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test-epc.el
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test-epc.el
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;;; test-epc.el --- test code for epc
;; Copyright (C) 2011 SAKURAI Masashi
;; Author: SAKURAI Masashi <m.sakurai at kiwanami.net>
;; 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/>.
;;; Commentary:
;; Run tests:
;; $ emacs -L . -L $HOME/.emacs.d/elisp -batch -l deferred -l concurrent -l epc -l epcs -l test-epc -f ert-run-tests-batch-and-exit
;;; Code:
(require 'epc)
(require 'epcs)
(require 'cl)
(require 'pp)
(defvar epc:source-dir (if load-file-name
(file-name-directory load-file-name)
default-directory))
(defvar epc:demo-dir (expand-file-name "demo" epc:source-dir))
(defmacro epc:with-self-server-client (connect-function &rest body)
`(lexical-let*
((server-process (epcs:server-start ,connect-function t))
(client-mngr (epc:start-epc-debug
(process-contact
server-process :service)))
(dfinish (lambda (x)
(epc:stop-epc client-mngr)
(epcs:server-stop server-process))))
,@body
))
(ert-deftest epc:test-echo ()
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method mngr 'echo (lambda (x) x)))
(deferred:$
(epc:call-deferred client-mngr 'echo '("echo test"))
(deferred:nextc it
(lambda (x)
(should (equal "echo test" x))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-echo-list ()
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method mngr 'echo (lambda (x) x)))
(deferred:$
(epc:call-deferred client-mngr 'echo '((1 2 "echo test")))
(deferred:nextc it
(lambda (x)
(should (equal '(1 2 "echo test") x))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-add ()
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method mngr 'add '+))
(deferred:$
(epc:call-deferred client-mngr 'add '(1 2 3))
(deferred:nextc it
(lambda (x)
(should (equal 6 x))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-deferred ()
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method
mngr 'deferred
(lambda (x) (deferred:next (lambda () "OK")))))
(deferred:$
(epc:call-deferred client-mngr 'deferred '("OK?"))
(deferred:nextc it
(lambda (x)
(should (equal "OK" x))))
(deferred:watch it dfinish)
(deferred:sync! it))))
;; (ert-deftest epc:test-large-data ()
;; (ert-skip "Failed now, we should solve it later.")
;; (lexical-let ((len (* 65536 2)))
;; (epc:with-self-server-client
;; (lambda (mngr) (epc:define-method mngr 'large-echo (lambda (x) x)))
;; (deferred:$
;; (epc:call-deferred client-mngr 'large-echo (make-string len ?x))
;; (deferred:nextc it
;; (lambda (x)
;; (should (= len (length x)))))
;; (deferred:watch it dfinish)
;; (deferred:sync! it)))))
(ert-deftest epc:test-multibytes ()
(lexical-let ((str "日本語能力!!ソﾊﾝｶｸ"))
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method
mngr 'echo
(lambda (x) (cond ((equal x str) str)
(t (error "Different content!"))))))
(deferred:$
(epc:call-deferred client-mngr 'echo (list str))
(deferred:nextc it
(lambda (x)
(should (equal x str))))
(deferred:watch it dfinish)
(deferred:sync! it)))))
(ert-deftest epc:test-ping-pong ()
(epc:with-self-server-client
(lambda (mngr)
(lexical-let ((mngr mngr))
(epc:define-method
mngr 'ping (lambda (x)
(epc:call-deferred mngr 'pong (list (1+ x)))))))
(epc:define-method
client-mngr 'pong
(lambda (x)
(cond
((< 3 x) x)
(t (epc:call-deferred
client-mngr 'ping (list (1+ x)))))))
(deferred:$
(epc:call-deferred client-mngr 'ping (list 1))
(deferred:nextc it
(lambda (x)
(should (equal 4 x))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-app-error ()
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method mngr 'error-calc (lambda (x) (/ 1 0))))
(deferred:$
(epc:call-deferred client-mngr 'error-calc (list 0))
(deferred:nextc it (lambda (x) nil))
(deferred:error it
(lambda (x)
(destructuring-bind (sym msg) x
(should (and (eq sym 'error)
(string-match "arith-error" msg))))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-epc-error ()
(epc:with-self-server-client
(lambda (mngr) ) ; nothing
(deferred:$
(epc:call-deferred client-mngr 'some-method 0)
(deferred:nextc it (lambda (x) nil))
(deferred:error it
(lambda (x)
(destructuring-bind (sym msg) x
(should (and (eq sym 'epc-error)
(string-match "^EPC-ERROR:" msg))))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-epc-methods ()
(epc:with-self-server-client
(lambda (mngr)
(epc:define-method
mngr 'echo (lambda (xs) xs) "XS" "Return XS")
(epc:define-method
mngr 'add (lambda (xs) (apply '+ xs)) "XS.." "Sum XS"))
(deferred:$
(epc:query-methods-deferred client-mngr)
(deferred:nextc it
(lambda (x)
(should (equal x '((add "XS.." "Sum XS")
(echo "XS" "Return XS"))))))
(deferred:watch it dfinish)
(deferred:sync! it))))
(ert-deftest epc:test-epc-server-counts ()
(lexical-let (server-count1 server-count2
client-count1 client-count2)
(epc:with-self-server-client
(lambda (mngr) (epc:define-method mngr 'echo (lambda (x) x)))
(deferred:$
(epc:call-deferred client-mngr 'echo (list 0))
(deferred:nextc it
(deferred:lambda (x)
(cond
;; * test 1
;; waiting for finishing other threads
((< 1 (length epcs:server-processes))
(deferred:nextc (deferred:wait 30) self))
(t nil))))
(deferred:nextc it
(lambda (x)
(setq server-count1 (length epcs:server-processes)
client-count1 (length epcs:client-processes))))
(deferred:watch it dfinish)
(deferred:nextc it
(lambda (x)
(setq server-count2 (length epcs:server-processes)
client-count2 (length epcs:client-processes))
;; * test 2
;; comparing connection numbers
(should (and (= 0 server-count2) (= 1 server-count1)
(= 0 client-count2) (= 1 client-count1)))))
(deferred:sync! it)))))
(defun epc:test-start-echo-server ()
(let ((emacs (concat invocation-directory invocation-name))
(process-environment (mapcar #'identity process-environment)))
;; See: (info "(emacs) General Variables")
(setenv "EMACSLOADPATH"
(mapconcat #'identity
(loop for p in load-path
for e = (expand-file-name p)
;; `file-directory-p' is required to suppress
;; Warning: Lisp directory `...' does not exist.
when (file-directory-p e)
collect e)
path-separator))
(epc:start-epc-deferred
emacs
`("-Q" "--batch"
"-l" ,(expand-file-name "echo-server.el" epc:demo-dir)))))
(ert-deftest epc:test-start-epc-deferred-success ()
(deferred:sync!
(deferred:nextc (epc:test-start-echo-server)
(lambda (mngr)
(epc:stop-epc mngr)
(should t)))))
(ert-deftest epc:test-start-epc-deferred-fail ()
(deferred:$
(epc:start-epc-deferred "false" nil)
(deferred:nextc it (lambda (_) nil))
(deferred:error it (lambda (_) (should t)))
(deferred:sync! it)))
(provide 'test-epc)
;;; test-epc.el ends here