339 lines
12 KiB
Scheme
339 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
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;;; Copyright © 2016 Mathieu Lirzin <mthl@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 (test-utils)
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#:use-module ((guix config) #:select (%gzip))
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#:use-module (guix utils)
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#:use-module ((guix store) #:select (%store-prefix store-path-package-name))
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#:use-module ((guix search-paths) #:select (string-tokenize*))
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-64)
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#:use-module (rnrs bytevectors)
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#:use-module (rnrs io ports)
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#:use-module (ice-9 match)
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#:use-module (ice-9 vlist))
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(define temp-file
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(string-append "t-utils-" (number->string (getpid))))
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(test-begin "utils")
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(test-assert "bytevector->base16-string->bytevector"
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(every (lambda (bv)
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(equal? (base16-string->bytevector
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(bytevector->base16-string bv))
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bv))
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(map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))))
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(test-assert "gnu-triplet->nix-system"
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(let ((samples '(("i586-gnu0.3" "i686-gnu")
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("x86_64-unknown-linux-gnu" "x86_64-linux")
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("i386-pc-linux-gnu" "i686-linux")
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("x86_64-unknown-freebsd8.2" "x86_64-freebsd")
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("x86_64-apple-darwin10.8.0" "x86_64-darwin")
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("i686-pc-cygwin" "i686-cygwin"))))
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(let-values (((gnu nix) (unzip2 samples)))
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(every (lambda (gnu nix)
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(equal? nix (gnu-triplet->nix-system gnu)))
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gnu nix))))
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(test-assert "package-name->name+version"
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(every (match-lambda
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((name version)
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(let*-values (((full-name)
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(if version
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(string-append name "@" version)
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name))
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((name* version*)
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(package-name->name+version full-name)))
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(and (equal? name* name)
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(equal? version* version)))))
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'(("foo" "0.9.1b")
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("foo-14-bar" "320")
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("foo-bar2" #f)
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("guile" "2.0.6.65-134c9") ; as produced by `git-version-gen'
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("nixpkgs" "1.0pre22125_a28fe19")
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("gtk2" "2.38.0"))))
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(test-assert "guile-version>? 1.8"
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(guile-version>? "1.8"))
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(test-assert "guile-version>? 10.5"
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(not (guile-version>? "10.5")))
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(test-equal "string-tokenize*"
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'(("foo")
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("foo" "bar" "baz")
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("foo" "bar" "")
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("foo" "bar" "baz"))
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(list (string-tokenize* "foo" ":")
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(string-tokenize* "foo;bar;baz" ";")
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(string-tokenize* "foo!bar!" "!")
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(string-tokenize* "foo+-+bar+-+baz" "+-+")))
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(test-equal "string-replace-substring"
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'("foo BAR! baz"
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"/gnu/store/chbouib"
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"")
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(list (string-replace-substring "foo bar baz" "bar" "BAR!")
