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;;; -*- Mode: Emacs-Lisp -*-
;;; Rudimentary, kludgey test suite for paredit -- work in progress!
;; Copyright (C) 2005--2011 Taylor R. Campbell
;; This file is part of paredit.
;;
;; Paredit 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.
;;
;; Paredit 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 paredit. If not, see <http://www.gnu.org/licenses/>.
(defun paredit-test-failure-default (command before after expected)
(error "%S failed test: after %S, got %S but expected %S."
command before after expected))
(defvar paredit-test-failure-function 'paredit-test-failure-default
"Function to call when `paredit-test' fails.
Four arguments: the paredit command, the text of the buffer
before, the text of the buffer after, and the expected text of
the buffer after.")
(defun paredit-test-failed (command before after expected)
(funcall paredit-test-failure-function command before after expected))
(defun paredit-test (command examples)
(dolist (example examples)
(let ((before (car example)))
(dolist (expected (cdr example))
(with-temp-buffer
(scheme-mode)
(set (make-local-variable 'indent-tabs-mode) nil)
(set (make-local-variable 'comment-column) 40)
(insert before)
(goto-char (point-min))
(if (search-forward "_" nil t)
(progn (backward-delete-char +1) (set-mark (point))))
(goto-char (point-min))
(search-forward "|")
(backward-delete-char +1)
(if (cond ((eq expected 'error)
;++ Check that there are no more expected states.
(condition-case condition
(progn (call-interactively command) t)
(error nil)))
((stringp expected)
(call-interactively command)
(insert ?\|)
(not (string= expected (buffer-string))))
(t (error "Bad test expectation:" expected)))
(paredit-test-failed command before (buffer-string) expected)))
(setq before expected)))))
(paredit-do-commands (spec keys command examples)
nil ;string case
;; `paredit-backslash' has a funny example.
(if (not (eq command 'paredit-backslash))
(paredit-test command examples)))
(defun paredit-test-bracketed (entries examples)
(dolist (entry entries)
(let ((command (car entry))
(left (car (cdr entry)))
(right (car (cdr (cdr entry)))))
(paredit-test command
(mapcar
(lambda (example)
(mapcar (lambda (step)
(if (stringp step)
(replace-regexp-in-string "(" (string left)
(replace-regexp-in-string ")" (string right) step))
step))
example))
examples)))))
;++ Test `paredit-open-...' with the region active.
(paredit-test-bracketed '((paredit-open-round ?\( ?\))
(paredit-open-square ?\[ ?\])
(paredit-open-curly ?\{ ?\})
;; (paredit-open-angled ?\< ?\>)
)
'(("(foo|bar)" "(foo (|) bar)")
("(foo| bar)" "(foo (|) bar)")
("(foo |bar)" "(foo (|) bar)")
("(foo|\n bar)" "(foo (|)\n bar)")
("(foo |(bar) baz)" "(foo (|) (bar) baz)")
("(foo (bar)| baz)" "(foo (bar) (|) baz)")
("(foo |\"bar\" baz)" "(foo (|) \"bar\" baz)")
("(foo \"bar\"| baz)" "(foo \"bar\" (|) baz)")
("foo|" "foo (|)")
("|foo" "(|) foo")))
(let ((current-prefix-arg 1))
(paredit-test-bracketed '((paredit-open-round ?\( ?\))
(paredit-open-square ?\[ ?\])
(paredit-open-curly ?\{ ?\})
;; (paredit-open-angled ?\< ?\>)
)
'(("(foo |bar baz)" "(foo (|bar) baz)")
("(x |;y\n z\n w)"
"(x (| ;y\n z)\n w)"))))
(let ((current-prefix-arg '(4)))
;++ Oops -- `C-u (' is like `M-4 (', not like `C-u M-('.
(paredit-test-bracketed '((paredit-open-round ?\( ?\))
(paredit-open-square ?\[ ?\])
(paredit-open-curly ?\{ ?\})
;; (paredit-open-angled ?\< ?\>)
)
'(("(foo |bar baz)" "(foo (|bar baz))")
("(x |;y\n z\n w)"
"(x (| ;y\n z\n w))")
("foo |bar baz" "foo (|bar baz)")
;++ These tests are kinda bunk. It's not immediately clear to me
;++ which is right: including or excluding the trailing comment.
