tests/derivations.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015 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-derivations)
  20   #:use-module (guix derivations)
  21   #:use-module (guix store)
  22   #:use-module (guix utils)
  23   #:use-module (guix hash)
  24   #:use-module (guix base32)
  25   #:use-module (guix tests)
  26   #:use-module ((guix packages) #:select (package-derivation base32))
  27   #:use-module ((guix build utils) #:select (executable-file?))
  28   #:use-module ((gnu packages) #:select (search-bootstrap-binary))
  29   #:use-module (gnu packages bootstrap)
  30   #:use-module ((gnu packages guile) #:select (guile-1.8))
  31   #:use-module (srfi srfi-1)
  32   #:use-module (srfi srfi-11)
  33   #:use-module (srfi srfi-26)
  34   #:use-module (srfi srfi-34)
  35   #:use-module (srfi srfi-64)
  36   #:use-module (rnrs io ports)
  37   #:use-module (rnrs bytevectors)
  38   #:use-module (web uri)
  39   #:use-module (ice-9 rdelim)
  40   #:use-module (ice-9 regex)
  41   #:use-module (ice-9 ftw)
  42   #:use-module (ice-9 match))
  43
  44 (define %store
  45   (open-connection-for-tests))
  46
  47 (define (bootstrap-binary name)
  48   (let ((bin (search-bootstrap-binary name (%current-system))))
  49     (and %store
  50          (add-to-store %store name #t "sha256" bin))))
  51
  52 (define %bash
  53   (bootstrap-binary "bash"))
  54 (define %mkdir
  55   (bootstrap-binary "mkdir"))
  56
  57 (define* (directory-contents dir #:optional (slurp get-bytevector-all))
  58   "Return an alist representing the contents of DIR."
  59   (define prefix-len (string-length dir))
  60   (sort (file-system-fold (const #t)                   ; enter?
  61                           (lambda (path stat result)   ; leaf
  62                             (alist-cons (string-drop path prefix-len)
  63                                         (call-with-input-file path slurp)
  64                                         result))
  65                           (lambda (path stat result) result)      ; down
  66                           (lambda (path stat result) result)      ; up
  67                           (lambda (path stat result) result)      ; skip
  68                           (lambda (path stat errno result) result) ; error
  69                           '()
  70                           dir)
  71         (lambda (e1 e2)
  72           (string<? (car e1) (car e2)))))
  73
  74 (test-begin "derivations")
  75
  76 (test-assert "parse & export"
  77   (let* ((f  (search-path %load-path "tests/test.drv"))
  78          (b1 (call-with-input-file f get-bytevector-all))
  79          (d1 (read-derivation (open-bytevector-input-port b1)))
  80          (b2 (call-with-bytevector-output-port (cut write-derivation d1 <>)))
  81          (d2 (read-derivation (open-bytevector-input-port b2))))
  82     (and (equal? b1 b2)
  83          (equal? d1 d2))))
  84
  85 (test-skip (if %store 0 12))
  86
  87 (test-assert "add-to-store, flat"
  88   (let* ((file (search-path %load-path "language/tree-il/spec.scm"))
  89          (drv  (add-to-store %store "flat-test" #f "sha256" file)))
  90     (and (eq? 'regular (stat:type (stat drv)))
  91          (valid-path? %store drv)
  92          (equal? (call-with-input-file file get-bytevector-all)
  93                  (call-with-input-file drv get-bytevector-all)))))
  94
  95 (test-assert "add-to-store, recursive"
  96   (let* ((dir (dirname (search-path %load-path "language/tree-il/spec.scm")))
  97          (drv (add-to-store %store "dir-tree-test" #t "sha256" dir)))
  98     (and (eq? 'directory (stat:type (stat drv)))
  99          (valid-path? %store drv)
 100          (equal? (directory-contents dir)
 101                  (directory-contents drv)))))
 102
 103 (test-assert "derivation with no inputs"
 104   (let* ((builder  (add-text-to-store %store "my-builder.sh"
 105                                       "echo hello, world\n"
 106                                       '()))
 107          (drv      (derivation %store "foo"
 108                                %bash `("-e" ,builder)
 109                                #:env-vars '(("HOME" . "/homeless")))))
 110     (and (store-path? (derivation-file-name drv))
 111          (valid-path? %store (derivation-file-name drv)))))
 112
 113 (test-assert "build derivation with 1 source"
 114   (let* ((builder (add-text-to-store %store "my-builder.sh"
 115                                      "echo hello, world > \"$out\"\n"
 116                                      '()))
 117          (drv     (derivation %store "foo"
 118                               %bash `(,builder)
 119                               #:env-vars '(("HOME" . "/homeless")
 120                                            ("zzz"  . "Z!")
 121                                            ("AAA"  . "A!"))
 122                               #:inputs `((,%bash) (,builder))))
 123          (succeeded?
 124           (build-derivations %store (list drv))))
 125     (and succeeded?
