83 lines
2.3 KiB
Nix
83 lines
2.3 KiB
Nix
{ lib, clanLib }:
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{
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/**
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This function is used to create a module that can be imported into flake-parts
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and used to run eval tests.
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Usage: `lib.modules.importApply makeEvalChecks { module = module-under-test; testArgs = { }; }`
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returns a module to be imported into flake-parts
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Which in turn adds to the flake:
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- legacyPackages.<system>.eval-tests-<testName>: The attribute set passed to nix-unit. (Exposed for debugging i.e. via nix repl).
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- checks.<system>.eval-tests-<testName>: A derivation that can be built and fails if nix-unit fails
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*/
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makeEvalChecks =
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{
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fileset,
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inputs,
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testName,
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tests,
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module,
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testArgs ? { },
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}:
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let
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inputOverrides = clanLib.flake-inputs.getOverrides inputs;
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attrName = "eval-tests-${testName}";
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in
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{
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pkgs,
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system,
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...
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}:
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{
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legacyPackages.${attrName} = import tests (
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{
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inherit clanLib lib module;
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}
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// testArgs
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);
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checks.${attrName} =
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let
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# The root is two directories up from where this file is located
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root = ../..;
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# Combine the user-provided fileset with all flake-module.nix files
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# and other essential files
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src = lib.fileset.toSource {
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inherit root;
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fileset = lib.fileset.unions [
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# Core flake files
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(root + "/flake.nix")
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(root + "/flake.lock")
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# All flake-module.nix files anywhere in the tree
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(lib.fileset.fileFilter (file: file.name == "flake-module.nix") root)
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# The flakeModules/clan.nix if it exists
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(lib.fileset.maybeMissing (root + "/flakeModules/clan.nix"))
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# Core libraries
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(root + "/lib")
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# User-provided fileset
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fileset
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];
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};
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in
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pkgs.runCommand "tests" { nativeBuildInputs = [ pkgs.nix-unit ]; } ''
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export HOME="$(realpath .)"
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nix-unit --eval-store "$HOME" \
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--extra-experimental-features flakes \
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--show-trace \
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${inputOverrides} \
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--flake ${src}#legacyPackages.${system}.${attrName}
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touch $out
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'';
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};
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}
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