tests/store.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 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 store)
  22   #:use-module (guix utils)
  23   #:use-module (guix monads)
  24   #:use-module (guix hash)
  25   #:use-module (guix base32)
  26   #:use-module (guix packages)
  27   #:use-module (guix derivations)
  28   #:use-module (guix serialization)
  29   #:use-module (guix build utils)
  30   #:use-module (guix gexp)
  31   #:use-module (gnu packages)
  32   #:use-module (gnu packages bootstrap)
  33   #:use-module (ice-9 match)
  34   #:use-module (rnrs bytevectors)
  35   #:use-module (rnrs io ports)
  36   #:use-module (web uri)
  37   #:use-module (srfi srfi-1)
  38   #:use-module (srfi srfi-11)
  39   #:use-module (srfi srfi-26)
  40   #:use-module (srfi srfi-34)
  41   #:use-module (srfi srfi-64))
  42
  43 ;; Test the (guix store) module.
  44
  45 (define %store
  46   (open-connection-for-tests))
  47
  48 \f
  49 (test-begin "store")
  50
  51 (test-assert "open-connection with file:// URI"
  52   (let ((store (open-connection (string-append "file://"
  53                                                (%daemon-socket-uri)))))
  54     (and (add-text-to-store store "foo" "bar")
  55          (begin
  56            (close-connection store)
  57            #t))))
  58
  59 (test-equal "connection handshake error"
  60   EPROTO
  61   (let ((port (%make-void-port "rw")))
  62     (guard (c ((nix-connection-error? c)
  63                (and (eq? port (nix-connection-error-file c))
  64                     (nix-connection-error-code c))))
  65       (open-connection #f #:port port)
  66       'broken)))
  67
  68 (test-equal "store-path-hash-part"
  69   "283gqy39v3g9dxjy26rynl0zls82fmcg"
  70   (store-path-hash-part
  71    (string-append (%store-prefix)
  72                   "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
  73
  74 (test-equal "store-path-hash-part #f"
  75   #f
  76   (store-path-hash-part
  77    (string-append (%store-prefix)
  78                   "/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
  79
  80 (test-equal "store-path-package-name"
  81   "guile-2.0.7"
  82   (store-path-package-name
  83    (string-append (%store-prefix)
  84                   "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))
  85
  86 (test-equal "store-path-package-name #f"
  87   #f
  88   (store-path-package-name
  89    "/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
  90
  91 (test-assert "direct-store-path?"
  92   (and (direct-store-path?
  93         (string-append (%store-prefix)
  94                        "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
  95        (not (direct-store-path?
  96              (string-append
  97               (%store-prefix)
  98               "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7/bin/guile")))
  99        (not (direct-store-path? (%store-prefix)))))
 100
 101 (test-skip (if %store 0 13))
 102
 103 (test-equal "add-data-to-store"
 104   #vu8(1 2 3 4 5)
 105   (call-with-input-file (add-data-to-store %store "data" #vu8(1 2 3 4 5))
 106     get-bytevector-all))
 107
 108 (test-assert "valid-path? live"
 109   (let ((p (add-text-to-store %store "hello" "hello, world")))
 110     (valid-path? %store p)))
 111
 112 (test-assert "valid-path? false"
 113   (not (valid-path? %store
 114                     (string-append (%store-prefix) "/"
 115                                    (make-string 32 #\e) "-foobar"))))
 116
 117 (test-assert "valid-path? error"
 118   (with-store s
 119     (guard (c ((nix-protocol-error? c) #t))
 120       (valid-path? s "foo")
 121       #f)))
 122
 123 (test-assert "valid-path? recovery"
 124   ;; Prior to Nix commit 51800e0 (18 Mar. 2014), the daemon would immediately
 125   ;; close the connection after receiving a 'valid-path?' RPC with a non-store
 126   ;; file name.  See
 127   ;; <http://article.gmane.org/gmane.linux.distributions.nixos/12411> for
 128   ;; details.
 129   (with-store s
 130     (let-syntax ((true-if-error (syntax-rules ()
 131                                   ((_ exp)
 132                                    (guard (c ((nix-protocol-error? c) #t))
 133                                      exp #f)))))
 134       (and (true-if-error (valid-path? s "foo"))
 135            (true-if-error (valid-path? s "bar"))
 136            (true-if-error (valid-path? s "baz"))
 137            (true-if-error (valid-path? s "chbouib"))
 138            (valid-path? s (add-text-to-store s "valid" "yeah"))))))
 139
 140 (test-assert "hash-part->path"
 141   (let ((p (add-text-to-store %store "hello" "hello, world")))
 142     (equal? (hash-part->path %store (store-path-hash-part p))
 143             p)))
 144
 145 (test-assert "dead-paths"
 146   (let ((p (add-text-to-store %store "random-text" (random-text))))
 147     (->bool (member p (dead-paths %store)))))
 148
 149 ;; FIXME: Find a test for `live-paths'.
