53 lines
1.5 KiB
Nix
53 lines
1.5 KiB
Nix
{ lib, pkgs }:
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with lib.kernel;
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with lib.asserts;
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with lib.modules;
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# To test nixos/modules/system/boot/kernel_config.nix;
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let
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# copied from release-lib.nix
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assertTrue = bool:
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if bool
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then pkgs.runCommand "evaluated-to-true" {} "touch $out"
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else pkgs.runCommand "evaluated-to-false" {} "false";
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lts_kernel = pkgs.linuxPackages.kernel;
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kernelTestConfig = structuredConfig: (lts_kernel.override {
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structuredExtraConfig = structuredConfig;
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}).configfile.structuredConfig;
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mandatoryVsOptionalConfig = mkMerge [
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{ USB_DEBUG = option yes;}
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{ USB_DEBUG = yes;}
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];
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freeformConfig = mkMerge [
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{ MMC_BLOCK_MINORS = freeform "32"; } # same as default, won't trigger any error
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{ MMC_BLOCK_MINORS = freeform "64"; } # will trigger an error but the message is not great:
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];
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yesWinsOverNoConfig = mkMerge [
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# default for "8139TOO_PIO" is no
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{ "8139TOO_PIO" = yes; } # yes wins over no by default
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{ "8139TOO_PIO" = no; }
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];
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in
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{
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# mandatory flag should win over optional
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mandatoryCheck = (kernelTestConfig mandatoryVsOptionalConfig);
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# check that freeform options are unique
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# Should trigger
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# > The option `settings.MMC_BLOCK_MINORS.freeform' has conflicting definitions, in `<unknown-file>' and `<unknown-file>'
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freeformCheck = let
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res = builtins.tryEval ( (kernelTestConfig freeformConfig).MMC_BLOCK_MINORS.freeform);
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in
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assertTrue (res.success == false);
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yesVsNoCheck = let
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res = kernelTestConfig yesWinsOverNoConfig;
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in
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assertTrue (res."8139TOO_PIO".tristate == "y");
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}
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