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(string-replace-substring "/nix/store/chbouib" "/nix/" "/gnu/")
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(string-replace-substring "" "foo" "bar")))
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(test-equal "fold2, 1 list"
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(list (reverse (iota 5))
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(map - (reverse (iota 5))))
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(call-with-values
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(lambda ()
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(fold2 (lambda (i r1 r2)
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(values (cons i r1)
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(cons (- i) r2)))
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'() '()
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(iota 5)))
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list))
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(test-equal "fold2, 2 lists"
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(list (reverse '((a . 0) (b . 1) (c . 2) (d . 3)))
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(reverse '((a . 0) (b . -1) (c . -2) (d . -3))))
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(call-with-values
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(lambda ()
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(fold2 (lambda (k v r1 r2)
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(values (alist-cons k v r1)
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(alist-cons k (- v) r2)))
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'() '()
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'(a b c d)
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'(0 1 2 3)))
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list))
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(test-equal "split, element is in list"
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'((foo) (baz))
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(call-with-values
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(lambda ()
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(split '(foo bar baz) 'bar))
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list))
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(test-equal "split, element is not in list"
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'((foo bar baz) ())
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(call-with-values
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(lambda ()
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(split '(foo bar baz) 'quux))
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list))
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(test-equal "strip-keyword-arguments"
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'(a #:b b #:c c)
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(strip-keyword-arguments '(#:foo #:bar #:baz)
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'(a #:foo 42 #:b b #:baz 3
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#:c c #:bar 4)))
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(test-equal "ensure-keyword-arguments"
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'((#:foo 2)
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(#:foo 2 #:bar 3)
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(#:foo 42 #:bar 3))
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(list (ensure-keyword-arguments '(#:foo 2) '(#:foo 2))
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(ensure-keyword-arguments '(#:foo 2) '(#:bar 3))
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(ensure-keyword-arguments '(#:foo 2) '(#:bar 3 #:foo 42))))
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(let* ((tree (alist->vhash
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'((0 2 3) (1 3 4) (2) (3 5 6) (4 6) (5) (6))
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hashq))
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(add-one (lambda (_ r) (1+ r)))
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(tree-lookup (lambda (n) (cdr (vhash-assq n tree)))))
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(test-equal "fold-tree, single root"
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5 (fold-tree add-one 0 tree-lookup '(0)))
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(test-equal "fold-tree, two roots"
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7 (fold-tree add-one 0 tree-lookup '(0 1)))
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(test-equal "fold-tree, sum"
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16 (fold-tree + 0 tree-lookup '(0)))
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(test-equal "fold-tree, internal"
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18 (fold-tree + 0 tree-lookup '(3 4)))
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(test-equal "fold-tree, cons"
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'(1 3 4 5 6)
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(sort (fold-tree cons '() tree-lookup '(1)) <))
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(test-equal "fold-tree, overlapping paths"
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'(1 3 4 5 6)
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(sort (fold-tree cons '() tree-lookup '(1 4)) <))
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(test-equal "fold-tree, cons, two roots"
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'(0 2 3 4 5 6)
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(sort (fold-tree cons '() tree-lookup '(0 4)) <))
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(test-equal "fold-tree-leaves, single root"
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2 (fold-tree-leaves add-one 0 tree-lookup '(1)))
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(test-equal "fold-tree-leaves, single root, sum"
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11 (fold-tree-leaves + 0 tree-lookup '(1)))
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(test-equal "fold-tree-leaves, two roots"
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3 (fold-tree-leaves add-one 0 tree-lookup '(0 1)))
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(test-equal "fold-tree-leaves, two roots, sum"
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13 (fold-tree-leaves + 0 tree-lookup '(0 1))))
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(test-assert "filtered-port, file"
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(let* ((file (search-path %load-path "guix.scm"))
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(input (open-file file "r0b")))
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(let*-values (((compressed pids1)
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(filtered-port `(,%gzip "-c" "--fast") input))
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((decompressed pids2)
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(filtered-port `(,%gzip "-d") compressed)))
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(and (every (compose zero? cdr waitpid)
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(append pids1 pids2))
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(equal? (get-bytevector-all decompressed)
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(call-with-input-file file get-bytevector-all))))))
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(test-assert "filtered-port, non-file"
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(let ((data (call-with-input-file (search-path %load-path "guix.scm")
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get-bytevector-all)))
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(let*-values (((compressed pids1)
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(filtered-port `(,%gzip "-c" "--fast")
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(open-bytevector-input-port data)))
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((decompressed pids2)
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(filtered-port `(,%gzip "-d") compressed)))
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(and (pk (every (compose zero? cdr waitpid)
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(append pids1 pids2)))
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(equal? (get-bytevector-all decompressed) data)))))
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(test-assert "filtered-port, does not exist"
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(let* ((file (search-path %load-path "guix.scm"))
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(input (open-file file "r0b")))
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(let-values (((port pids)
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(filtered-port '("/does/not/exist") input)))
