tests/store.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
   3 ;;;
   4 ;;; This file is part of GNU Guix.
   5 ;;;
   6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   7 ;;; under the terms of the GNU General Public License as published by
   8 ;;; the Free Software Foundation; either version 3 of the License, or (at
   9 ;;; your option) any later version.
  10 ;;;
  11 ;;; GNU Guix is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU General Public License
  17 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 (define-module (test-store)
  20   #:use-module (guix tests)
  21   #:use-module (guix config)
  22   #:use-module (guix store)
  23   #:use-module (guix utils)
  24   #:use-module (guix monads)
  25   #:use-module ((gcrypt hash) #:prefix gcrypt:)
  26   #:use-module ((gcrypt pk-crypto) #:prefix gcrypt:)
  27   #:use-module (guix pki)
  28   #:use-module (guix base32)
  29   #:use-module (guix packages)
  30   #:use-module (guix derivations)
  31   #:use-module (guix serialization)
  32   #:use-module (guix build utils)
  33   #:use-module (guix gexp)
  34   #:use-module (gnu packages)
  35   #:use-module (gnu packages bootstrap)
  36   #:use-module (ice-9 match)
  37   #:use-module (ice-9 regex)
  38   #:use-module (rnrs bytevectors)
  39   #:use-module (rnrs io ports)
  40   #:use-module (web uri)
  41   #:use-module (srfi srfi-1)
  42   #:use-module (srfi srfi-11)
  43   #:use-module (srfi srfi-26)
  44   #:use-module (srfi srfi-34)
  45   #:use-module (srfi srfi-64))
  46
  47 ;; Test the (guix store) module.
  48
  49 (define %store
  50   (open-connection-for-tests))
  51
  52 (define %shell
  53   (or (getenv "SHELL") (getenv "CONFIG_SHELL") "/bin/sh"))
  54
  55 \f
  56 (test-begin "store")
  57
  58 (test-assert "open-connection with file:// URI"
  59   (let ((store (open-connection (string-append "file://"
  60                                                (%daemon-socket-uri)))))
  61     (and (add-text-to-store store "foo" "bar")
  62          (begin
  63            (close-connection store)
  64            #t))))
  65
  66 (test-equal "connection handshake error"
  67   EPROTO
  68   (let ((port (%make-void-port "rw")))
  69     (guard (c ((store-connection-error? c)
  70                (and (eq? port (store-connection-error-file c))
  71                     (store-connection-error-code c))))
  72       (open-connection #f #:port port)
  73       'broken)))
  74
  75 (test-equal "store-path-hash-part"
  76   "283gqy39v3g9dxjy26rynl0zls82fmcg"
  77   (store-path-hash-part
  78    (string-append (%store-prefix)
  79                   "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
  80
  81 (test-equal "store-path-hash-part #f"
  82   #f
  83   (store-path-hash-part
  84    (string-append (%store-prefix)
  85                   "/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
  86
  87 (test-equal "store-path-package-name"
  88   "guile-2.0.7"
  89   (store-path-package-name
  90    (string-append (%store-prefix)
  91                   "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
  92
  93 (test-equal "store-path-package-name #f"
  94   #f
  95   (store-path-package-name
  96    "/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
  97
  98 (test-assert "direct-store-path?"
  99   (and (direct-store-path?
 100         (string-append (%store-prefix)
 101                        "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
 102        (not (direct-store-path?
 103              (string-append
 104               (%store-prefix)
 105               "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7/bin/guile")))
 106        (not (direct-store-path? (%store-prefix)))))
 107
 108 (test-skip (if %store 0 15))
 109
 110 (test-equal "profiles/per-user exists and is not writable"
 111   #o755
 112   (stat:perms (stat (string-append %state-directory "/profiles/per-user"))))
 113
 114 (test-equal "profiles/per-user/$USER exists"
 115   (list (getuid) #o755)
 116   (let ((s (stat (string-append %state-directory "/profiles/per-user/"
 117                                 (passwd:name (getpwuid (getuid)))))))
 118     (list (stat:uid s) (stat:perms s))))
 119
 120 (test-equal "add-to-store"
 121   '("sha1" "sha256" "sha512" "sha3-256" "sha3-512" "blake2s-256")
 122   (let* ((file    (search-path %load-path "guix.scm"))
 123          (content (call-with-input-file file get-bytevector-all)))
 124     (map (lambda (hash-algo)
 125            (let ((file (add-to-store %store "guix.scm" #f hash-algo file)))
 126              (and (direct-store-path? file)
 127                   (bytevector=? (call-with-input-file file get-bytevector-all)
 128                                 content)
 129                   hash-algo)))
 130          '("sha1" "sha256" "sha512" "sha3-256" "sha3-512" "blake2s-256"))))
 131
 132 (test-equal "add-data-to-store"
 133   #vu8(1 2 3 4 5)
 134   (call-with-input-file (add-data-to-store %store "data" #vu8(1 2 3 4 5))
 135     get-bytevector-all))
 136
 137 (test-assert "valid-path? live"
 138   (let ((p (add-text-to-store %store "hello" "hello, world")))
 139     (valid-path? %store p)))
 140
 141 (test-assert "valid-path? false"
 142   (not (valid-path? %store
 143                     (string-append (%store-prefix) "/"
 144                                    (make-string 32 #\e) "-foobar"))))
 145
 146 (test-equal "with-store, multiple values"        ;<https://bugs.gnu.org/42912>
 147   '(1 2 3)
 148   (call-with-values
 149       (lambda ()
 150         (with-store s
 151           (add-text-to-store s "foo" "bar")
 152           (values 1 2 3)))
 153     list))
 154
 155 (test-assert "valid-path? error"
 156   (with-store s
 157     (guard (c ((store-protocol-error? c) #t))
 158       (valid-path? s "foo")
 159       #f)))
 160
 161 (test-assert "valid-path? recovery"
 162   ;; Prior to Nix commit 51800e0 (18 Mar. 2014), the daemon would immediately
 163   ;; close the connection after receiving a 'valid-path?' RPC with a non-store
 164   ;; file name.  See
 165   ;; <http://article.gmane.org/gmane.linux.distributions.nixos/12411> for
 166   ;; details.
 167   (with-store s
 168     (let-syntax ((true-if-error (syntax-rules ()
 169                                   ((_ exp)
 170                                    (guard (c ((store-protocol-error? c) #t))
 171                                      exp #f)))))
 172       (and (true-if-error (valid-path? s "foo"))
 173            (true-if-error (valid-path? s "bar"))
 174            (true-if-error (valid-path? s "baz"))
 175            (true-if-error (valid-path? s "chbouib"))
 176            (valid-path? s (add-text-to-store s "valid" "yeah"))))))
 177
 178 (test-assert "hash-part->path"
 179   (let ((p (add-text-to-store %store "hello" "hello, world")))
 180     (equal? (hash-part->path %store (store-path-hash-part p))
 181             p)))
 182
 183 (test-assert "dead-paths"
 184   (let ((p (add-text-to-store %store "random-text" (random-text))))
 185     (->bool (member p (dead-paths %store)))))
 186
 187 ;; FIXME: Find a test for `live-paths'.
