core/lib/tests/modules/declaration-positions.nix
2024-05-01 18:26:04 -04:00

50 lines
1.5 KiB
Nix

{ lib, options, ... }:
let discardPositions = lib.mapAttrs (k: v: v);
in
# unsafeGetAttrPos is unspecified best-effort behavior, so we only want to consider this test on an evaluator that satisfies some basic assumptions about this function.
assert builtins.unsafeGetAttrPos "a" { a = true; } != null;
assert builtins.unsafeGetAttrPos "a" (discardPositions { a = true; }) == null;
{
imports = [
{
options.imported.line10 = lib.mkOption {
type = lib.types.int;
};
# Simulates various patterns of generating modules such as
# programs.firefox.nativeMessagingHosts.ff2mpv. We don't expect to get
# line numbers for these, but we can fall back on knowing the file.
options.generated = discardPositions {
line18 = lib.mkOption {
type = lib.types.int;
};
};
options.submoduleLine34.extraOptLine23 = lib.mkOption {
default = 1;
type = lib.types.int;
};
}
];
options.nested.nestedLine30 = lib.mkOption {
type = lib.types.int;
};
options.submoduleLine34 = lib.mkOption {
default = { };
type = lib.types.submoduleWith {
modules = [
({ options, ... }: {
options.submodDeclLine39 = lib.mkOption { };
})
{ freeformType = with lib.types; lazyAttrsOf (uniq unspecified); }
];
};
};
config = {
submoduleLine34.submodDeclLine39 = (options.submoduleLine34.type.getSubOptions [ ]).submodDeclLine39.declarationPositions;
};
}