;;; ibuffer-tests.el --- Test suite. -*- lexical-binding: t -*-
;; Copyright (C) 2015-2016 Free Software Foundation, Inc.
;; 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 .
;;; Code:
(require 'ert)
(require 'ibuffer)
(ert-deftest ibuffer-autoload ()
"Tests to see whether ibuffer has been autoloaded"
(skip-unless (not (featurep 'ibuf-ext)))
(should
(fboundp 'ibuffer-mark-unsaved-buffers))
(should
(autoloadp
(symbol-function
'ibuffer-mark-unsaved-buffers))))
;; Test Filter Inclusion
(let* (test-buffer-list ; accumulated buffers to clean up
;; Utility functions without polluting the environment
(set-buffer-mode
(lambda (buffer mode)
"Set BUFFER's major mode to MODE, a mode function, or fundamental."
(with-current-buffer buffer
(funcall (or mode #'fundamental-mode)))))
(set-buffer-contents
(lambda (buffer size include-content)
"Add exactly SIZE bytes to BUFFER, including INCLUDE-CONTENT."
(when (or size include-content)
(let* ((unit "\n")
(chunk "ccccccccccccccccccccccccccccccc\n")
(chunk-size (length chunk))
(size (if (and size include-content (stringp include-content))
(- size (length include-content))
size)))
(unless (or (null size) (> size 0))
(error "size argument must be nil or positive"))
(with-current-buffer buffer
(when include-content
(insert include-content))
(when size
(dotimes (_ (floor size chunk-size))
(insert chunk))
(dotimes (_ (mod size chunk-size))
(insert unit)))
;; prevent query on cleanup
(set-buffer-modified-p nil))))))
(create-file-buffer
(lambda (prefix &rest args-plist)
"Create a file and buffer with designated properties.
PREFIX is a string giving the beginning of the name, and ARGS-PLIST
is a series of keyword-value pairs, with allowed keywords
:suffix STRING, :size NUMBER, :mode MODE-FUNC, :include-content STRING.
Returns the created buffer."
(let* ((suffix (plist-get args-plist :suffix))
(size (plist-get args-plist :size))
(include (plist-get args-plist :include-content))
(mode (plist-get args-plist :mode))
(file (make-temp-file prefix nil suffix))
(buf (find-file-noselect file t)))
(push buf test-buffer-list) ; record for cleanup
(funcall set-buffer-mode buf mode)
(funcall set-buffer-contents buf size include)
buf)))
(create-non-file-buffer
(lambda (prefix &rest args-plist)
"Create a file and buffer with designated properties.
PREFIX is a string giving the beginning of the name, and ARGS-PLIST
is a series of keyword-value pairs, with allowed keywords
:size NUMBER, :mode MODE-FUNC, :include-content STRING.
Returns the created buffer."