 188 ;;
 189 ;; (test-assert "temporary root is in live-paths"
 190 ;;   (let* ((p1 (add-text-to-store %store "random-text"
 191 ;;                                 (random-text) '()))
 192 ;;          (b  (add-text-to-store %store "link-builder"
 193 ;;                                 (format #f "echo ~a > $out" p1)
 194 ;;                                 '()))
 195 ;;          (d1 (derivation %store "link"
 196 ;;                          "/bin/sh" `("-e" ,b)
 197 ;;                          #:inputs `((,b) (,p1))))
 198 ;;          (p2 (derivation->output-path d1)))
 199 ;;     (and (add-temp-root %store p2)
 200 ;;          (build-derivations %store (list d1))
 201 ;;          (valid-path? %store p1)
 202 ;;          (member (pk p2) (live-paths %store)))))
 203
 204 (test-assert "add-indirect-root and find-roots"
 205   (call-with-temporary-directory
 206    (lambda (directory)
 207      (let* ((item (add-text-to-store %store "something" (random-text)))
 208             (root (string-append directory "/gc-root")))
 209        (symlink item root)
 210        (add-indirect-root %store root)
 211        (let ((result (member (cons root item) (find-roots %store))))
 212          (delete-file root)
 213          result)))))
 214
 215 (test-assert "permanent root"
 216   (let* ((p  (with-store store
 217                (let ((p (add-text-to-store store "random-text"
 218                                            (random-text))))
 219                  (add-permanent-root p)
 220                  (add-permanent-root p)           ; should not throw
 221                  p))))
 222     (and (member p (live-paths %store))
 223          (begin
 224            (remove-permanent-root p)
 225            (->bool (member p (dead-paths %store)))))))
 226
 227 (test-assert "dead path can be explicitly collected"
 228   (let ((p (add-text-to-store %store "random-text"
 229                               (random-text) '())))
 230     (let-values (((paths freed) (delete-paths %store (list p))))
 231       (and (equal? paths (list p))
 232            ;; XXX: On some file systems (notably Btrfs), freed
 233            ;; may return 0.  See <https://bugs.gnu.org/29363>.
 234            ;;(> freed 0)
 235            (not (file-exists? p))))))
 236
 237 (test-assert "add-text-to-store/add-to-store vs. delete-paths"
 238   ;; Before, 'add-text-to-store' and 'add-to-store' would return the same
 239   ;; store item without noticing that it is no longer valid.
 240   (with-store store
 241     (let* ((text    (random-text))
 242            (file    (search-path %load-path "guix.scm"))
 243            (path1   (add-text-to-store store "delete-me" text))
 244            (path2   (add-to-store store "delete-me" #t "sha256" file))
 245            (deleted (delete-paths store (list path1 path2))))
 246       (and (string=? path1 (add-text-to-store store "delete-me" text))
 247            (string=? path2 (add-to-store store "delete-me" #t "sha256" file))
 248            (lset= string=? deleted (list path1 path2))
 249            (valid-path? store path1)
 250            (valid-path? store path2)
 251            (file-exists? path1)
 252            (file-exists? path2)))))
 253
 254 (test-equal "add-file-tree-to-store"
 255   `(42
 256     ("." directory #t)
 257     ("./bar" directory #t)
 258     ("./foo" directory #t)
 259     ("./foo/a" regular "file a")
 260     ("./foo/b" symlink "a")
 261     ("./foo/c" directory #t)
 262     ("./foo/c/p" regular "file p")
 263     ("./foo/c/q" directory #t)
 264     ("./foo/c/q/x" regular
 265      ,(string-append "#!" %shell "\nexit 42"))
 266     ("./foo/c/q/y" symlink "..")
 267     ("./foo/c/q/z" directory #t))
 268   (let* ((tree  `("file-tree" directory
 269                   ("foo" directory
 270                    ("a" regular (data "file a"))
 271                    ("b" symlink "a")
 272                    ("c" directory
 273                     ("p" regular (data ,(string->utf8 "file p")))
 274                     ("q" directory
 275                      ("x" executable
 276                       (data ,(string-append "#!" %shell "\nexit 42")))
 277                      ("y" symlink "..")
 278                      ("z" directory))))
 279                   ("bar" directory)))
 280          (result (add-file-tree-to-store %store tree)))
 281     (cons (status:exit-val (system* (string-append result "/foo/c/q/x")))
 282           (with-directory-excursion result
 283             (map (lambda (file)
 284                    (let ((type (stat:type (lstat file))))
 285                      `(,file ,type
 286                              ,(match type
 287                                 ((or 'regular 'executable)
 288                                  (call-with-input-file file
 289                                    get-string-all))
 290                                 ('symlink (readlink file))
 291                                 ('directory #t)))))
 292                  (find-files "." #:directories? #t))))))
 293
 294 (test-equal "add-file-tree-to-store, flat"
 295   "Hello, world!"
 296   (let* ((tree   `("flat-file" regular (data "Hello, world!")))
 297          (result (add-file-tree-to-store %store tree)))
 298     (and (file-exists? result)
 299          (call-with-input-file result get-string-all))))
 300
 301 (test-assert "references"
 302   (let* ((t1 (add-text-to-store %store "random1"
 303                                 (random-text)))
 304          (t2 (add-text-to-store %store "random2"
 305                                 (random-text) (list t1))))
 306     (and (equal? (list t1) (references %store t2))
 307          (equal? (list t2) (referrers %store t1))
 308          (null? (references %store t1))
 309          (null? (referrers %store t2)))))
 310
 311 (test-assert "references/substitutes missing reference info"
 312   (with-store s
 313     (set-build-options s #:use-substitutes? #f)
 314     (guard (c ((store-protocol-error? c) #t))
 315       (let* ((b  (add-to-store s "bash" #t "sha256"
 316                                (search-bootstrap-binary "bash"
 317                                                         (%current-system))))
 318              (d  (derivation s "the-thing" b '("--help")
 319                              #:inputs `((,b)))))
 320         (references/substitutes s (list (derivation->output-path d) b))
 321         #f))))
 322
 323 (test-assert "references/substitutes with substitute info"
 324   (with-store s
 325     (set-build-options s #:use-substitutes? #t)
 326     (let* ((t1 (add-text-to-store s "random1" (random-text)))
 327            (t2 (add-text-to-store s "random2" (random-text)
 328                                   (list t1)))
 329            (t3 (add-text-to-store s "build" "echo -n $t2 > $out"))
 330            (b  (add-to-store s "bash" #t "sha256"
 331                              (search-bootstrap-binary "bash"
 332                                                       (%current-system))))
 333            (d  (derivation s "the-thing" b `("-e" ,t3)
 334                            #:inputs `((,b) (,t3) (,t2))
 335                            #:env-vars `(("t2" . ,t2))))
 336            (o  (derivation->output-path d)))
 337       (with-derivation-narinfo d
 338         (sha256 => (gcrypt:sha256 (string->utf8 t2)))
 339         (references => (list t2))
 340
 341         (equal? (references/substitutes s (list o t3 t2 t1))
 342                 `((,t2)                           ;refs of O
 343                   ()                              ;refs of T3
 344                   (,t1)                           ;refs of T2
 345                   ()))))))                        ;refs of T1
 346
 347 (test-equal "substitutable-path-info when substitutes are turned off"
 348   '()
 349   (with-store s
 350     (set-build-options s #:use-substitutes? #f)
 351     (let* ((b  (add-to-store s "bash" #t "sha256"
 352                              (search-bootstrap-binary "bash"
 353                                                       (%current-system))))
 354            (d  (derivation s "the-thing" b '("--version")
 355                            #:inputs `((,b))))
 356            (o  (derivation->output-path d)))
 357       (with-derivation-narinfo d
 358         (substitutable-path-info s (list o))))))
 359
 360 (test-equal "substitutable-paths when substitutes are turned off"
 361   '()
 362   (with-store s
 363     (set-build-options s #:use-substitutes? #f)
 364     (let* ((b  (add-to-store s "bash" #t "sha256"
 365                              (search-bootstrap-binary "bash"
 366                                                       (%current-system))))
 367            (d  (derivation s "the-thing" b '("--version")
 368                            #:inputs `((,b))))
 369            (o  (derivation->output-path d)))
 370       (with-derivation-narinfo d
 371         (substitutable-paths s (list o))))))
 372
 373 (test-assert "requisites"
 374   (let* ((t1 (add-text-to-store %store "random1"
 375                                 (random-text) '()))