 150 ;;
 151 ;; (test-assert "temporary root is in live-paths"
 152 ;;   (let* ((p1 (add-text-to-store %store "random-text"
 153 ;;                                 (random-text) '()))
 154 ;;          (b  (add-text-to-store %store "link-builder"
 155 ;;                                 (format #f "echo ~a > $out" p1)
 156 ;;                                 '()))
 157 ;;          (d1 (derivation %store "link"
 158 ;;                          "/bin/sh" `("-e" ,b)
 159 ;;                          #:inputs `((,b) (,p1))))
 160 ;;          (p2 (derivation->output-path d1)))
 161 ;;     (and (add-temp-root %store p2)
 162 ;;          (build-derivations %store (list d1))
 163 ;;          (valid-path? %store p1)
 164 ;;          (member (pk p2) (live-paths %store)))))
 165
 166 (test-assert "permanent root"
 167   (let* ((p  (with-store store
 168                (let ((p (add-text-to-store store "random-text"
 169                                            (random-text))))
 170                  (add-permanent-root p)
 171                  (add-permanent-root p)           ; should not throw
 172                  p))))
 173     (and (member p (live-paths %store))
 174          (begin
 175            (remove-permanent-root p)
 176            (->bool (member p (dead-paths %store)))))))
 177
 178 (test-assert "dead path can be explicitly collected"
 179   (let ((p (add-text-to-store %store "random-text"
 180                               (random-text) '())))
 181     (let-values (((paths freed) (delete-paths %store (list p))))
 182       (and (equal? paths (list p))
 183            ;; XXX: On some file systems (notably Btrfs), freed
 184            ;; may return 0.  See <https://bugs.gnu.org/29363>.
 185            ;;(> freed 0)
 186            (not (file-exists? p))))))
 187
 188 (test-assert "add-text-to-store vs. delete-paths"
 189   ;; Before, 'add-text-to-store' would return PATH2 without noticing that it
 190   ;; is no longer valid.
 191   (with-store store
 192     (let* ((text    (random-text))
 193            (path    (add-text-to-store store "delete-me" text))
 194            (deleted (delete-paths store (list path)))
 195            (path2   (add-text-to-store store "delete-me" text)))
 196       (and (string=? path path2)
 197            (equal? deleted (list path))
 198            (valid-path? store path)
 199            (file-exists? path)))))
 200
 201 (test-assert "add-to-store vs. delete-paths"
 202   ;; Same as above.
 203   (with-store store
 204     (let* ((file    (search-path %load-path "guix.scm"))
 205            (path    (add-to-store store "delete-me" #t "sha256" file))
 206            (deleted (delete-paths store (list path)))
 207            (path2   (add-to-store store "delete-me" #t "sha256" file)))
 208       (and (string=? path path2)
 209            (equal? deleted (list path))
 210            (valid-path? store path)
 211            (file-exists? path)))))
 212
 213 (test-assert "references"
 214   (let* ((t1 (add-text-to-store %store "random1"
 215                                 (random-text)))
 216          (t2 (add-text-to-store %store "random2"
 217                                 (random-text) (list t1))))
 218     (and (equal? (list t1) (references %store t2))
 219          (equal? (list t2) (referrers %store t1))
 220          (null? (references %store t1))
 221          (null? (referrers %store t2)))))
 222
 223 (test-assert "references/substitutes missing reference info"
 224   (with-store s
 225     (set-build-options s #:use-substitutes? #f)
 226     (guard (c ((nix-protocol-error? c) #t))
 227       (let* ((b  (add-to-store s "bash" #t "sha256"
 228                                (search-bootstrap-binary "bash"
 229                                                         (%current-system))))
 230              (d  (derivation s "the-thing" b '("--help")
 231                              #:inputs `((,b)))))
 232         (references/substitutes s (list (derivation->output-path d) b))
 233         #f))))
 234
 235 (test-assert "references/substitutes with substitute info"
 236   (with-store s
 237     (set-build-options s #:use-substitutes? #t)
 238     (let* ((t1 (add-text-to-store s "random1" (random-text)))
 239            (t2 (add-text-to-store s "random2" (random-text)
 240                                   (list t1)))
 241            (t3 (add-text-to-store s "build" "echo -n $t2 > $out"))
 242            (b  (add-to-store s "bash" #t "sha256"
 243                              (search-bootstrap-binary "bash"
 244                                                       (%current-system))))
 245            (d  (derivation s "the-thing" b `("-e" ,t3)
 246                            #:inputs `((,b) (,t3) (,t2))
 247                            #:env-vars `(("t2" . ,t2))))
 248            (o  (derivation->output-path d)))
 249       (with-derivation-narinfo d
 250         (sha256 => (sha256 (string->utf8 t2)))
 251         (references => (list t2))
 252
 253         (equal? (references/substitutes s (list o t3 t2 t1))
 254                 `((,t2)                           ;refs of O
 255                   ()                              ;refs of T3
 256                   (,t1)                           ;refs of T2
 257                   ()))))))                        ;refs of T1
 258
 259 (test-equal "substitutable-path-info when substitutes are turned off"
 260   '()
 261   (with-store s
 262     (set-build-options s #:use-substitutes? #f)
 263     (let* ((b  (add-to-store s "bash" #t "sha256"
 264                              (search-bootstrap-binary "bash"
 265                                                       (%current-system))))