(let* ((size (plist-get args-plist :size))
(include (plist-get args-plist :include-content))
(mode (plist-get args-plist :mode))
(buf (generate-new-buffer prefix)))
(push buf test-buffer-list) ; record for cleanup
(funcall set-buffer-mode buf mode)
(funcall set-buffer-contents buf size include)
buf)))
(clean-up
(lambda ()
"Restore all emacs state modified during the tests"
(while test-buffer-list ; created temporary buffers
(let ((buf (pop test-buffer-list)))
(with-current-buffer buf (bury-buffer)) ; ensure not selected
(kill-buffer buf))))))
;; Tests
(ert-deftest ibuffer-filter-inclusion-1 ()
"Tests inclusion using basic filter combinators with a single buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-file-buffer "ibuf-test-1" :size 100
:include-content "One ring to rule them all\n")))
(should (ibuffer-included-in-filters-p buf '((size-gt . 99))))
(should (ibuffer-included-in-filters-p buf '((size-lt . 101))))
(should (ibuffer-included-in-filters-p
buf '((mode . fundamental-mode))))
(should (ibuffer-included-in-filters-p
buf '((content . "ring to rule them all"))))
(should (ibuffer-included-in-filters-p
buf '((and (content . "ring to rule them all")))))
(should (ibuffer-included-in-filters-p
buf '((and (and (content . "ring to rule them all"))))))
(should (ibuffer-included-in-filters-p
buf '((and (and (and (content . "ring to rule them all")))))))
(should (ibuffer-included-in-filters-p
buf '((or (content . "ring to rule them all")))))
(should (ibuffer-included-in-filters-p
buf '((not (not (content . "ring to rule them all"))))))
(should (ibuffer-included-in-filters-p
buf '((and (size-gt . 99)
(content . "ring to rule them all")
(mode . fundamental-mode)
(filename-base . "\\`ibuf-test-1")))))
(should (ibuffer-included-in-filters-p
buf '((not (or (not (size-gt . 99))
(not (content . "ring to rule them all"))
(not (mode . fundamental-mode))
(not (filename-base . "\\`ibuf-test-1")))))))
(should (ibuffer-included-in-filters-p
buf '((and (or (size-gt . 99) (size-lt . 10))
(and (content . "ring.*all")
(content . "rule")
(content . "them all")
(content . "One"))
(not (mode . text-mode))
(filename-base . "\\`ibuf-test-1"))))))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-2 ()
"Tests inclusion of basic filters in combination on a single buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-file-buffer "ibuf-test-2" :size 200
:mode #'text-mode
:include-content "and in the darkness find them\n")))
(message "--> %s" buf)
(should (ibuffer-included-in-filters-p buf '((size-gt . 199))))
(should (ibuffer-included-in-filters-p buf '((size-lt . 201))))
(should (ibuffer-included-in-filters-p buf '((not size-gt . 200))))
(should (ibuffer-included-in-filters-p buf '((not (size-gt . 200)))))
(should (ibuffer-included-in-filters-p
buf '((and (size-gt . 199) (size-lt . 201)))))
(should (ibuffer-included-in-filters-p
buf '((or (size-gt . 199) (size-gt . 201)))))
(should (ibuffer-included-in-filters-p
buf '((or (size-gt . 201) (size-gt . 199)))))
(should (ibuffer-included-in-filters-p
buf '((size-gt . 199) (mode . text-mode)
(content . "darkness find them"))))
(should (ibuffer-included-in-filters-p
buf '((and (size-gt . 199) (mode . text-mode)
(content . "darkness find them")))))
(should (ibuffer-included-in-filters-p
buf '((not (or (not (size-gt . 199)) (not (mode . text-mode))
(not (content . "darkness find them")))))))
(should (ibuffer-included-in-filters-p
buf '((or (size-gt . 200) (content . "darkness find them")
(derived-mode . emacs-lisp-mode)))))
(should-not (ibuffer-included-in-filters-p
buf '((or (size-gt . 200) (content . "rule them all")
(derived-mode . emacs-lisp-mode)))))
(message "--> %s" buf))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-3 ()
