c3b1cfe76b
Fixes <https://issues.guix.gnu.org/57090>. Reported by Christopher Rodriguez <yewscion@gmail.com>. * guix/read-print.scm (%symbols-followed-by-octal-integers) (%symbols-followed-by-hexadecimal-integers): New variables. * guix/read-print.scm (integer->string): New procedure. (pretty-print-with-comments): Use it. * tests/read-print.scm: Add test.
389 lines
8.8 KiB
Scheme
389 lines
8.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2021-2022 Ludovic Courtès <ludo@gnu.org>
|
||
;;;
|
||
;;; This file is part of GNU Guix.
|
||
;;;
|
||
;;; GNU Guix 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 Guix 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 Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
(define-module (tests-style)
|
||
#:use-module (guix read-print)
|
||
#:use-module (guix gexp) ;for the reader extensions
|
||
#:use-module (srfi srfi-34)
|
||
#:use-module (srfi srfi-35)
|
||
#:use-module (srfi srfi-64)
|
||
#:use-module (ice-9 match))
|
||
|
||
(define-syntax-rule (test-pretty-print str args ...)
|
||
"Test equality after a round-trip where STR is passed to
|
||
'read-with-comments' and the resulting sexp is then passed to
|
||
'pretty-print-with-comments'."
|
||
(test-equal str
|
||
(call-with-output-string
|
||
(lambda (port)
|
||
(let ((exp (call-with-input-string str
|
||
read-with-comments)))
|
||
(pretty-print-with-comments port exp args ...))))))
|
||
|
||
(define-syntax-rule (test-pretty-print/sequence str args ...)
|
||
"Likewise, but read and print entire sequences rather than individual
|
||
expressions."
|
||
(test-equal str
|
||
(call-with-output-string
|
||
(lambda (port)
|
||
(let ((lst (call-with-input-string str
|
||
read-with-comments/sequence)))
|
||
(pretty-print-with-comments/splice port lst args ...))))))
|
||
|
||
|
||
(test-begin "read-print")
|
||
|
||
(test-assert "read-with-comments: missing closing paren"
|
||
(guard (c ((error? c) #t))
|
||
(call-with-input-string "(what is going on?"
|
||
read-with-comments)))
|
||
|
||
(test-equal "read-with-comments: dot notation"
|
||
(cons 'a 'b)
|
||
(call-with-input-string "(a . b)"
|
||
read-with-comments))
|
||
|
||
(test-equal "read-with-comments: list with blank line"
|
||
`(list with ,(vertical-space 1) blank line)
|
||
(call-with-input-string "\
|
||
(list with
|
||
|
||
blank line)\n"
|
||
read-with-comments))
|
||
|
||
(test-equal "read-with-comments: list with multiple blank lines"
|
||
`(list with ,(comment ";multiple\n" #t)
|
||
,(vertical-space 3) blank lines)
|
||
(call-with-input-string "\
|
||
(list with ;multiple
|
||
|
||
|
||
|
||
blank lines)\n"
|
||
read-with-comments))
|
||
|
||
(test-equal "read-with-comments: top-level blank lines"
|
||
(list (vertical-space 2) '(a b c) (vertical-space 2))
|
||
(call-with-input-string "
|
||
|
||
(a b c)\n\n"
|
||
(lambda (port)
|
||
(list (read-with-comments port)
|
||
(read-with-comments port)
|
||
(read-with-comments port)))))
|
||
|
||
(test-equal "read-with-comments: top-level page break"
|
||
(list (comment ";; Begin.\n") (vertical-space 1)
|
||
(page-break)
|
||
(comment ";; End.\n"))
|
||
(call-with-input-string "\
|
||
;; Begin.