 126          (let ((path (derivation->output-path drv)))
 127            (and (valid-path? %store path)
 128                 (string=? (call-with-input-file path read-line)
 129                           "hello, world"))))))
 130
 131 (test-assert "derivation with local file as input"
 132   (let* ((builder    (add-text-to-store
 133                       %store "my-builder.sh"
 134                       "(while read line ; do echo \"$line\" ; done) < $in > $out"
 135                       '()))
 136          (input      (search-path %load-path "ice-9/boot-9.scm"))
 137          (input*     (add-to-store %store (basename input)
 138                                    #t "sha256" input))
 139          (drv        (derivation %store "derivation-with-input-file"
 140                                  %bash `(,builder)
 141
 142                                  ;; Cheat to pass the actual file name to the
 143                                  ;; builder.
 144                                  #:env-vars `(("in" . ,input*))
 145
 146                                  #:inputs `((,%bash)
 147                                             (,builder)
 148                                             (,input))))) ; ← local file name
 149     (and (build-derivations %store (list drv))
 150          ;; Note: we can't compare the files because the above trick alters
 151          ;; the contents.
 152          (valid-path? %store (derivation->output-path drv)))))
 153
 154 (test-assert "identical files are deduplicated"
 155   (let* ((build1  (add-text-to-store %store "one.sh"
 156                                      "echo hello, world > \"$out\"\n"
 157                                      '()))
 158          (build2  (add-text-to-store %store "two.sh"
 159                                      "# Hey!\necho hello, world > \"$out\"\n"
 160                                      '()))
 161          (drv1    (derivation %store "foo"
 162                               %bash `(,build1)
 163                               #:inputs `((,%bash) (,build1))))
 164          (drv2    (derivation %store "bar"
 165                               %bash `(,build2)
 166                               #:inputs `((,%bash) (,build2)))))
 167     (and (build-derivations %store (list drv1 drv2))
 168          (let ((file1 (derivation->output-path drv1))
 169                (file2 (derivation->output-path drv2)))
 170            (and (valid-path? %store file1) (valid-path? %store file2)
 171                 (string=? (call-with-input-file file1 get-string-all)
 172                           "hello, world\n")
 173                 (= (stat:ino (lstat file1))
 174                    (stat:ino (lstat file2))))))))
 175
 176 (test-equal "derivation-name"
 177   "foo-0.0"
 178   (let ((drv (derivation %store "foo-0.0" %bash '())))
 179     (derivation-name drv)))
 180
 181 (test-equal "derivation-output-names"
 182   '(("out") ("bar" "chbouib"))
 183   (let ((drv1 (derivation %store "foo-0.0" %bash '()))
 184         (drv2 (derivation %store "foo-0.0" %bash '()
 185                           #:outputs '("bar" "chbouib"))))
 186     (list (derivation-output-names drv1)
 187           (derivation-output-names drv2))))
 188
 189 (test-assert "offloadable-derivation?"
 190   (and (offloadable-derivation? (derivation %store "foo" %bash '()))
 191        (not (offloadable-derivation?
 192              (derivation %store "foo" %bash '()
 193                          #:local-build? #t)))))
 194
 195 (test-assert "fixed-output-derivation?"
 196   (let* ((builder    (add-text-to-store %store "my-fixed-builder.sh"
 197                                         "echo -n hello > $out" '()))
 198          (hash       (sha256 (string->utf8 "hello")))
 199          (drv        (derivation %store "fixed"
 200                                  %bash `(,builder)
 201                                  #:inputs `((,builder))
 202                                  #:hash hash #:hash-algo 'sha256)))
 203     (fixed-output-derivation? drv)))
 204
 205 (test-assert "fixed-output derivation"
 206   (let* ((builder    (add-text-to-store %store "my-fixed-builder.sh"
 207                                         "echo -n hello > $out" '()))
 208          (hash       (sha256 (string->utf8 "hello")))
 209          (drv        (derivation %store "fixed"
 210                                  %bash `(,builder)
 211                                  #:inputs `((,builder)) ; optional
 212                                  #:hash hash #:hash-algo 'sha256))
 213          (succeeded? (build-derivations %store (list drv))))
 214     (and succeeded?
 215          (let ((p (derivation->output-path drv)))
 216            (and (equal? (string->utf8 "hello")
 217                         (call-with-input-file p get-bytevector-all))
 218                 (bytevector? (query-path-hash %store p)))))))
 219
 220 (test-assert "fixed-output derivation: output paths are equal"
 221   (let* ((builder1   (add-text-to-store %store "fixed-builder1.sh"
 222                                         "echo -n hello > $out" '()))
 223          (builder2   (add-text-to-store %store "fixed-builder2.sh"
 224                                         "echo hey; echo -n hello > $out" '()))
 225          (hash       (sha256 (string->utf8 "hello")))
 226          (drv1       (derivation %store "fixed"
 227                                  %bash `(,builder1)
 228                                  #:hash hash #:hash-algo 'sha256))
 229          (drv2       (derivation %store "fixed"
 230                                  %bash `(,builder2)
 231                                  #:hash hash #:hash-algo 'sha256))
 232          (succeeded? (build-derivations %store (list drv1 drv2))))
 233     (and succeeded?