"Tests inclusion with filename filters on specified buffers."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let* ((bufA
(funcall create-file-buffer "ibuf-test-3.a" :size 50
:mode #'text-mode
:include-content "...but a multitude of drops?\n"))
(bufB
(funcall create-non-file-buffer "ibuf-test-3.b" :size 50
:mode #'text-mode
:include-content "...but a multitude of drops?\n"))
(dirA (with-current-buffer bufA default-directory))
(dirB (with-current-buffer bufB default-directory)))
(should (ibuffer-included-in-filters-p
bufA '((filename-base . "ibuf-test-3"))))
(should (ibuffer-included-in-filters-p
bufA '((filename-root . "ibuf-test-3"))))
(should (ibuffer-included-in-filters-p
bufA '((filename-base . "test-3\\.a"))))
(should (ibuffer-included-in-filters-p
bufA '((filename-extension . "a"))))
(should (ibuffer-included-in-filters-p
bufA (list (cons 'filename-directory dirA))))
(should-not (ibuffer-included-in-filters-p
bufB '((filename-base . "ibuf-test-3"))))
(should-not (ibuffer-included-in-filters-p
bufB '((filename-root . "ibuf-test-3"))))
(should-not (ibuffer-included-in-filters-p
bufB '((filename-extension . "b"))))
(should-not (ibuffer-included-in-filters-p
bufB (list (cons 'filename-directory dirB))))
(should (ibuffer-included-in-filters-p
bufA '((name . "ibuf-test-3"))))
(should (ibuffer-included-in-filters-p
bufB '((name . "ibuf-test-3")))))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-4 ()
"Tests inclusion with various filters on a single buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-file-buffer "ibuf-test-4"
:mode #'emacs-lisp-mode :suffix ".el"
:include-content "(message \"--%s--\" 'emacs-rocks)\n")))
(should (ibuffer-included-in-filters-p
buf '((filename-extension . "el"))))
(should (ibuffer-included-in-filters-p
buf '((derived-mode . prog-mode))))
(should (ibuffer-included-in-filters-p
buf '((used-mode . emacs-lisp-mode))))
(should (ibuffer-included-in-filters-p
buf '((mode . emacs-lisp-mode))))
(with-current-buffer buf (set-buffer-modified-p t))
(should (ibuffer-included-in-filters-p buf '((modified))))
(with-current-buffer buf (set-buffer-modified-p nil))
(should (ibuffer-included-in-filters-p buf '((not modified))))
(should (ibuffer-included-in-filters-p
buf '((and (filename-extension . "el")
(derived-mode . prog-mode)
(not modified)))))
(should (ibuffer-included-in-filters-p
buf '((or (filename-extension . "tex")
(derived-mode . prog-mode)
(modified)))))
(should (ibuffer-included-in-filters-p
buf '((filename-extension . "el")
(derived-mode . prog-mode)
(not modified)))))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-5 ()
"Tests inclusion with various filters on a single buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-non-file-buffer "ibuf-test-5.el"
:mode #'emacs-lisp-mode
:include-content
"(message \"--%s--\" \"It really does!\")\n")))
(should-not (ibuffer-included-in-filters-p
buf '((filename-extension . "el"))))
(should (ibuffer-included-in-filters-p
buf '((size-gt . 18))))
(should (ibuffer-included-in-filters-p
buf '((predicate . (lambda ()
(> (- (point-max) (point-min)) 18))))))
(should (ibuffer-included-in-filters-p
buf '((and (mode . emacs-lisp-mode)
(or (starred-name)
(size-gt . 18))
(and (not (size-gt . 100))
(content . "[Ii]t *really does!")
(or (name . "test-5")
(not (filename . "test-5")))))))))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-6 ()
"Tests inclusion using saved filters and DeMorgan's laws."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-non-file-buffer "*ibuf-test-6*" :size 65
:mode #'text-mode))
(buf2
(funcall create-file-buffer "ibuf-test-6a" :suffix ".html"
:mode #'html-mode
:include-content
"
Hello, World!