 376          (t2 (add-text-to-store %store "random2"
 377                                 (random-text) (list t1)))
 378          (t3 (add-text-to-store %store "random3"
 379                                 (random-text) (list t2)))
 380          (t4 (add-text-to-store %store "random4"
 381                                 (random-text) (list t1 t3))))
 382     (define (same? x y)
 383       (and (= (length x) (length y))
 384            (lset= equal? x y)))
 385
 386     (and (same? (requisites %store (list t1)) (list t1))
 387          (same? (requisites %store (list t2)) (list t1 t2))
 388          (same? (requisites %store (list t3)) (list t1 t2 t3))
 389          (same? (requisites %store (list t4)) (list t1 t2 t3 t4))
 390          (same? (requisites %store (list t1 t2 t3 t4))
 391                 (list t1 t2 t3 t4)))))
 392
 393 (test-assert "derivers"
 394   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 395          (s (add-to-store %store "bash" #t "sha256"
 396                           (search-bootstrap-binary "bash"
 397                                                    (%current-system))))
 398          (d (derivation %store "the-thing"
 399                         s `("-e" ,b)
 400                         #:env-vars `(("foo" . ,(random-text)))
 401                         #:inputs `((,b) (,s))))
 402          (o (derivation->output-path d)))
 403     (and (build-derivations %store (list d))
 404          (equal? (query-derivation-outputs %store (derivation-file-name d))
 405                  (list o))
 406          (equal? (valid-derivers %store o)
 407                  (list (derivation-file-name d))))))
 408
 409 (test-equal "with-build-handler"
 410   'success
 411   (let* ((b  (add-text-to-store %store "build" "echo $foo > $out" '()))
 412          (s  (add-to-store %store "bash" #t "sha256"
 413                            (search-bootstrap-binary "bash"
 414                                                     (%current-system))))
 415          (d1 (derivation %store "the-thing"
 416                          s `("-e" ,b)
 417                          #:env-vars `(("foo" . ,(random-text)))
 418                          #:sources (list b s)))
 419          (d2 (derivation %store "the-thing"
 420                          s `("-e" ,b)
 421                          #:env-vars `(("foo" . ,(random-text))
 422                                       ("bar" . "baz"))
 423                          #:sources (list b s)))
 424          (o1 (derivation->output-path d1))
 425          (o2 (derivation->output-path d2)))
 426     (with-build-handler
 427         (let ((counter 0))
 428           (lambda (continue store things mode)
 429             (match things
 430               ((drv)
 431                (set! counter (+ 1 counter))
 432                (if (string=? drv (derivation-file-name d1))
 433                    (continue #t)
 434                    (and (string=? drv (derivation-file-name d2))
 435                         (= counter 2)
 436                         'success))))))
 437       (build-derivations %store (list d1))
 438       (build-derivations %store (list d2))
 439       'fail)))
 440
 441 (test-equal "with-build-handler + with-store"
 442   'success
 443   ;; Check that STORE remains valid when the build handler invokes CONTINUE,
 444   ;; even though 'with-build-handler' is outside the dynamic extent of
 445   ;; 'with-store'.
 446   (with-build-handler (lambda (continue store things mode)
 447                         (match things
 448                           ((drv)
 449                            (and (string-suffix? "thingie.drv" drv)
 450                                 (not (port-closed?
 451                                       (store-connection-socket store)))
 452                                 (continue #t)))))
 453     (with-store store
 454       (let* ((b (add-text-to-store store "build" "echo $foo > $out" '()))
 455              (s (add-to-store store "bash" #t "sha256"
 456                               (search-bootstrap-binary "bash"
 457                                                        (%current-system))))
 458              (d (derivation store "thingie"
 459                             s `("-e" ,b)
 460                             #:env-vars `(("foo" . ,(random-text)))
 461                             #:sources (list b s))))
 462         (build-derivations store (list d))
 463
 464         ;; Here STORE's socket should still be open.
 465         (and (valid-path? store (derivation->output-path d))
 466              'success)))))
 467
 468 (test-assert "map/accumulate-builds"
 469   (let* ((b  (add-text-to-store %store "build" "echo $foo > $out" '()))
 470          (s  (add-to-store %store "bash" #t "sha256"
 471                            (search-bootstrap-binary "bash"
 472                                                     (%current-system))))
 473          (d1 (derivation %store "the-thing"
 474                          s `("-e" ,b)
 475                          #:env-vars `(("foo" . ,(random-text)))
 476                          #:sources (list b s)))
 477          (d2 (derivation %store "the-thing"
 478                          s `("-e" ,b)
 479                          #:env-vars `(("foo" . ,(random-text))
 480                                       ("bar" . "baz"))
 481                          #:sources (list b s))))
 482     (with-build-handler (lambda (continue store things mode)
 483                           (equal? (map derivation-file-name (list d1 d2))
 484                                   things))
 485       (map/accumulate-builds %store
 486                              (lambda (drv)
 487                                (build-derivations %store (list drv))
 488                                (add-to-store %store "content-addressed"
 489                                              #t "sha256"
 490                                              (derivation->output-path drv)))
 491                              (list d1 d2)))))
 492
 493 (test-assert "mapm/accumulate-builds"
 494   (let* ((d1 (run-with-store %store
 495                (gexp->derivation "foo" #~(mkdir #$output))))
 496          (d2 (run-with-store %store
 497                (gexp->derivation "bar" #~(mkdir #$output)))))
 498     (with-build-handler (lambda (continue store things mode)
 499                           (equal? (map derivation-file-name (pk 'zz (list d1 d2)))
 500                                   (pk 'XX things)))
 501       (run-with-store %store
 502         (mapm/accumulate-builds built-derivations `((,d1) (,d2)))))))
 503
 504 (test-equal "mapm/accumulate-builds, %current-target-system"
 505   (make-list 2 '("i586-pc-gnu" "i586-pc-gnu"))
 506   ;; Both the 'mapm' and 'mapm/accumulate-builds' procedures should see the
 507   ;; right #:target.
 508   (run-with-store %store
 509     (mlet %store-monad ((lst1 (mapm %store-monad
 510                                     (lambda _
 511                                       (current-target-system))
 512                                     '(a b)))
 513                         (lst2 (mapm/accumulate-builds
 514                                (lambda _
 515                                  (current-target-system))
 516                                '(a b))))
 517       (return (list lst1 lst2)))
 518     #:system system
 519     #:target "i586-pc-gnu"))
 520
 521 (test-assert "topologically-sorted, one item"
 522   (let* ((a (add-text-to-store %store "a" "a"))
 523          (b (add-text-to-store %store "b" "b" (list a)))
 524          (c (add-text-to-store %store "c" "c" (list b)))
 525          (d (add-text-to-store %store "d" "d" (list c)))
 526          (s (topologically-sorted %store (list d))))
 527     (equal? s (list a b c d))))
 528
 529 (test-assert "topologically-sorted, several items"
 530   (let* ((a  (add-text-to-store %store "a" "a"))
 531          (b  (add-text-to-store %store "b" "b" (list a)))
 532          (c  (add-text-to-store %store "c" "c" (list b)))
 533          (d  (add-text-to-store %store "d" "d" (list c)))
 534          (s1 (topologically-sorted %store (list d a c b)))
 535          (s2 (topologically-sorted %store (list b d c a b d))))
 536     (equal? s1 s2 (list a b c d))))
 537
 538 (test-assert "topologically-sorted, more difficult"
 539   (let* ((a  (add-text-to-store %store "a" "a"))
 540          (b  (add-text-to-store %store "b" "b" (list a)))
 541          (c  (add-text-to-store %store "c" "c" (list b)))
 542          (d  (add-text-to-store %store "d" "d" (list c)))
 543          (w  (add-text-to-store %store "w" "w"))
 544          (x  (add-text-to-store %store "x" "x" (list w)))
 545          (y  (add-text-to-store %store "y" "y" (list x d)))
 546          (s1 (topologically-sorted %store (list y)))
 547          (s2 (topologically-sorted %store (list c y)))
 548          (s3 (topologically-sorted %store (cons y (references %store y)))))
 549     ;; The order in which 'references' returns the references of Y is
 550     ;; unspecified, so accommodate.