|
||
|
||
|
||
;; End.\n"
|
||
(lambda (port)
|
||
(list (read-with-comments port)
|
||
(read-with-comments port)
|
||
(read-with-comments port)
|
||
(read-with-comments port)))))
|
||
|
||
(test-pretty-print "(list 1 2 3 4)")
|
||
(test-pretty-print "((a . 1) (b . 2))")
|
||
(test-pretty-print "(a b c . boom)")
|
||
(test-pretty-print "(list 1
|
||
2
|
||
3
|
||
4)"
|
||
#:long-list 3
|
||
#:indent 20)
|
||
(test-pretty-print "\
|
||
(list abc
|
||
def)"
|
||
#:max-width 11)
|
||
(test-pretty-print "\
|
||
(#:foo
|
||
#:bar)"
|
||
#:max-width 10)
|
||
|
||
(test-pretty-print "\
|
||
(#:first 1
|
||
#:second 2
|
||
#:third 3)")
|
||
|
||
(test-pretty-print "\
|
||
((x
|
||
1)
|
||
(y
|
||
2)
|
||
(z
|
||
3))"
|
||
#:max-width 3)
|
||
|
||
(test-pretty-print "\
|
||
(let ((x 1)
|
||
(y 2)
|
||
(z 3)
|
||
(p 4))
|
||
(+ x y))"
|
||
#:max-width 11)
|
||
|
||
(test-pretty-print "\
|
||
(lambda (x y)
|
||
;; This is a procedure.
|
||
(let ((z (+ x y)))
|
||
(* z z)))")
|
||
|
||
(test-pretty-print "\
|
||
(case x
|
||
((1)
|
||
'one)
|
||
((2)
|
||
'two))")
|
||
|
||
(test-pretty-print "\
|
||
(cond
|
||
((zero? x)
|
||
'zero)
|
||
((odd? x)
|
||
'odd)
|
||
(else #f))")
|
||
|
||
(test-pretty-print "\
|
||
#~(string-append #$coreutils \"/bin/uname\")")
|
||
|
||
(test-pretty-print "\
|
||
(package
|
||
(inherit coreutils)
|
||
(version \"42\"))")
|
||
|
||
(test-pretty-print "\
|
||
(modify-phases %standard-phases
|
||
(add-after 'unpack 'post-unpack
|
||
(lambda _
|
||
#t))
|
||
(add-before 'check 'pre-check
|
||
(lambda* (#:key inputs #:allow-other-keys)
|
||
do things ...)))")
|
||
|
||
(test-pretty-print "\
|
||
(#:phases (modify-phases sdfsdf
|
||
(add-before 'x 'y
|
||
(lambda _
|
||
xyz))))")
|
||
|
||
(test-pretty-print "\
|
||
(description \"abcdefghijkl
|
||
mnopqrstuvwxyz.\")"
|
||
#:max-width 30)
|
||
|
||
(test-pretty-print "\
|
||
(description
|
||
\"abcdefghijkl
|
||
mnopqrstuvwxyz.\")"
|
||
#:max-width 12)
|
||
|
||
(test-pretty-print "\
|
||
(description
|
||
\"abcdefghijklmnopqrstuvwxyz\")"
|
||
#:max-width 33)
|
||
|
||
(test-pretty-print "\
|
||
(modify-phases %standard-phases
|
||
(replace 'build
|
||
;; Nicely indented in 'modify-phases' context.
|
||
(lambda _
|
||
#t)))")
|
||
|
||
(test-pretty-print "\
|
||
(modify-inputs inputs
|
||
;; Regular indentation for 'replace' here.
|
||
(replace \"gmp\" gmp))")
|
||
|
||
(test-pretty-print "\
|
||
(package
|
||
;; Here 'sha256', 'base32', and 'arguments' must be
|
||
;; immediately followed by a newline.
|
||
(source (origin
|
||
(method url-fetch)
|
||
(sha256
|
||
(base32
|
||
\"not a real base32 string\"))))
|
||
(arguments
|
||
'(#:phases %standard-phases
|
||
#:tests? #f)))")
|
||
|
||
;; '#:key value' is kept on the same line.