 266            (d  (derivation s "the-thing" b '("--version")
 267                            #:inputs `((,b))))
 268            (o  (derivation->output-path d)))
 269       (with-derivation-narinfo d
 270         (substitutable-path-info s (list o))))))
 271
 272 (test-equal "substitutable-paths when substitutes are turned off"
 273   '()
 274   (with-store s
 275     (set-build-options s #:use-substitutes? #f)
 276     (let* ((b  (add-to-store s "bash" #t "sha256"
 277                              (search-bootstrap-binary "bash"
 278                                                       (%current-system))))
 279            (d  (derivation s "the-thing" b '("--version")
 280                            #:inputs `((,b))))
 281            (o  (derivation->output-path d)))
 282       (with-derivation-narinfo d
 283         (substitutable-paths s (list o))))))
 284
 285 (test-assert "requisites"
 286   (let* ((t1 (add-text-to-store %store "random1"
 287                                 (random-text) '()))
 288          (t2 (add-text-to-store %store "random2"
 289                                 (random-text) (list t1)))
 290          (t3 (add-text-to-store %store "random3"
 291                                 (random-text) (list t2)))
 292          (t4 (add-text-to-store %store "random4"
 293                                 (random-text) (list t1 t3))))
 294     (define (same? x y)
 295       (and (= (length x) (length y))
 296            (lset= equal? x y)))
 297
 298     (and (same? (requisites %store (list t1)) (list t1))
 299          (same? (requisites %store (list t2)) (list t1 t2))
 300          (same? (requisites %store (list t3)) (list t1 t2 t3))
 301          (same? (requisites %store (list t4)) (list t1 t2 t3 t4))
 302          (same? (requisites %store (list t1 t2 t3 t4))
 303                 (list t1 t2 t3 t4)))))
 304
 305 (test-assert "derivers"
 306   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 307          (s (add-to-store %store "bash" #t "sha256"
 308                           (search-bootstrap-binary "bash"
 309                                                    (%current-system))))
 310          (d (derivation %store "the-thing"
 311                         s `("-e" ,b)
 312                         #:env-vars `(("foo" . ,(random-text)))
 313                         #:inputs `((,b) (,s))))
 314          (o (derivation->output-path d)))
 315     (and (build-derivations %store (list d))
 316          (equal? (query-derivation-outputs %store (derivation-file-name d))
 317                  (list o))
 318          (equal? (valid-derivers %store o)
 319                  (list (derivation-file-name d))))))
 320
 321 (test-assert "topologically-sorted, one item"
 322   (let* ((a (add-text-to-store %store "a" "a"))
 323          (b (add-text-to-store %store "b" "b" (list a)))
 324          (c (add-text-to-store %store "c" "c" (list b)))
 325          (d (add-text-to-store %store "d" "d" (list c)))
 326          (s (topologically-sorted %store (list d))))
 327     (equal? s (list a b c d))))
 328
 329 (test-assert "topologically-sorted, several items"
 330   (let* ((a  (add-text-to-store %store "a" "a"))
 331          (b  (add-text-to-store %store "b" "b" (list a)))
 332          (c  (add-text-to-store %store "c" "c" (list b)))
 333          (d  (add-text-to-store %store "d" "d" (list c)))
 334          (s1 (topologically-sorted %store (list d a c b)))
 335          (s2 (topologically-sorted %store (list b d c a b d))))
 336     (equal? s1 s2 (list a b c d))))
 337
 338 (test-assert "topologically-sorted, more difficult"
 339   (let* ((a  (add-text-to-store %store "a" "a"))
 340          (b  (add-text-to-store %store "b" "b" (list a)))
 341          (c  (add-text-to-store %store "c" "c" (list b)))
 342          (d  (add-text-to-store %store "d" "d" (list c)))
 343          (w  (add-text-to-store %store "w" "w"))
 344          (x  (add-text-to-store %store "x" "x" (list w)))
 345          (y  (add-text-to-store %store "y" "y" (list x d)))
 346          (s1 (topologically-sorted %store (list y)))
 347          (s2 (topologically-sorted %store (list c y)))
 348          (s3 (topologically-sorted %store (cons y (references %store y)))))
 349     ;; The order in which 'references' returns the references of Y is
 350     ;; unspecified, so accommodate.
 351     (let* ((x-then-d? (equal? (references %store y) (list x d))))
 352       (and (equal? s1
 353                    (if x-then-d?
 354                        (list w x a b c d y)
 355                        (list a b c d w x y)))
 356            (equal? s2
 357                    (if x-then-d?
 358                        (list a b c w x d y)
 359                        (list a b c d w x y)))
 360            (lset= string=? s1 s3)))))
 361
 362 (test-assert "current-build-output-port, UTF-8"
 363   ;; Are UTF-8 strings in the build log properly interpreted?
 364   (string-contains
 365    (with-fluids ((%default-port-encoding "UTF-8")) ;for the string port
 366      (call-with-output-string
 367       (lambda (port)
 368         (parameterize ((current-build-output-port port))
 369           (let* ((s "Here’s a Greek letter: λ.")
 370                  (d (build-expression->derivation
 371                      %store "foo" `(display ,s)
 372                      #:guile-for-build
 373                      (package-derivation s %bootstrap-guile (%current-system)))))
 374             (guard (c ((nix-protocol-error? c) #t))
 375               (build-derivations %store (list d))))))))
 376    "Here’s a Greek letter: λ."))
 377
 378 (test-assert "current-build-output-port, UTF-8 + garbage"
 379   ;; What about a mixture of UTF-8 + garbage?
