FG42/conf/emacs.d/test-jedi.el

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;;; test-jedi.el --- Tests for jedi.el
;; Copyright (C) 2012 Takafumi Arakaki
;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
;; This file is NOT part of GNU Emacs.
;; test-jedi.el 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.
;; test-jedi.el 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 test-jedi.el.
;; If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(eval-when-compile (require 'cl))
(require 'ert)
(require 'mocker)
(require 'jedi)
(defun jedi-testing:sync (d)
(epc:sync (jedi:get-epc) d))
(ert-deftest jedi:version ()
"Check if `jedi:version' can be parsed by `version-to-list'."
(version-to-list jedi:version))
;;; EPC
(ert-deftest jedi:complete-request ()
(jedi-testing:sync
(with-temp-buffer
(erase-buffer)
(insert "import json" "\n" "json.l")
(jedi:complete-request)))
(should (equal (sort (jedi:ac-direct-matches) #'string-lessp)
'("load" "loads"))))
(ert-deftest jedi:get-in-function-call-request ()
(destructuring-bind (&key params index call_name)
(jedi-testing:sync
(with-temp-buffer
(erase-buffer)
(insert "isinstance(obj,")
(jedi:call-deferred 'get_in_function_call)))
(should (equal params '("object" "class_or_type_or_tuple")))
(should (equal index 1))
(should (equal call_name "isinstance"))))
(ert-deftest jedi:goto-request ()
(let ((reply
(jedi-testing:sync
(with-temp-buffer
(erase-buffer)
(insert "import json" "\n" "json.load")
(jedi:call-deferred 'goto)))))
(destructuring-bind (&key line_nr module_path
column module_name description)
(car reply)
(should (integerp line_nr))
(should (stringp module_path)))))
(ert-deftest jedi:get-definition-request ()
(let ((reply
(jedi-testing:sync
(with-temp-buffer
(erase-buffer)
(insert "import json" "\n" "json.load")
(jedi:call-deferred 'get_definition)))))
(destructuring-bind (&key doc desc_with_module line_nr column module_path
full_name name type description)
(car reply)
(should (stringp doc))
(should (stringp desc_with_module))
(should (integerp line_nr))
(should (integerp column))
(should (stringp module_path)))))
;;; Server pool
(defmacro jedi-testing:with-mocked-server (start-epc-records
epc--live-p-records
buffers
&rest body)
(declare (indent 3))
`(let ((jedi:server-pool--table (make-hash-table :test 'equal))
(jedi:server-pool--gc-timer nil)
,@(mapcar
(lambda (b) `(,b (generate-new-buffer "*jedi test*")))
buffers))
(mocker-let
((jedi:epc--start-epc (x y) ,start-epc-records)
(jedi:epc--live-p (x) ,epc--live-p-records)
;; Probably this mocking is too "strong". What I need to
;; mock is only `buffer-list' in `jedi:-get-servers-in-use'.
(buffer-list
()
((:input nil
:output-generator
(lambda ()
(loop for b in (list ,@buffers)
when (buffer-live-p b) collect b))
:min-occur 0)))
(jedi:server-pool--gc-when-idle
()
((:record-cls 'mocker-stub-record))))
(macrolet ((check-restart (&rest args)
`(jedi-testing:check-start-server ,@args))
(set-server
(command &optional args)
`(progn
(set (make-local-variable 'jedi:server-command) ,command)
(set (make-local-variable 'jedi:server-args) ,args))))
(unwind-protect
(progn ,@body)
(mapc #'kill-buffer (list ,@buffers)))))))
(defun jedi-testing:check-start-server (buffer command server)
(with-current-buffer buffer
(should-not jedi:epc)
(should (eq (let ((jedi:server-command command)
(jedi:server-args nil))
(jedi:start-server))
server))
(should (eq jedi:epc server))))
(ert-deftest jedi:pool-single-server ()
"Successive call of `jedi:start-server' with the same setup should
return the same server instance."
(jedi-testing:with-mocked-server
;; Mock `epc:start-epc':
((:input '("python" ("jediepcserver.py")) :output 'dummy-server))
;; Mock `jedi:epc--live-p':
((:input '(nil) :output nil) ; via `jedi:start-server'
(:input '(dummy-server) :output t)) ; via `jedi:server-pool--start'
;; Buffers to use:
(buf1 buf2)
(check-restart buf1 '("python" "jediepcserver.py") 'dummy-server)
(check-restart buf2 '("python" "jediepcserver.py") 'dummy-server)))
(ert-deftest jedi:pool-per-buffer-server ()
"Successive call of `jedi:start-server' with different setups should
return the different server instances."