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(any (compose (negate zero?) cdr waitpid)
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pids))))
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(test-assert "compressed-port, decompressed-port, non-file"
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(let ((data (call-with-input-file (search-path %load-path "guix.scm")
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get-bytevector-all)))
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(let*-values (((compressed pids1)
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(compressed-port 'xz (open-bytevector-input-port data)))
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((decompressed pids2)
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(decompressed-port 'xz compressed)))
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(and (every (compose zero? cdr waitpid)
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(append pids1 pids2))
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(equal? (get-bytevector-all decompressed) data)))))
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(false-if-exception (delete-file temp-file))
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(test-assert "compressed-output-port + decompressed-port"
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(let* ((file (search-path %load-path "guix/derivations.scm"))
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(data (call-with-input-file file get-bytevector-all))
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(port (open-file temp-file "w0b")))
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(call-with-compressed-output-port 'xz port
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(lambda (compressed)
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(put-bytevector compressed data)))
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(close-port port)
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(bytevector=? data
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(call-with-decompressed-port 'xz (open-file temp-file "r0b")
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get-bytevector-all))))
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(false-if-exception (delete-file temp-file))
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(test-equal "fcntl-flock wait"
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42 ; the child's exit status
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(let ((file (open-file temp-file "w0b")))
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;; Acquire an exclusive lock.
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(fcntl-flock file 'write-lock)
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(match (primitive-fork)
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(0
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(dynamic-wind
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(const #t)
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(lambda ()
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;; Reopen FILE read-only so we can have a read lock.
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(let ((file (open-file temp-file "r0b")))
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;; Wait until we can acquire the lock.
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(fcntl-flock file 'read-lock)
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(primitive-exit (read file)))
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(primitive-exit 1))
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(lambda ()
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(primitive-exit 2))))
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(pid
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;; Write garbage and wait.
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(display "hello, world!" file)
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(force-output file)
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(sleep 1)
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;; Write the real answer.
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(seek file 0 SEEK_SET)
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(truncate-file file 0)
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(write 42 file)
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(force-output file)
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;; Unlock, which should let the child continue.
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(fcntl-flock file 'unlock)
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(match (waitpid pid)
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((_ . status)
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(let ((result (status:exit-val status)))
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(close-port file)
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result)))))))
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(test-equal "fcntl-flock non-blocking"
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EAGAIN ; the child's exit status
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(match (pipe)
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((input . output)
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(match (primitive-fork)
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(0
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(dynamic-wind
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(const #t)
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(lambda ()
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(close-port output)
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;; Wait for the green light.
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(read-char input)
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;; Open FILE read-only so we can have a read lock.
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(let ((file (open-file temp-file "w0")))
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(catch 'flock-error
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(lambda ()
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;; This attempt should throw EAGAIN.
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(fcntl-flock file 'write-lock #:wait? #f))
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(lambda (key errno)
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(primitive-exit (pk 'errno errno)))))
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(primitive-exit -1))
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(lambda ()
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(primitive-exit -2))))
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(pid
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(close-port input)
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(let ((file (open-file temp-file "w0")))
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;; Acquire an exclusive lock.
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(fcntl-flock file 'write-lock)
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;; Tell the child to continue.
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(write 'green-light output)
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(force-output output)
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(match (waitpid pid)
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((_ . status)
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(let ((result (status:exit-val status)))
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(fcntl-flock file 'unlock)
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(close-port file)
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result)))))))))
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;; This is actually in (guix store).
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(test-equal "store-path-package-name"
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"bash-4.2-p24"
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(store-path-package-name
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(string-append (%store-prefix)
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"/qvs2rj2ia5vci3wsdb7qvydrmacig4pg-bash-4.2-p24")))
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(test-equal "canonical-newline-port"
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"This is a journey\nInto the sound\nA journey ...\n"
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(let ((port (open-string-input-port
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"This is a journey\r\nInto the sound\r\nA journey ...\n")))
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(get-string-all (canonical-newline-port port))))
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(test-end)
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(false-if-exception (delete-file temp-file))
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