("foo\n|bar\nbaz\n;quux\n" "foo\n(|bar\n baz)\n;quux\n")
("foo\n|bar\nbaz\n;; quux" "foo\n(|bar\n baz\n ;; quux\n )"))))
(paredit-test-bracketed '((paredit-close-round ?\( ?\))
(paredit-close-square ?\[ ?\])
(paredit-close-curly ?\{ ?\})
(paredit-close-angled ?\< ?\>))
'(("(#\\|x)" "(#\\|x)")
("(#\\|])" "(#\\|])")
("(#\\| )" "(#\\| )")
("(#\\|\")" "(#\\|\")")
("(\"|\")" "(\")|\")")
("(\"|\")" "(\")|\")")))
(paredit-test-bracketed '((paredit-close-round ?\( ?\))
(paredit-close-square ?\[ ?\])
(paredit-close-curly ?\{ ?\})
;; (paredit-close-angled ?\< ?\>)
)
'(("(|" "()|")
("foo|" error)
("(foo| ;\n )" "(foo ;\n )|")
("(foo| ;\n bar)" "(foo ;\n bar)|")
("(foo| ;\n bar )" "(foo ;\n bar)|")))
(paredit-test-bracketed '((paredit-close-round-and-newline ?\( ?\))
(paredit-close-square-and-newline ?\[ ?\])
(paredit-close-curly-and-newline ?\{ ?\})
;; (paredit-close-angled-and-newline ?\< ?\>)
)
'(("(foo #\\|( )" "(foo #\\()\n|")
("(foo|\n ) ;bar" "(foo) ;bar\n|")
("((foo|\n) (bar))" "((foo)\n |(bar))")))
(paredit-test 'paredit-newline
'(("\"foo|bar\"" "\"foo\n|bar\"")
("(frob grovel ;full |(lexical)\n mumble)"
"(frob grovel ;full\n |(lexical)\n mumble)")
("(frob grovel ;full (|lexical)\n mumble)"
"(frob grovel ;full (\n ;|lexical)\n mumble)")
("#\\|(" "#\\(\n|")))
(paredit-test 'paredit-reindent-defun
;++ Test filling paragraphs in comments and strings.
'(("|(define (square x)\n (* x x))"
"|(define (square x)\n (* x x))")
("(define (square x)\n (* x x))|"
"(define (square x)\n (* x x))|")
("(define (square x)\n (* x x))|\n(frob\n wotz)"
"(define (square x)\n (* x x))|\n(frob\n wotz)")
("(define (square x)\n (* x x))\n|(frob\n wotz)"
"(define (square x)\n (* x x))\n|(frob\n wotz)")
("(define (square x)\n | (* x x))"
"(define (square x)\n | (* x x))")
("(define (square x)\n | (* x x))"
"(define (square x)\n |(* x x))")
("(define (square x)\n (* |x x))"
"(define (square x)\n (* |x x))")))
(paredit-test 'paredit-semicolon
'(("#\\|(" ";|#\\(")))
(paredit-test 'paredit-comment-dwim
'(("\"foo|bar;baz\" ;quux"
"\"foobar;baz\" ;|quux")
;; Uh oh! Bug in `comment-indent'...
;; ("\"foo\nbar|baz;quux\" ;zot"
;; "\"foo\nbarbaz;quux\" ;|zot")
;; I think the loop in `paredit-comment-on-line' is bogus. Can you
;; elicit more than one iteration of it? That is, can you cause
;; `comment-search-forward' to wind up inside a character or a
;; string?
))
(paredit-test 'paredit-forward-delete
'(("f|oo" "f|o")
(";f|(oo" ";f|oo")
(";|;(foo)" ";|(foo)")
("|;;(foo)" "|;(foo)" "|(foo)")
(";foo|\n(bar)\n(baz\n quux)" ";foo|(bar)\n(baz\n quux)")
(";foo|\n(bar\n baz)" error)
("|;;foo(" "|;foo(" error)
(";foo|\n(bar);baz\n" ";foo|(bar);baz\n")
(";foo|\n(bar);baz" ";foo|(bar);baz")
(";foo|\n(bar ;baz\n quux)\n" error)
(";foo|\n(bar ;baz\n quux)" error)))
(paredit-test 'paredit-backward-delete
'(("fo|o" "f|o")
(";fo(|o" ";fo|o")
(";|;(foo)" "|;(foo)")
(";;|(foo)" ";|(foo)" "|(foo)")
(";foo\n|(bar)\n(baz\n quux)" ";foo|(bar)\n(baz\n quux)")
(";foo\n|(bar\n baz)" error)
(";;|foo(" ";|foo(" error)
(";foo\n|(bar);baz\n" ";foo|(bar);baz\n")
(";foo\n|(bar);baz" ";foo|(bar);baz")
(";foo\n|(bar ;baz\n quux)\n" error)
(";foo\n|(bar ;baz\n quux)" error)))
;++ Need lots more tests for this, the hairiest paredit command...
(paredit-test 'paredit-kill
'((";foo|\n(bar)\n" ";foo|(bar)\n")
(";foo|\n(bar\n baz)\n" error)))
(defun paredit-canary-indent-method (state indent-point normal-indent)
(check-parens)
nil)
(put 'paredit-canary 'scheme-indent-function 'paredit-canary-indent-method)
;;; Check for regressions the indentation behaviour of forward slurping
;;; and barfing.
(paredit-test 'paredit-forward-slurp-sexp
'(("(paredit-canary|)\n(lose)"
"(paredit-canary|\n (lose))")))
(paredit-test 'paredit-forward-barf-sexp
'(("(paredit-canary| ;\n (lose))")
("(paredit-canary| ;\n)\n(lose)")))
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