(jedi-testing:with-mocked-server
;; Mock `epc:start-epc':
((:input '("python" ("jediepcserver.py")) :output 'dummy-server-1)
(:input '("python3" ("jediepcserver.py")) :output 'dummy-server-2))
;; Mock `jedi:epc--live-p':
((:input '(nil) :output nil)) ; via `jedi:start-server'
;; Buffers to use:
(buf1 buf2)
(check-restart buf1 '("python" "jediepcserver.py") 'dummy-server-1)
(check-restart buf2 '("python3" "jediepcserver.py") 'dummy-server-2)))
(ert-deftest jedi:pool-restart-per-buffer-server ()
"When one of the server died, only the died server must be
rebooted; not still living ones."
(jedi-testing:with-mocked-server
;; Mock `epc:start-epc':
((:input '("python" ("jediepcserver.py")) :output 'dummy-server-1)
(:input '("python3" ("jediepcserver.py")) :output 'dummy-server-2)
(:input '("python" ("jediepcserver.py")) :output 'dummy-server-3))
;; Mock `jedi:epc--live-p':
((:input '(nil) :output nil) ; via `jedi:start-server'
(:input '(dummy-server-1) :output t)
(:input '(nil) :output nil) ; via `jedi:start-server'
(:input '(dummy-server-1) :output nil) ; server is stopped
(:input '(nil) :output nil) ; via `jedi:start-server'
(:input '(dummy-server-2) :output t)
(:input '(nil) :output nil) ; via `jedi:start-server'
(:input '(dummy-server-3) :output t))
;; Buffers to use:
(buf1 buf2 buf3)
(check-restart buf1 '("python" "jediepcserver.py") 'dummy-server-1)
(check-restart buf2 '("python3" "jediepcserver.py") 'dummy-server-2)
(check-restart buf3 '("python" "jediepcserver.py") 'dummy-server-1)
(mapc (lambda (b) (with-current-buffer b (setq jedi:epc nil)))
(list buf1 buf2 buf3))
;; Now, ``(jedi:epc--live-p dummy-server-1)`` will return nil:
(check-restart buf1 '("python" "jediepcserver.py") 'dummy-server-3)
(check-restart buf2 '("python3" "jediepcserver.py") 'dummy-server-2)
(check-restart buf3 '("python" "jediepcserver.py") 'dummy-server-3)))
(ert-deftest jedi:pool-buffer-local-server-setting ()
"Locally set `jedi:server-command' and `jedi:server-args' must be used."
(jedi-testing:with-mocked-server
;; Mock `epc:start-epc':
((:input '("server" ("-abc")) :output 'dummy-1)
(:input '("server" ("-xyz")) :output 'dummy-2))
;; Mock `jedi:epc--live-p':
((:input '(nil) :output nil) ; via `jedi:start-server'
(:input '(dummy-1) :output t)) ; via `jedi:server-pool--start'
;; Buffers to use:
(buf1 buf2 buf3)
;; Set buffer local `jedi:server-command':
(with-current-buffer buf1 (set-server '("server" "-abc")))
(with-current-buffer buf2 (set-server '("server" "-xyz")))
(with-current-buffer buf3 (set-server '("server" "-abc")))
;; Check that the buffer local `jedi:server-command' is used:
(should (eq (with-current-buffer buf1 (jedi:start-server)) 'dummy-1))
(should (eq (with-current-buffer buf2 (jedi:start-server)) 'dummy-2))
(should (eq (with-current-buffer buf3 (jedi:start-server)) 'dummy-1))))
(ert-deftest jedi:pool-gc-when-no-jedi-buffers ()
"GC should stop servers when there is no Jedi buffers."
(jedi-testing:with-mocked-server
;; Mock `epc:start-epc':
((:input '("server" ("-abc")) :output 'dummy-1)
(:input '("server" ("-xyz")) :output 'dummy-2))
;; Mock `jedi:epc--live-p':
((:input '(nil) :output nil)) ; via `jedi:start-server'
;; Buffers to use:
(buf1 buf2)
;; Check that in this mocked environment there is no server yet:
(should (= (length (jedi:-get-servers-in-use)) 0))
;; Start servers:
(check-restart buf1 '("server" "-abc") 'dummy-1)
(check-restart buf2 '("server" "-xyz") 'dummy-2)
;; GC should not stop servers in use:
(jedi:server-pool--gc)
(should (= (length (jedi:-get-servers-in-use)) 2))
;; GC should stop unused servers:
(mapc #'kill-buffer (list buf1 buf2))
(mocker-let ((epc:stop-epc (x) ((:input '(dummy-1))
(:input '(dummy-2)))))
(jedi:server-pool--gc))
(should (= (length (jedi:-get-servers-in-use)) 0))))
(provide 'test-jedi)
;; Local Variables:
;; coding: utf-8
;; indent-tabs-mode: nil
;; End:
;;; test-jedi.el ends here