my-emacs-d/elpa/company-0.8.12/test/frontends-tests.el

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2015-05-04 09:52:24 +00:00
;;; frontends-tests.el --- company-mode tests -*- lexical-binding: t -*-
;; Copyright (C) 2015 Free Software Foundation, Inc.
;; Author: Dmitry Gutov
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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 Emacs. If not, see <http://www.gnu.org/licenses/>.
(require 'company-tests)
(ert-deftest company-pseudo-tooltip-does-not-get-displaced ()
:tags '(interactive)
(with-temp-buffer
(save-window-excursion
(set-window-buffer nil (current-buffer))
(save-excursion (insert " ff"))
(company-mode)
(let ((company-frontends '(company-pseudo-tooltip-frontend))
(company-begin-commands '(self-insert-command))
(company-backends
(list (lambda (c &optional _)
(cl-case c (prefix "") (candidates '("a" "b" "c")))))))
(let (this-command)
(company-call 'complete))
(company-call 'open-line 1)
(should (eq 1 (overlay-start company-pseudo-tooltip-overlay)))))))
(ert-deftest company-pseudo-tooltip-show ()
:tags '(interactive)
(with-temp-buffer
(save-window-excursion
(set-window-buffer nil (current-buffer))
(insert "aaaa\n bb\nccccccc\nddd")
(search-backward "bb")
(let ((col (company--column))
(company-candidates-length 2)
(company-candidates '("123" "45"))
(company-backend 'ignore))
(company-pseudo-tooltip-show (company--row) col 0)
(let ((ov company-pseudo-tooltip-overlay))
;; With margins.
(should (eq (overlay-get ov 'company-width) 5))
;; FIXME: Make it 2?
(should (eq (overlay-get ov 'company-height) company-tooltip-limit))
(should (eq (overlay-get ov 'company-column) col))
(should (string= (overlay-get ov 'company-display)
"\n 123 \nc 45 c\nddd\n")))))))
(ert-deftest company-pseudo-tooltip-edit-updates-width ()
:tags '(interactive)
(with-temp-buffer
(set-window-buffer nil (current-buffer))
(let ((company-candidates-length 5)
(company-candidates '("123" "45" "67" "89" "1011"))
(company-backend 'ignore)
(company-tooltip-limit 4)
(company-tooltip-offset-display 'scrollbar))
(company-pseudo-tooltip-show (company--row)
(company--column)
0)
(should (eq (overlay-get company-pseudo-tooltip-overlay 'company-width)
6))
(company-pseudo-tooltip-edit 4)
(should (eq (overlay-get company-pseudo-tooltip-overlay 'company-width)
7)))))
(ert-deftest company-preview-show-with-annotations ()
:tags '(interactive)
(with-temp-buffer
(save-window-excursion
(set-window-buffer nil (current-buffer))
(save-excursion (insert "\n"))
(let ((company-candidates-length 1)
(company-candidates '("123")))
(company-preview-show-at-point (point))
(let* ((ov company-preview-overlay)
(str (overlay-get ov 'after-string)))
(should (string= str "123"))
(should (eq (get-text-property 0 'cursor str) 1)))))))
(ert-deftest company-pseudo-tooltip-show-with-annotations ()
:tags '(interactive)
(with-temp-buffer
(save-window-excursion
(set-window-buffer nil (current-buffer))
(insert " ")
(save-excursion (insert "\n"))
(let ((company-candidates-length 2)
(company-backend (lambda (action &optional arg &rest _ignore)
(when (eq action 'annotation)
(cdr (assoc arg '(("123" . "(4)")))))))
(company-candidates '("123" "45"))
company-tooltip-align-annotations)
(company-pseudo-tooltip-show-at-point (point) 0)
(let ((ov company-pseudo-tooltip-overlay))
;; With margins.
(should (eq (overlay-get ov 'company-width) 8))
(should (string= (overlay-get ov 'company-display)
"\n 123(4) \n 45 \n")))))))
(ert-deftest company-pseudo-tooltip-show-with-annotations-right-aligned ()
:tags '(interactive)
(with-temp-buffer
(save-window-excursion
(set-window-buffer nil (current-buffer))
(insert " ")
(save-excursion (insert "\n"))
(let ((company-candidates-length 3)
(company-backend (lambda (action &optional arg &rest _ignore)
(when (eq action 'annotation)
(cdr (assoc arg '(("123" . "(4)")
("67" . "(891011)")))))))
(company-candidates '("123" "45" "67"))
(company-tooltip-align-annotations t))
(company-pseudo-tooltip-show-at-point (point) 0)
(let ((ov company-pseudo-tooltip-overlay))
;; With margins.