 551     (let* ((x-then-d? (equal? (references %store y) (list x d))))
 552       (and (equal? s1
 553                    (if x-then-d?
 554                        (list w x a b c d y)
 555                        (list a b c d w x y)))
 556            (equal? s2
 557                    (if x-then-d?
 558                        (list a b c w x d y)
 559                        (list a b c d w x y)))
 560            (lset= string=? s1 s3)))))
 561
 562 (test-assert "current-build-output-port, UTF-8"
 563   ;; Are UTF-8 strings in the build log properly interpreted?
 564   (string-contains
 565    (with-fluids ((%default-port-encoding "UTF-8")) ;for the string port
 566      (call-with-output-string
 567       (lambda (port)
 568         (parameterize ((current-build-output-port port))
 569           (let* ((s "Here’s a Greek letter: λ.")
 570                  (d (build-expression->derivation
 571                      %store "foo" `(display ,s)
 572                      #:guile-for-build
 573                      (package-derivation s %bootstrap-guile (%current-system)))))
 574             (guard (c ((store-protocol-error? c) #t))
 575               (build-derivations %store (list d))))))))
 576    "Here’s a Greek letter: λ."))
 577
 578 (test-assert "current-build-output-port, UTF-8 + garbage"
 579   ;; What about a mixture of UTF-8 + garbage?
 580   (string-contains
 581    (with-fluids ((%default-port-encoding "UTF-8")) ;for the string port
 582      (call-with-output-string
 583       (lambda (port)
 584         (parameterize ((current-build-output-port port))
 585           (let ((d (build-expression->derivation
 586                     %store "foo"
 587                     `(begin
 588                        (use-modules (rnrs io ports))
 589                        (display "garbage: ")
 590                        (put-bytevector (current-output-port) #vu8(128))
 591                        (display "lambda: λ\n"))
 592                      #:guile-for-build
 593                      (package-derivation %store %bootstrap-guile))))
 594             (guard (c ((store-protocol-error? c) #t))
 595               (build-derivations %store (list d))))))))
 596    "garbage: �lambda: λ"))
 597
 598 (test-assert "log-file, derivation"
 599   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 600          (s (add-to-store %store "bash" #t "sha256"
 601                           (search-bootstrap-binary "bash"
 602                                                    (%current-system))))
 603          (d (derivation %store "the-thing"
 604                         s `("-e" ,b)
 605                         #:env-vars `(("foo" . ,(random-text)))
 606                         #:inputs `((,b) (,s)))))
 607     (and (build-derivations %store (list d))
 608          (file-exists? (pk (log-file %store (derivation-file-name d)))))))
 609
 610 (test-assert "log-file, output file name"
 611   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 612          (s (add-to-store %store "bash" #t "sha256"
 613                           (search-bootstrap-binary "bash"
 614                                                    (%current-system))))
 615          (d (derivation %store "the-thing"
 616                         s `("-e" ,b)
 617                         #:env-vars `(("foo" . ,(random-text)))
 618                         #:inputs `((,b) (,s))))
 619          (o (derivation->output-path d)))
 620     (and (build-derivations %store (list d))
 621          (file-exists? (pk (log-file %store o)))
 622          (string=? (log-file %store (derivation-file-name d))
 623                    (log-file %store o)))))
 624
 625 (test-assert "no substitutes"
 626   (with-store s
 627     (let* ((d1 (package-derivation s %bootstrap-guile (%current-system)))
 628            (d2 (package-derivation s %bootstrap-glibc (%current-system)))
 629            (o  (map derivation->output-path (list d1 d2))))
 630       (set-build-options s #:use-substitutes? #f)
 631       (and (not (has-substitutes? s (derivation-file-name d1)))
 632            (not (has-substitutes? s (derivation-file-name d2)))
 633            (null? (substitutable-paths s o))
 634            (null? (substitutable-path-info s o))))))
 635
 636 (test-assert "build-things with output path"
 637   (with-store s
 638     (let* ((c   (random-text))                    ;contents of the output
 639            (d   (build-expression->derivation
 640                  s "substitute-me"
 641                  `(call-with-output-file %output
 642                     (lambda (p)
 643                       (display ,c p)))
 644                  #:guile-for-build
 645                  (package-derivation s %bootstrap-guile (%current-system))))
 646            (o   (derivation->output-path d)))
 647       (set-build-options s #:use-substitutes? #f)
 648
 649       ;; Pass 'build-things' the output file name, O.  However, since there
 650       ;; are no substitutes for O, it will just do nothing.
 651       (build-things s (list o))
 652       (not (valid-path? s o)))))
 653
 654 (test-skip (if (getenv "GUIX_BINARY_SUBSTITUTE_URL") 0 1))
 655
 656 (test-assert "substitute query"
 657   (with-store s
 658     (let* ((d (package-derivation s %bootstrap-guile (%current-system)))
 659            (o (derivation->output-path d)))
 660       ;; Create fake substituter data, to be read by 'guix substitute'.
 661       (with-derivation-narinfo d
 662         ;; Remove entry from the local cache.
 663         (false-if-exception
 664          (delete-file-recursively (string-append (getenv "XDG_CACHE_HOME")
 665                                                  "/guix/substitute")))
 666
 667         ;; Make sure 'guix substitute' correctly communicates the above
 668         ;; data.
 669         (set-build-options s #:use-substitutes? #t
 670                            #:substitute-urls (%test-substitute-urls))
 671         (and (has-substitutes? s o)
 672              (equal? (list o) (substitutable-paths s (list o)))
 673              (match (pk 'spi (substitutable-path-info s (list o)))
 674                (((? substitutable? s))
 675                 (and (string=? (substitutable-deriver s)
 676                                (derivation-file-name d))
 677                      (null? (substitutable-references s))
 678                      (equal? (substitutable-nar-size s) 1234)))))))))
 679
 680 (test-assert "substitute query, alternating URLs"
 681   (let* ((d (with-store s
 682               (package-derivation s %bootstrap-guile (%current-system))))
 683          (o (derivation->output-path d)))
 684     (with-derivation-narinfo d
 685       ;; Remove entry from the local cache.
 686       (false-if-exception
 687        (delete-file-recursively (string-append (getenv "XDG_CACHE_HOME")
 688                                                "/guix/substitute")))
 689
 690       ;; Note: We reconnect to the daemon to force a new instance of 'guix
 691       ;; substitute' to be used; otherwise the #:substitute-urls of
 692       ;; 'set-build-options' would have no effect.
