aboutsummaryrefslogtreecommitdiff
path: root/tests/store.scm
blob: de070eab23d50fecc44601b30eedead09cd672c4 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (test-store)
  #:use-module (guix tests)
  #:use-module (guix store)
  #:use-module (guix utils)
  #:use-module (guix monads)
  #:use-module (guix hash)
  #:use-module (guix base32)
  #:use-module (guix packages)
  #:use-module (guix derivations)
  #:use-module (guix serialization)
  #:use-module (guix build utils)
  #:use-module (guix gexp)
  #:use-module (gnu packages)
  #:use-module (gnu packages bootstrap)
  #:use-module (ice-9 match)
  #:use-module (rnrs bytevectors)
  #:use-module (rnrs io ports)
  #:use-module (web uri)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-11)
  #:use-module (srfi srfi-26)
  #:use-module (srfi srfi-34)
  #:use-module (srfi srfi-64))

;; Test the (guix store) module.

(define %store
  (open-connection-for-tests))


(test-begin "store")

(test-equal "store-path-hash-part"
  "283gqy39v3g9dxjy26rynl0zls82fmcg"
  (store-path-hash-part
   (string-append (%store-prefix)
                  "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))

(test-equal "store-path-hash-part #f"
  #f
  (store-path-hash-part
   (string-append (%store-prefix)
                  "/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))

(test-equal "store-path-package-name"
  "guile-2.0.7"
  (store-path-package-name
   (string-append (%store-prefix)
                  "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7")))

(test-equal "store-path-package-name #f"
  #f
  (store-path-package-name
   "/foo/bar/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))

(test-assert "direct-store-path?"
  (and (direct-store-path?
        (string-append (%store-prefix)
                       "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7"))
       (not (direct-store-path?
             (string-append
              (%store-prefix)
              "/283gqy39v3g9dxjy26rynl0zls82fmcg-guile-2.0.7/bin/guile")))
       (not (direct-store-path? (%store-prefix)))))

(test-skip (if %store 0 13))

(test-assert "valid-path? live"
  (let ((p (add-text-to-store %store "hello" "hello, world")))
    (valid-path? %store p)))

(test-assert "valid-path? false"
  (not (valid-path? %store
                    (string-append (%store-prefix) "/"
                                   (make-string 32 #\e) "-foobar"))))

(test-assert "valid-path? error"
  (with-store s
    (guard (c ((nix-protocol-error? c) #t))
      (valid-path? s "foo")
      #f)))

(test-assert "valid-path? recovery"
  ;; Prior to Nix commit 51800e0 (18 Mar. 2014), the daemon would immediately
  ;; close the connection after receiving a 'valid-path?' RPC with a non-store
  ;; file name.  See
  ;; <http://article.gmane.org/gmane.linux.distributions.nixos/12411> for
  ;; details.
  (with-store s
    (let-syntax ((true-if-error (syntax-rules ()
                                  ((_ exp)
                                   (guard (c ((nix-protocol-error? c) #t))
                                     exp #f)))))
      (and (true-if-error (valid-path? s "foo"))
           (true-if-error (valid-path? s "bar"))
           (true-if-error (valid-path? s "baz"))
           (true-if-error (valid-path? s "chbouib"))
           (valid-path? s (add-text-to-store s "valid" "yeah"))))))

(test-assert "hash-part->path"
  (let ((p (add-text-to-store %store "hello" "hello, world")))
    (equal? (hash-part->path %store (store-path-hash-part p))
            p)))

(test-assert "dead-paths"
  (let ((p (add-text-to-store %store "random-text" (random-text))))
    (->bool (member p (dead-paths %store)))))

;; FIXME: Find a test for `live-paths'.
;;
;; (test-assert "temporary root is in live-paths"
;;   (let* ((p1 (add-text-to-store %store "random-text"
;;                                 (random-text) '()))
;;          (b  (add-text-to-store %store "link-builder"
;;                                 (format #f "echo ~a > $out" p1)
;;                                 '()))
;;          (d1 (derivation %store "link"
;;                          "/bin/sh" `("-e" ,b)
;;                          #:inputs `((,b) (,p1))))
;;          (p2 (derivation->output-path d1)))
;;     (and (add-temp-root %store p2)
;;          (build-derivations %store (list d1))
;;          (valid-path? %store p1)
;;          (member (pk p2) (live-paths %store)))))

(test-assert "permanent root"
  (let* ((p  (with-store store
               (let ((p (add-text-to-store store "random-text"
                                           (random-text))))
                 (add-permanent-root p)
                 (add-permanent-root p)           ; should not throw
                 p))))
    (and (member p (live-paths %store))
         (begin
           (remove-permanent-root p)
           (->bool (member p (dead-paths %store)))))))

