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guix/tests/utils.scm
Herman Rimm 50e514c1bc
utils: Add find-definition-insertion-location procedure. 
* guix/utils.scm (find-definition-insertion-location): Add and export
procedure.
* tests/utils.scm ("find-definition-insertion-location"): Add test.

Change-Id: Ie17e1b4a94790f58518ce121411a38d357f49feb
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-02-23 19:02:16 +01:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
;;; Copyright © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
;;; Copyright © 2024 Herman Rimm <herman@rimm.ee>
;;;
;;; 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 (test-utils)
#:use-module ((guix config) #:select (%gzip))
#:use-module (guix utils)
#:use-module ((guix store) #:select (%store-prefix store-path-package-name))
#:use-module ((guix search-paths) #:select (string-tokenize*))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-64)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module (ice-9 match)
#:use-module (ice-9 vlist))
(define temp-file
(string-append "t-utils-" (number->string (getpid))))
(test-begin "utils")
(test-assert "gnu-triplet->nix-system"
(let ((samples '(("i586-gnu0.3" "i686-gnu")
("x86_64-unknown-linux-gnu" "x86_64-linux")
("i386-pc-linux-gnu" "i686-linux")
("x86_64-unknown-freebsd8.2" "x86_64-freebsd")
("x86_64-apple-darwin10.8.0" "x86_64-darwin")
("i686-pc-cygwin" "i686-cygwin"))))
(let-values (((gnu nix) (unzip2 samples)))
(every (lambda (gnu nix)
(equal? nix (gnu-triplet->nix-system gnu)))
gnu nix))))
(test-assert "package-name->name+version"
(every (match-lambda
((name version)
(let*-values (((full-name)
(if version
(string-append name "@" version)
name))
((name* version*)
(package-name->name+version full-name)))
(and (equal? name* name)
(equal? version* version)))))
'(("foo" "0.9.1b")
("foo-14-bar" "320")
("foo-bar2" #f)
("guile" "2.0.6.65-134c9") ; as produced by `git-version-gen'
("nixpkgs" "1.0pre22125_a28fe19")
("gtk2" "2.38.0"))))
(test-assert "guile-version>? 1.8"
(guile-version>? "1.8"))
(test-assert "guile-version>? 10.5"
(not (guile-version>? "10.5")))
(test-assert "version-prefix?"
(and (version-prefix? "4.1" "4.1.2")
(version-prefix? "4.1" "4.1")
(not (version-prefix? "4.1" "4.16.2"))
(not (version-prefix? "4.1" "4"))))
(test-equal "version-unique-prefix"
'("2" "2.2" "")
(list (version-unique-prefix "2.0" '("3.0" "2.0"))
(version-unique-prefix "2.2" '("3.0.5" "2.0.9" "2.2.7"))
(version-unique-prefix "27.1" '("27.1"))))
(test-equal "string-tokenize*"
'(("foo")
("foo" "bar" "baz")
("foo" "bar" "")
("foo" "bar" "baz"))
(list (string-tokenize* "foo" ":")
(string-tokenize* "foo;bar;baz" ";")
(string-tokenize* "foo!bar!" "!")
(string-tokenize* "foo+-+bar+-+baz" "+-+")))
(test-equal "string-replace-substring"
'("foo BAR! baz"
"/gnu/store/chbouib"
"")
(list (string-replace-substring "foo bar baz" "bar" "BAR!")