 693
 694       (and (with-store s                        ;the right substitute URL
 695              (set-build-options s #:use-substitutes? #t
 696                                 #:substitute-urls (%test-substitute-urls))
 697              (has-substitutes? s o))
 698            (with-store s                        ;the wrong one
 699              (set-build-options s #:use-substitutes? #t
 700                                 #:substitute-urls (list
 701                                                    "http://does-not-exist"))
 702              (not (has-substitutes? s o)))
 703            (with-store s                        ;the right one again
 704              (set-build-options s #:use-substitutes? #t
 705                                 #:substitute-urls (%test-substitute-urls))
 706              (has-substitutes? s o))
 707            (with-store s                        ;empty list of URLs
 708              (set-build-options s #:use-substitutes? #t
 709                                 #:substitute-urls '())
 710              (not (has-substitutes? s o)))))))
 711
 712 (test-assert "substitute"
 713   (with-store s
 714     (let* ((c   (random-text))                     ; contents of the output
 715            (d   (build-expression->derivation
 716                  s "substitute-me"
 717                  `(call-with-output-file %output
 718                     (lambda (p)
 719                       (exit 1)                     ; would actually fail
 720                       (display ,c p)))
 721                  #:guile-for-build
 722                  (package-derivation s %bootstrap-guile (%current-system))))
 723            (o   (derivation->output-path d)))
 724       (with-derivation-substitute d c
 725         (set-build-options s #:use-substitutes? #t
 726                            #:substitute-urls (%test-substitute-urls))
 727         (and (has-substitutes? s o)
 728              (build-derivations s (list d))
 729              (canonical-file? o)
 730              (equal? c (call-with-input-file o get-string-all)))))))
 731
 732 (test-assert "substitute, deduplication"
 733   (with-store s
 734     (let* ((c   (random-text))                     ; contents of the output
 735            (g   (package-derivation s %bootstrap-guile))
 736            (d1  (build-expression->derivation s "substitute-me"
 737                                               `(begin ,c (exit 1))
 738                                               #:guile-for-build g))
 739            (d2  (build-expression->derivation s "build-me"
 740                                               `(call-with-output-file %output
 741                                                  (lambda (p)
 742                                                    (display ,c p)))
 743                                               #:guile-for-build g))
 744            (o1  (derivation->output-path d1))
 745            (o2  (derivation->output-path d2)))
 746       (with-derivation-substitute d1 c
 747         (set-build-options s #:use-substitutes? #t
 748                            #:substitute-urls (%test-substitute-urls))
 749         (and (has-substitutes? s o1)
 750              (build-derivations s (list d2))      ;build
 751              (build-derivations s (list d1))      ;substitute
 752              (canonical-file? o1)
 753              (equal? c (call-with-input-file o1 get-string-all))
 754              (= (stat:ino (stat o1)) (stat:ino (stat o2))))))))
 755
 756 (test-assert "substitute + build-things with output path"
 757   (with-store s
 758     (let* ((c   (random-text))                    ;contents of the output
 759            (d   (build-expression->derivation
 760                  s "substitute-me"
 761                  `(call-with-output-file %output
 762                     (lambda (p)
 763                       (exit 1)                    ;would actually fail
 764                       (display ,c p)))
 765                  #:guile-for-build
 766                  (package-derivation s %bootstrap-guile (%current-system))))
 767            (o   (derivation->output-path d)))
 768       (with-derivation-substitute d c
 769         (set-build-options s #:use-substitutes? #t
 770                            #:substitute-urls (%test-substitute-urls))
 771         (and (has-substitutes? s o)
 772              (build-things s (list o))            ;give the output path
 773              (valid-path? s o)
 774              (canonical-file? o)
 775              (equal? c (call-with-input-file o get-string-all)))))))
 776
 777 (test-assert "substitute + build-things with specific output"
 778   (with-store s
 779     (let* ((c   (random-text))                    ;contents of the output
 780            (d   (build-expression->derivation
 781                  s "substitute-me" `(begin ,c (exit 1)) ;would fail
 782                  #:outputs '("out" "one" "two")
 783                  #:guile-for-build
 784                  (package-derivation s %bootstrap-guile (%current-system))))
 785            (o   (derivation->output-path d)))
 786       (with-derivation-substitute d c
 787         (set-build-options s #:use-substitutes? #t
 788                            #:substitute-urls (%test-substitute-urls))
 789         (and (has-substitutes? s o)
 790
 791              ;; Ask for nothing but the "out" output of D.
 792              (build-things s `((,(derivation-file-name d) . "out")))
 793
 794              (valid-path? s o)
 795              (canonical-file? o)
 796              (equal? c (call-with-input-file o get-string-all)))))))
 797
 798 (test-assert "substitute, corrupt output hash"
 799   ;; Tweak the substituter into installing a substitute whose hash doesn't
 800   ;; match the one announced in the narinfo.  The daemon must notice this and
 801   ;; raise an error.
 802   (with-store s
 803     (let* ((c   "hello, world")                    ; contents of the output
 804            (d   (build-expression->derivation
 805                  s "corrupt-substitute"
 806                  `(mkdir %output)
 807                  #:guile-for-build
 808                  (package-derivation s %bootstrap-guile (%current-system))))
 809            (o   (derivation->output-path d)))
 810       (with-derivation-substitute d c
 811         (sha256 => (make-bytevector 32 0)) ;select a hash that doesn't match C
 812
 813         ;; Make sure we use 'guix substitute'.
 814         (set-build-options s
 815                            #:use-substitutes? #t
 816                            #:fallback? #f
 817                            #:substitute-urls (%test-substitute-urls))
 818         (and (has-substitutes? s o)
 819              (guard (c ((store-protocol-error? c)
 820                         ;; XXX: the daemon writes "hash mismatch in downloaded
 821                         ;; path", but the actual error returned to the client
 822                         ;; doesn't mention that.
 823                         (pk 'corrupt c)
 824                         (not (zero? (store-protocol-error-status c)))))
 825                (build-derivations s (list d))
 826                #f))))))
 827
 828 (test-assert "substitute, corrupt output hash, build trace"
 829   ;; Likewise, and check the build trace.
 830   (with-store s
 831     (let* ((c   "hello, world")                   ; contents of the output
 832            (d   (build-expression->derivation
 833                  s "corrupt-substitute"
 834                  `(mkdir %output)
 835                  #:guile-for-build
 836                  (package-derivation s %bootstrap-guile (%current-system))))
 837            (o   (derivation->output-path d)))
 838       ;; Make sure we use 'guix substitute'.
 839       (set-build-options s
 840                          #:print-build-trace #t
 841                          #:use-substitutes? #t
 842                          #:fallback? #f
 843                          #:substitute-urls (%test-substitute-urls))
 844
 845       (with-derivation-substitute d c
 846         (sha256 => (make-bytevector 32 0)) ;select a hash that doesn't match C
 847
 848         (define output
 849           (call-with-output-string
 850             (lambda (port)
 851               (parameterize ((current-build-output-port port))
 852                 (guard (c ((store-protocol-error? c) #t))
 853                   (build-derivations s (list d))
 854                   #f)))))
 855
 856         (define actual-hash
 857           (let-values (((port get-hash)
 858                         (gcrypt:open-hash-port
 859                          (gcrypt:hash-algorithm gcrypt:sha256))))
 860             (write-file-tree "foo" port
 861                              #:file-type+size
 862                              (lambda _
 863                                (values 'regular (string-length c)))
 864                              #:file-port
 865                              (lambda _
 866                                (open-input-string c)))
 867             (close-port port)
 868             (bytevector->nix-base32-string (get-hash))))
 869
 870         (define expected-hash
 871           (bytevector->nix-base32-string (make-bytevector 32 0)))
 872
 873         (define mismatch
 874           (string-append "@ hash-mismatch " o " sha256 "
 875                          expected-hash " " actual-hash "\n"))
 876
 877         (define failure
 878           (string-append "@ substituter-failed " o))
 879
 880         (and (string-contains output mismatch)
 881              (string-contains output failure))))))
 882
 883 (test-assert "substitute --fallback"
 884   (with-store s
 885     (let* ((t   (random-text))                    ; contents of the output
 886            (d   (build-expression->derivation
 887                  s "substitute-me-not"
 888                  `(call-with-output-file %output
 889                     (lambda (p)
 890                       (display ,t p)))
 891                  #:guile-for-build
 892                  (package-derivation s %bootstrap-guile (%current-system))))
 893            (o   (derivation->output-path d)))
 894       ;; Create fake substituter data, to be read by 'guix substitute'.
