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-rw-r--r--tests/derivations.scm14
-rw-r--r--tests/nar.scm7
-rw-r--r--tests/store-deduplication.scm41
-rw-r--r--tests/store.scm4
4 files changed, 51 insertions, 15 deletions
diff --git a/tests/derivations.scm b/tests/derivations.scm
index cd165d1be6..0775719ea3 100644
--- a/tests/derivations.scm
+++ b/tests/derivations.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012-2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -170,11 +170,15 @@
#f))))
(test-assert "identical files are deduplicated"
- (let* ((build1 (add-text-to-store %store "one.sh"
- "echo hello, world > \"$out\"\n"
+ ;; Note: DATA must be longer than %DEDUPLICATION-MINIMUM-SIZE.
+ (let* ((data (make-string 9000 #\a))
+ (build1 (add-text-to-store %store "one.sh"
+ (string-append "echo -n " data
+ " > \"$out\"\n")
'()))
(build2 (add-text-to-store %store "two.sh"
- "# Hey!\necho hello, world > \"$out\"\n"
+ (string-append "# Hey!\necho -n "
+ data " > \"$out\"\n")
'()))
(drv1 (derivation %store "foo"
%bash `(,build1)
@@ -187,7 +191,7 @@
(file2 (derivation->output-path drv2)))
(and (valid-path? %store file1) (valid-path? %store file2)
(string=? (call-with-input-file file1 get-string-all)
- "hello, world\n")
+ data)
(= (stat:ino (lstat file1))
(stat:ino (lstat file2))))))))
diff --git a/tests/nar.scm b/tests/nar.scm
index ba4881caaa..98752f2088 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, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012-2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -486,8 +486,9 @@
;; their mtime and permissions were not reset. Ensure that this bug is
;; gone.
(with-store store
- (let* ((text1 (random-text))
- (text2 (random-text))
+ ;; Note: TEXT1 and TEXT2 must be longer than %DEDUPLICATION-MINIMUM-SIZE.
+ (let* ((text1 (string-concatenate (make-list 200 (random-text))))
+ (text2 (string-concatenate (make-list 200 (random-text))))
(tree `("tree" directory
("a" regular (data ,text1))
("b" directory
diff --git a/tests/store-deduplication.scm b/tests/store-deduplication.scm
index b1c2d93bbd..2950fbc1a3 100644
--- a/tests/store-deduplication.scm
+++ b/tests/store-deduplication.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2018, 2020-2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -30,13 +30,40 @@
(test-begin "store-deduplication")
+(test-equal "deduplicate, below %deduplication-minimum-size"
+ (list #t (make-list 5 1))
+
+ (call-with-temporary-directory
+ (lambda (store)
+ ;; Note: DATA must be longer than %DEDUPLICATION-MINIMUM-SIZE.
+ (let ((data "Hello, world!")
+ (identical (map (lambda (n)
+ (string-append store "/" (number->string n)
+ "/a/b/c"))
+ (iota 5))))
+ (for-each (lambda (file)
+ (mkdir-p (dirname file))
+ (call-with-output-file file
+ (lambda (port)
+ (put-bytevector port (string->utf8 data)))))
+ identical)
+
+ (deduplicate store (nar-sha256 store) #:store store)
+
+ ;; (system (string-append "ls -lRia " store))
+ (list (= (length (delete-duplicates
+ (map (compose stat:ino stat) identical)))
+ (length identical))
+ (map (compose stat:nlink stat) identical))))))
+
(test-equal "deduplicate"
(cons* #t #f ;inode comparisons
2 (make-list 5 6)) ;'nlink' values
(call-with-temporary-directory
(lambda (store)
- (let ((data (string->utf8 "Hello, world!"))
+ ;; Note: DATA must be longer than %DEDUPLICATION-MINIMUM-SIZE.
+ (let ((data (string-concatenate (make-list 1000 "Hello, world!")))
(identical (map (lambda (n)
(string-append store "/" (number->string n)
"/a/b/c"))
@@ -46,7 +73,7 @@
(mkdir-p (dirname file))
(call-with-output-file file
(lambda (port)
- (put-bytevector port data))))
+ (put-bytevector port (string->utf8 data)))))
identical)
;; Make the parent of IDENTICAL read-only. This should not prevent
;; deduplication from inserting its hard link.
@@ -54,7 +81,7 @@
(call-with-output-file unique
(lambda (port)
- (put-bytevector port (string->utf8 "This is unique."))))
+ (put-bytevector port (string->utf8 (string-reverse data)))))
(deduplicate store (nar-sha256 store) #:store store)
@@ -77,8 +104,10 @@
(lambda (store)
(let ((true-link link)
(links 0)
- (data1 (string->utf8 "Hello, world!"))
- (data2 (string->utf8 "Hi, world!"))
+ (data1 (string->utf8
+ (string-concatenate (make-list 1000 "Hello, world!"))))
+ (data2 (string->utf8
+ (string-concatenate (make-list 1000 "Hi, world!"))))
(identical (map (lambda (n)
(string-append store "/" (number->string n)
"/a/b/c"))
diff --git a/tests/store.scm b/tests/store.scm
index 2150a0048c..5c9f651d6c 100644
--- a/tests/store.scm
+++ b/tests/store.scm
@@ -759,7 +759,9 @@
(test-assert "substitute, deduplication"
(with-store s
- (let* ((c (random-text)) ; contents of the output
+ ;; Note: C must be longer than %DEDUPLICATION-MINIMUM-SIZE.
+ (let* ((c (string-concatenate
+ (make-list 200 (random-text)))) ; contents of the output
(g (package-derivation s %bootstrap-guile))
(d1 (build-expression->derivation s "substitute-me"
`(begin ,c (exit 1))