")))
(should (ibuffer-included-in-filters-p buf '((starred-name))))
(should-not (ibuffer-included-in-filters-p
buf '((saved . "text document"))))
(should (ibuffer-included-in-filters-p buf2 '((saved . "web"))))
(should (ibuffer-included-in-filters-p
buf2 '((not (and (not (derived-mode . sgml-mode))
(not (derived-mode . css-mode))
(not (mode . javascript-mode))
(not (mode . js2-mode))
(not (mode . scss-mode))
(not (derived-mode . haml-mode))
(not (mode . sass-mode)))))))
(should (ibuffer-included-in-filters-p
buf '((and (starred-name)
(or (size-gt . 50) (filename . "foo"))))))
(should (ibuffer-included-in-filters-p
buf '((not (or (not starred-name)
(and (size-lt . 51)
(not (filename . "foo")))))))))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-7 ()
"Tests inclusion with various filters on a single buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-non-file-buffer "ibuf-test-7"
:mode #'artist-mode)))
(should (ibuffer-included-in-filters-p
buf '((not (starred-name)))))
(should (ibuffer-included-in-filters-p
buf '((not starred-name))))
(should (ibuffer-included-in-filters-p
buf '((not (not (not starred-name))))))
(should (ibuffer-included-in-filters-p
buf '((not (modified)))))
(should (ibuffer-included-in-filters-p
buf '((not modified))))
(should (ibuffer-included-in-filters-p
buf '((not (not (not modified)))))))
(funcall clean-up)))
(ert-deftest ibuffer-filter-inclusion-8 ()
"Tests inclusion with various filters on a single buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((buf
(funcall create-non-file-buffer "ibuf-test-8"
:mode #'artist-mode)))
(should (ibuffer-included-in-filters-p
buf '((and (not (starred-name))
(name . "test-8")
(not (size-gt . 100))
(mode . picture-mode))))))
(funcall clean-up))))
;; Test Filter Combination and Decomposition
(let* (ibuffer-to-kill ; if non-nil, kill this buffer at cleanup
(ibuffer-already 'check) ; existing ibuffer buffer to use but not kill
;; Utility functions without polluting the environment
(get-test-ibuffer
(lambda ()
"Returns a test ibuffer-mode buffer, creating one if necessary.
If a new buffer is created, it is named \"*Test-Ibuffer*\" and is
saved to `ibuffer-to-kill' for later cleanup."
(when (eq ibuffer-already 'check)
(setq ibuffer-already
(catch 'found-buf
(dolist (buf (buffer-list) nil)
(when (with-current-buffer buf
(derived-mode-p 'ibuffer-mode))
(throw 'found-buf buf))))))
(or ibuffer-already
ibuffer-to-kill
(let ((test-ibuf-name "*Test-Ibuffer*"))
(ibuffer nil test-ibuf-name nil t)
(setq ibuffer-to-kill (get-buffer test-ibuf-name))))))
(clean-up
(lambda ()
"Restore all emacs state modified during the tests"
(when ibuffer-to-kill ; created ibuffer
(with-current-buffer ibuffer-to-kill
(set-buffer-modified-p nil)
(bury-buffer))
(kill-buffer ibuffer-to-kill)
(setq ibuffer-to-kill nil))
(when (and ibuffer-already (not (eq ibuffer-already 'check)))
;; restore existing ibuffer state
(ibuffer-update nil t)))))
;; Tests
(ert-deftest ibuffer-decompose-filter ()
"Tests `ibuffer-decompose-filter' for and, or, not, and saved."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((ibuf (funcall get-test-ibuffer)))
(with-current-buffer ibuf
(let ((ibuffer-filtering-qualifiers nil)
(ibuffer-filter-groups nil)
(filters '((size-gt . 100) (not (starred-name))
(name . "foo"))))
(progn
(push (cons 'or filters) ibuffer-filtering-qualifiers)
(ibuffer-decompose-filter)
(should (equal filters ibuffer-filtering-qualifiers))
(setq ibuffer-filtering-qualifiers nil))
(progn
(push (cons 'and filters) ibuffer-filtering-qualifiers)