 895       (with-derivation-narinfo d
 896         ;; Make sure we use 'guix substitute'.
 897         (set-build-options s #:use-substitutes? #t
 898                            #:substitute-urls (%test-substitute-urls))
 899         (and (has-substitutes? s o)
 900              (guard (c ((store-protocol-error? c)
 901                         ;; The substituter failed as expected.  Now make
 902                         ;; sure that #:fallback? #t works correctly.
 903                         (set-build-options s
 904                                            #:use-substitutes? #t
 905                                            #:substitute-urls
 906                                              (%test-substitute-urls)
 907                                            #:fallback? #t)
 908                         (and (build-derivations s (list d))
 909                              (equal? t (call-with-input-file o
 910                                          get-string-all)))))
 911                ;; Should fail.
 912                (build-derivations s (list d))
 913                #f))))))
 914
 915 (test-assert "export/import several paths"
 916   (let* ((texts (unfold (cut >= <> 10)
 917                         (lambda _ (random-text))
 918                         1+
 919                         0))
 920          (files (map (cut add-text-to-store %store "text" <>) texts))
 921          (dump  (call-with-bytevector-output-port
 922                  (cut export-paths %store files <>))))
 923     (delete-paths %store files)
 924     (and (every (negate file-exists?) files)
 925          (let* ((source   (open-bytevector-input-port dump))
 926                 (imported (import-paths %store source)))
 927            (and (equal? imported files)
 928                 (every file-exists? files)
 929                 (equal? texts
 930                         (map (lambda (file)
 931                                (call-with-input-file file
 932                                  get-string-all))
 933                              files)))))))
 934
 935 (test-assert "export/import paths, ensure topological order"
 936   (let* ((file0 (add-text-to-store %store "baz" (random-text)))
 937          (file1 (add-text-to-store %store "foo" (random-text)
 938                                    (list file0)))
 939          (file2 (add-text-to-store %store "bar" (random-text)
 940                                    (list file1)))
 941          (files (list file1 file2))
 942          (dump1 (call-with-bytevector-output-port
 943                  (cute export-paths %store (list file1 file2) <>)))
 944          (dump2 (call-with-bytevector-output-port
 945                  (cute export-paths %store (list file2 file1) <>))))
 946     (delete-paths %store files)
 947     (and (every (negate file-exists?) files)
 948          (bytevector=? dump1 dump2)
 949          (let* ((source   (open-bytevector-input-port dump1))
 950                 (imported (import-paths %store source)))
 951            ;; DUMP1 should contain exactly FILE1 and FILE2, not FILE0.
 952            (and (equal? imported (list file1 file2))
 953                 (every file-exists? files)
 954                 (equal? (list file0) (references %store file1))
 955                 (equal? (list file1) (references %store file2)))))))
 956
 957 (test-assert "export/import incomplete"
 958   (let* ((file0 (add-text-to-store %store "baz" (random-text)))
 959          (file1 (add-text-to-store %store "foo" (random-text)
 960                                    (list file0)))
 961          (file2 (add-text-to-store %store "bar" (random-text)
 962                                    (list file1)))
 963          (dump  (call-with-bytevector-output-port
 964                  (cute export-paths %store (list file2) <>))))
 965     (delete-paths %store (list file0 file1 file2))
 966     (guard (c ((store-protocol-error? c)
 967                (and (not (zero? (store-protocol-error-status c)))
 968                     (string-contains (store-protocol-error-message c)
 969                                      "not valid"))))
 970       ;; Here we get an exception because DUMP does not include FILE0 and
 971       ;; FILE1, which are dependencies of FILE2.
 972       (import-paths %store (open-bytevector-input-port dump)))))
 973
 974 (test-assert "export/import recursive"
 975   (let* ((file0 (add-text-to-store %store "baz" (random-text)))
 976          (file1 (add-text-to-store %store "foo" (random-text)
 977                                    (list file0)))
 978          (file2 (add-text-to-store %store "bar" (random-text)
 979                                    (list file1)))
 980          (dump  (call-with-bytevector-output-port
 981                  (cute export-paths %store (list file2) <>
 982                        #:recursive? #t))))
 983     (delete-paths %store (list file0 file1 file2))
 984     (let ((imported (import-paths %store (open-bytevector-input-port dump))))
 985       (and (equal? imported (list file0 file1 file2))
 986            (every file-exists? (list file0 file1 file2))
 987            (equal? (list file0) (references %store file1))
 988            (equal? (list file1) (references %store file2))))))
 989
 990 (test-assert "write-file & export-path yield the same result"
 991   ;; Here we compare 'write-file' and the daemon's own implementation.
 992   ;; 'write-file' is the reference because we know it sorts file
 993   ;; deterministically.  Conversely, the daemon uses 'readdir' and the entries
 994   ;; currently happen to be sorted as a side-effect of some unrelated
 995   ;; operation (search for 'unhacked' in archive.cc.)  Make sure we detect any
 996   ;; changes there.
 997   (run-with-store %store
 998     (mlet* %store-monad ((drv1 (package->derivation %bootstrap-guile))
 999                          (out1 -> (derivation->output-path drv1))
1000                          (data -> (unfold (cut >= <> 26)
1001                                           (lambda (i)
1002                                             (random-bytevector 128))
1003                                           1+ 0))
1004                          (build
1005                           -> #~(begin
1006                                  (use-modules (rnrs io ports) (srfi srfi-1))
1007                                  (let ()
1008                                    (define letters
1009                                      (map (lambda (i)
1010                                             (string
1011                                              (integer->char
1012                                               (+ i (char->integer #\a)))))
1013                                           (iota 26)))
1014                                    (define (touch file data)
1015                                      (call-with-output-file file
1016                                        (lambda (port)
1017                                          (put-bytevector port data))))
1018
1019                                    (mkdir #$output)
1020                                    (chdir #$output)
1021
1022                                    ;; The files must be different so they have
1023                                    ;; different inode numbers, and the inode
1024                                    ;; order must differ from the lexicographic
1025                                    ;; order.
1026                                    (for-each touch
1027                                              (append (drop letters 10)
1028                                                      (take letters 10))
1029                                              (list #$@data))
1030                                    #t)))
1031                          (drv2 (gexp->derivation "bunch" build))
1032                          (out2 -> (derivation->output-path drv2))
1033                          (item-info -> (store-lift query-path-info)))
1034       (mbegin %store-monad
1035         (built-derivations (list drv1 drv2))
1036         (foldm %store-monad
1037                (lambda (item result)
1038                  (define ref-hash
1039                    (let-values (((port get) (gcrypt:open-sha256-port)))
1040                      (write-file item port)
1041                      (close-port port)
1042                      (get)))
1043
1044                  ;; 'query-path-info' returns a hash produced by using the
1045                  ;; daemon's C++ 'dump' function, which is the implementation
1046                  ;; under test.
1047                  (>>= (item-info item)
1048                       (lambda (info)
1049                         (return
1050                          (and result
1051                               (bytevector=? (path-info-hash info) ref-hash))))))
1052                #t
1053                (list out1 out2))))
1054     #:guile-for-build (%guile-for-build)))
1055
1056
1057 (test-assert "import not signed"
1058   (let* ((text (random-text))
1059          (file (add-file-tree-to-store %store
1060                                        `("tree" directory
1061                                          ("text" regular (data ,text))
1062                                          ("link" symlink "text"))))
1063          (dump (call-with-bytevector-output-port
1064                 (lambda (port)
1065                   (write-int 1 port)              ;start
1066
1067                   (write-file file port)          ;contents
1068                   (write-int #x4558494e port)     ;%export-magic
1069                   (write-string file port)        ;store item
1070                   (write-string-list '() port)    ;references
1071                   (write-string "" port)          ;deriver
1072                   (write-int 0 port)              ;not signed
1073
1074                   (write-int 0 port)))))          ;done
1075
1076     ;; Ensure 'import-paths' raises an exception.