 380   (string-contains
 381    (with-fluids ((%default-port-encoding "UTF-8")) ;for the string port
 382      (call-with-output-string
 383       (lambda (port)
 384         (parameterize ((current-build-output-port port))
 385           (let ((d (build-expression->derivation
 386                     %store "foo"
 387                     `(begin
 388                        (use-modules (rnrs io ports))
 389                        (display "garbage: ")
 390                        (put-bytevector (current-output-port) #vu8(128))
 391                        (display "lambda: λ\n"))
 392                      #:guile-for-build
 393                      (package-derivation %store %bootstrap-guile))))
 394             (guard (c ((nix-protocol-error? c) #t))
 395               (build-derivations %store (list d))))))))
 396    (cond-expand
 397      (guile-2.2 "garbage: �lambda: λ")
 398      (else      "garbage: ?lambda: λ"))))
 399
 400 (test-assert "log-file, derivation"
 401   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 402          (s (add-to-store %store "bash" #t "sha256"
 403                           (search-bootstrap-binary "bash"
 404                                                    (%current-system))))
 405          (d (derivation %store "the-thing"
 406                         s `("-e" ,b)
 407                         #:env-vars `(("foo" . ,(random-text)))
 408                         #:inputs `((,b) (,s)))))
 409     (and (build-derivations %store (list d))
 410          (file-exists? (pk (log-file %store (derivation-file-name d)))))))
 411
 412 (test-assert "log-file, output file name"
 413   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 414          (s (add-to-store %store "bash" #t "sha256"
 415                           (search-bootstrap-binary "bash"
 416                                                    (%current-system))))
 417          (d (derivation %store "the-thing"
 418                         s `("-e" ,b)
 419                         #:env-vars `(("foo" . ,(random-text)))
 420                         #:inputs `((,b) (,s))))
 421          (o (derivation->output-path d)))
 422     (and (build-derivations %store (list d))
 423          (file-exists? (pk (log-file %store o)))
 424          (string=? (log-file %store (derivation-file-name d))
 425                    (log-file %store o)))))
 426
 427 (test-assert "no substitutes"
 428   (with-store s
 429     (let* ((d1 (package-derivation s %bootstrap-guile (%current-system)))
 430            (d2 (package-derivation s %bootstrap-glibc (%current-system)))
 431            (o  (map derivation->output-path (list d1 d2))))
 432       (set-build-options s #:use-substitutes? #f)
 433       (and (not (has-substitutes? s (derivation-file-name d1)))
 434            (not (has-substitutes? s (derivation-file-name d2)))
 435            (null? (substitutable-paths s o))
 436            (null? (substitutable-path-info s o))))))
 437
 438 (test-assert "build-things with output path"
 439   (with-store s
 440     (let* ((c   (random-text))                    ;contents of the output
 441            (d   (build-expression->derivation
 442                  s "substitute-me"
 443                  `(call-with-output-file %output
 444                     (lambda (p)
 445                       (display ,c p)))
 446                  #:guile-for-build
 447                  (package-derivation s %bootstrap-guile (%current-system))))
 448            (o   (derivation->output-path d)))
 449       (set-build-options s #:use-substitutes? #f)
 450
 451       ;; Pass 'build-things' the output file name, O.  However, since there
 452       ;; are no substitutes for O, it will just do nothing.
 453       (build-things s (list o))
 454       (not (valid-path? s o)))))
 455
 456 (test-skip (if (getenv "GUIX_BINARY_SUBSTITUTE_URL") 0 1))
 457
 458 (test-assert "substitute query"
 459   (with-store s
 460     (let* ((d (package-derivation s %bootstrap-guile (%current-system)))
 461            (o (derivation->output-path d)))
 462       ;; Create fake substituter data, to be read by 'guix substitute'.
 463       (with-derivation-narinfo d
 464         ;; Remove entry from the local cache.
 465         (false-if-exception
 466          (delete-file-recursively (string-append (getenv "XDG_CACHE_HOME")
 467                                                  "/guix/substitute")))
 468
 469         ;; Make sure 'guix substitute' correctly communicates the above
 470         ;; data.
 471         (set-build-options s #:use-substitutes? #t
 472                            #:substitute-urls (%test-substitute-urls))
 473         (and (has-substitutes? s o)
 474              (equal? (list o) (substitutable-paths s (list o)))
 475              (match (pk 'spi (substitutable-path-info s (list o)))
 476                (((? substitutable? s))
 477                 (and (string=? (substitutable-deriver s)
 478                                (derivation-file-name d))
 479                      (null? (substitutable-references s))
 480                      (equal? (substitutable-nar-size s) 1234)))))))))
 481
 482 (test-assert "substitute query, alternating URLs"
 483   (let* ((d (with-store s
 484               (package-derivation s %bootstrap-guile (%current-system))))
 485          (o (derivation->output-path d)))
 486     (with-derivation-narinfo d
 487       ;; Remove entry from the local cache.
 488       (false-if-exception
 489        (delete-file-recursively (string-append (getenv "XDG_CACHE_HOME")
 490                                                "/guix/substitute")))
 491
 492       ;; Note: We reconnect to the daemon to force a new instance of 'guix
 493       ;; substitute' to be used; otherwise the #:substitute-urls of
 494       ;; 'set-build-options' would have no effect.