 234          (equal? (derivation->output-path drv1)
 235                  (derivation->output-path drv2)))))
 236
 237 (test-assert "fixed-output derivation, recursive"
 238   (let* ((builder    (add-text-to-store %store "my-fixed-builder.sh"
 239                                         "echo -n hello > $out" '()))
 240          (hash       (sha256 (string->utf8 "hello")))
 241          (drv        (derivation %store "fixed-rec"
 242                                  %bash `(,builder)
 243                                  #:inputs `((,builder))
 244                                  #:hash (base32 "0sg9f58l1jj88w6pdrfdpj5x9b1zrwszk84j81zvby36q9whhhqa")
 245                                  #:hash-algo 'sha256
 246                                  #:recursive? #t))
 247          (succeeded? (build-derivations %store (list drv))))
 248     (and succeeded?
 249          (let ((p (derivation->output-path drv)))
 250            (and (equal? (string->utf8 "hello")
 251                         (call-with-input-file p get-bytevector-all))
 252                 (bytevector? (query-path-hash %store p)))))))
 253
 254 (test-assert "derivation with a fixed-output input"
 255   ;; A derivation D using a fixed-output derivation F doesn't has the same
 256   ;; output path when passed F or F', as long as F and F' have the same output
 257   ;; path.
 258   (let* ((builder1   (add-text-to-store %store "fixed-builder1.sh"
 259                                         "echo -n hello > $out" '()))
 260          (builder2   (add-text-to-store %store "fixed-builder2.sh"
 261                                         "echo hey; echo -n hello > $out" '()))
 262          (hash       (sha256 (string->utf8 "hello")))
 263          (fixed1     (derivation %store "fixed"
 264                                  %bash `(,builder1)
 265                                  #:hash hash #:hash-algo 'sha256))
 266          (fixed2     (derivation %store "fixed"
 267                                  %bash `(,builder2)
 268                                  #:hash hash #:hash-algo 'sha256))
 269          (fixed-out  (derivation->output-path fixed1))
 270          (builder3   (add-text-to-store
 271                       %store "final-builder.sh"
 272                       ;; Use Bash hackery to avoid Coreutils.
 273                       "echo $in ; (read -u 3 c; echo $c) 3< $in > $out" '()))
 274          (final1     (derivation %store "final"
 275                                  %bash `(,builder3)
 276                                  #:env-vars `(("in" . ,fixed-out))
 277                                  #:inputs `((,%bash) (,builder3) (,fixed1))))
 278          (final2     (derivation %store "final"
 279                                  %bash `(,builder3)
 280                                  #:env-vars `(("in" . ,fixed-out))
 281                                  #:inputs `((,%bash) (,builder3) (,fixed2))))
 282          (succeeded? (build-derivations %store
 283                                         (list final1 final2))))
 284     (and succeeded?
 285          (equal? (derivation->output-path final1)
 286                  (derivation->output-path final2)))))
 287
 288 (test-assert "multiple-output derivation"
 289   (let* ((builder    (add-text-to-store %store "my-fixed-builder.sh"
 290                                         "echo one > $out ; echo two > $second"
 291                                         '()))
 292          (drv        (derivation %store "fixed"
 293                                  %bash `(,builder)
 294                                  #:env-vars '(("HOME" . "/homeless")
 295                                               ("zzz"  . "Z!")
 296                                               ("AAA"  . "A!"))
 297                                  #:inputs `((,%bash) (,builder))
 298                                  #:outputs '("out" "second")))
 299          (succeeded? (build-derivations %store (list drv))))
 300     (and succeeded?
 301          (let ((one (derivation->output-path drv "out"))
 302                (two (derivation->output-path drv "second")))
 303            (and (lset= equal?
 304                        (derivation->output-paths drv)
 305                        `(("out" . ,one) ("second" . ,two)))
 306                 (eq? 'one (call-with-input-file one read))
 307                 (eq? 'two (call-with-input-file two read)))))))
 308
 309 (test-assert "multiple-output derivation, non-alphabetic order"
 310   ;; Here, the outputs are not listed in alphabetic order.  Yet, the store
 311   ;; path computation must reorder them first.
 312   (let* ((builder    (add-text-to-store %store "my-fixed-builder.sh"
 313                                         "echo one > $out ; echo two > $AAA"
 314                                         '()))
 315          (drv        (derivation %store "fixed"
 316                                  %bash `(,builder)
 317                                  #:inputs `((,%bash) (,builder))
 318                                  #:outputs '("out" "AAA")))
 319          (succeeded? (build-derivations %store (list drv))))
 320     (and succeeded?