(should (eq (overlay-get ov 'company-width) 13))
(should (string= (overlay-get ov 'company-display)
"\n 123 (4) \n 45 \n 67 (891011) \n")))))))
(ert-deftest company-create-lines-shows-numbers ()
(let ((company-show-numbers t)
(company-candidates '("x" "y" "z"))
(company-candidates-length 3)
(company-backend 'ignore))
(should (equal '(" x 1 " " y 2 " " z 3 ")
(company--create-lines 0 999)))))
(ert-deftest company-create-lines-truncates-annotations ()
(let* ((ww (company--window-width))
(data `(("1" . "(123)")
("2" . nil)
("3" . ,(concat "(" (make-string (- ww 2) ?4) ")"))
(,(make-string ww ?4) . "<4>")))
(company-candidates (mapcar #'car data))
(company-candidates-length 4)
(company-tooltip-margin 1)
(company-backend (lambda (cmd &optional arg)
(when (eq cmd 'annotation)
(cdr (assoc arg data)))))
company-tooltip-align-annotations)
(should (equal (list (format " 1(123)%s " (company-space-string (- ww 8)))
(format " 2%s " (company-space-string (- ww 3)))
(format " 3(444%s " (make-string (- ww 7) ?4))
(format " %s " (make-string (- ww 2) ?4)))
(company--create-lines 0 999)))
(let ((company-tooltip-align-annotations t))
(should (equal (list (format " 1%s(123) " (company-space-string (- ww 8)))
(format " 2%s " (company-space-string (- ww 3)))
(format " 3 (444%s " (make-string (- ww 8) ?4))
(format " %s " (make-string (- ww 2) ?4)))
(company--create-lines 0 999))))))
(ert-deftest company-create-lines-truncates-common-part ()
(let* ((ww (company--window-width))
(company-candidates-length 2)
(company-tooltip-margin 1)
(company-backend #'ignore))
(let* ((company-common (make-string (- ww 3) ?1))
(company-candidates `(,(concat company-common "2")
,(concat company-common "3"))))
(should (equal (list (format " %s2 " (make-string (- ww 3) ?1))
(format " %s3 " (make-string (- ww 3) ?1)))
(company--create-lines 0 999))))
(let* ((company-common (make-string (- ww 2) ?1))
(company-candidates `(,(concat company-common "2")
,(concat company-common "3"))))
(should (equal (list (format " %s " company-common)
(format " %s " company-common))
(company--create-lines 0 999))))
(let* ((company-common (make-string ww ?1))
(company-candidates `(,(concat company-common "2")
,(concat company-common "3")))
(res (company--create-lines 0 999)))
(should (equal (list (format " %s " (make-string (- ww 2) ?1))
(format " %s " (make-string (- ww 2) ?1)))
res))
(should (eq 'company-tooltip-common-selection
(get-text-property (- ww 2) 'face
(car res))))
(should (eq 'company-tooltip-selection
(get-text-property (1- ww) 'face
(car res))))
)))
(ert-deftest company-create-lines-clears-out-non-printables ()
:tags '(interactive)
(let (company-show-numbers
(company-candidates (list
(decode-coding-string "avalis\351e" 'utf-8)
"avatar"))
(company-candidates-length 2)
(company-backend 'ignore))
(should (equal '(" avalis‗e "
" avatar ")
(company--create-lines 0 999)))))
(ert-deftest company-create-lines-handles-multiple-width ()
:tags '(interactive)
(let (company-show-numbers
(company-candidates '("蛙蛙蛙蛙" "蛙abc"))
(company-candidates-length 2)
(company-backend 'ignore))
(should (equal '(" 蛙蛙蛙蛙 "
" 蛙abc ")
(company--create-lines 0 999)))))
(ert-deftest company-create-lines-handles-multiple-width-in-annotation ()
(let* (company-show-numbers
(alist '(("a" . "") ("b" . " ︸︸")))
(company-candidates (mapcar #'car alist))
(company-candidates-length 2)
(company-backend (lambda (c &optional a)
(when (eq c 'annotation)
(assoc-default a alist)))))
