mirror of
https://git.in.rschanz.org/ryan77627/guix.git
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5d9a5e2301
* guix/scripts/style.scm (canonicalize-comment): New procedure.
(pretty-print-with-comments): Add #:format-comment. and honor it.
(object->string*): Add 'args' and honor them.
(format-package-definition): Pass #:format-comment to
'object->string*'.
* tests/style.scm ("pretty-print-with-comments, canonicalize-comment"):
New test.
518 lines
17 KiB
Scheme
518 lines
17 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; 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 (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; 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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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (tests-style)
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#:use-module (guix packages)
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#:use-module (guix scripts style)
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#:use-module ((guix utils) #:select (call-with-temporary-directory))
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#:use-module ((guix build utils) #:select (substitute*))
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#:use-module (guix gexp) ;for the reader extension
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#:use-module (guix diagnostics)
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#:use-module (gnu packages acl)
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#:use-module (gnu packages multiprecision)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 match)
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#:use-module (ice-9 rdelim)
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#:use-module (ice-9 pretty-print))
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(define (call-with-test-package inputs proc)
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(call-with-temporary-directory
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(lambda (directory)
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(call-with-output-file (string-append directory "/my-packages.scm")
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(lambda (port)
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(pretty-print
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`(begin
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(define-module (my-packages)
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#:use-module (guix)
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#:use-module (guix licenses)
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#:use-module (gnu packages acl)
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#:use-module (gnu packages base)
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#:use-module (gnu packages multiprecision)
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#:use-module (srfi srfi-1))
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(define base
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(package
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(inherit coreutils)
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(inputs '())
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(native-inputs '())
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(propagated-inputs '())))
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(define (sdl-union . lst)
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(package
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(inherit base)
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(name "sdl-union")))
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(define-public my-coreutils
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(package
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(inherit base)
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,@inputs
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(name "my-coreutils"))))
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port)))
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(proc directory))))
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(define test-directory
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;; Directory where the package definition lives.
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(make-parameter #f))
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(define-syntax-rule (with-test-package fields exp ...)
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(call-with-test-package fields
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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;; Run as a separate process to make sure FILE is reloaded.
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(system* "guix" "style" "-L" directory "-S" "inputs"
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"my-coreutils")
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(system* "cat" file)
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(load file)
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(parameterize ((test-directory directory))
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exp ...))))
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(define* (read-lines port line #:optional (count 1))
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"Read COUNT lines from PORT, starting from LINE."
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(let loop ((lines '())
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(count count))
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(cond ((< (port-line port) (- line 1))
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(read-char port)
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(loop lines count))
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((zero? count)
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(string-concatenate-reverse lines))
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(else
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(match (read-line port 'concat)
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((? eof-object?)
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(loop lines 0))
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(line
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(loop (cons line lines) (- count 1))))))))
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(define* (read-package-field package field #:optional (count 1))
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(let* ((location (package-field-location package field))
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(file (location-file location))
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(line (location-line location)))
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(call-with-input-file (if (string-prefix? "/" file)
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file
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(string-append (test-directory) "/"
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file))
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(lambda (port)
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(read-lines port line count)))))
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(define-syntax-rule (test-pretty-print str args ...)
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"Test equality after a round-trip where STR is passed to
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'read-with-comments' and the resulting sexp is then passed to
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'pretty-print-with-comments'."
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(test-equal str
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(call-with-output-string
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(lambda (port)
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(let ((exp (call-with-input-string str
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read-with-comments)))
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(pretty-print-with-comments port exp args ...))))))