 495
 496       (and (with-store s                        ;the right substitute URL
 497              (set-build-options s #:use-substitutes? #t
 498                                 #:substitute-urls (%test-substitute-urls))
 499              (has-substitutes? s o))
 500            (with-store s                        ;the wrong one
 501              (set-build-options s #:use-substitutes? #t
 502                                 #:substitute-urls (list
 503                                                    "http://does-not-exist"))
 504              (not (has-substitutes? s o)))
 505            (with-store s                        ;the right one again
 506              (set-build-options s #:use-substitutes? #t
 507                                 #:substitute-urls (%test-substitute-urls))
 508              (has-substitutes? s o))
 509            (with-store s                        ;empty list of URLs
 510              (set-build-options s #:use-substitutes? #t
 511                                 #:substitute-urls '())
 512              (not (has-substitutes? s o)))))))
 513
 514 (test-assert "substitute"
 515   (with-store s
 516     (let* ((c   (random-text))                     ; contents of the output
 517            (d   (build-expression->derivation
 518                  s "substitute-me"
 519                  `(call-with-output-file %output
 520                     (lambda (p)
 521                       (exit 1)                     ; would actually fail
 522                       (display ,c p)))
 523                  #:guile-for-build
 524                  (package-derivation s %bootstrap-guile (%current-system))))
 525            (o   (derivation->output-path d)))
 526       (with-derivation-substitute d c
 527         (set-build-options s #:use-substitutes? #t
 528                            #:substitute-urls (%test-substitute-urls))
 529         (and (has-substitutes? s o)
 530              (build-derivations s (list d))
 531              (equal? c (call-with-input-file o get-string-all)))))))
 532
 533 (test-assert "substitute + build-things with output path"
 534   (with-store s
 535     (let* ((c   (random-text))                    ;contents of the output
 536            (d   (build-expression->derivation
 537                  s "substitute-me"
 538                  `(call-with-output-file %output
 539                     (lambda (p)
 540                       (exit 1)                    ;would actually fail
 541                       (display ,c p)))
 542                  #:guile-for-build
 543                  (package-derivation s %bootstrap-guile (%current-system))))
 544            (o   (derivation->output-path d)))
 545       (with-derivation-substitute d c
 546         (set-build-options s #:use-substitutes? #t
 547                            #:substitute-urls (%test-substitute-urls))
 548         (and (has-substitutes? s o)
 549              (build-things s (list o))            ;give the output path
 550              (valid-path? s o)
 551              (equal? c (call-with-input-file o get-string-all)))))))
 552
 553 (test-assert "substitute, corrupt output hash"
 554   ;; Tweak the substituter into installing a substitute whose hash doesn't
 555   ;; match the one announced in the narinfo.  The daemon must notice this and
 556   ;; raise an error.
 557   (with-store s
 558     (let* ((c   "hello, world")                    ; contents of the output
 559            (d   (build-expression->derivation
 560                  s "corrupt-substitute"
 561                  `(mkdir %output)
 562                  #:guile-for-build
 563                  (package-derivation s %bootstrap-guile (%current-system))))
 564            (o   (derivation->output-path d)))
 565       (with-derivation-substitute d c
 566         (sha256 => (make-bytevector 32 0)) ;select a hash that doesn't match C
 567
 568         ;; Make sure we use 'guix substitute'.
 569         (set-build-options s
 570                            #:use-substitutes? #t
 571                            #:fallback? #f
 572                            #:substitute-urls (%test-substitute-urls))
 573         (and (has-substitutes? s o)
 574              (guard (c ((nix-protocol-error? c)
 575                         ;; XXX: the daemon writes "hash mismatch in downloaded
 576                         ;; path", but the actual error returned to the client
 577                         ;; doesn't mention that.
 578                         (pk 'corrupt c)
 579                         (not (zero? (nix-protocol-error-status c)))))
 580                (build-derivations s (list d))
 581                #f))))))
 582
 583 (test-assert "substitute --fallback"
 584   (with-store s
 585     (let* ((t   (random-text))                    ; contents of the output
 586            (d   (build-expression->derivation
 587                  s "substitute-me-not"
 588                  `(call-with-output-file %output
 589                     (lambda (p)
 590                       (display ,t p)))
 591                  #:guile-for-build
 592                  (package-derivation s %bootstrap-guile (%current-system))))
 593            (o   (derivation->output-path d)))
 594       ;; Create fake substituter data, to be read by 'guix substitute'.
 595       (with-derivation-narinfo d
 596         ;; Make sure we use 'guix substitute'.
 597         (set-build-options s #:use-substitutes? #t
 598                            #:substitute-urls (%test-substitute-urls))
 599         (and (has-substitutes? s o)
 600              (guard (c ((nix-protocol-error? c)
 601                         ;; The substituter failed as expected.  Now make
 602                         ;; sure that #:fallback? #t works correctly.
 603                         (set-build-options s
 604                                            #:use-substitutes? #t
 605                                            #:substitute-urls
 606                                              (%test-substitute-urls)
 607                                            #:fallback? #t)
 608                         (and (build-derivations s (list d))
 609                              (equal? t (call-with-input-file o
 610                                          get-string-all)))))
 611                ;; Should fail.