(string-replace-substring "/nix/store/chbouib" "/nix/" "/gnu/")
(string-replace-substring "" "foo" "bar")))
(test-equal "strip-keyword-arguments"
'(a #:b b #:c c)
(strip-keyword-arguments '(#:foo #:bar #:baz)
'(a #:foo 42 #:b b #:baz 3
#:c c #:bar 4)))
(test-equal "ensure-keyword-arguments"
'((#:foo 2)
(#:foo 2 #:bar 3)
(#:foo 42 #:bar 3))
(list (ensure-keyword-arguments '(#:foo 2) '(#:foo 2))
(ensure-keyword-arguments '(#:foo 2) '(#:bar 3))
(ensure-keyword-arguments '(#:foo 2) '(#:bar 3 #:foo 42))))
(test-equal "default-keyword-arguments"
'((#:foo 2)
(#:foo 2)
(#:foo 2 #:bar 3)
(#:foo 2 #:bar 3)
(#:foo 2 #:bar 3))
(list (default-keyword-arguments '() '(#:foo 2))
(default-keyword-arguments '(#:foo 2) '(#:foo 4))
(default-keyword-arguments '() '(#:bar 3 #:foo 2))
(default-keyword-arguments '(#:bar 3) '(#:foo 2))
(default-keyword-arguments '(#:foo 2 #:bar 3) '(#:bar 6))))
(test-equal "substitute-keyword-arguments"
'((#:foo 3)
(#:foo 3)
(#:foo 3 #:bar (1 2))
(#:bar (1 2) #:foo 3)
(#:foo 3))
(list (substitute-keyword-arguments '(#:foo 2)
((#:foo f) (1+ f)))
(substitute-keyword-arguments '()
((#:foo f 2) (1+ f)))
(substitute-keyword-arguments '(#:foo 2 #:bar (2))
((#:foo f) (1+ f))
((#:bar b) (cons 1 b)))
(substitute-keyword-arguments '(#:foo 2)
((#:foo _) 3)
((#:bar b '(2)) (cons 1 b)))
(substitute-keyword-arguments '(#:foo 2)
((#:foo f 1) (1+ f))
((#:bar b) (cons 42 b)))))
(test-assert "filtered-port, file"
(let* ((file (search-path %load-path "guix.scm"))
(input (open-file file "r0b")))
(let*-values (((compressed pids1)
(filtered-port `(,%gzip "-c" "--fast") input))
((decompressed pids2)
(filtered-port `(,%gzip "-d") compressed)))
(and (every (compose zero? cdr waitpid)
(append pids1 pids2))
(equal? (get-bytevector-all decompressed)
(call-with-input-file file get-bytevector-all))))))
(test-assert "filtered-port, non-file"
(let ((data (call-with-input-file (search-path %load-path "guix.scm")
get-bytevector-all)))
(let*-values (((compressed pids1)
(filtered-port `(,%gzip "-c" "--fast")
(open-bytevector-input-port data)))
((decompressed pids2)
(filtered-port `(,%gzip "-d") compressed)))
(and (pk (every (compose zero? cdr waitpid)
(append pids1 pids2)))
(equal? (get-bytevector-all decompressed) data)))))
(test-assert "filtered-port, does not exist"
(let* ((file (search-path %load-path "guix.scm"))
(input (open-file file "r0b")))
(let-values (((port pids)
(filtered-port '("/does/not/exist") input)))
(any (compose (negate zero?) cdr waitpid)
pids))))
(define (test-compression/decompression method run?)
"Test METHOD, a symbol such as 'gzip. Call RUN? to determine whether to
skip these tests."
(unless (run?) (test-skip 1))
(test-assert (format #f "compressed-port, decompressed-port, non-file [~a]"
method)
(let ((data (call-with-input-file (search-path %load-path "guix.scm")
get-bytevector-all)))
(call-with-temporary-output-file
(lambda (output port)
(close-port port)
(let*-values (((compressed pids)
;; Note: 'compressed-output-port' only supports file
;; ports.
(compressed-output-port method
(open-file output "w0"))))
(put-bytevector compressed data)
(close-port compressed)
(and (every (compose zero? cdr waitpid)
(pk 'pids method pids))
(let*-values (((decompressed pids)
(decompressed-port method
(open-bytevector-input-port
(call-with-input-file output
get-bytevector-all))))
((result)
(get-bytevector-all decompressed)))
(close-port decompressed)
(pk 'len method
(if (bytevector? result)
(bytevector-length result)
result)
(bytevector-length data))
(and (every (compose zero? cdr waitpid)
(pk 'pids method pids))
(equal? result data)))))))))
(false-if-exception (delete-file temp-file))
(unless (run?) (test-skip 1))
(test-assert (format #f "compressed-output-port + decompressed-port [~a]"
method)
(let* ((file (search-path %load-path "guix/derivations.scm"))
(data (call-with-input-file file get-bytevector-all))
(port (open-file temp-file "w0b")))
(call-with-compressed-output-port method port
(lambda (compressed)
(put-bytevector compressed data)))
(close-port port)
(bytevector=? data
(call-with-decompressed-port method (open-file temp-file "r0b")
get-bytevector-all)))))
(for-each test-compression/decompression
`(gzip xz lzip zstd)
(list (const #t) (const #t) (const #t)
(lambda ()
(resolve-module '(zstd) #t #f #:ensure #f))))
;; This is actually in (guix store).
