Add test that shows that the aliases are able to override options.

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(cdep)illabout 2019-01-06 18:10:03 +09:00
parent f24e2d0721
commit 7314d885a1
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2 changed files with 55 additions and 0 deletions

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@ -151,6 +151,9 @@ checkConfigOutput "1 2 3 4 5 6 7 8 9 10" config.result ./loaOf-with-many-list-me
# Check mkAliasOptionModuleWithPriority.
checkConfigOutput "true" config.enable ./alias-with-priority.nix
checkConfigOutput "true" config.enableAlias ./alias-with-priority.nix
checkConfigOutput "false" config.enable ./alias-with-priority-can-override.nix
checkConfigOutput "false" config.enableAlias ./alias-with-priority-can-override.nix
cat <<EOF
====== module tests ======

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@ -0,0 +1,52 @@
# This is a test to show that mkAliasOptionModule sets the priority correctly
# for aliased options.
{ config, lib, ... }:
with lib;
{
options = {
# A simple boolean option that can be enabled or disabled.
enable = lib.mkOption {
type = types.nullOr types.bool;
default = null;
example = true;
description = ''
Some descriptive text
'';
};
# mkAliasOptionModule sets warnings, so this has to be defined.
warnings = mkOption {
internal = true;
default = [];
type = types.listOf types.str;
example = [ "The `foo' service is deprecated and will go away soon!" ];
description = ''
This option allows modules to show warnings to users during
the evaluation of the system configuration.
'';
};
};
imports = [
# Create an alias for the "enable" option.
(mkAliasOptionModuleWithPriority [ "enableAlias" ] [ "enable" ])
# Disable the aliased option, but with a default (low) priority so it
# should be able to be overridden by the next import.
( { config, lib, ... }:
{
enableAlias = lib.mkForce false;
}
)
# Enable the normal (non-aliased) option.
( { config, lib, ... }:
{
enable = true;
}
)
];
}