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 188   ;; is no longer valid.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