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Diffstat (limited to 'test/lisp/net/dbus-tests.el')
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diff --git a/test/lisp/net/dbus-tests.el b/test/lisp/net/dbus-tests.el new file mode 100644 index 00000000000..9465c859505 --- /dev/null +++ b/test/lisp/net/dbus-tests.el @@ -0,0 +1,182 @@ +;;; 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 |