 321          (let ((one (derivation->output-path drv "out"))
 322                (two (derivation->output-path drv "AAA")))
 323            (and (eq? 'one (call-with-input-file one read))
 324                 (eq? 'two (call-with-input-file two read)))))))
 325
 326 (test-assert "multiple-output derivation, derivation-path->output-path"
 327   (let* ((builder    (add-text-to-store %store "builder.sh"
 328                                         "echo one > $out ; echo two > $second"
 329                                         '()))
 330          (drv        (derivation %store "multiple"
 331                                  %bash `(,builder)
 332                                  #:outputs '("out" "second")))
 333          (drv-file   (derivation-file-name drv))
 334          (one        (derivation->output-path drv "out"))
 335          (two        (derivation->output-path drv "second"))
 336          (first      (derivation-path->output-path drv-file "out"))
 337          (second     (derivation-path->output-path drv-file "second")))
 338     (and (not (string=? one two))
 339          (string-suffix? "-second" two)
 340          (string=? first one)
 341          (string=? second two))))
 342
 343 (test-assert "user of multiple-output derivation"
 344   ;; Check whether specifying several inputs coming from the same
 345   ;; multiple-output derivation works.
 346   (let* ((builder1   (add-text-to-store %store "my-mo-builder.sh"
 347                                         "echo one > $out ; echo two > $two"
 348                                         '()))
 349          (mdrv       (derivation %store "multiple-output"
 350                                  %bash `(,builder1)
 351                                  #:inputs `((,%bash) (,builder1))
 352                                  #:outputs '("out" "two")))
 353          (builder2   (add-text-to-store %store "my-mo-user-builder.sh"
 354                                         "read x < $one;
 355                                          read y < $two;
 356                                          echo \"($x $y)\" > $out"
 357                                         '()))
 358          (udrv       (derivation %store "multiple-output-user"
 359                                  %bash `(,builder2)
 360                                  #:env-vars `(("one"
 361                                                . ,(derivation->output-path
 362                                                    mdrv "out"))
 363                                               ("two"
 364                                                . ,(derivation->output-path
 365                                                    mdrv "two")))
 366                                  #:inputs `((,%bash)
 367                                             (,builder2)
 368                                             ;; two occurrences of MDRV:
 369                                             (,mdrv)
 370                                             (,mdrv "two")))))
 371     (and (build-derivations %store (list (pk 'udrv udrv)))
 372          (let ((p (derivation->output-path udrv)))
 373            (and (valid-path? %store p)
 374                 (equal? '(one two) (call-with-input-file p read)))))))
 375
 376 (test-assert "derivation with #:references-graphs"
 377   (let* ((input1  (add-text-to-store %store "foo" "hello"
 378                                      (list %bash)))
 379          (input2  (add-text-to-store %store "bar"
 380                                      (number->string (random 7777))
 381                                      (list input1)))
 382          (builder (add-text-to-store %store "build-graph"
 383                                      (format #f "
 384 ~a $out
 385  (while read l ; do echo $l ; done) < bash > $out/bash
 386  (while read l ; do echo $l ; done) < input1 > $out/input1
 387  (while read l ; do echo $l ; done) < input2 > $out/input2"
 388                                              %mkdir)
 389                                      (list %mkdir)))
 390          (drv     (derivation %store "closure-graphs"
 391                               %bash `(,builder)
 392                               #:references-graphs
 393                               `(("bash" . ,%bash)
 394                                 ("input1" . ,input1)
 395                                 ("input2" . ,input2))
 396                               #:inputs `((,%bash) (,builder))))
 397          (out     (derivation->output-path drv)))
 398     (define (deps path . deps)
 399       (let ((count (length deps)))
 400         (string-append path "\n\n" (number->string count) "\n"
 401                        (string-join (sort deps string<?) "\n")
 402                        (if (zero? count) "" "\n"))))
 403
 404     (and (build-derivations %store (list drv))
 405          (equal? (directory-contents out get-string-all)
 406                  `(("/bash"   . ,(string-append %bash "\n\n0\n"))
 407                    ("/input1" . ,(if (string>? input1 %bash)
 408                                      (string-append (deps %bash)
 409                                                     (deps input1 %bash))
 410                                      (string-append (deps input1 %bash)
 411                                                     (deps %bash))))
 412                    ("/input2" . ,(string-concatenate
 413                                   (map cdr
 414                                        (sort
 415                                         (map (lambda (p d)
 416                                                (cons p (apply deps p d)))
 417                                              (list %bash input1 input2)
 418                                              (list '() (list %bash) (list input1)))
 419                                         (lambda (x y)
 420                                           (match x
 421                                             ((p1 . _)
 422                                              (match y
 423                                                ((p2 . _)
 424                                                 (string<? p1 p2)))))))))))))))
 425
 426 (test-assert "derivation #:allowed-references, ok"
 427   (let ((drv (derivation %store "allowed" %bash
 428                          '("-c" "echo hello > $out")
 429                          #:inputs `((,%bash))
 430                          #:allowed-references '())))
 431     (build-derivations %store (list drv))))
 432
 433 (test-assert "derivation #:allowed-references, not allowed"
 434   (let* ((txt (add-text-to-store %store "foo" "Hello, world."))
 435          (drv (derivation %store "disallowed" %bash
 436                           `("-c" ,(string-append "echo " txt "> $out"))
 437                           #:inputs `((,%bash) (,txt))
 438                           #:allowed-references '())))
 439     (guard (c ((nix-protocol-error? c)
 440                ;; There's no specific error message to check for.
