diff options
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | gnu/home/services.scm | 12 | ||||
| -rw-r--r-- | tests/home-services.scm | 46 |
3 files changed, 59 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index f585d00b86..89bc03c9a2 100644 --- a/Makefile.am +++ b/Makefile.am @@ -497,6 +497,7 @@ SCM_TESTS = \ tests/gremlin.scm \ tests/hackage.scm \ tests/home-import.scm \ + tests/home-services.scm \ tests/http-client.scm \ tests/import-git.scm \ tests/import-github.scm \ diff --git a/gnu/home/services.scm b/gnu/home/services.scm index 8284a4f3fc..5ee3357792 100644 --- a/gnu/home/services.scm +++ b/gnu/home/services.scm @@ -33,6 +33,7 @@ #:use-module (guix modules) #:use-module (srfi srfi-1) #:use-module (ice-9 match) + #:use-module (ice-9 vlist) #:export (home-service-type home-profile-service-type @@ -50,6 +51,7 @@ xdg-data-files-directory fold-home-service-types + lookup-home-service-types home-provenance %initialize-gettext) @@ -605,3 +607,13 @@ environment, and its configuration file, when available."))) (define* (fold-home-service-types proc seed) (fold-service-types proc seed (all-home-service-modules))) + +(define lookup-home-service-types + (let ((table + (delay (fold-home-service-types (lambda (type result) + (vhash-consq (service-type-name type) + type result)) + vlist-null)))) + (lambda (name) + "Return the list of services with the given NAME (a symbol)." + (vhash-foldq* cons '() name (force table))))) diff --git a/tests/home-services.scm b/tests/home-services.scm new file mode 100644 index 0000000000..e13733cabd --- /dev/null +++ b/tests/home-services.scm @@ -0,0 +1,46 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (test-home-services) + #:use-module (gnu services) + #:use-module (gnu home services) + #:use-module (guix diagnostics) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-64) + #:use-module (ice-9 match)) + +(test-begin "home-services") + +(test-assert "fold-home-service-types" + (match (fold-home-service-types cons '()) + (() #f) + (lst (and (every service-type? lst) + (every (lambda (type) + (let ((location (service-type-location type))) + (string-contains (location-file location) + "gnu/home"))) + lst))))) + +(test-eq "lookup-service-types" + home-files-service-type + (and (null? (lookup-home-service-types 'does-not-exist-at-all)) + (match (lookup-home-service-types 'home-files) + ((one) one) + (x x)))) + +(test-end) |