(ibuffer-decompose-filter)
(should (equal filters ibuffer-filtering-qualifiers))
(setq ibuffer-filtering-qualifiers nil))
(progn
(push (list 'not (car filters)) ibuffer-filtering-qualifiers)
(ibuffer-decompose-filter)
(should (equal (list (car filters))
ibuffer-filtering-qualifiers))
(setq ibuffer-filtering-qualifiers nil))
(progn
(push (cons 'not (car filters)) ibuffer-filtering-qualifiers)
(ibuffer-decompose-filter)
(should (equal (list (car filters))
ibuffer-filtering-qualifiers))
(setq ibuffer-filtering-qualifiers nil))
(let ((gnus (assoc "gnus" ibuffer-saved-filters)))
(push '(saved . "gnus") ibuffer-filtering-qualifiers)
(ibuffer-decompose-filter)
(should (equal (cdr gnus) ibuffer-filtering-qualifiers))
(ibuffer-decompose-filter)
(should (equal (cdr (cadr gnus)) ibuffer-filtering-qualifiers))
(setq ibuffer-filtering-qualifiers nil))
(when (not (assoc "__unknown__" ibuffer-saved-filters))
(push '(saved . "__uknown__") ibuffer-filtering-qualifiers)
(should-error (ibuffer-decompose-filter) :type 'error)
(setq ibuffer-filtering-qualifiers nil))
(progn
(push (car filters) ibuffer-filtering-qualifiers)
(should-error (ibuffer-decompose-filter) :type 'error)
(setq ibuffer-filtering-qualifiers nil)))))
(funcall clean-up)))
(ert-deftest ibuffer-and-filter ()
"Tests `ibuffer-and-filter' in an Ibuffer buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((ibuf (funcall get-test-ibuffer)))
(with-current-buffer ibuf
(let ((ibuffer-filtering-qualifiers nil)
(ibuffer-filter-groups nil)
(filters [(size-gt . 100) (not (starred-name))]))
(should-error (ibuffer-and-filter) :type 'error)
(progn
(push (aref filters 1) ibuffer-filtering-qualifiers)
(should-error (ibuffer-and-filter) :type 'error))
(should (progn
(push (aref filters 0) ibuffer-filtering-qualifiers)
(ibuffer-and-filter)
(and (equal (list 'and (aref filters 0) (aref filters 1))
(car ibuffer-filtering-qualifiers))
(null (cdr ibuffer-filtering-qualifiers)))))
(should (progn
(ibuffer-and-filter 'decompose)
(and (equal (aref filters 0)
(pop ibuffer-filtering-qualifiers))
(equal (aref filters 1)
(pop ibuffer-filtering-qualifiers))
(null ibuffer-filtering-qualifiers)))))))
(funcall clean-up)))
(ert-deftest ibuffer-or-filter ()
"Tests `ibuffer-or-filter' in an Ibuffer buffer."
(skip-unless (featurep 'ibuf-ext))
(unwind-protect
(let ((ibuf (funcall get-test-ibuffer)))
(with-current-buffer ibuf
(let ((ibuffer-filtering-qualifiers nil)
(ibuffer-filter-groups nil)
(filters [(size-gt . 100) (not (starred-name))]))
(should-error (ibuffer-or-filter) :type 'error)
(progn
(push (aref filters 1) ibuffer-filtering-qualifiers)
(should-error (ibuffer-or-filter) :type 'error))
(should (progn
(push (aref filters 0) ibuffer-filtering-qualifiers)
(ibuffer-or-filter)
(and (equal (list 'or (aref filters 0) (aref filters 1))
(car ibuffer-filtering-qualifiers))
(null (cdr ibuffer-filtering-qualifiers)))))
(should (progn
(ibuffer-or-filter 'decompose)
(and (equal (aref filters 0)
(pop ibuffer-filtering-qualifiers))
(equal (aref filters 1)
(pop ibuffer-filtering-qualifiers))
(null ibuffer-filtering-qualifiers)))))))
(funcall clean-up))))
(ert-deftest ibuffer-save-filters ()
"Tests that `ibuffer-save-filters' saves in the proper format."
(skip-unless (featurep 'ibuf-ext))
(let ((ibuffer-save-with-custom nil)
(ibuffer-saved-filters nil)
(test1 '((mode . org-mode)
(or (size-gt . 10000)
(and (not (starred-name))
(filename-directory . "\")))))
(test2 '((or (mode . emacs-lisp-mode) (filename-extension . "elc?")