 441                #t))
 442       (build-derivations %store (list drv))
 443       #f)))
 444
 445 (test-assert "derivation #:allowed-references, self allowed"
 446   (let ((drv (derivation %store "allowed" %bash
 447                          '("-c" "echo $out > $out")
 448                          #:inputs `((,%bash))
 449                          #:allowed-references '("out"))))
 450     (build-derivations %store (list drv))))
 451
 452 (test-assert "derivation #:allowed-references, self not allowed"
 453   (let ((drv (derivation %store "disallowed" %bash
 454                          `("-c" ,"echo $out > $out")
 455                          #:inputs `((,%bash))
 456                          #:allowed-references '())))
 457     (guard (c ((nix-protocol-error? c)
 458                ;; There's no specific error message to check for.
 459                #t))
 460       (build-derivations %store (list drv))
 461       #f)))
 462
 463 \f
 464 (define %coreutils
 465   (false-if-exception
 466    (and (network-reachable?)
 467         (or (package-derivation %store %bootstrap-coreutils&co)
 468             (nixpkgs-derivation "coreutils")))))
 469
 470 (test-skip (if %coreutils 0 1))
 471
 472 (test-assert "build derivation with coreutils"
 473   (let* ((builder
 474           (add-text-to-store %store "build-with-coreutils.sh"
 475                              "echo $PATH ; mkdir --version ; mkdir $out ; touch $out/good"
 476                              '()))
 477          (drv
 478           (derivation %store "foo"
 479                       %bash `(,builder)
 480                       #:env-vars `(("PATH" .
 481                                     ,(string-append
 482                                       (derivation->output-path %coreutils)
 483                                       "/bin")))
 484                       #:inputs `((,builder)
 485                                  (,%coreutils))))
 486          (succeeded?
 487           (build-derivations %store (list drv))))
 488     (and succeeded?
 489          (let ((p (derivation->output-path drv)))
 490            (and (valid-path? %store p)
 491                 (file-exists? (string-append p "/good")))))))
 492
 493 (test-skip (if (%guile-for-build) 0 8))
 494
 495 (test-assert "build-expression->derivation and derivation-prerequisites"
 496   (let ((drv (build-expression->derivation %store "fail" #f)))
 497     (any (match-lambda
 498           (($ <derivation-input> path)
 499            (string=? path (derivation-file-name (%guile-for-build)))))
 500          (derivation-prerequisites drv))))
 501
 502 (test-assert "build-expression->derivation without inputs"
 503   (let* ((builder    '(begin
 504                         (mkdir %output)
 505                         (call-with-output-file (string-append %output "/test")
 506                           (lambda (p)
 507                             (display '(hello guix) p)))))
 508          (drv        (build-expression->derivation %store "goo" builder))
 509          (succeeded? (build-derivations %store (list drv))))
 510     (and succeeded?
 511          (let ((p (derivation->output-path drv)))
 512            (equal? '(hello guix)
 513                    (call-with-input-file (string-append p "/test") read))))))
 514
 515 (test-assert "build-expression->derivation and max-silent-time"
 516   (let* ((store      (let ((s (open-connection)))
 517                        (set-build-options s #:max-silent-time 1)
 518                        s))
 519          (builder    '(begin (sleep 100) (mkdir %output) #t))
 520          (drv        (build-expression->derivation store "silent" builder))
 521          (out-path   (derivation->output-path drv)))
 522     (guard (c ((nix-protocol-error? c)
 523                (and (string-contains (nix-protocol-error-message c)
 524                                      "failed")
 525                     (not (valid-path? store out-path)))))
 526       (build-derivations store (list drv))
 527       #f)))
 528
 529 (test-assert "build-expression->derivation and timeout"
 530   (let* ((store      (let ((s (open-connection)))
 531                        (set-build-options s #:timeout 1)
 532                        s))
 533          (builder    '(begin (sleep 100) (mkdir %output) #t))
 534          (drv        (build-expression->derivation store "slow" builder))
 535          (out-path   (derivation->output-path drv)))
 536     (guard (c ((nix-protocol-error? c)
 537                (and (string-contains (nix-protocol-error-message c)
 538                                      "failed")
 539                     (not (valid-path? store out-path)))))
 540       (build-derivations store (list drv))
 541       #f)))
 542
 543 (test-assert "build-expression->derivation and derivation-prerequisites-to-build"
 544   (let ((drv (build-expression->derivation %store "fail" #f)))
 545     ;; The only direct dependency is (%guile-for-build) and it's already
 546     ;; built.
 547     (null? (derivation-prerequisites-to-build %store drv))))
 548
 549 (test-assert "derivation-prerequisites-to-build when outputs already present"
 550   (let* ((builder    '(begin (mkdir %output) #t))
 551          (input-drv  (build-expression->derivation %store "input" builder))
 552          (input-path (derivation-output-path
 553                       (assoc-ref (derivation-outputs input-drv)
 554                                  "out")))
 555          (drv        (build-expression->derivation %store "something" builder
 556                                                    #:inputs
 557                                                    `(("i" ,input-drv))))
 558          (output     (derivation->output-path drv)))
 559     ;; Make sure these things are not already built.
