guix/tests/store.scm
Ludovic Courtès 58cbbe4b55 tests: 'topologically-sorted' test handles different references orders.
* tests/store.scm ("topologically-sorted, more difficult"): Arrange to
  handle a different ordering of (references %store y).
2014-03-10 23:43:31 +01:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-store)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix hash)
#:use-module (guix base32)
#:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (guix nar)
#:use-module (gnu packages)
#:use-module (gnu packages bootstrap)
#:use-module (ice-9 match)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module (web uri)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-64))
;; Test the (guix store) module.
(define %store
(false-if-exception (open-connection)))
(when %store
;; Make sure we build everything by ourselves.
(set-build-options %store #:use-substitutes? #f))
(define %seed
(seed->random-state (logxor (getpid) (car (gettimeofday)))))
(define (random-text)
(number->string (random (expt 2 256) %seed) 16))
(test-begin "store")
(test-equal "store-path-hash-part"
"283gqy39v3g9dxjy26rynl0zls82fmcg"
(store-path-hash-part
(string-append (%store-prefix)
"/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
(test-equal "store-path-hash-part #f"
#f
(store-path-hash-part
(string-append (%store-prefix)
"/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
(test-equal "store-path-package-name"
"guile-2.0.7"
(store-path-package-name
(string-append (%store-prefix)
"/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
(test-equal "store-path-package-name #f"
#f
(store-path-package-name
"/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
(test-assert "direct-store-path?"
(and (direct-store-path?
(string-append (%store-prefix)
"/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
(not (direct-store-path?
(string-append
(%store-prefix)
"/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7/bin/guile")))))
(test-skip (if %store 0 10))
(test-assert "dead-paths"
(let ((p (add-text-to-store %store "random-text" (random-text))))
(member p (dead-paths %store))))
;; FIXME: Find a test for `live-paths'.
;;
;; (test-assert "temporary root is in live-paths"
;; (let* ((p1 (add-text-to-store %store "random-text"
;; (random-text) '()))
;; (b (add-text-to-store %store "link-builder"
;; (format #f "echo ~a > $out" p1)
;; '()))
;; (d1 (derivation %store "link"
;; "/bin/sh" `("-e" ,b)
;; #:inputs `((,b) (,p1))))
;; (p2 (derivation->output-path d1)))
;; (and (add-temp-root %store p2)
;; (build-derivations %store (list d1))
;; (valid-path? %store p1)
;; (member (pk p2) (live-paths %store)))))
(test-assert "dead path can be explicitly collected"
(let ((p (add-text-to-store %store "random-text"
(random-text) '())))
(let-values (((paths freed) (delete-paths %store (list p))))
(and (equal? paths (list p))
(> freed 0)
(not (file-exists? p))))))
(test-assert "references"
(let* ((t1 (add-text-to-store %store "random1"
(random-text)))
(t2 (add-text-to-store %store "random2"
(random-text) (list t1))))
(and (equal? (list t1) (references %store t2))
(equal? (list t2) (referrers %store t1))
(null? (references %store t1))
(null? (referrers %store t2)))))
(test-assert "requisites"
(let* ((t1 (add-text-to-store %store "random1"
(random-text) '()))
(t2 (add-text-to-store %store "random2"
(random-text) (list t1)))
(t3 (add-text-to-store %store "random3"
(random-text) (list t2)))
(t4 (add-text-to-store %store "random4"
(random-text) (list t1 t3))))
(define (same? x y)
(and (= (length x) (length y))
(lset= equal? x y)))
(and (same? (requisites %store t1) (list t1))
(same? (requisites %store t2) (list t1 t2))
(same? (requisites %store t3) (list t1 t2 t3))
(same? (requisites %store t4) (list t1 t2 t3 t4)))))
(test-assert "derivers"
(let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
(s (add-to-store %store "bash" #t "sha256"
(search-bootstrap-binary "bash"
(%current-system))))
(d (derivation %store "the-thing"
s `("-e" ,b)
#:env-vars `(("foo" . ,(random-text)))
#:inputs `((,b) (,s))))
(o (derivation->output-path d)))
(and (build-derivations %store (list d))
(equal? (query-derivation-outputs %store (derivation-file-name d))
(list o))
(equal? (valid-derivers %store o)
(list (derivation-file-name d))))))
(test-assert "topologically-sorted, one item"
(let* ((a (add-text-to-store %store "a" "a"))
(b (add-text-to-store %store "b" "b" (list a)))
(c (add-text-to-store %store "c" "c" (list b)))
(d (add-text-to-store %store "d" "d" (list c)))
(s (topologically-sorted %store (list d))))
(equal? s (list a b c d))))
(test-assert "topologically-sorted, several items"
(let* ((a (add-text-to-store %store "a" "a"))
(b (add-text-to-store %store "b" "b" (list a)))
(c (add-text-to-store %store "c" "c" (list b)))
(d (add-text-to-store %store "d" "d" (list c)))
(s1 (topologically-sorted %store (list d a c b)))
(s2 (topologically-sorted %store (list b d c a b d))))
(equal? s1 s2 (list a b c d))))
(test-assert "topologically-sorted, more difficult"
(let* ((a (add-text-to-store %store "a" "a"))
(b (add-text-to-store %store "b" "b" (list a)))
(c (add-text-to-store %store "c" "c" (list b)))
(d (add-text-to-store %store "d" "d" (list c)))
(w (add-text-to-store %store "w" "w"))
(x (add-text-to-store %store "x" "x" (list w)))
(y (add-text-to-store %store "y" "y" (list x d)))
(s1 (topologically-sorted %store (list y)))
(s2 (topologically-sorted %store (list c y)))
(s3 (topologically-sorted %store (cons y (references %store y)))))
;; The order in which 'references' returns the references of Y is
;; unspecified, so accommodate.
