;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
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(define-module (test-nar)
  #:use-module (guix tests)
  #:use-module (guix nar)
  #:use-module (guix serialization)
  #:use-module (guix store)
  #:use-module ((guix hash)
                #:select (open-sha256-port op</td></tr></table>
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<div class='path'>path: <a href='/guix/commit/?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>root</a>/<a href='/guix/commit/gnu?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>gnu</a>/<a href='/guix/commit/gnu/packages?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>packages</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='d5c34f9b18087ee462512eed21e6d4a332f2235a'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>rsiddharth &lt;s@ricketyspace.net&gt;</td><td class='right'>2018-03-21 03:45:04 +0000</td></tr>
<tr><th>committer</th><td>Ludovic Courtès &lt;ludo@gnu.org&gt;</td><td class='right'>2018-03-31 19:27:40 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/packages?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>d5c34f9b18087ee462512eed21e6d4a332f2235a</a> (<a href='/guix/patch/gnu/packages?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>9fda99d7857dfe953f23606f45707c1b095885df</a> /<a href='/guix/tree/gnu/packages?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>gnu/packages</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/packages?id=8434594d6d76c27bccf61b6c6d91d11e9869c0b1'>8434594d6d76c27bccf61b6c6d91d11e9869c0b1</a> (<a href='/guix/diff/gnu/packages?id=d5c34f9b18087ee462512eed21e6d4a332f2235a&amp;id2=8434594d6d76c27bccf61b6c6d91d11e9869c0b1'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-d5c34f9b18087ee462512eed21e6d4a332f2235a.tar.gz'>guix-d5c34f9b18087ee462512eed21e6d4a332f2235a.tar.gz</a><br/><a href='/guix/snapshot/guix-d5c34f9b18087ee462512eed21e6d4a332f2235a.zip'>guix-d5c34f9b18087ee462512eed21e6d4a332f2235a.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: Add ghc-unliftio-core.</div><div class='commit-msg'>* gnu/packages/haskell.scm (ghc-unliftio-core): New variable.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</div><div class='diffstat-header'><a href='/guix/diff/?id=d5c34f9b18087ee462512eed21e6d4a332f2235a'>Diffstat</a> (limited to 'gnu/packages')</div><table summary='diffstat' class='diffstat'>4g96jnb2z3")
  (let ((input (string-append %test-dir ".input")))
    (dynamic-wind
      (lambda ()
        (define (touch file)
          (call-with-output-file (string-append input "/" file)
            (const #t)))

        (mkdir input)
        (touch "B")
        (touch "Z")
        (touch "a")
        (symlink "B" (string-append input "/z")))
      (lambda ()
        (let-values (((port get-hash) (open-sha256-port)))
          (write-file input port)
          (close-port port)
          (get-hash)))
      (lambda ()
        (rm-rf input)))))

(test-equal "restore-file with incomplete input"
  (string-append %test-dir "/foo")
  (let ((port (open-bytevector-input-port #vu8(1 2 3))))
    (guard (c ((nar-error? c)
               (and (eq? port (nar-error-port c))
                    (nar-error-file c))))
      (restore-file port (string-append %test-dir "/foo"))
      #f)))

(test-assert "write-file + restore-file"
  (let* ((input  (string-append (dirname (search-path %load-path "guix.scm"))
                                "/guix"))
         (output %test-dir)
         (nar    (string-append output ".nar")))
    (dynamic-wind
      (lambda () #t)
      (lambda ()
        (call-with-output-file nar
          (cut write-file input <>))
        (call-with-input-file nar
          (cut restore-file <> output))
        (file-tree-equal? input output))
      (lambda ()
        (false-if-exception (delete-file nar))
        (false-if-exception (rm-rf output))))))

(test-assert "write-file + restore-file with symlinks"
  (let ((input (string-append %test-dir ".input")))
    (mkdir input)
    (dynamic-wind
      (const #t)
      (lambda ()
        (with-file-tree input
            (directory "root"
                       (("reg") ("exe" #o777) ("sym" -> "reg")))
          (let* ((output %test-dir)
                 (nar    (string-append output ".nar")))
            (dynamic-wind
              (lambda () #t)
              (lambda ()
                (call-with-output-file nar
                  (cut write-file input <>))
                (call-with-input-file nar
                  (cut restore-file <> output))
                (file-tree-equal? input output))
              (lambda ()
                (false-if-exception (delete-file nar))
                (false-if-exception (rm-rf output)))))))
      (lambda ()
        (rmdir input)))))