 560     (when (valid-path? %store input-path)
 561       (delete-paths %store (list input-path)))
 562     (when (valid-path? %store output)
 563       (delete-paths %store (list output)))
 564
 565     (and (equal? (map derivation-input-path
 566                       (derivation-prerequisites-to-build %store drv))
 567                  (list (derivation-file-name input-drv)))
 568
 569          ;; Build DRV and delete its input.
 570          (build-derivations %store (list drv))
 571          (delete-paths %store (list input-path))
 572          (not (valid-path? %store input-path))
 573
 574          ;; Now INPUT-PATH is missing, yet it shouldn't be listed as a
 575          ;; prerequisite to build because DRV itself is already built.
 576          (null? (derivation-prerequisites-to-build %store drv)))))
 577
 578 (test-assert "derivation-prerequisites-to-build and substitutes"
 579   (let* ((store  (open-connection))
 580          (drv    (build-expression->derivation store "prereq-subst"
 581                                                (random 1000)))
 582          (output (derivation->output-path drv)))
 583
 584     ;; Make sure substitutes are usable.
 585     (set-build-options store #:use-substitutes? #t)
 586
 587     (with-derivation-narinfo drv
 588       (let-values (((build download)
 589                     (derivation-prerequisites-to-build store drv))
 590                    ((build* download*)
 591                     (derivation-prerequisites-to-build store drv
 592                                                        #:substitutable?
 593                                                        (const #f))))
 594         (and (null? build)
 595              (equal? download (list output))
 596              (null? download*)
 597              (null? build*))))))
 598
 599 (test-assert "derivation-prerequisites-to-build and substitutes, local build"
 600   (let* ((store  (open-connection))
 601          (drv    (build-expression->derivation store "prereq-subst-local"
 602                                                (random 1000)
 603                                                ;; XXX: Adjust once
 604                                                ;; <http://bugs.gnu.org/18747>
 605                                                ;; is fixed.
 606                                                #:local-build? #t))
 607          (output (derivation->output-path drv)))
 608
 609     ;; Make sure substitutes are usable.
 610     (set-build-options store #:use-substitutes? #t)
 611
 612     (with-derivation-narinfo drv
 613       (let-values (((build download)
 614                     (derivation-prerequisites-to-build store drv)))
 615         ;; Despite being available as a substitute, DRV will be built locally
 616         ;; due to #:local-build?.
 617         (and (null? download)
 618              (match build
 619                (((? derivation-input? input))
 620                 (string=? (derivation-input-path input)
 621                           (derivation-file-name drv)))))))))
 622
 623 (test-assert "build-expression->derivation with expression returning #f"
 624   (let* ((builder  '(begin
 625                       (mkdir %output)
 626                       #f))                        ; fail!
 627          (drv      (build-expression->derivation %store "fail" builder))
 628          (out-path (derivation->output-path drv)))
 629     (guard (c ((nix-protocol-error? c)
 630                ;; Note that the output path may exist at this point, but it
 631                ;; is invalid.
 632                (and (string-match "build .* failed"
 633                                   (nix-protocol-error-message c))
 634                     (not (valid-path? %store out-path)))))
 635       (build-derivations %store (list drv))
 636       #f)))
 637
 638 (test-assert "build-expression->derivation with two outputs"
 639   (let* ((builder    '(begin
 640                         (call-with-output-file (assoc-ref %outputs "out")
 641                           (lambda (p)
 642                             (display '(hello) p)))
 643                         (call-with-output-file (assoc-ref %outputs "second")
 644                           (lambda (p)
 645                             (display '(world) p)))))
 646          (drv        (build-expression->derivation %store "double" builder
 647                                                    #:outputs '("out"
 648                                                                "second")))
 649          (succeeded? (build-derivations %store (list drv))))
 650     (and succeeded?
 651          (let ((one (derivation->output-path drv))
 652                (two (derivation->output-path drv "second")))
 653            (and (equal? '(hello) (call-with-input-file one read))
 654                 (equal? '(world) (call-with-input-file two read)))))))
 655
 656 (test-skip (if %coreutils 0 1))
 657 (test-assert "build-expression->derivation with one input"
 658   (let* ((builder    '(call-with-output-file %output
 659                         (lambda (p)
 660                           (let ((cu (assoc-ref %build-inputs "cu")))
 661                             (close 1)
 662                             (dup2 (port->fdes p) 1)
 663                             (execl (string-append cu "/bin/uname")
 664                                    "uname" "-a")))))
 665          (drv        (build-expression->derivation %store "uname" builder
 666                                                    #:inputs
 667                                                    `(("cu" ,%coreutils))))
 668          (succeeded? (build-derivations %store (list drv))))
 669     (and succeeded?
