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|
;;; Guile-Git --- GNU Guile bindings of libgit2
;;; Copyright © 2021 Julien Lepiller <julien@lepiller.eu>
;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guile-Git.
;;;
;;; Guile-Git 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.
;;;
;;; Guile-Git 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 Guile-Git. If not, see <http://www.gnu.org/licenses/>.
(define-module (tests diff)
#:use-module (srfi srfi-64))
(use-modules (tests helpers)
(ice-9 match))
(use-modules (git)
(git object))
(test-begin "diff")
(libgit2-init!)
(with-repository "simple-bare" directory
(test-equal "diff tree to tree"
"diff --git a/directory/message b/directory/message
deleted file mode 100644
index b075b00..0000000
--- a/directory/message
+++ /dev/null
@@ -1 +0,0 @@
-a file in a directory
"
(let* ((repository (repository-open directory))
(oid (reference-target (repository-head repository)))
(commit1 (commit-lookup repository oid))
(commit2 (commit-parent commit1)))
(diff->string (diff-tree-to-tree repository (commit-tree commit1) (commit-tree commit2)))))
(test-equal "diff foreach"
'(1 0 1 1)
(let* ((repository (repository-open directory))
(oid (reference-target (repository-head repository)))
(commit1 (commit-lookup repository oid))
(commit2 (commit-parent commit1))
(diff (diff-tree-to-tree repository (commit-tree commit1) (commit-tree commit2)))
(count '(0 0 0 0)))
(diff-foreach
diff
;file-cb
(lambda (delta progress)
(match count
((f b h l)
(set! count `(,(+ f 1) ,b ,h ,l))
0)))
;binary-cb
(lambda (delta binary)
(match count
((f b h l)
(set! count `(,f ,(+ b 1) ,h ,l))
0)))
;hunk-cb
(lambda (delta hunk)
(match count
((f b h l)
(set! count `(,f ,b ,(+ h 1) ,l))
0)))
;line-cb
(lambda (delta hunk line)
(match count
((f b h l)
(set! count `(,f ,b ,h ,(+ l 1)))
0))))
count))
(test-equal "diff fold"
'(1 0 1 1)
(let* ((repository (repository-open directory))
(oid (reference-target (repository-head repository)))
(commit1 (commit-lookup repository oid))
(commit2 (commit-parent commit1))
(diff (diff-tree-to-tree repository (commit-tree commit1) (commit-tree commit2))))
(diff-fold
(lambda (delta progress count)
(match count
((f b h l)
`(,(+ f 1) ,b ,h ,l))))
(lambda (delta binary count)
(match count
((f b h l)
`(,f ,(+ b 1) ,h ,l))))
(lambda (delta hunk count)
(match count
((f b h l)
`(,f ,b ,(+ h 1) ,l))))
(lambda (delta hunk line count)
(match count
((f b h l)
`(,f ,b ,h ,(+ l 1)))))
'(0 0 0 0)
diff)))
(test-equal "diff fold, capture deltas"
'("directory/message")
(let* ((repository (repository-open directory))
(oid (reference-target (repository-head repository)))
(commit1 (commit-lookup repository oid))
(commit2 (commit-parent commit1))
(diff (diff-tree-to-tree repository
(commit-tree commit1)
(commit-tree commit2))))
(define deltas
(diff-fold
(lambda (delta progress lst)
(gc)
(cons delta lst))
(lambda (delta binary lst)
(cons delta lst))
(lambda (delta hunk lst)
lst)
(lambda (delta hunk line lst)
lst)
'()
diff))
;; Make sure the <diff-delta> objects are still valid once 'diff-fold'
;; has returned.
(map (compose diff-file-path diff-delta-old-file) deltas)))
(test-equal "diff filename"
"directory/message"
(let* ((repository (repository-open directory))
(oid (reference-target (repository-head repository)))
(commit1 (commit-lookup repository oid))
(commit2 (commit-parent commit1))
(diff (diff-tree-to-tree repository (commit-tree commit1) (commit-tree commit2)))
(name #f))
(diff-foreach
diff
(lambda (delta progress)
(set! name (diff-file-path (diff-delta-old-file delta)))
0)
(const 0)
(const 0)
(const 0))
name)))
(libgit2-shutdown!)
(test-end)
|