(should (equal '(" a ︸ "
" b ︸︸ ")
(company--create-lines 0 999)))))
(ert-deftest company-create-lines-with-multiple-width-and-keep-prefix ()
:tags '(interactive)
(let* (company-show-numbers
(company-candidates '("MIRAI発売1カ月"
"MIRAI発売2カ月"))
(company-candidates-length 2)
(company-prefix "MIRAI発")
(company-backend (lambda (c &optional _arg)
(pcase c
(`ignore-case 'keep-prefix)))))
(should (equal '(" MIRAI売1"
" MIRAI売2")
(company--create-lines 0 999)))))
(ert-deftest company-fill-propertize-truncates-search-highlight ()
(let ((company-search-string "foo")
(company-backend #'ignore)
(company-prefix ""))
(should (equal-including-properties
(company-fill-propertize "barfoo" nil 6 t nil nil)
#("barfoo"
0 3 (face company-tooltip mouse-face company-tooltip-mouse)
3 6 (face company-tooltip-search mouse-face company-tooltip-mouse))))
(should (equal-including-properties
(company-fill-propertize "barfoo" nil 5 t "" " ")
#("barfo "
0 3 (face company-tooltip mouse-face company-tooltip-mouse)
3 5 (face company-tooltip-search mouse-face company-tooltip-mouse)
5 6 (face company-tooltip mouse-face company-tooltip-mouse))))
(should (equal-including-properties
(company-fill-propertize "barfoo" nil 3 t " " " ")
#(" bar "
0 5 (face company-tooltip mouse-face company-tooltip-mouse))))))
(ert-deftest company-column-with-composition ()
:tags '(interactive)
(with-temp-buffer
(save-window-excursion
(set-window-buffer nil (current-buffer))
(insert "lambda ()")
(compose-region 1 (1+ (length "lambda")) "\\")
(should (= (company--column) 4)))))
(ert-deftest company-plainify ()
(let ((tab-width 8))
(should (equal-including-properties
(company-plainify "\tabc\td\t")
(concat " "
"abc "
"d "))))
(should (equal-including-properties
(company-plainify (propertize "foobar" 'line-prefix "-*-"))
"-*-foobar")))
(ert-deftest company-buffer-lines-with-lines-folded ()
:tags '(interactive)
(with-temp-buffer
(insert (propertize "aaa\nbbb\nccc\nddd\n" 'display "aaa+\n"))
(insert "eee\nfff\nggg")
(should (equal (company-buffer-lines (point-min) (point-max))
'("aaa" "eee" "fff" "ggg")))))
(ert-deftest company-buffer-lines-with-multiline-display ()
:tags '(interactive)
(with-temp-buffer
(insert (propertize "a" 'display "bbb\nccc\ndddd\n"))
(insert "eee\nfff\nggg")
(should (equal (company-buffer-lines (point-min) (point-max))
'("" "" "" "eee" "fff" "ggg")))))
(ert-deftest company-buffer-lines-with-multiline-after-string-at-eob ()
:tags '(interactive)
(with-temp-buffer
(insert "a\nb\nc\n")
(let ((ov (make-overlay (point-max) (point-max) nil t t)))
(overlay-put ov 'after-string "~\n~\n~"))
(should (equal (company-buffer-lines (point-min) (point-max))
'("a" "b" "c")))))
(ert-deftest company-modify-line ()
(let ((str "-*-foobar"))
(should (equal-including-properties
(company-modify-line str "zz" 4)
"-*-fzzbar"))
(should (equal-including-properties
(company-modify-line str "xx" 0)
"xx-foobar"))
(should (equal-including-properties
(company-modify-line str "zz" 10)
"-*-foobar zz"))))
(ert-deftest company-scrollbar-bounds ()
(should (equal nil (company--scrollbar-bounds 0 3 3)))
(should (equal nil (company--scrollbar-bounds 0 4 3)))
(should (equal '(0 . 0) (company--scrollbar-bounds 0 1 2)))
(should (equal '(1 . 1) (company--scrollbar-bounds 2 2 4)))
(should (equal '(2 . 3) (company--scrollbar-bounds 7 4 12)))
(should (equal '(1 . 2) (company--scrollbar-bounds 3 4 12)))
(should (equal '(1 . 3) (company--scrollbar-bounds 4 5 11))))