 612                (build-derivations s (list d))
 613                #f))))))
 614
 615 (test-assert "export/import several paths"
 616   (let* ((texts (unfold (cut >= <> 10)
 617                         (lambda _ (random-text))
 618                         1+
 619                         0))
 620          (files (map (cut add-text-to-store %store "text" <>) texts))
 621          (dump  (call-with-bytevector-output-port
 622                  (cut export-paths %store files <>))))
 623     (delete-paths %store files)
 624     (and (every (negate file-exists?) files)
 625          (let* ((source   (open-bytevector-input-port dump))
 626                 (imported (import-paths %store source)))
 627            (and (equal? imported files)
 628                 (every file-exists? files)
 629                 (equal? texts
 630                         (map (lambda (file)
 631                                (call-with-input-file file
 632                                  get-string-all))
 633                              files)))))))
 634
 635 (test-assert "export/import paths, ensure topological order"
 636   (let* ((file0 (add-text-to-store %store "baz" (random-text)))
 637          (file1 (add-text-to-store %store "foo" (random-text)
 638                                    (list file0)))
 639          (file2 (add-text-to-store %store "bar" (random-text)
 640                                    (list file1)))
 641          (files (list file1 file2))
 642          (dump1 (call-with-bytevector-output-port
 643                  (cute export-paths %store (list file1 file2) <>)))
 644          (dump2 (call-with-bytevector-output-port
 645                  (cute export-paths %store (list file2 file1) <>))))
 646     (delete-paths %store files)
 647     (and (every (negate file-exists?) files)
 648          (bytevector=? dump1 dump2)
 649          (let* ((source   (open-bytevector-input-port dump1))
 650                 (imported (import-paths %store source)))
 651            ;; DUMP1 should contain exactly FILE1 and FILE2, not FILE0.
 652            (and (equal? imported (list file1 file2))
 653                 (every file-exists? files)
 654                 (equal? (list file0) (references %store file1))
 655                 (equal? (list file1) (references %store file2)))))))
 656
 657 (test-assert "export/import incomplete"
 658   (let* ((file0 (add-text-to-store %store "baz" (random-text)))
 659          (file1 (add-text-to-store %store "foo" (random-text)
 660                                    (list file0)))
 661          (file2 (add-text-to-store %store "bar" (random-text)
 662                                    (list file1)))
 663          (dump  (call-with-bytevector-output-port
 664                  (cute export-paths %store (list file2) <>))))
 665     (delete-paths %store (list file0 file1 file2))
 666     (guard (c ((nix-protocol-error? c)
 667                (and (not (zero? (nix-protocol-error-status c)))
 668                     (string-contains (nix-protocol-error-message c)
 669                                      "not valid"))))
 670       ;; Here we get an exception because DUMP does not include FILE0 and
 671       ;; FILE1, which are dependencies of FILE2.
 672       (import-paths %store (open-bytevector-input-port dump)))))
 673
 674 (test-assert "export/import recursive"
 675   (let* ((file0 (add-text-to-store %store "baz" (random-text)))
 676          (file1 (add-text-to-store %store "foo" (random-text)
 677                                    (list file0)))
 678          (file2 (add-text-to-store %store "bar" (random-text)
 679                                    (list file1)))
 680          (dump  (call-with-bytevector-output-port
 681                  (cute export-paths %store (list file2) <>
 682                        #:recursive? #t))))
 683     (delete-paths %store (list file0 file1 file2))
 684     (let ((imported (import-paths %store (open-bytevector-input-port dump))))
 685       (and (equal? imported (list file0 file1 file2))
 686            (every file-exists? (list file0 file1 file2))
 687            (equal? (list file0) (references %store file1))
 688            (equal? (list file1) (references %store file2))))))
 689
 690 (test-assert "write-file & export-path yield the same result"
 691   ;; Here we compare 'write-file' and the daemon's own implementation.
 692   ;; 'write-file' is the reference because we know it sorts file
 693   ;; deterministically.  Conversely, the daemon uses 'readdir' and the entries
 694   ;; currently happen to be sorted as a side-effect of some unrelated
 695   ;; operation (search for 'unhacked' in archive.cc.)  Make sure we detect any
 696   ;; changes there.
 697   (run-with-store %store
 698     (mlet* %store-monad ((drv1 (package->derivation %bootstrap-guile))
 699                          (out1 -> (derivation->output-path drv1))
 700                          (data -> (unfold (cut >= <> 26)
 701                                           (lambda (i)
 702                                             (random-bytevector 128))
 703                                           1+ 0))
 704                          (build
 705                           -> #~(begin
 706                                  (use-modules (rnrs io ports) (srfi srfi-1))
 707                                  (let ()
 708                                    (define letters
 709                                      (map (lambda (i)
 710                                             (string
 711                                              (integer->char
 712                                               (+ i (char->integer #\a)))))
 713                                           (iota 26)))
 714                                    (define (touch file data)
 715                                      (call-with-output-file file
 716                                        (lambda (port)
 717                                          (put-bytevector port data))))
 718
 719                                    (mkdir #$output)
 720                                    (chdir #$output)
 721
 722                                    ;; The files must be different so they have
 723                                    ;; different inode numbers, and the inode
 724                                    ;; order must differ from the lexicographic
 725                                    ;; order.
 726                                    (for-each touch
 727                                              (append (drop letters 10)
 728                                                      (take letters 10))
 729                                              (list #$@data))
 730                                    #t)))
 731                          (drv2 (gexp->derivation "bunch" build))
 732                          (out2 -> (derivation->output-path drv2))
 733                          (item-info -> (store-lift query-path-info)))
 734       (mbegin %store-monad
 735         (built-derivations (list drv1 drv2))
 736         (foldm %store-monad
 737                (lambda (item result)
 738                  (define ref-hash
 739                    (let-values (((port get) (open-sha256-port)))
 740                      (write-file item port)
 741                      (close-port port)
 742                      (get)))
 743
 744                  ;; 'query-path-info' returns a hash produced by using the
 745                  ;; daemon's C++ 'dump' function, which is the implementation
 746                  ;; under test.