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(test-begin "style")
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(test-equal "nothing to rewrite"
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'()
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(with-test-package '()
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(package-direct-inputs (@ (my-packages) my-coreutils))))
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(test-equal "input labels, mismatch"
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(list `(("foo" ,gmp) ("bar" ,acl))
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" (inputs `((\"foo\" ,gmp) (\"bar\" ,acl)))\n")
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(with-test-package '((inputs `(("foo" ,gmp) ("bar" ,acl))))
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(list (package-direct-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs))))
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(test-equal "input labels, simple"
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(list `(("gmp" ,gmp) ("acl" ,acl))
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" (inputs (list gmp acl))\n")
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(with-test-package '((inputs `(("gmp" ,gmp) ("acl" ,acl))))
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(list (package-direct-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs))))
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(test-equal "input labels, long list with one item per line"
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(list (concatenate (make-list 4 `(("gmp" ,gmp) ("acl" ,acl))))
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"\
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(list gmp
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acl
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gmp
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acl
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gmp
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acl
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gmp
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acl))\n")
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(with-test-package '((inputs `(("gmp" ,gmp) ("acl" ,acl)
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("gmp" ,gmp) ("acl" ,acl)
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("gmp" ,gmp) ("acl" ,acl)
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("gmp" ,gmp) ("acl" ,acl))))
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(list (package-direct-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 8))))
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(test-equal "input labels, sdl-union"
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"\
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(list gmp acl
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(sdl-union 1 2 3 4)))\n"
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(with-test-package '((inputs `(("gmp" ,gmp) ("acl" ,acl)
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("sdl-union" ,(sdl-union 1 2 3 4)))))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 2)))
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(test-equal "input labels, output"
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(list `(("gmp" ,gmp "debug") ("acl" ,acl))
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" (inputs (list `(,gmp \"debug\") acl))\n")
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(with-test-package '((inputs `(("gmp" ,gmp "debug") ("acl" ,acl))))
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(list (package-direct-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs))))
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(test-equal "input labels, prepend"
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(list `(("gmp" ,gmp) ("acl" ,acl))
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"\
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(modify-inputs (package-propagated-inputs coreutils)
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(prepend gmp acl)))\n")
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(with-test-package '((inputs `(("gmp" ,gmp) ("acl" ,acl)
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,@(package-propagated-inputs coreutils))))
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 2))))
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(test-equal "input labels, prepend + delete"
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(list `(("gmp" ,gmp) ("acl" ,acl))
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"\
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(modify-inputs (package-propagated-inputs coreutils)
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(delete \"gmp\")
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(prepend gmp acl)))\n")
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(with-test-package '((inputs `(("gmp" ,gmp)
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("acl" ,acl)
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,@(alist-delete "gmp"
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(package-propagated-inputs coreutils)))))
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 3))))
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(test-equal "input labels, prepend + delete multiple"
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(list `(("gmp" ,gmp) ("acl" ,acl))
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"\
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(modify-inputs (package-propagated-inputs coreutils)
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(delete \"foo\" \"bar\" \"baz\")
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(prepend gmp acl)))\n")
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(with-test-package '((inputs `(("gmp" ,gmp)
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("acl" ,acl)
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,@(fold alist-delete
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(package-propagated-inputs coreutils)
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'("foo" "bar" "baz")))))
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 3))))
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(test-equal "input labels, replace"
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(list '() ;there's no "gmp" input to replace
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"\
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(modify-inputs (package-propagated-inputs coreutils)
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(replace \"gmp\" gmp)))\n")
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(with-test-package '((inputs `(("gmp" ,gmp)
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,@(alist-delete "gmp"
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(package-propagated-inputs coreutils)))))
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 2))))
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(test-equal "input labels, 'safe' policy"
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(list `(("gmp" ,gmp) ("acl" ,acl))
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"\
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(inputs (list gmp acl))\n")
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(call-with-test-package '((inputs `(("GMP" ,gmp) ("ACL" ,acl)))
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(arguments '())) ;no build system arguments
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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(system* "guix" "style" "-L" directory "my-coreutils"
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"-S" "inputs"
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"--input-simplification=safe")
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(load file)
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs)))))
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(test-equal "input labels, 'safe' policy, nothing changed"
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(list `(("GMP" ,gmp) ("ACL" ,acl))
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"\
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(inputs `((\"GMP\" ,gmp) (\"ACL\" ,acl)))\n")
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(call-with-test-package '((inputs `(("GMP" ,gmp) ("ACL" ,acl)))
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;; Non-empty argument list, so potentially unsafe
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;; input simplification.
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(arguments
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'(#:configure-flags
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(assoc-ref %build-inputs "GMP"))))
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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(system* "guix" "style" "-L" directory "my-coreutils"
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"-S" "inputs"
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"--input-simplification=safe")
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(load file)
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs)))))
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(test-equal "input labels, margin comment"
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(list `(("gmp" ,gmp))
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`(("acl" ,acl))
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" (inputs (list gmp)) ;margin comment\n"
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" (native-inputs (list acl)) ;another one\n")
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(call-with-test-package '((inputs `(("gmp" ,gmp)))
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(native-inputs `(("acl" ,acl))))
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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(substitute* file
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(("\"gmp\"(.*)$" _ rest)
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(string-append "\"gmp\"" (string-trim-right rest)
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" ;margin comment\n"))
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(("\"acl\"(.*)$" _ rest)
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(string-append "\"acl\"" (string-trim-right rest)
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" ;another one\n")))
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(system* "cat" file)
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(system* "guix" "style" "-L" directory "-S" "inputs"
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"my-coreutils")
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(load file)
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(list (package-inputs (@ (my-packages) my-coreutils))
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(package-native-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs)
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(read-package-field (@ (my-packages) my-coreutils) 'native-inputs)))))
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(test-equal "input labels, margin comment on long list"
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(list (concatenate (make-list 4 `(("gmp" ,gmp) ("acl" ,acl))))
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"\
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(list gmp ;margin comment
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acl
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gmp ;margin comment
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acl
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gmp ;margin comment
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acl
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gmp ;margin comment
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acl))\n")
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(call-with-test-package '((inputs `(("gmp" ,gmp) ("acl" ,acl)
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("gmp" ,gmp) ("acl" ,acl)
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("gmp" ,gmp) ("acl" ,acl)
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("gmp" ,gmp) ("acl" ,acl))))
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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(substitute* file
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(("\"gmp\"(.*)$" _ rest)
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(string-append "\"gmp\"" (string-trim-right rest)
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" ;margin comment\n")))
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(system* "cat" file)
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(system* "guix" "style" "-L" directory "-S" "inputs"
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"my-coreutils")
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(load file)
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 8)))))
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(test-equal "input labels, line comment"
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(list `(("gmp" ,gmp) ("acl" ,acl))
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"\
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(inputs (list gmp
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;; line comment!
