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clan tests: allow testing CLI interactions

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This is an improvement of the clanTest nixos vm test module.

The module now has a new option clan.test.fromFlake that allows to specify a flake.nix as the source for the test clan instead of specifying clan.XXX options.

This in turn allows accessing the `flake.nix` inside the test driver allowing to use the clan cli on it
This commit is contained in:
DavHau
2025-06-11 18:47:12 +07:00
parent 90746e0a19
commit b13f64c96d
10 changed files with 301 additions and 26 deletions
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48
pkgs/testing/flake-module.nix
View File

@@ -1,19 +1,37 @@
{
perSystem = {
legacyPackages.setupNixInNix = ''
export HOME=$TMPDIR
export NIX_STATE_DIR=$TMPDIR/nix
export NIX_CONF_DIR=$TMPDIR/etc
export IN_NIX_SANDBOX=1
export CLAN_TEST_STORE=$TMPDIR/store
# required to prevent concurrent 'nix flake lock' operations
export LOCK_NIX=$TMPDIR/nix_lock
mkdir -p "$CLAN_TEST_STORE/nix/store"
mkdir -p "$CLAN_TEST_STORE/nix/var/nix/gcroots"
if [[ -n "''${closureInfo-}" ]]; then
xargs cp --recursive --target "$CLAN_TEST_STORE/nix/store" < "$closureInfo/store-paths"
nix-store --load-db --store "$CLAN_TEST_STORE" < "$closureInfo/registration"
fi
'';
legacyPackages = {
setupNixInNix = ''
export HOME=$TMPDIR
export NIX_STATE_DIR=$TMPDIR/nix
export NIX_CONF_DIR=$TMPDIR/etc
export IN_NIX_SANDBOX=1
export CLAN_TEST_STORE=$TMPDIR/store
# required to prevent concurrent 'nix flake lock' operations
export LOCK_NIX=$TMPDIR/nix_lock
mkdir -p "$CLAN_TEST_STORE/nix/store"
mkdir -p "$CLAN_TEST_STORE/nix/var/nix/gcroots"
if [[ -n "''${closureInfo-}" ]]; then
xargs cp --recursive --target "$CLAN_TEST_STORE/nix/store" < "$closureInfo/store-paths"
nix-store --load-db --store "$CLAN_TEST_STORE" < "$closureInfo/registration"
fi
'';
setupNixInNixPython = ''
from os import environ
import subprocess
from pathlib import Path
environ['HOME'] = environ['TMPDIR']
environ['NIX_STATE_DIR'] = environ['TMPDIR'] + '/nix'
environ['NIX_CONF_DIR'] = environ['TMPDIR'] + '/etc'
environ['IN_NIX_SANDBOX'] = '1'
environ['CLAN_TEST_STORE'] = environ['TMPDIR'] + '/store'
environ['LOCK_NIX'] = environ['TMPDIR'] + '/nix_lock'
Path(environ['CLAN_TEST_STORE'] + '/nix/store').mkdir(parents=True, exist_ok=True)
Path(environ['CLAN_TEST_STORE'] + '/nix/var/nix/gcroots').mkdir(parents=True, exist_ok=True)
if 'closureInfo' in environ:
subprocess.run(['cp', '--recursive', '--target', environ['CLAN_TEST_STORE'] + '/nix/store'] + environ['closureInfo'].split(), check=True)
subprocess.run(['nix-store', '--load-db', '--store', environ['CLAN_TEST_STORE']] + ['<', environ['closureInfo'] + '/registration'], shell=True, check=True)
'';
};
};
}