 747                  (>>= (item-info item)
 748                       (lambda (info)
 749                         (return
 750                          (and result
 751                               (bytevector=? (path-info-hash info) ref-hash))))))
 752                #t
 753                (list out1 out2))))
 754     #:guile-for-build (%guile-for-build)))
 755
 756 (test-assert "import corrupt path"
 757   (let* ((text (random-text))
 758          (file (add-text-to-store %store "text" text))
 759          (dump (call-with-bytevector-output-port
 760                 (cut export-paths %store (list file) <>))))
 761     (delete-paths %store (list file))
 762
 763     ;; Flip a bit in the stream's payload.  INDEX here falls in the middle of
 764     ;; the file contents in DUMP, regardless of the store prefix.
 765     (let* ((index #x70)
 766            (byte  (bytevector-u8-ref dump index)))
 767       (bytevector-u8-set! dump index (logxor #xff byte)))
 768
 769     (and (not (file-exists? file))
 770          (guard (c ((nix-protocol-error? c)
 771                     (pk 'c c)
 772                     (and (not (zero? (nix-protocol-error-status c)))
 773                          (string-contains (nix-protocol-error-message c)
 774                                           "corrupt"))))
 775            (let* ((source   (open-bytevector-input-port dump))
 776                   (imported (import-paths %store source)))
 777              (pk 'corrupt-imported imported)
 778              #f)))))
 779
 780 (test-assert "register-path"
 781   (let ((file (string-append (%store-prefix) "/" (make-string 32 #\f)
 782                              "-fake")))
 783     (when (valid-path? %store file)
 784       (delete-paths %store (list file)))
 785     (false-if-exception (delete-file file))
 786
 787     (let ((ref (add-text-to-store %store "ref-of-fake" (random-text)))
 788           (drv (string-append file ".drv")))
 789       (call-with-output-file file
 790         (cut display "This is a fake store item.\n" <>))
 791       (register-path file
 792                      #:references (list ref)
 793                      #:deriver drv)
 794
 795       (and (valid-path? %store file)
 796            (equal? (references %store file) (list ref))
 797            (null? (valid-derivers %store file))
 798            (null? (referrers %store file))))))
 799
 800 (test-assert "verify-store"
 801   (let* ((text  (random-text))
 802          (file1 (add-text-to-store %store "foo" text))
 803          (file2 (add-text-to-store %store "bar" (random-text)
 804                                    (list file1))))
 805     (and (pk 'verify1 (verify-store %store))    ;hopefully OK ;
 806          (begin
 807            (delete-file file1)
 808            (not (pk 'verify2 (verify-store %store)))) ;bad! ;
 809          (begin
 810            ;; Using 'add-text-to-store' here wouldn't work: It would succeed ;
 811            ;; without actually creating the file. ;
 812            (call-with-output-file file1
 813              (lambda (port)
 814                (display text port)))
 815            (pk 'verify3 (verify-store %store)))))) ;OK again
 816
 817 (test-assert "verify-store + check-contents"
 818   ;; XXX: This test is I/O intensive.
 819   (with-store s
 820     (let* ((text (random-text))
 821            (drv  (build-expression->derivation
 822                   s "corrupt"
 823                   `(let ((out (assoc-ref %outputs "out")))
 824                      (call-with-output-file out
 825                        (lambda (port)
 826                          (display ,text port)))
 827                      #t)
 828                   #:guile-for-build
 829                   (package-derivation s %bootstrap-guile (%current-system))))
 830            (file (derivation->output-path drv)))
 831       (with-derivation-substitute drv text
 832         (and (build-derivations s (list drv))
 833              (verify-store s #:check-contents? #t) ;should be OK
 834              (begin
 835                (chmod file #o644)
 836                (call-with-output-file file
 837                  (lambda (port)
 838                    (display "corrupt!" port)))
 839                #t)
 840
 841              ;; Make sure the corruption is detected.  We don't test repairing
 842              ;; because only "trusted" users are allowed to do it, but we
 843              ;; don't expose that notion of trusted users that nix-daemon
 844              ;; supports because it seems dubious and redundant with what the
 845              ;; OS provides (in Nix "trusted" users have additional
 846              ;; privileges, such as overriding the set of substitute URLs, but
 847              ;; we instead want to allow anyone to modify them, provided
 848              ;; substitutes are signed by a root-approved key.)
 849              (not (verify-store s #:check-contents? #t))
 850
 851              ;; Delete the corrupt item to leave the store in a clean state.
 852              (delete-paths s (list file)))))))
 853
 854 (test-assert "build-things, check mode"
 855   (with-store store
 856     (call-with-temporary-output-file
 857      (lambda (entropy entropy-port)
 858        (write (random-text) entropy-port)
 859        (force-output entropy-port)
 860        (let* ((drv  (build-expression->derivation
 861                      store "non-deterministic"
 862                      `(begin
 863                         (use-modules (rnrs io ports))
 864                         (let ((out (assoc-ref %outputs "out")))
 865                           (call-with-output-file out
 866                             (lambda (port)
 867                               ;; Rely on the fact that tests do not use the
 868                               ;; chroot, and thus ENTROPY is readable.