1077     (guard (c ((store-protocol-error? c)
1078                (and (not (zero? (store-protocol-error-status c)))
1079                     (string-contains (store-protocol-error-message c)
1080                                      "lacks a signature"))))
1081       (let* ((source   (open-bytevector-input-port dump))
1082              (imported (import-paths %store source)))
1083         (pk 'unsigned-imported imported)
1084         #f))))
1085
1086 (test-assert "import signed by unauthorized key"
1087   (let* ((text (random-text))
1088          (file (add-file-tree-to-store %store
1089                                        `("tree" directory
1090                                          ("text" regular (data ,text))
1091                                          ("link" symlink "text"))))
1092          (key  (gcrypt:generate-key
1093                 (gcrypt:string->canonical-sexp
1094                  "(genkey (ecdsa (curve Ed25519) (flags rfc6979)))")))
1095          (dump (call-with-bytevector-output-port
1096                 (lambda (port)
1097                   (write-int 1 port)              ;start
1098
1099                   (write-file file port)          ;contents
1100                   (write-int #x4558494e port)     ;%export-magic
1101                   (write-string file port)        ;store item
1102                   (write-string-list '() port)    ;references
1103                   (write-string "" port)          ;deriver
1104                   (write-int 1 port)              ;signed
1105                   (write-string (gcrypt:canonical-sexp->string
1106                                  (signature-sexp
1107                                   (gcrypt:bytevector->hash-data
1108                                    (gcrypt:sha256 #vu8(0 1 2))
1109                                    #:key-type 'ecc)
1110                                   (gcrypt:find-sexp-token key 'private-key)
1111                                   (gcrypt:find-sexp-token key 'public-key)))
1112                                 port)
1113
1114                   (write-int 0 port)))))          ;done
1115
1116     ;; Ensure 'import-paths' raises an exception.
1117     (guard (c ((store-protocol-error? c)
1118                (and (not (zero? (store-protocol-error-status c)))
1119                     (string-contains (store-protocol-error-message c)
1120                                      "unauthorized public key"))))
1121       (let* ((source   (open-bytevector-input-port dump))
1122              (imported (import-paths %store source)))
1123         (pk 'unauthorized-imported imported)
1124         #f))))
1125
1126 (test-assert "import corrupt path"
1127   (let* ((text (random-text))
1128          (file (add-text-to-store %store "text" text))
1129          (dump (call-with-bytevector-output-port
1130                 (cut export-paths %store (list file) <>))))
1131     (delete-paths %store (list file))
1132
1133     ;; Flip a bit in the stream's payload.  INDEX here falls in the middle of
1134     ;; the file contents in DUMP, regardless of the store prefix.
1135     (let* ((index #x70)
1136            (byte  (bytevector-u8-ref dump index)))
1137       (bytevector-u8-set! dump index (logxor #xff byte)))
1138
1139     (and (not (file-exists? file))
1140          (guard (c ((store-protocol-error? c)
1141                     (pk 'c c)
1142                     (and (not (zero? (store-protocol-error-status c)))
1143                          (string-contains (store-protocol-error-message c)
1144                                           "corrupt"))))
1145            (let* ((source   (open-bytevector-input-port dump))
1146                   (imported (import-paths %store source)))
1147              (pk 'corrupt-imported imported)
1148              #f)))))
1149
1150 (test-assert "verify-store"
1151   (let* ((text  (random-text))
1152          (file1 (add-text-to-store %store "foo" text))
1153          (file2 (add-text-to-store %store "bar" (random-text)
1154                                    (list file1))))
1155     (and (pk 'verify1 (verify-store %store))    ;hopefully OK ;
1156          (begin
1157            (delete-file file1)
1158            (not (pk 'verify2 (verify-store %store)))) ;bad! ;
1159          (begin
1160            ;; Using 'add-text-to-store' here wouldn't work: It would succeed ;
1161            ;; without actually creating the file. ;
1162            (call-with-output-file file1
1163              (lambda (port)
1164                (display text port)))
1165            (pk 'verify3 (verify-store %store)))))) ;OK again
1166
1167 (test-assert "verify-store + check-contents"
1168   ;; XXX: This test is I/O intensive.
1169   (with-store s
1170     (let* ((text (random-text))
1171            (drv  (build-expression->derivation
1172                   s "corrupt"
1173                   `(let ((out (assoc-ref %outputs "out")))
1174                      (call-with-output-file out
1175                        (lambda (port)
1176                          (display ,text port)))
1177                      #t)
1178                   #:guile-for-build
1179                   (package-derivation s %bootstrap-guile (%current-system))))
1180            (file (derivation->output-path drv)))
1181       (with-derivation-substitute drv text
1182         (and (build-derivations s (list drv))
1183              (verify-store s #:check-contents? #t) ;should be OK
1184              (begin
1185                (chmod file #o644)
1186                (call-with-output-file file
1187                  (lambda (port)
1188                    (display "corrupt!" port)))
1189                #t)
1190
1191              ;; Make sure the corruption is detected.  We don't test repairing
1192              ;; because only "trusted" users are allowed to do it, but we
1193              ;; don't expose that notion of trusted users that nix-daemon
1194              ;; supports because it seems dubious and redundant with what the
1195              ;; OS provides (in Nix "trusted" users have additional
1196              ;; privileges, such as overriding the set of substitute URLs, but
1197              ;; we instead want to allow anyone to modify them, provided
1198              ;; substitutes are signed by a root-approved key.)
1199              (not (verify-store s #:check-contents? #t))
1200
1201              ;; Delete the corrupt item to leave the store in a clean state.
1202              (delete-paths s (list file)))))))
1203
1204 (test-assert "build-things, check mode"
1205   (with-store store
1206     (call-with-temporary-output-file
1207      (lambda (entropy entropy-port)
1208        (write (random-text) entropy-port)
1209        (force-output entropy-port)
1210        (let* ((drv  (build-expression->derivation
1211                      store "non-deterministic"
1212                      `(begin
1213                         (use-modules (rnrs io ports))
1214                         (let ((out (assoc-ref %outputs "out")))
1215                           (call-with-output-file out
1216                             (lambda (port)
1217                               ;; Rely on the fact that tests do not use the
1218                               ;; chroot, and thus ENTROPY is readable.
1219                               (display (call-with-input-file ,entropy
1220                                          get-string-all)
1221                                        port)))
1222                           #t))
1223                      #:guile-for-build
1224                      (package-derivation store %bootstrap-guile (%current-system))))
1225               (file (derivation->output-path drv)))
1226          (and (build-things store (list (derivation-file-name drv)))
1227               (begin
1228                 (write (random-text) entropy-port)
1229                 (force-output entropy-port)
1230                 (guard (c ((store-protocol-error? c)
1231                            (pk 'determinism-exception c)
1232                            (and (not (zero? (store-protocol-error-status c)))
1233                                 (string-contains (store-protocol-error-message c)
1234                                                  "deterministic"))))
1235                   ;; This one will produce a different result.  Since we're in
1236                   ;; 'check' mode, this must fail.
