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71 lines
2.3 KiB
Nix
71 lines
2.3 KiB
Nix
# make sure to use NON EXISTING kernel settings else they may conflict with
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# common-config.nix
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{ lib, pkgs }:
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let
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lts_kernel = pkgs.linuxPackages.kernel;
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# to see the result once the module transformed the lose structured config
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getConfig = structuredConfig:
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(lts_kernel.override {
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structuredExtraConfig = structuredConfig;
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}).configfile.structuredConfig;
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mandatoryVsOptionalConfig = lib.mkMerge [
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{ NIXOS_FAKE_USB_DEBUG = lib.kernel.yes;}
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{ NIXOS_FAKE_USB_DEBUG = lib.kernel.option lib.kernel.yes; }
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];
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freeformConfig = lib.mkMerge [
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{ NIXOS_FAKE_MMC_BLOCK_MINORS = lib.kernel.freeform "32"; } # same as default, won't trigger any error
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{ NIXOS_FAKE_MMC_BLOCK_MINORS = lib.kernel.freeform "64"; } # will trigger an error but the message is not great:
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];
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mkDefaultWorksConfig = lib.mkMerge [
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{ "NIXOS_TEST_BOOLEAN" = lib.kernel.yes; }
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{ "NIXOS_TEST_BOOLEAN" = lib.mkDefault lib.kernel.no; }
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];
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allOptionalRemainOptional = lib.mkMerge [
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{ NIXOS_FAKE_USB_DEBUG = lib.kernel.option lib.kernel.yes;}
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{ NIXOS_FAKE_USB_DEBUG = lib.kernel.option lib.kernel.yes;}
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];
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failures = lib.runTests {
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testEasy = {
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expr = (getConfig { NIXOS_FAKE_USB_DEBUG = lib.kernel.yes;}).NIXOS_FAKE_USB_DEBUG;
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expected = { tristate = "y"; optional = false; freeform = null; };
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};
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# mandatory flag should win over optional
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testMandatoryCheck = {
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expr = (getConfig mandatoryVsOptionalConfig).NIXOS_FAKE_USB_DEBUG.optional;
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expected = false;
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};
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testYesWinsOverNo = {
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expr = (getConfig mkDefaultWorksConfig)."NIXOS_TEST_BOOLEAN".tristate;
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expected = "y";
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};
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testAllOptionalRemainOptional = {
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expr = (getConfig allOptionalRemainOptional)."NIXOS_FAKE_USB_DEBUG".optional;
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expected = true;
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};
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# check that freeform options are unique
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# Should trigger
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# > The option `settings.NIXOS_FAKE_MMC_BLOCK_MINORS.freeform' has conflicting definitions, in `<unknown-file>' and `<unknown-file>'
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testTreeform = let
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res = builtins.tryEval ( (getConfig freeformConfig).NIXOS_FAKE_MMC_BLOCK_MINORS.freeform);
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in {
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expr = res.success;
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expected = false;
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};
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};
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in
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lib.optional (failures != [])
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(throw "The following kernel unit tests failed: ${lib.generators.toPretty {} failures}")
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