 869                               (display (call-with-input-file ,entropy
 870                                          get-string-all)
 871                                        port)))
 872                           #t))
 873                      #:guile-for-build
 874                      (package-derivation store %bootstrap-guile (%current-system))))
 875               (file (derivation->output-path drv)))
 876          (and (build-things store (list (derivation-file-name drv)))
 877               (begin
 878                 (write (random-text) entropy-port)
 879                 (force-output entropy-port)
 880                 (guard (c ((nix-protocol-error? c)
 881                            (pk 'determinism-exception c)
 882                            (and (not (zero? (nix-protocol-error-status c)))
 883                                 (string-contains (nix-protocol-error-message c)
 884                                                  "deterministic"))))
 885                   ;; This one will produce a different result.  Since we're in
 886                   ;; 'check' mode, this must fail.
 887                   (build-things store (list (derivation-file-name drv))
 888                                 (build-mode check))
 889                   #f))))))))
 890
 891 (test-assert "build multiple times"
 892   (with-store store
 893     ;; Ask to build twice.
 894     (set-build-options store #:rounds 2 #:use-substitutes? #f)
 895
 896     (call-with-temporary-output-file
 897      (lambda (entropy entropy-port)
 898        (write (random-text) entropy-port)
 899        (force-output entropy-port)
 900        (let* ((drv  (build-expression->derivation
 901                      store "non-deterministic"
 902                      `(begin
 903                         (use-modules (rnrs io ports))
 904                         (let ((out (assoc-ref %outputs "out")))
 905                           (call-with-output-file out
 906                             (lambda (port)
 907                               ;; Rely on the fact that tests do not use the
 908                               ;; chroot, and thus ENTROPY is accessible.
 909                               (display (call-with-input-file ,entropy
 910                                          get-string-all)
 911                                        port)
 912                               (call-with-output-file ,entropy
 913                                 (lambda (port)
 914                                   (write 'foobar port)))))
 915                           #t))
 916                      #:guile-for-build
 917                      (package-derivation store %bootstrap-guile (%current-system))))
 918               (file (derivation->output-path drv)))
 919          (guard (c ((nix-protocol-error? c)
 920                     (pk 'multiple-build c)
 921                     (and (not (zero? (nix-protocol-error-status c)))
 922                          (string-contains (nix-protocol-error-message c)
 923                                           "deterministic"))))
 924            ;; This one will produce a different result on the second run.
 925            (current-build-output-port (current-error-port))
 926            (build-things store (list (derivation-file-name drv)))
 927            #f))))))
 928
 929 (test-equal "store-lower"
 930   "Lowered."
 931   (let* ((add  (store-lower text-file))
 932          (file (add %store "foo" "Lowered.")))
 933     (call-with-input-file file get-string-all)))
 934
 935 (test-equal "current-system"
 936   "bar"
 937   (parameterize ((%current-system "frob"))
 938     (run-with-store %store
 939       (mbegin %store-monad
 940         (set-current-system "bar")
 941         (current-system))
 942       #:system "foo")))
 943
 944 (test-assert "query-path-info"
 945   (let* ((ref (add-text-to-store %store "ref" "foo"))
 946          (item (add-text-to-store %store "item" "bar" (list ref)))
 947          (info (query-path-info %store item)))
 948     (and (equal? (path-info-references info) (list ref))
 949          (equal? (path-info-hash info)
 950                  (sha256
 951                   (string->utf8
 952                    (call-with-output-string (cut write-file item <>))))))))
 953
 954 (test-assert "path-info-deriver"
 955   (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
 956          (s (add-to-store %store "bash" #t "sha256"
 957                           (search-bootstrap-binary "bash"
 958                                                    (%current-system))))
 959          (d (derivation %store "the-thing"
 960                         s `("-e" ,b)
 961                         #:env-vars `(("foo" . ,(random-text)))
 962                         #:inputs `((,b) (,s))))
 963          (o (derivation->output-path d)))
 964     (and (build-derivations %store (list d))
 965          (not (path-info-deriver (query-path-info %store b)))
 966          (string=? (derivation-file-name d)
 967                    (path-info-deriver (query-path-info %store o))))))
 968
 969 (test-equal "build-cores"
 970   (list 0 42)
 971   (with-store store
 972     (let* ((build  (add-text-to-store store "build.sh"
 973                                       "echo $NIX_BUILD_CORES > $out"))
 974            (bash   (add-to-store store "bash" #t "sha256"
 975                                  (search-bootstrap-binary "bash"
 976                                                           (%current-system))))
 977            (drv1   (derivation store "the-thing" bash
 978                                `("-e" ,build)
 979                                #:inputs `((,bash) (,build))
 980                                #:env-vars `(("x" . ,(random-text)))))
 981            (drv2   (derivation store "the-thing" bash
 982                                `("-e" ,build)
 983                                #:inputs `((,bash) (,build))
 984                                #:env-vars `(("x" . ,(random-text))))))
 985       (and (build-derivations store (list drv1))
 986            (begin
 987              (set-build-options store #:build-cores 42)
 988              (build-derivations store (list drv2)))
 989            (list (call-with-input-file (derivation->output-path drv1)
 990                    read)
 991                  (call-with-input-file (derivation->output-path drv2)
 992                    read))))))
 993
 994 (test-end "store")