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| author | Ludovic Courtès <ludo@gnu.org> | 2017-08-24 13:14:47 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-08-24 23:55:51 +0200 |
| commit | 94e86a6b67c7a02f5f11358743f3b9f11997059c (patch) | |
| tree | 11a28c7422f0fcb366b4d263a4d635f693c83ee0 /tests/grafts.scm | |
| parent | 5e60bef9802e448924f889d34d95a249b008652c (diff) | |
| download | guix-94e86a6b67c7a02f5f11358743f3b9f11997059c.tar guix-94e86a6b67c7a02f5f11358743f3b9f11997059c.tar.gz | |
graft: Correctly replace references near the end of the scan buffer.
Fixes <http://bugs.gnu.org/28212>.
Reported by Leo Famulari <leo@famulari.name>.
* guix/build/graft.scm (replace-store-references): When I >= END, check
whether WRITTEN > END and call 'get-bytevector-n!' when it is.
* tests/grafts.scm (buffer-size): New variable.
("replace-store-references, <http://bugs.gnu.org/28212>"): New test.
Diffstat (limited to 'tests/grafts.scm')
| -rw-r--r-- | tests/grafts.scm | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/tests/grafts.scm b/tests/grafts.scm index 08f05c0f75..abb074d628 100644 --- a/tests/grafts.scm +++ b/tests/grafts.scm @@ -28,7 +28,9 @@ #:use-module (gnu packages bootstrap) #:use-module (srfi srfi-1) #:use-module (srfi srfi-64) - #:use-module (rnrs io ports)) + #:use-module (rnrs bytevectors) + #:use-module (rnrs io ports) + #:use-module (ice-9 vlist)) (define %store (open-connection-for-tests)) @@ -442,4 +444,34 @@ (and (file-exists? (string-append out "/p2/replacement")) (file-exists? (string-append out "/p2/p1/replacement"))))))) +(define buffer-size + ;; Must be equal to REQUEST-SIZE in 'replace-store-references'. + (expt 2 20)) + +(test-equal "replace-store-references, <http://bugs.gnu.org/28212>" + (string-append (make-string (- buffer-size 47) #\a) + "/gnu/store/" (make-string 32 #\8) + "-SoMeTHiNG" + (list->string (map integer->char (iota 77 33)))) + + ;; Create input data where the right-hand-size of the dash ("-something" + ;; here) goes beyond the end of the internal buffer of + ;; 'replace-store-references'. + (let* ((content (string-append (make-string (- buffer-size 47) #\a) + "/gnu/store/" (make-string 32 #\7) + "-something" + (list->string + (map integer->char (iota 77 33))))) + (replacement (alist->vhash + `((,(make-string 32 #\7) + . ,(string->utf8 (string-append + (make-string 32 #\8) + "-SoMeTHiNG"))))))) + (call-with-output-string + (lambda (output) + ((@@ (guix build graft) replace-store-references) + (open-input-string content) output + replacement + "/gnu/store"))))) + (test-end) |