(and (starred-name) (name . "elisp"))
(mode . lisp-interaction-mode))))
(test3 '((size-lt . 100) (derived-mode . prog-mode)
(or (filename-root . "scratch")
(filename-root . "bonz")
(filename-root . "temp")))))
(ibuffer-save-filters "test1" test1)
(should (equal (car ibuffer-saved-filters) (cons "test1" test1)))
(ibuffer-save-filters "test2" test2)
(should (equal (car ibuffer-saved-filters) (cons "test2" test2)))
(should (equal (cadr ibuffer-saved-filters) (cons "test1" test1)))
(ibuffer-save-filters "test3" test3)
(should (equal (car ibuffer-saved-filters) (cons "test3" test3)))
(should (equal (cadr ibuffer-saved-filters) (cons "test2" test2)))
(should (equal (car (cddr ibuffer-saved-filters)) (cons "test1" test1)))
(should (equal (cdr (assoc "test1" ibuffer-saved-filters)) test1))
(should (equal (cdr (assoc "test2" ibuffer-saved-filters)) test2))
(should (equal (cdr (assoc "test3" ibuffer-saved-filters)) test3))))
(ert-deftest ibuffer-format-qualifier ()
"Tests string recommendation of filter from `ibuffer-format-qualifier'."
(skip-unless (featurep 'ibuf-ext))
(let ((test1 '(mode . org-mode))
(test2 '(size-lt . 100))
(test3 '(derived-mode . prog-mode))
(test4 '(or (size-gt . 10000)
(and (not (starred-name))
(filename-directory . "\\"))))
(test5 '(or (filename-root . "scratch")
(filename-root . "bonz")
(filename-root . "temp")))
(test6 '(or (mode . emacs-lisp-mode) (filename-extension . "elc?")
(and (starred-name) (name . "elisp"))
(mode . lisp-interaction-mode)))
(description (lambda (q)
(cadr (assq q ibuffer-filtering-alist))))
(tag (lambda (&rest args )
(concat " [" (apply #'concat args) "]"))))
(should (equal (ibuffer-format-qualifier test1)
(funcall tag (funcall description 'mode)
": " "org-mode")))
(should (equal (ibuffer-format-qualifier test2)
(funcall tag (funcall description 'size-lt)
": " "100")))
(should (equal (ibuffer-format-qualifier test3)
(funcall tag (funcall description 'derived-mode)
": " "prog-mode")))
(should (equal (ibuffer-format-qualifier test4)
(funcall tag "OR"
(funcall tag (funcall description 'size-gt)
": " (format "%s" 10000))
(funcall tag "AND"
(funcall tag "NOT"
(funcall tag
(funcall description
'starred-name)
": " "nil"))
(funcall tag
(funcall description 'filename-directory)
": " "\\")))))
(should (equal (ibuffer-format-qualifier test5)
(funcall tag "OR"
(funcall tag (funcall description 'filename-root)
": " "scratch")
(funcall tag (funcall description 'filename-root)
": " "bonz")
(funcall tag (funcall description 'filename-root)
": " "temp"))))
(should (equal (ibuffer-format-qualifier test6)
(funcall tag "OR"
(funcall tag (funcall description 'mode)
": " "emacs-lisp-mode")
(funcall tag (funcall description 'filename-extension)
": " "elc?")
(funcall tag "AND"
(funcall tag
(funcall description 'starred-name)
": " "nil")
(funcall tag
(funcall description 'name)
": " "elisp"))
(funcall tag (funcall description 'mode)
": " "lisp-interaction-mode"))))))
(ert-deftest ibuffer-unary-operand ()
"Tests `ibuffer-unary-operand': (not cell) or (not . cell) -> cell."
(skip-unless (featurep 'ibuf-ext))
(should (equal (ibuffer-unary-operand '(not . (mode "foo")))
'(mode "foo")))
(should (equal (ibuffer-unary-operand '(not (mode "foo")))
'(mode "foo")))
(should (equal (ibuffer-unary-operand '(not "cdr"))
'("cdr")))
(should (equal (ibuffer-unary-operand '(not)) nil))
(should (equal (ibuffer-unary-operand '(not . a)) 'a)))
(provide 'ibuffer-tests)
;; ibuffer-tests.el ends here