(let* ((x-then-d? (equal? (references %store y) (list x d))))
(and (equal? s1
(if x-then-d?
(list w x a b c d y)
(list a b c d w x y)))
(equal? s2
(if x-then-d?
(list a b c w x d y)
(list a b c d w x y)))
(lset= string=? s1 s3)))))
(test-assert "log-file, derivation"
(let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
(s (add-to-store %store "bash" #t "sha256"
(search-bootstrap-binary "bash"
(%current-system))))
(d (derivation %store "the-thing"
s `("-e" ,b)
#:env-vars `(("foo" . ,(random-text)))
#:inputs `((,b) (,s)))))
(and (build-derivations %store (list d))
(file-exists? (pk (log-file %store (derivation-file-name d)))))))
(test-assert "log-file, output file name"
(let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
(s (add-to-store %store "bash" #t "sha256"
(search-bootstrap-binary "bash"
(%current-system))))
(d (derivation %store "the-thing"
s `("-e" ,b)
#:env-vars `(("foo" . ,(random-text)))
#:inputs `((,b) (,s))))
(o (derivation->output-path d)))
(and (build-derivations %store (list d))
(file-exists? (pk (log-file %store o)))
(string=? (log-file %store (derivation-file-name d))
(log-file %store o)))))
(test-assert "no substitutes"
(let* ((s (open-connection))
(d1 (package-derivation s %bootstrap-guile (%current-system)))
(d2 (package-derivation s %bootstrap-glibc (%current-system)))
(o (map derivation->output-path (list d1 d2))))
(set-build-options s #:use-substitutes? #f)
(and (not (has-substitutes? s (derivation-file-name d1)))
(not (has-substitutes? s (derivation-file-name d2)))
(null? (substitutable-paths s o))
(null? (substitutable-path-info s o)))))
(test-skip (if (getenv "GUIX_BINARY_SUBSTITUTE_URL") 0 1))
(test-assert "substitute query"
(let* ((s (open-connection))
(d (package-derivation s %bootstrap-guile (%current-system)))
(o (derivation->output-path d))
(dir (and=> (getenv "GUIX_BINARY_SUBSTITUTE_URL")
(compose uri-path string->uri))))
;; Create fake substituter data, to be read by `substitute-binary'.
(call-with-output-file (string-append dir "/nix-cache-info")
(lambda (p)
(format p "StoreDir: ~a\nWantMassQuery: 0\n"
(%store-prefix))))
(call-with-output-file (string-append dir "/" (store-path-hash-part o)
".narinfo")
(lambda (p)
(format p "StorePath: ~a
URL: ~a
Compression: none
NarSize: 1234
References:
System: ~a
Deriver: ~a~%"
o ; StorePath
(string-append dir "/example.nar") ; URL
(%current-system) ; System
(basename
(derivation-file-name d))))) ; Deriver
;; Remove entry from the local cache.
(false-if-exception
(delete-file (string-append (getenv "XDG_CACHE_HOME")
"/guix/substitute-binary/"
(store-path-hash-part o))))
;; Make sure `substitute-binary' correctly communicates the above data.
(set-build-options s #:use-substitutes? #t)
(and (has-substitutes? s o)
(equal? (list o) (substitutable-paths s (list o)))
(match (pk 'spi (substitutable-path-info s (list o)))
(((? substitutable? s))
(and (string=? (substitutable-deriver s) (derivation-file-name d))
(null? (substitutable-references s))
(equal? (substitutable-nar-size s) 1234)))))))
(test-assert "substitute"
(let* ((s (open-connection))
(c (random-text)) ; contents of the output
(d (build-expression->derivation
s "substitute-me"
`(call-with-output-file %output
(lambda (p)
(exit 1) ; would actually fail
(display ,c p)))
#:guile-for-build
(package-derivation s %bootstrap-guile (%current-system))))
(o (derivation->output-path d))
(dir (and=> (getenv "GUIX_BINARY_SUBSTITUTE_URL")
(compose uri-path string->uri))))
;; Create fake substituter data, to be read by `substitute-binary'.