|
||
(test-pretty-print "\
|
||
(package
|
||
(name \"keyword-value-same-line\")
|
||
(arguments
|
||
(list #:phases #~(modify-phases %standard-phases
|
||
(add-before 'x 'y
|
||
(lambda* (#:key inputs #:allow-other-keys)
|
||
(foo bar baz))))
|
||
#:make-flags #~'(\"ANSWER=42\")
|
||
#:tests? #f)))")
|
||
|
||
(test-pretty-print "\
|
||
(let ((x 1)
|
||
(y 2)
|
||
(z (let* ((a 3)
|
||
(b 4))
|
||
(+ a b))))
|
||
(list x y z))")
|
||
|
||
(test-pretty-print "\
|
||
(begin
|
||
(chmod \"foo\" #o750)
|
||
(chmod port
|
||
(logand #o644
|
||
(lognot (umask))))
|
||
(logand #x7f xyz))")
|
||
|
||
(test-pretty-print "\
|
||
(substitute-keyword-arguments (package-arguments x)
|
||
((#:phases phases)
|
||
`(modify-phases ,phases
|
||
(add-before 'build 'do-things
|
||
(lambda _
|
||
#t))))
|
||
((#:configure-flags flags)
|
||
`(cons \"--without-any-problem\"
|
||
,flags)))")
|
||
|
||
(test-pretty-print "\
|
||
(vertical-space one:
|
||
|
||
two:
|
||
|
||
|
||
three:
|
||
|
||
|
||
|
||
end)")
|
||
|
||
(test-pretty-print "\
|
||
(vertical-space one
|
||
|
||
;; Comment after blank line.
|
||
two)")
|
||
|
||
(test-pretty-print "\
|
||
(begin
|
||
break
|
||
|
||
;; page break above
|
||
end)")
|
||
|
||
(test-pretty-print/sequence "\
|
||
;;; This is a top-level comment.
|
||
|
||
|
||
;; Above is a page break.
|
||
(this is an sexp
|
||
;; with a comment
|
||
!!)
|
||
|
||
;; The end.\n")
|
||
|
||
(test-pretty-print/sequence "
|
||
;;; Hello!
|
||
;;; Notice that there are three semicolons here.
|
||
|
||
(define-module (foo bar)
|
||
#:use-module (guix)
|
||
#:use-module (gnu))
|
||
|
||
|
||
;; And now, the OS.
|
||
(operating-system
|
||
(host-name \"komputilo\")
|
||
(locale \"eo_EO.UTF-8\")
|
||
|
||
(services
|
||
(cons (service mcron-service-type) %base-services)))\n"
|
||
#:format-comment canonicalize-comment)
|
||
|
||
(test-equal "pretty-print-with-comments, canonicalize-comment"
|
||
"\
|
||
(list abc
|
||
;; Not a margin comment.
|
||
;; Ditto.
|
||
;;
|
||
;; There's a blank line above.
|
||
def ;margin comment
|
||
ghi)"
|
||
(let ((sexp (call-with-input-string
|
||
"\
|
||
(list abc
|
||
;Not a margin comment.
|
||
;;; Ditto.
|
||
;;;;;
|
||
; There's a blank line above.
|
||
def ;; margin comment
|
||
ghi)"
|
||
read-with-comments)))
|
||
(call-with-output-string
|
||
(lambda (port)
|
||
(pretty-print-with-comments port sexp
|
||
#:format-comment
|
||
canonicalize-comment)))))
|
||
|
||
(test-equal "pretty-print-with-comments, canonicalize-vertical-space"
|
||
"\
|
||
(list abc
|
||
|
||
def
|
||
|
||
;; last one
|
||
ghi)"
|
||
(let ((sexp (call-with-input-string
|
||
"\
|
||
(list abc
|
||
|
||
|
||
|
||
def
|
||
|
||
|
||
;; last one
|
||
ghi)"
|
||
read-with-comments)))
|
||
(call-with-output-string
|
||
(lambda (port)
|
||
(pretty-print-with-comments port sexp
|
||
#:format-vertical-space
|
||
canonicalize-vertical-space)))))
|
||
|
||
(test-equal "pretty-print-with-comments, multi-line comment"
|
||
"\
|
||
(list abc
|
||
;; This comment spans
|
||
;; two lines.
|
||
def)"
|
||
(call-with-output-string
|
||
(lambda (port)
|
||
(pretty-print-with-comments port
|
||
`(list abc ,(comment "\
|
||
;; This comment spans\n
|
||
;; two lines.\n")
|
||
def)))))
|
||
|
||
(test-end)
|