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;;; dbus-tests.el --- Tests of D-Bus integration into Emacs
;; Copyright (C) 2013-2015 Free Software Foundation, Inc.
;; Author: Michael Albinus <michael.albinus@gmx.de>
;; This program 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.
;;
;; This program 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 this program. If not, see `http://www.gnu.org/licenses/'.
;;; Code:
(require 'ert)
(require 'dbus)
(setq dbus-debug nil)
(defvar dbus--test-enabled-session-bus
(and (featurep 'dbusbind)
(dbus-ignore-errors (dbus-get-unique-name :session)))
"Check, whether we are registered at the session bus.")
(defvar dbus--test-enabled-system-bus
(and (featurep 'dbusbind)
(dbus-ignore-errors (dbus-get-unique-name :system)))
"Check, whether we are registered at the system bus.")
(defun dbus--test-availability (bus)
"Test availability of D-Bus BUS."
(should (dbus-list-names bus))
(should (dbus-list-activatable-names bus))
(should (dbus-list-known-names bus))
(should (dbus-get-unique-name bus)))
(ert-deftest dbus-test00-availability-session ()
"Test availability of D-Bus `:session'."
:expected-result (if dbus--test-enabled-session-bus :passed :failed)
(dbus--test-availability :session))
(ert-deftest dbus-test00-availability-system ()
"Test availability of D-Bus `:system'."
:expected-result (if dbus--test-enabled-system-bus :passed :failed)
(dbus--test-availability :system))
(ert-deftest dbus-test01-type-conversion ()
"Check type conversion functions."
(let ((ustr "0123abc_xyz\x01\xff")
(mstr "Grüß Göttin"))
(should
(string-equal
(dbus-byte-array-to-string (dbus-string-to-byte-array "")) ""))
(should
(string-equal
(dbus-byte-array-to-string (dbus-string-to-byte-array ustr)) ustr))
(should
(string-equal
(dbus-byte-array-to-string (dbus-string-to-byte-array mstr) 'multibyte)
mstr))
;; Should not work for multibyte strings.
(should-not
(string-equal
(dbus-byte-array-to-string (dbus-string-to-byte-array mstr)) mstr))
(should
(string-equal
(dbus-unescape-from-identifier (dbus-escape-as-identifier "")) ""))
(should
(string-equal
(dbus-unescape-from-identifier (dbus-escape-as-identifier ustr)) ustr))
;; Should not work for multibyte strings.
(should-not
(string-equal
(dbus-unescape-from-identifier (dbus-escape-as-identifier mstr)) mstr))))
(defun dbus--test-register-service (bus)
"Check service registration at BUS."
;; Cleanup.
(dbus-ignore-errors (dbus-unregister-service bus dbus-service-emacs))
;; Register an own service.
(should (eq (dbus-register-service bus dbus-service-emacs) :primary-owner))
(should (member dbus-service-emacs (dbus-list-known-names bus)))
(should (eq (dbus-register-service bus dbus-service-emacs) :already-owner))
(should (member dbus-service-emacs (dbus-list-known-names bus)))
;; Unregister the service.
(should (eq (dbus-unregister-service bus dbus-service-emacs) :released))
(should-not (member dbus-service-emacs (dbus-list-known-names bus)))
(should (eq (dbus-unregister-service bus dbus-service-emacs) :non-existent))
(should-not (member dbus-service-emacs (dbus-list-known-names bus)))
;; `dbus-service-dbus' is reserved for the BUS itself.
(should-error (dbus-register-service bus dbus-service-dbus))
(should-error (dbus-unregister-service bus dbus-service-dbus)))
(ert-deftest dbus-test02-register-service-session ()
"Check service registration at `:session' bus."
(skip-unless (and dbus--test-enabled-session-bus
(dbus-register-service :session dbus-service-emacs)))
(dbus--test-register-service :session)
(let ((service "org.freedesktop.Notifications"))
(when (member service (dbus-list-known-names :session))
;; Cleanup.
(dbus-ignore-errors (dbus-unregister-service :session service))
(should (eq (dbus-register-service :session service) :in-queue))
(should (eq (dbus-unregister-service :session service) :released))
(should
(eq (dbus-register-service :session service :do-not-queue) :exists))
(should (eq (dbus-unregister-service :session service) :not-owner)))))
(ert-deftest dbus-test02-register-service-system ()
"Check service registration at `:system' bus."
(skip-unless (and dbus--test-enabled-system-bus
(dbus-register-service :system dbus-service-emacs)))
(dbus--test-register-service :system))
(ert-deftest dbus-test02-register-service-own-bus ()
"Check service registration with an own bus.
This includes initialization and closing the bus."
;; Start bus.
(let ((output
(ignore-errors
(shell-command-to-string "dbus-launch --sh-syntax")))
bus pid)
(skip-unless (stringp output))
(when (string-match "DBUS_SESSION_BUS_ADDRESS='\\(.+\\)';" output)
(setq bus (match-string 1 output)))
(when (string-match "DBUS_SESSION_BUS_PID=\\([[:digit:]]+\\);" output)
(setq pid (match-string 1 output)))
(unwind-protect
(progn
(skip-unless
(dbus-ignore-errors
(and bus pid
(featurep 'dbusbind)
(dbus-init-bus bus)
(dbus-get-unique-name bus)
(dbus-register-service bus dbus-service-emacs))))
;; Run the test.
(dbus--test-register-service bus))
;; Save exit.
(when pid (call-process "kill" nil nil nil pid)))))
(ert-deftest dbus-test03-peer-interface ()
"Check `dbus-interface-peer' methods."
(skip-unless
(and dbus--test-enabled-session-bus
(dbus-register-service :session dbus-service-emacs)
;; "GetMachineId" is not implemented (yet). When it returns a
;; value, another D-Bus client like dbus-monitor is reacting
;; on `dbus-interface-peer'. We cannot test then.
(not
(dbus-ignore-errors
(dbus-call-method
:session dbus-service-emacs dbus-path-dbus
dbus-interface-peer "GetMachineId" :timeout 100)))))
(should (dbus-ping :session dbus-service-emacs 100))
(dbus-unregister-service :session dbus-service-emacs)
(should-not (dbus-ping :session dbus-service-emacs 100)))
(defun dbus-test-all (&optional interactive)
"Run all tests for \\[dbus]."
(interactive "p")
(funcall
(if interactive 'ert-run-tests-interactively 'ert-run-tests-batch) "^dbus"))
(provide 'dbus-tests)
;;; dbus-tests.el ends here
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