 670          (let ((p (derivation->output-path drv)))
 671            (string-contains (call-with-input-file p read-line) "GNU")))))
 672
 673 (test-assert "build-expression->derivation with modules"
 674   (let* ((builder  `(begin
 675                       (use-modules (guix build utils))
 676                       (let ((out (assoc-ref %outputs "out")))
 677                         (mkdir-p (string-append out "/guile/guix/nix"))
 678                         #t)))
 679          (drv      (build-expression->derivation %store "test-with-modules"
 680                                                  builder
 681                                                  #:modules
 682                                                  '((guix build utils)))))
 683     (and (build-derivations %store (list drv))
 684          (let* ((p (derivation->output-path drv))
 685                 (s (stat (string-append p "/guile/guix/nix"))))
 686            (eq? (stat:type s) 'directory)))))
 687
 688 (test-assert "build-expression->derivation: same fixed-output path"
 689   (let* ((builder1   '(call-with-output-file %output
 690                         (lambda (p)
 691                           (write "hello" p))))
 692          (builder2   '(call-with-output-file (pk 'difference-here! %output)
 693                         (lambda (p)
 694                           (write "hello" p))))
 695          (hash       (sha256 (string->utf8 "hello")))
 696          (input1     (build-expression->derivation %store "fixed" builder1
 697                                                    #:hash hash
 698                                                    #:hash-algo 'sha256))
 699          (input2     (build-expression->derivation %store "fixed" builder2
 700                                                    #:hash hash
 701                                                    #:hash-algo 'sha256))
 702          (succeeded? (build-derivations %store (list input1 input2))))
 703     (and succeeded?
 704          (not (string=? (derivation-file-name input1)
 705                         (derivation-file-name input2)))
 706          (string=? (derivation->output-path input1)
 707                    (derivation->output-path input2)))))
 708
 709 (test-assert "build-expression->derivation with a fixed-output input"
 710   (let* ((builder1   '(call-with-output-file %output
 711                         (lambda (p)
 712                           (write "hello" p))))
 713          (builder2   '(call-with-output-file (pk 'difference-here! %output)
 714                         (lambda (p)
 715                           (write "hello" p))))
 716          (hash       (sha256 (string->utf8 "hello")))
 717          (input1     (build-expression->derivation %store "fixed" builder1
 718                                                    #:hash hash
 719                                                    #:hash-algo 'sha256))
 720          (input2     (build-expression->derivation %store "fixed" builder2
 721                                                    #:hash hash
 722                                                    #:hash-algo 'sha256))
 723          (builder3  '(let ((input (assoc-ref %build-inputs "input")))
 724                        (call-with-output-file %output
 725                          (lambda (out)
 726                            (format #f "My input is ~a.~%" input)))))
 727          (final1    (build-expression->derivation %store "final" builder3
 728                                                   #:inputs
 729                                                   `(("input" ,input1))))
 730          (final2    (build-expression->derivation %store "final" builder3
 731                                                   #:inputs
 732                                                   `(("input" ,input2)))))
 733     (and (string=? (derivation->output-path final1)
 734                    (derivation->output-path final2))
 735          (string=? (derivation->output-path final1)
 736                    (derivation-path->output-path
 737                     (derivation-file-name final1)))
 738          (build-derivations %store (list final1 final2)))))
 739
 740 (test-assert "build-expression->derivation produces recursive fixed-output"
 741   (let* ((builder '(begin
 742                      (use-modules (srfi srfi-26))
 743                      (mkdir %output)
 744                      (chdir %output)
 745                      (call-with-output-file "exe"
 746                        (cut display "executable" <>))
 747                      (chmod "exe" #o777)
 748                      (symlink "exe" "symlink")
 749                      (mkdir "subdir")))
 750          (drv     (build-expression->derivation %store "fixed-rec" builder
 751                                                 #:hash-algo 'sha256
 752                                                 #:hash (base32
 753                                                         "10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p")
 754                                                 #:recursive? #t)))
 755     (and (build-derivations %store (list drv))
 756          (let* ((dir    (derivation->output-path drv))
 757                 (exe    (string-append dir "/exe"))
 758                 (link   (string-append dir "/symlink"))
 759                 (subdir (string-append dir "/subdir")))
 760            (and (executable-file? exe)
 761                 (string=? "executable"
 762                           (call-with-input-file exe get-string-all))
 763                 (string=? "exe" (readlink link))
 764                 (file-is-directory? subdir))))))
 765
 766 (test-assert "build-expression->derivation uses recursive fixed-output"
 767   (let* ((builder '(call-with-output-file %output
 768                      (lambda (port)
 769                        (display "hello" port))))
 770          (fixed   (build-expression->derivation %store "small-fixed-rec"
 771                                                 builder
 772                                                 #:hash-algo 'sha256
 773                                                 #:hash (base32
 774                                                         "0sg9f58l1jj88w6pdrfdpj5x9b1zrwszk84j81zvby36q9whhhqa")
 775                                                 #:recursive? #t))
 776          (in      (derivation->output-path fixed))
 777          (builder `(begin
 778                      (mkdir %output)
 779                      (chdir %output)
 780                      (symlink ,in "symlink")))
 781          (drv     (build-expression->derivation %store "fixed-rec-user"
 782                                                 builder
