.nar"
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nar = nar_path.read_bytes()
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out = nix.env.dirs.home / "case"
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# Check whether restoring and dumping a NAR that contains case
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# collisions is round-tripping, even on a case-insensitive system.
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nix.nix_store([*opts, "--restore", out]).with_stdin(nar).run().ok()
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assert set({str(p.relative_to(out)) for p in out.rglob("*")}) == expected
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dumped = nix.nix_store([*opts, "--dump", out]).run().ok().stdout
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assert dumped == nar
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out_hash = nix.nix([*opts, "--type", "sha256", out], nix_exe="nix-hash").run().ok().stdout_plain
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nar_hash = (
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nix.nix(["--flat", "--type", "sha256", nar_path], nix_exe="nix-hash")
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.run()
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.ok()
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.stdout_plain
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)
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assert out_hash == nar_hash
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# Check whether we detect true collisions (e.g. those remaining after
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# removal of the suffix).
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(out / "xt_CONNMARK.h~nix~case~hack~3").write_text("")
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assert "file name collision" in nix.nix_store([*opts, "--dump", out]).run().expect(1).stderr_s
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