;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès ;;; Copyright © 2014 Eric Bavier ;;; Copyright © 2016 Mathieu Lirzin ;;; ;;; 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 . (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 "bytevector->base16-string->bytevector" (every (lambda (bv) (equal? (base16-string->bytevector (bytevector->base16-string bv)) bv)) (map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar")))) (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-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 "fold2, 1 list" (list (reverse (iota 5)) (map - (reverse (iota 5)))) (call-with-values (lambda () (fold2 (lambda (i r1 r2) (values (cons i r1) (cons (- i) r2))) '() '() (iota 5))) list)) (test-equal "fold2, 2 lists" (list (reverse '((a . 0) (b . 1) (c . 2) (d . 3))) (reverse '((a . 0) (b . -1) (c . -2) (d . -3)))) (call-with-values (lambda () (fold2 (lambda (k v r1 r2) (values (alist-cons k v r1) (alist-cons k (- v) r2))) '() '() '(a b c d) '(0 1 2 3))) list)) (test-equal "split, element is in list" '((foo) (baz)) (call-with-values (lambda () (split '(foo bar baz) 'bar)) list)) (test-equal "split, element is not in list" '((foo bar baz) ()) (call-with-values (lambda () (split '(foo bar baz) 'quux)) list)) (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)))) (let* ((tree (alist->vhash '((0 2 3) (1 3 4) (2) (3 5 6) (4 6) (5) (6)) hashq)) (add-one (lambda (_ r) (1+ r))) (tree-lookup (lambda (n) (cdr (vhash-assq n tree))))) (test-equal "fold-tree, single root" 5 (fold-tree add-one 0 tree-lookup '(0))) (test-equal "fold-tree, two roots" 7 (fold-tree add-one 0 tree-lookup '(0 1))) (test-equal "fold-tree, sum" 16 (fold-tree + 0 tree-lookup '(0))) (test-equal "fold-tree, internal" 18 (fold-tree + 0 tree-lookup '(3 4))) (test-equal "fold-tree, cons" '(1 3 4 5 6) (sort (fold-tree cons '() tree-lookup '(1)) <)) (test-equal "fold-tree, overlapping paths" '(1 3 4 5 6) (sort (fold-tree cons '() tree-lookup '(1 4)) <)) (test-equal "fold-tree, cons, two roots" '(0 2 3 4 5 6) (sort (fold-tree cons '() tree-lookup '(0 4)) <)) (test-equal "fold-tree-leaves, single root" 2 (fold-tree-leaves add-one 0 tree-lookup '(1))) (test-equal "fold-tree-leaves, single root, sum" 11 (fold-tree-leaves + 0 tree-lookup '(1))) (test-equal "fold-tree-leaves, two roots" 3 (fold-tree-leaves add-one 0 tree-lookup '(0 1))) (test-equal "fold-tree-leaves, two roots, sum" 13 (fold-tree-leaves + 0 tree-lookup '(0 1)))) (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)))) (test-assert "compressed-port, decompressed-port, non-file" (let ((data (call-with-input-file (search-path %load-path "guix.scm") get-bytevector-all))) (let*-values (((compressed pids1) (compressed-port 'xz (open-bytevector-input-port data))) ((decompressed pids2) (decompressed-port 'xz compressed))) (and (every (compose zero? cdr waitpid) (append pids1 pids2)) (equal? (get-bytevector-all decompressed) data))))) (false-if-exception (delete-file temp-file)) (test-assert "compressed-output-port + decompressed-port" (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 'xz port (lambda (compressed) (put-bytevector compressed data))) (close-port port) (bytevector=? data (call-with-decompressed-port 'xz (open-file temp-file "r0b") get-bytevector-all)))) (false-if-exception (delete-file temp-file)) (test-equal "fcntl-flock wait" 42 ; the child's exit status (let ((file (open-file temp-file "w0b"))) ;; Acquire an exclusive lock. (fcntl-flock file 'write-lock) (match (primitive-fork) (0 (dynamic-wind (const #t) (lambda () ;; Reopen FILE read-only so we can have a read lock. (let ((file (open-file temp-file "r0b"))) ;; Wait until we can acquire the lock. (fcntl-flock file 'read-lock) (primitive-exit (read file))) (primitive-exit 1)) (lambda () (primitive-exit 2)))) (pid ;; Write garbage and wait. (display "hello, world!" file) (force-output file) (sleep 1) ;; Write the real answer. (seek file 0 SEEK_SET) (truncate-file file 0) (write 42 file) (force-output file) ;; Unlock, which should let the child continue. (fcntl-flock file 'unlock) (match (waitpid pid) ((_ . status) (let ((result (status:exit-val status))) (close-port file) result))))))) (test-equal "fcntl-flock non-blocking" EAGAIN ; the child's exit status (match (pipe) ((input . output) (match (primitive-fork) (0 (dynamic-wind (const #t) (lambda () (close-port output) ;; Wait for the green light. (read-char input) ;; Open FILE read-only so we can have a read lock. (let ((file (open-file temp-file "w0"))) (catch 'flock-error (lambda () ;; This attempt should throw EAGAIN. (fcntl-flock file 'write-lock #:wait? #f)) (lambda (key errno) (primitive-exit (pk 'errno errno))))) (primitive-exit -1)) (lambda () (primitive-exit -2)))) (pid (close-port input) (let ((file (open-file temp-file "w0"))) ;; Acquire an exclusive lock. (fcntl-flock file 'write-lock) ;; Tell the child to continue. (write 'green-light output) (force-output output) (match (waitpid pid) ((_ . status) (let ((result (status:exit-val status))) (fcntl-flock file 'unlock) (close-port file) result))))))))) ;; 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-end) (false-if-exception (delete-file temp-file))