(test-equal "store-path-package-name"
"bash-4.2-p24"
(store-path-package-name
(string-append (%store-prefix)
"/qvs2rj2ia5vci3wsdb7qvydrmacig4pg-bash-4.2-p24")))
(test-equal "canonical-newline-port"
"This is a journey\nInto the sound\nA journey ...\n"
(let ((port (open-string-input-port
"This is a journey\r\nInto the sound\r\nA journey ...\n")))
(get-string-all (canonical-newline-port port))))
(test-equal "canonical-newline-port-1024"
(string-concatenate (make-list 100 "0123456789abcde\n"))
(let ((port (open-string-input-port
(string-concatenate
(make-list 100 "0123456789abcde\r\n")))))
(get-string-all (canonical-newline-port port))))
(test-equal "edit-expression"
"(display \"GNU Guix\")\n(newline)\n"
(begin
(call-with-output-file temp-file
(lambda (port)
(display "(display \"xiuG UNG\")\n(newline)\n" port)))
(edit-expression `((filename . ,temp-file)
(line . 0)
(column . 9))
string-reverse)
(call-with-input-file temp-file get-string-all)))
(test-equal "insert-expression"
"(define-public package-1\n 'package)\n
(define-public package-2\n 'package)\n"
(begin
(call-with-output-file temp-file
(lambda (port)
(display "(define-public package-2\n 'package)\n" port)))
(insert-expression `((filename . ,temp-file)
(line . 0)
(column . 0))
`(define-public package-1 'package))
(call-with-input-file temp-file get-string-all)))
(test-equal "find-definition-insertion-location"
(list `((filename . ,temp-file) (line . 0) (column . 0))
`((filename . ,temp-file) (line . 5) (column . 0))
#f)
(begin
(call-with-output-file temp-file
(lambda (port)
(display "(define-public package-1\n 'foo)\n\n" port)
(display "(define foo 'bar)\n\n" port)
(display "(define-public package-2\n 'baz)\n" port)))
(map (lambda (term)
(find-definition-insertion-location temp-file term))
(list 'package 'package-1 'package-2))))
(test-equal "string-distance"
'(0 1 1 5 5)
(list
(string-distance "hello" "hello")
(string-distance "hello" "helo")
(string-distance "helo" "hello")
(string-distance "" "hello")
(string-distance "hello" "")))
(test-equal "string-closest"
'("hello" "hello" "helo" #f)
(list
(string-closest "hello" '("hello"))
(string-closest "hello" '("helo" "hello" "halo"))
(string-closest "hello" '("kikoo" "helo" "hihihi" "halo"))
(string-closest "hello" '("aaaaa" "12345" "hellohello" "h"))))
(test-equal "target-linux?"
'(#t #f #f #t)
(map target-linux?
'("i686-linux-gnu" "i686-w64-mingw32"
;; Checking that "gnu" is present is not sufficient,
;; as GNU/Hurd exists.
"i686-pc-gnu"
;; Some targets have a suffix.
"arm-linux-gnueabihf")))
(test-equal "target-mingw?"
'(#f #f #t)
(map target-mingw?
'("i686-linux-gnu" "i686-pc-gnu"
"i686-w64-mingw32")))
(test-equal "target-x86-32?"
'(#f #f #f #t #t #t #t #f)
;; These are (according to Wikipedia) two RISC architectures
;; by Intel and presumably not compatible with the x86-32 series.
(map target-x86-32?
'("i860-gnu" "i960-gnu"
;; This is a 16-bit architecture
"i286-gnu"
;; These are part of the x86-32 series.
"i386-gnu" "i486-gnu" "i586-gnu" "i686-gnu"
;; Maybe this one will exist some day, but not yet.
"i786-gnu")))
(test-equal "target-x86-64?"
'(#t #f #f #f)
(map target-x86-64?
`("x86_64-linux-gnu" "i386-linux-gnu"
;; Just because it includes "64" doesn't make it 64-bit.
"aarch64-linux-gnu"
;; Note that (expt 2 109) in decimal notation starts with 64.
;; However, it isn't 32-bit.
,(format #f "x86_~a-linux-gnu" (expt 2 109)))))
(test-equal "target-avr?"
'(#t #t #t #f #f)
(map target-avr?
'("avr" "avr-unknown-none"
;; In addition LLVM also uses this form.
"avr-unknown-unknown"
;; The AVR32 architecture also was made by Atmel/Microchip but it
;; does not resemble the AVR family, they aren't compatible in any
;; way.
"avr32" "avr32-unknown-none")))
(test-end)
(false-if-exception (delete-file temp-file))
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