bc511a64f6
Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
98 lines
3.7 KiB
EmacsLisp
98 lines
3.7 KiB
EmacsLisp
;;; let-alist.el --- tests for file handling. -*- lexical-binding: t; -*-
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;; Copyright (C) 2012-2017 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert)
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(require 'cl-lib)
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(require 'let-alist)
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(ert-deftest let-alist-surface-test ()
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"Tests basic macro expansion for `let-alist'."
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(should
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(equal '(let ((symbol data))
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(let ((.test-one (cdr (assq 'test-one symbol)))
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(.test-two (cdr (assq 'test-two symbol))))
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(list .test-one .test-two
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.test-two .test-two)))
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(cl-letf (((symbol-function #'make-symbol) (lambda (_x) 'symbol)))
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(macroexpand
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'(let-alist data (list .test-one .test-two
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.test-two .test-two))))))
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(should
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(equal
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(let ((.external "ext")
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(.external.too "et"))
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(let-alist '((test-two . 0)
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(test-three . 1)
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(sublist . ((foo . 2)
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(bar . 3))))
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(list .test-one .test-two .test-three
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.sublist.foo .sublist.bar
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..external ..external.too)))
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(list nil 0 1 2 3 "ext" "et"))))
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(ert-deftest let-alist-cons ()
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(should
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(equal
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(let ((.external "ext"))
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(let-alist '((test-two . 0)
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(test-three . 1)
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(sublist . ((foo . 2)
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(bar . 3))))
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(list `(, .test-one . , .test-two)
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.sublist.bar ..external)))
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(list '(nil . 0) 3 "ext"))))
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(defvar let-alist--test-counter 0
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"Used to count number of times a function is called.")
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(ert-deftest let-alist-evaluate-once ()
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"Check that the alist argument is only evaluated once."
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(let ((let-alist--test-counter 0))
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(should
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(equal
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(let-alist (list
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(cons 'test-two (cl-incf let-alist--test-counter))
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(cons 'test-three (cl-incf let-alist--test-counter)))
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(list .test-one .test-two .test-two .test-three .cl-incf))
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'(nil 1 1 2 nil)))))
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(ert-deftest let-alist-remove-dot ()
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"Remove first dot from symbol."
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(should (equal (let-alist--remove-dot 'hi) 'hi))
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(should (equal (let-alist--remove-dot '.hi) 'hi))
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(should (equal (let-alist--remove-dot '..hi) '.hi)))
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(ert-deftest let-alist-list-to-sexp ()
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"Check that multiple dots are handled correctly."
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(should (= 1 (eval (let-alist--list-to-sexp '(a b c d) ''((d (c (b (a . 1)))))))))
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(should (equal (let-alist--access-sexp '.foo.bar.baz 'var)
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'(cdr (assq 'baz (cdr (assq 'bar (cdr (assq 'foo var))))))))
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(should (equal (let-alist--access-sexp '..foo.bar.baz 'var) '.foo.bar.baz)))
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(ert-deftest let-alist--deep-dot-search--nested ()
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"Check that nested `let-alist' forms don't generate spurious bindings.
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See Bug#24641."
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(should (equal (let-alist--deep-dot-search '(foo .bar (baz .qux)))
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'((.bar . bar) (.qux . qux))))
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(should (equal (let-alist--deep-dot-search '(foo .bar (let-alist .qux .baz)))
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'((.bar . bar) (.qux . qux))))) ; no .baz
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;;; let-alist.el ends here
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