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authorLudovic Courtès <ludo@gnu.org>2018-07-14 19:28:07 +0200
committerLudovic Courtès <ludo@gnu.org>2018-07-19 11:48:04 +0200
commitb94b698d4ed4bc478c56e507d53e5284d4f63073 (patch)
treeb79dc5dfca6542d9a66185f6b898e4c1f4745acb /tests/nar.scm
parentec83abad858a68561959a82aa0daa41c66da31d3 (diff)
downloadguix-b94b698d4ed4bc478c56e507d53e5284d4f63073.tar
guix-b94b698d4ed4bc478c56e507d53e5284d4f63073.tar.gz
serialization: Add 'write-file-tree'.
* guix/serialization.scm (write-contents-from-port): New procedure. (write-contents): Write in terms of 'write-contents-from-port'. (filter/sort-directory-entries, write-file-tree): New procedures. (write-file): Rewrite in terms of 'write-file-tree'. * tests/nar.scm ("write-file-tree + restore-file"): New test.
Diffstat (limited to 'tests/nar.scm')
-rw-r--r--tests/nar.scm62
1 files changed, 61 insertions, 1 deletions
diff --git a/tests/nar.scm b/tests/nar.scm
index 61646db964..9b5fb984b4 100644
--- a/tests/nar.scm
+++ b/tests/nar.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -152,6 +152,66 @@
(test-begin "nar")
+(test-assert "write-file-tree + restore-file"
+ (let* ((file1 (search-path %load-path "guix.scm"))
+ (file2 (search-path %load-path "guix/base32.scm"))
+ (file3 "#!/bin/something")
+ (output (string-append %test-dir "/output")))
+ (dynamic-wind
+ (lambda () #t)
+ (lambda ()
+ (define-values (port get-bytevector)
+ (open-bytevector-output-port))
+ (write-file-tree "root" port
+ #:file-type+size
+ (match-lambda
+ ("root"
+ (values 'directory 0))
+ ("root/foo"
+ (values 'regular (stat:size (stat file1))))
+ ("root/lnk"
+ (values 'symlink 0))
+ ("root/dir"
+ (values 'directory 0))
+ ("root/dir/bar"
+ (values 'regular (stat:size (stat file2))))
+ ("root/dir/exe"
+ (values 'executable (string-length file3))))
+ #:file-port
+ (match-lambda
+ ("root/foo" (open-input-file file1))
+ ("root/dir/bar" (open-input-file file2))
+ ("root/dir/exe" (open-input-string file3)))
+ #:symlink-target
+ (match-lambda
+ ("root/lnk" "foo"))
+ #:directory-entries
+ (match-lambda
+ ("root" '("foo" "dir" "lnk"))
+ ("root/dir" '("bar" "exe"))))
+ (close-port port)
+
+ (rm-rf %test-dir)
+ (mkdir %test-dir)
+ (restore-file (open-bytevector-input-port (get-bytevector))
+ output)
+ (and (file=? (string-append output "/foo") file1)
+ (string=? (readlink (string-append output "/lnk"))
+ "foo")
+ (file=? (string-append output "/dir/bar") file2)
+ (string=? (call-with-input-file (string-append output "/dir/exe")
+ get-string-all)
+ file3)
+ (> (logand (stat:mode (lstat (string-append output "/dir/exe")))
+ #o100)
+ 0)
+ (equal? '("." ".." "bar" "exe")
+ (scandir (string-append output "/dir")))
+ (equal? '("." ".." "dir" "foo" "lnk")
+ (scandir output))))
+ (lambda ()
+ (false-if-exception (rm-rf %test-dir))))))
+
(test-assert "write-file supports non-file output ports"
(let ((input (string-append (dirname (search-path %load-path "guix.scm"))
"/guix"))