(call-with-output-file (string-append dir "/nix-cache-info")
(lambda (p)
(format p "StoreDir: ~a\nWantMassQuery: 0\n"
(%store-prefix))))
(call-with-output-file (string-append dir "/example.out")
(lambda (p)
(display c p)))
(call-with-output-file (string-append dir "/example.nar")
(lambda (p)
(write-file (string-append dir "/example.out") p)))
(call-with-output-file (string-append dir "/" (store-path-hash-part o)
".narinfo")
(lambda (p)
(format p "StorePath: ~a
URL: ~a
Compression: none
NarSize: 1234
NarHash: sha256:~a
References:
System: ~a
Deriver: ~a~%"
o ; StorePath
"example.nar" ; relative URL
(call-with-input-file (string-append dir "/example.nar")
(compose bytevector->nix-base32-string sha256
get-bytevector-all))
(%current-system) ; System
(basename
(derivation-file-name d))))) ; Deriver
;; Make sure we use `substitute-binary'.
(set-build-options s #:use-substitutes? #t)
(and (has-substitutes? s o)
(build-derivations s (list d))
(equal? c (call-with-input-file o get-string-all)))))
(test-assert "substitute --fallback"
(let* ((s (open-connection))
(t (random-text)) ; contents of the output
(d (build-expression->derivation
s "substitute-me-not"
`(call-with-output-file %output
(lambda (p)
(display ,t p)))
#:guile-for-build
(package-derivation s %bootstrap-guile (%current-system))))
(o (derivation->output-path d))
(dir (and=> (getenv "GUIX_BINARY_SUBSTITUTE_URL")
(compose uri-path string->uri))))
;; Create fake substituter data, to be read by `substitute-binary'.
(call-with-output-file (string-append dir "/nix-cache-info")
(lambda (p)
(format p "StoreDir: ~a\nWantMassQuery: 0\n"
(%store-prefix))))
(call-with-output-file (string-append dir "/" (store-path-hash-part o)
".narinfo")
(lambda (p)
(format p "StorePath: ~a
URL: ~a
Compression: none
NarSize: 1234
NarHash: sha256:0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
References:
System: ~a
Deriver: ~a~%"
o ; StorePath
"does-not-exist.nar" ; relative URL
(%current-system) ; System
(basename
(derivation-file-name d))))) ; Deriver
;; Make sure we use `substitute-binary'.
(set-build-options s #:use-substitutes? #t)
(and (has-substitutes? s o)
(guard (c ((nix-protocol-error? c)
;; The substituter failed as expected. Now make sure that
;; #:fallback? #t works correctly.
(set-build-options s
#:use-substitutes? #t
#:fallback? #t)
(and (build-derivations s (list d))
(equal? t (call-with-input-file o get-string-all)))))
;; Should fail.
(build-derivations s (list d))
#f))))
(test-assert "export/import several paths"
(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 (import-paths %store source)))
(and (equal? imported files)
(every file-exists? files)
(equal? texts
(map (lambda (file)
(call-with-input-file file
get-string-all))
files)))))))
(test-assert "export/import paths, ensure topological order"
(let* ((file0 (add-text-to-store %store "baz" (random-text)))
(file1 (add-text-to-store %store "foo" (random-text)
(list file0)))
(file2 (add-text-to-store %store "bar" (random-text)
(list file1)))
(files (list file1 file2))
(dump1 (call-with-bytevector-output-port
(cute export-paths %store (list file1 file2) <>)))
(dump2 (call-with-bytevector-output-port
(cute export-paths %store (list file2 file1) <>))))
(delete-paths %store files)
(and (every (negate file-exists?) files)
(bytevector=? dump1 dump2)
(let* ((source (open-bytevector-input-port dump1))
(imported (import-paths %store source)))
;; DUMP1 should contain exactly FILE1 and FILE2, not FILE0.
(and (equal? imported (list file1 file2))
(every file-exists? files)
(equal? (list file0) (references %store file1))
(equal? (list file1) (references %store file2)))))))
(test-assert "import corrupt path"
(let* ((text (random-text))
(file (add-text-to-store %store "text" text))
(dump (call-with-bytevector-output-port
(cut export-paths %store (list file) <>))))
(delete-paths %store (list file))
;; Flip a bit in the stream's payload.
(let* ((index (quotient (bytevector-length dump) 4))
(byte (bytevector-u8-ref dump index)))
(bytevector-u8-set! dump index (logxor #xff byte)))
(and (not (file-exists? file))
(guard (c ((nix-protocol-error? c)
(pk 'c c)
(and (not (zero? (nix-protocol-error-status c)))
(string-contains (nix-protocol-error-message c)
"corrupt"))))
(let* ((source (open-bytevector-input-port dump))
(imported (import-paths %store source)))
(pk 'corrupt-imported imported)
#f)))))
(test-assert "register-path"
(let ((file (string-append (%store-prefix) "/" (make-string 32 #\f)
"-fake")))
(when (valid-path? %store file)
(delete-paths %store (list file)))
(false-if-exception (delete-file file))
(let ((ref (add-text-to-store %store "ref-of-fake" (random-text)))
(drv (string-append file ".drv")))
(call-with-output-file file
(cut display "This is a fake store item.\n" <>))
(register-path file
#:references (list ref)
#:deriver drv)
(and (valid-path? %store file)
(equal? (references %store file) (list ref))
(null? (valid-derivers %store file))
(null? (referrers %store file))))))
(test-end "store")
(exit (= (test-runner-fail-count (test-runner-current)) 0))