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acl))\n")
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(call-with-test-package '((inputs `(("gmp" ,gmp) ("acl" ,acl))))
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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(substitute* file
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((",gmp\\)(.*)$" _ rest)
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(string-append ",gmp)\n ;; line comment!\n" rest)))
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(system* "guix" "style" "-L" directory "-S" "inputs"
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"my-coreutils")
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(load file)
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 3)))))
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(test-equal "input labels, modify-inputs and margin comment"
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(list `(("gmp" ,gmp) ("acl" ,acl) ("mpfr" ,mpfr))
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"\
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(modify-inputs (package-propagated-inputs coreutils)
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(prepend gmp ;margin comment
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acl ;another one
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mpfr)))\n")
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(call-with-test-package '((inputs
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`(("gmp" ,gmp) ("acl" ,acl) ("mpfr" ,mpfr)
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,@(package-propagated-inputs coreutils))))
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(lambda (directory)
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(define file
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(string-append directory "/my-packages.scm"))
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(substitute* file
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((",gmp\\)(.*)$" _ rest)
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(string-append ",gmp) ;margin comment\n" rest))
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((",acl\\)(.*)$" _ rest)
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(string-append ",acl) ;another one\n" rest)))
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(system* "guix" "style" "-L" directory "-S" "inputs"
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"my-coreutils")
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(load file)
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(list (package-inputs (@ (my-packages) my-coreutils))
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(read-package-field (@ (my-packages) my-coreutils) 'inputs 4)))))
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(test-pretty-print "(list 1 2 3 4)")
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(test-pretty-print "(list 1
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2
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3
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4)"
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#:long-list 3
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#:indent 20)
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(test-pretty-print "\
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(list abc
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def)"
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#:max-width 11)
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(test-pretty-print "\
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(#:foo
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#:bar)"
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#:max-width 10)
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(test-pretty-print "\
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(#:first 1
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#:second 2
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#:third 3)")
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(test-pretty-print "\
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((x
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1)
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(y
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2)
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(z
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3))"
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#:max-width 3)
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(test-pretty-print "\
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(let ((x 1)
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(y 2)
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(z 3)
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(p 4))
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(+ x y))"
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#:max-width 11)
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(test-pretty-print "\
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(lambda (x y)
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;; This is a procedure.
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(let ((z (+ x y)))
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(* z z)))")
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(test-pretty-print "\
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#~(string-append #$coreutils \"/bin/uname\")")
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(test-pretty-print "\
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(package
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(inherit coreutils)
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(version \"42\"))")
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(test-pretty-print "\
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(modify-phases %standard-phases
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(add-after 'unpack 'post-unpack
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(lambda _
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#t))
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(add-before 'check 'pre-check
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(lambda* (#:key inputs #:allow-other-keys)
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do things ...)))")
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(test-pretty-print "\
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(#:phases (modify-phases sdfsdf
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(add-before 'x 'y
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(lambda _
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xyz))))")
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(test-pretty-print "\
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(description \"abcdefghijkl
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mnopqrstuvwxyz.\")"
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#:max-width 30)
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(test-pretty-print "\
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(description
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\"abcdefghijkl
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mnopqrstuvwxyz.\")"
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#:max-width 12)
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(test-pretty-print "\
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(description
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\"abcdefghijklmnopqrstuvwxyz\")"
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#:max-width 33)
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(test-pretty-print "\
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(modify-phases %standard-phases
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(replace 'build
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;; Nicely indented in 'modify-phases' context.
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(lambda _
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#t)))")
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(test-pretty-print "\
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(modify-inputs inputs
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;; Regular indentation for 'replace' here.
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(replace \"gmp\" gmp))")
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(test-pretty-print "\
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(package
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;; Here 'sha256', 'base32', and 'arguments' must be
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;; immediately followed by a newline.
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(source (origin
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(method url-fetch)
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(sha256
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(base32
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\"not a real base32 string\"))))
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(arguments
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||
'(#:phases %standard-phases
|
||
#:tests? #f)))")
|
||
|
||
(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-end)
|
||
|
||
;; Local Variables:
|
||
;; eval: (put 'with-test-package 'scheme-indent-function 1)
|
||
;; eval: (put 'call-with-test-package 'scheme-indent-function 1)
|
||
;; End:
|