(test-assert "write-file #:select? + restore-file"
  (let ((input (string-append %test-dir ".input")))
    (mkdir input)
    (dynamic-wind
      (const #t)
      (lambda ()
        (with-file-tree input
            (directory "root"
                       ((directory "a" (("x") ("y") ("z")))
                        ("b") ("c") ("d" -> "b")))
          (let* ((output %test-dir)
                 (nar    (string-append output ".nar")))
            (dynamic-wind
              (lambda () #t)
              (lambda ()
                (call-with-output-file nar
                  (lambda (port)
                    (write-file input port
                                #:select?
                                (lambda (file stat)
                                  (and (not (string=? (basename file)
                                                      "a"))
                                       (not (eq? (stat:type stat)
                                                 'symlink)))))))
                (call-with-input-file nar
                  (cut restore-file <> output))

                ;; Make sure "a" and "d" have been filtered out.
                (and (not (file-exists? (string-append output "/root/a")))
                     (file=? (string-append output "/root/b")
                             (string-append input "/root/b"))
                     (file=? (string-append output "/root/c")
                             (string-append input "/root/c"))
                     (not (file-exists? (string-append output "/root/d")))))
              (lambda ()
                (false-if-exception (delete-file nar))
                (false-if-exception (rm-rf output)))))))
      (lambda ()
        (rmdir input)))))

;; 'restore-file-set' depends on 'open-sha256-input-port', which in turn
;; relies on a Guile 2.0.10+ feature.
(test-skip (if (false-if-exception
                (open-sha256-input-port (%make-void-port "r")))
               0
               3))

(test-assert "restore-file-set (signed, valid)"
  (with-store store
    (let* ((texts (unfold (cut >= <> 10)
                          (lambda _ (random-text))
                          1+
                          0))
           (files (map (cut add-text-to-store store "text" <>) texts))
           (dump  (call-with-bytevector-output-port
                   (cut export-paths store files <>))))
      (delete-paths store files)
      (and (every (negate file-exists?) files)
           (let* ((source   (open-bytevector-input-port dump))
                  (imported (restore-file-set source)))
             (and (equal? imported files)
                  (every (lambda (file)
                           (and (file-exists? file)
                                (valid-path? store file)))
                         files)
                  (equal? texts
                          (map (lambda (file)
                                 (call-with-input-file file
                                   get-string-all))
                               files))))))))

(test-assert "restore-file-set (missing signature)"
  (let/ec return
    (with-store store
      (let* ((file  (add-text-to-store store "foo" (random-text)))
             (dump  (call-with-bytevector-output-port
                     (cute export-paths store (list file) <>
                           #:sign? #f))))
        (delete-paths store (list file))
        (and (not (file-exists? file))
             (let ((source (open-bytevector-input-port dump)))
               (guard (c ((nar-signature-error? c)
                          (let ((message (condition-message c))
                                (port    (nar-error-port c)))
                            (return
                             (and (string-match "lacks.*signature" message)
                                  (string=? file (nar-error-file c))
                                  (eq? source port))))))
                 (restore-file-set source))
               #f))))))

(test-assert "restore-file-set (corrupt)"
  (let/ec return
    (with-store store
      (let* ((file  (add-text-to-store store "foo"
                                       (random-text)))
             (dump  (call-with-bytevector-output-port
                     (cute export-paths store (list file) <>))))
        (delete-paths store (list file))

        ;; Flip a byte in the file contents.
        (let* ((index 120)
               (byte  (bytevector-u8-ref dump index)))
          (bytevector-u8-set! dump index (logxor #xff byte)))

        (and (not (file-exists? file))
             (let ((source (open-bytevector-input-port dump)))
               (guard (c ((nar-invalid-hash-error? c)
                          (let ((message (condition-message c))
                                (port    (nar-error-port c)))
                            (return
                             (and (string-contains message "hash")
                                  (string=? file (nar-error-file c))
                                  (eq? source port))))))
                 (restore-file-set source))
               #f))))))

(test-end "nar")

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