 783                                                 #:inputs `(("fixed" ,fixed)))))
 784     (and (build-derivations %store (list drv))
 785          (let ((out (derivation->output-path drv)))
 786            (string=? (readlink (string-append out "/symlink")) in)))))
 787
 788 (test-assert "build-expression->derivation with #:references-graphs"
 789   (let* ((input   (add-text-to-store %store "foo" "hello"
 790                                      (list %bash %mkdir)))
 791          (builder '(copy-file "input" %output))
 792          (drv     (build-expression->derivation %store "references-graphs"
 793                                                 builder
 794                                                 #:references-graphs
 795                                                 `(("input" . ,input))))
 796          (out     (derivation->output-path drv)))
 797     (define (deps path . deps)
 798       (let ((count (length deps)))
 799         (string-append path "\n\n" (number->string count) "\n"
 800                        (string-join (sort deps string<?) "\n")
 801                        (if (zero? count) "" "\n"))))
 802
 803     (and (build-derivations %store (list drv))
 804          (equal? (call-with-input-file out get-string-all)
 805                  (string-concatenate
 806                   (map cdr
 807                        (sort (map (lambda (p d)
 808                                     (cons p (apply deps p d)))
 809                                   (list input %bash %mkdir)
 810                                   (list (list %bash %mkdir)
 811                                         '() '()))
 812                              (lambda (x y)
 813                                (match x
 814                                  ((p1 . _)
 815                                   (match y
 816                                     ((p2 . _)
 817                                      (string<? p1 p2)))))))))))))
 818
 819
 820 (test-assert "graft-derivation"
 821   (let* ((build `(begin
 822                    (mkdir %output)
 823                    (chdir %output)
 824                    (symlink %output "self")
 825                    (call-with-output-file "text"
 826                      (lambda (output)
 827                        (format output "foo/~a/bar" ,%mkdir)))
 828                    (symlink ,%bash "sh")))
 829          (orig  (build-expression->derivation %store "graft" build
 830                                               #:inputs `(("a" ,%bash)
 831                                                          ("b" ,%mkdir))))
 832          (one   (add-text-to-store %store "bash" "fake bash"))
 833          (two   (build-expression->derivation %store "mkdir"
 834                                               '(call-with-output-file %output
 835                                                  (lambda (port)
 836                                                    (display "fake mkdir" port)))))
 837          (graft (graft-derivation %store "graft" orig
 838                                   (list (graft
 839                                           (origin %bash)
 840                                           (replacement one))
 841                                         (graft
 842                                           (origin %mkdir)
 843                                           (replacement two))))))
 844     (and (build-derivations %store (list graft))
 845          (let ((two   (derivation->output-path two))
 846                (graft (derivation->output-path graft)))
 847            (and (string=? (format #f "foo/~a/bar" two)
 848                           (call-with-input-file (string-append graft "/text")
 849                             get-string-all))
 850                 (string=? (readlink (string-append graft "/sh")) one)
 851                 (string=? (readlink (string-append graft "/self")) graft))))))
 852
 853 (test-equal "map-derivation"
 854   "hello"
 855   (let* ((joke (package-derivation %store guile-1.8))
 856          (good (package-derivation %store %bootstrap-guile))
 857          (drv1 (build-expression->derivation %store "original-drv1"
 858                                              #f   ; systematically fail
 859                                              #:guile-for-build joke))
 860          (drv2 (build-expression->derivation %store "original-drv2"
 861                                              '(call-with-output-file %output
 862                                                 (lambda (p)
 863                                                   (display "hello" p)))))
 864          (drv3 (build-expression->derivation %store "drv-to-remap"
 865                                              '(let ((in (assoc-ref
 866                                                          %build-inputs "in")))
 867                                                 (copy-file in %output))
 868                                              #:inputs `(("in" ,drv1))
 869                                              #:guile-for-build joke))
 870          (drv4 (map-derivation %store drv3 `((,drv1 . ,drv2)
 871                                              (,joke . ,good))))
 872          (out  (derivation->output-path drv4)))
 873     (and (build-derivations %store (list (pk 'remapped drv4)))
 874          (call-with-input-file out get-string-all))))
 875
 876 (test-equal "map-derivation, sources"
 877   "hello"
 878   (let* ((script1   (add-text-to-store %store "fail.sh" "exit 1"))
 879          (script2   (add-text-to-store %store "hi.sh" "echo -n hello > $out"))
 880          (bash-full (package-derivation %store (@ (gnu packages bash) bash)))
 881          (drv1      (derivation %store "drv-to-remap"
 882
 883                                 ;; XXX: This wouldn't work in practice, but if
 884                                 ;; we append "/bin/bash" then we can't replace
 885                                 ;; it with the bootstrap bash, which is a
 886                                 ;; single file.
 887                                 (derivation->output-path bash-full)
 888
 889                                 `("-e" ,script1)
 890                                 #:inputs `((,bash-full) (,script1))))
 891          (drv2      (map-derivation %store drv1
 892                                     `((,bash-full . ,%bash)
 893                                       (,script1 . ,script2))))
 894          (out       (derivation->output-path drv2)))
 895     (and (build-derivations %store (list (pk 'remapped* drv2)))
 896          (call-with-input-file out get-string-all))))
 897
 898 (test-end)
 899
 900 \f
 901 (exit (= (test-runner-fail-count (test-runner-current)) 0))