1237                   (build-things store (list (derivation-file-name drv))
1238                                 (build-mode check))
1239                   #f))))))))
1240
1241 (test-assert "build-succeeded trace in check mode"
1242   (string-contains
1243    (call-with-output-string
1244      (lambda (port)
1245        (let ((d (build-expression->derivation
1246                  %store "foo" '(mkdir (assoc-ref %outputs "out"))
1247                  #:guile-for-build
1248                  (package-derivation %store %bootstrap-guile))))
1249          (build-derivations %store (list d))
1250          (parameterize ((current-build-output-port port))
1251            (build-derivations %store (list d) (build-mode check))))))
1252    "@ build-succeeded"))
1253
1254 (test-assert "build multiple times"
1255   (with-store store
1256     ;; Ask to build twice.
1257     (set-build-options store #:rounds 2 #:use-substitutes? #f)
1258
1259     (call-with-temporary-output-file
1260      (lambda (entropy entropy-port)
1261        (write (random-text) entropy-port)
1262        (force-output entropy-port)
1263        (let* ((drv  (build-expression->derivation
1264                      store "non-deterministic"
1265                      `(begin
1266                         (use-modules (rnrs io ports))
1267                         (let ((out (assoc-ref %outputs "out")))
1268                           (call-with-output-file out
1269                             (lambda (port)
1270                               ;; Rely on the fact that tests do not use the
1271                               ;; chroot, and thus ENTROPY is accessible.
1272                               (display (call-with-input-file ,entropy
1273                                          get-string-all)
1274                                        port)
1275                               (call-with-output-file ,entropy
1276                                 (lambda (port)
1277                                   (write 'foobar port)))))
1278                           #t))
1279                      #:guile-for-build
1280                      (package-derivation store %bootstrap-guile (%current-system))))
1281               (file (derivation->output-path drv)))
1282          (guard (c ((store-protocol-error? c)
1283                     (pk 'multiple-build c)
1284                     (and (not (zero? (store-protocol-error-status c)))
1285                          (string-contains (store-protocol-error-message c)
1286                                           "deterministic"))))
1287            ;; This one will produce a different result on the second run.
1288            (current-build-output-port (current-error-port))
1289            (build-things store (list (derivation-file-name drv)))
1290            #f))))))
1291
1292 (test-equal "store-lower"
1293   "Lowered."
1294   (let* ((add  (store-lower text-file))
1295          (file (add %store "foo" "Lowered.")))
1296     (call-with-input-file file get-string-all)))
1297
1298 (test-equal "current-system"
1299   "bar"
1300   (parameterize ((%current-system "frob"))
1301     (run-with-store %store
1302       (mbegin %store-monad
1303         (set-current-system "bar")
1304         (current-system))
1305       #:system "foo")))
1306
1307 (test-assert "query-path-info"
1308   (let* ((ref (add-text-to-store %store "ref" "foo"))
1309          (item (add-text-to-store %store "item" "bar" (list ref)))
1310          (info (query-path-info %store item)))
1311     (and (equal? (path-info-references info) (list ref))
1312          (equal? (path-info-hash info)
1313                  (gcrypt:sha256
1314                   (string->utf8
1315                    (call-with-output-string (cut write-file item <>))))))))
1316
1317 (test-assert "path-info-deriver"
1318   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
1319          (s (add-to-store %store "bash" #t "sha256"
1320                           (search-bootstrap-binary "bash"
1321                                                    (%current-system))))
1322          (d (derivation %store "the-thing"
1323                         s `("-e" ,b)
1324                         #:env-vars `(("foo" . ,(random-text)))
1325                         #:inputs `((,b) (,s))))
1326          (o (derivation->output-path d)))
1327     (and (build-derivations %store (list d))
1328          (not (path-info-deriver (query-path-info %store b)))
1329          (string=? (derivation-file-name d)
1330                    (path-info-deriver (query-path-info %store o))))))
1331
1332 (test-equal "build-cores"
1333   (list 0 42)
1334   (with-store store
1335     (let* ((build  (add-text-to-store store "build.sh"
1336                                       "echo $NIX_BUILD_CORES > $out"))
1337            (bash   (add-to-store store "bash" #t "sha256"
1338                                  (search-bootstrap-binary "bash"
1339                                                           (%current-system))))
1340            (drv1   (derivation store "the-thing" bash
1341                                `("-e" ,build)
1342                                #:inputs `((,bash) (,build))
1343                                #:env-vars `(("x" . ,(random-text)))))
1344            (drv2   (derivation store "the-thing" bash
1345                                `("-e" ,build)
1346                                #:inputs `((,bash) (,build))
1347                                #:env-vars `(("x" . ,(random-text))))))
1348       (and (build-derivations store (list drv1))
1349            (begin
1350              (set-build-options store #:build-cores 42)
1351              (build-derivations store (list drv2)))
1352            (list (call-with-input-file (derivation->output-path drv1)
1353                    read)
1354                  (call-with-input-file (derivation->output-path drv2)
1355                    read))))))
1356
1357 (test-equal "multiplexed-build-output"
1358   '("Hello from first." "Hello from second.")
1359   (with-store store
1360     (let* ((build  (add-text-to-store store "build.sh"
1361                                       "echo Hello from $NAME.; echo > $out"))
1362            (bash   (add-to-store store "bash" #t "sha256"
1363                                  (search-bootstrap-binary "bash"
1364                                                           (%current-system))))
1365            (drv1   (derivation store "one" bash
1366                                `("-e" ,build)
1367                                #:inputs `((,bash) (,build))
1368                                #:env-vars `(("NAME" . "first")
1369                                             ("x" . ,(random-text)))))
1370            (drv2   (derivation store "two" bash
1371                                `("-e" ,build)
1372                                #:inputs `((,bash) (,build))
1373                                #:env-vars `(("NAME" . "second")
1374                                             ("x" . ,(random-text))))))
1375       (set-build-options store
1376                          #:print-build-trace #t
1377                          #:multiplexed-build-output? #t
1378                          #:max-build-jobs 10)
1379       (let ((port (open-output-string)))
1380         ;; Send the build log to PORT.
1381         (parameterize ((current-build-output-port port))
1382           (build-derivations store (list drv1 drv2)))
1383
1384         ;; Retrieve the build log; make sure it contains valid "@ build-log"
1385         ;; traces that allow us to retrieve each builder's output (we assume
1386         ;; there's exactly one "build-output" trace for each builder, which is
1387         ;; reasonable.)
1388         (let* ((log     (get-output-string port))
1389                (started (fold-matches
1390                          (make-regexp "@ build-started ([^ ]+) - ([^ ]+) ([^ ]+) ([0-9]+)")
1391                          log '() cons))
1392                (done    (fold-matches
1393                          (make-regexp "@ build-succeeded (.*) - (.*) (.*) (.*)")
1394                          log '() cons))
1395                (output  (fold-matches
1396                          (make-regexp "@ build-log ([[:digit:]]+) ([[:digit:]]+)\n([A-Za-z .*]+)\n")
1397                          log '() cons))
1398                (drv-pid (lambda (name)
1399                           (lambda (m)
1400                             (let ((drv (match:substring m 1))
1401                                   (pid (string->number
1402                                         (match:substring m 4))))
1403                               (and (string-suffix? name drv) pid)))))
1404                (pid-log (lambda (pid)
1405                           (lambda (m)
1406                             (let ((n   (string->number
1407                                         (match:substring m 1)))
1408                                   (len (string->number
1409                                         (match:substring m 2)))
1410                                   (str (match:substring m 3)))
1411                               (and (= pid n)
1412                                    (= (string-length str) (- len 1))
1413                                    str)))))
1414                (pid1    (any (drv-pid "one.drv") started))
1415                (pid2    (any (drv-pid "two.drv") started)))
1416           (list (any (pid-log pid1) output)
1417                 (any (pid-log pid2) output)))))))
1418
1419 (test-end "store")