(test-assert "dead path can be explicitly collected"
  (let ((p (add-text-to-store %store "random-text"
                              (random-text) '())))
    (let-values (((paths freed) (delete-paths %store (list p))))
      (and (equal? paths (list p))
           (> freed 0)
           (not (file-exists? p))))))

(test-assert "add-text-to-store vs. delete-paths"
  ;; Before, 'add-text-to-store' would return PATH2 without noticing that it
  ;; is no longer valid.
  (with-store store
    (let* ((text    (random-text))
           (path    (add-text-to-store store "delete-me" text))
           (deleted (delete-paths store (list path)))
           (path2   (add-text-to-store store "delete-me" text)))
      (and (string=? path path2)
           (equal? deleted (list path))
           (valid-path? store path)
           (file-exists? path)))))

(test-assert "add-to-store vs. delete-paths"
  ;; Same as above.
  (with-store store
    (let* ((file    (search-path %load-path "guix.scm"))
           (path    (add-to-store store "delete-me" #t "sha256" file))
           (deleted (delete-paths store (list path)))
           (path2   (add-to-store store "delete-me" #t "sha256" file)))
      (and (string=? path path2)
           (equal? deleted (list path))
           (valid-path? store path)
           (file-exists? path)))))

(test-assert "references"
  (let* ((t1 (add-text-to-store %store "random1"
                                (random-text)))
         (t2 (add-text-to-store %store "random2"
                                (random-text) (list t1))))
    (and (equal? (list t1) (references %store t2))
         (equal? (list t2) (referrers %store t1))
         (null? (references %store t1))
         (null? (referrers %store t2)))))

(test-assert "requisites"
  (let* ((t1 (add-text-to-store %store "random1"
                                (random-text) '()))
         (t2 (add-text-to-store %store "random2"
                                (random-text) (list t1)))
         (t3 (add-text-to-store %store "random3"
                                (random-text) (list t2)))
         (t4 (add-text-to-store %store "random4"
                                (random-text) (list t1 t3))))
    (define (same? x y)
      (and (= (length x) (length y))
           (lset= equal? x y)))

    (and (same? (requisites %store t1) (list t1))
         (same? (requisites %store t2) (list t1 t2))
         (same? (requisites %store t3) (list t1 t2 t3))
         (same? (requisites %store t4) (list t1 t2 t3 t4)))))

(test-assert "derivers"
  (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
         (s (add-to-store %store "bash" #t "sha256"
                          (search-bootstrap-binary "bash"
                                                   (%current-system))))
         (d (derivation %store "the-thing"
                        s `("-e" ,b)
                        #:env-vars `(("foo" . ,(random-text)))
                        #:inputs `((,b) (,s))))
         (o (derivation->output-path d)))
    (and (build-derivations %store (list d))
         (equal? (query-derivation-outputs %store (derivation-file-name d))
                 (list o))
         (equal? (valid-derivers %store o)
                 (list (derivation-file-name d))))))

(test-assert "topologically-sorted, one item"
  (let* ((a (add-text-to-store %store "a" "a"))
         (b (add-text-to-store %store "b" "b" (list a)))
         (c (add-text-to-store %store "c" "c" (list b)))
         (d (add-text-to-store %store "d" "d" (list c)))
         (s (topologically-sorted %store (list d))))
    (equal? s (list a b c d))))

(test-assert "topologically-sorted, several items"
  (let* ((a  (add-text-to-store %store "a" "a"))
         (b  (add-text-to-store %store "b" "b" (list a)))
         (c  (add-text-to-store %store "c" "c" (list b)))
         (d  (add-text-to-store %store "d" "d" (list c)))
         (s1 (topologically-sorted %store (list d a c b)))
         (s2 (topologically-sorted %store (list b d c a b d))))
    (equal? s1 s2 (list a b c d))))

(test-assert "topologically-sorted, more difficult"
  (let* ((a  (add-text-to-store %store "a" "a"))
         (b  (add-text-to-store %store "b" "b" (list a)))
         (c  (add-text-to-store %store "c" "c" (list b)))
         (d  (add-text-to-store %store "d" "d" (list c)))
         (w  (add-text-to-store %store "w" "w"))
         (x  (add-text-to-store %store "x" "x" (list w)))
         (y  (add-text-to-store %store "y" "y" (list x d)))
         (s1 (topologically-sorted %store (list y)))
         (s2 (topologically-sorted %store (list c y)))
         (s3 (topologically-sorted %store (cons y (references %store y)))))
    ;; The order in which 'references' returns the references of Y is
    ;; unspecified, so accommodate.
    (let* ((x-then-d? (equal? (references %store y) (list x d))))
      (and (equal? s1
                   (if x-then-d?
                       (list w x a b c d y)
                       (list a b c d w x y)))
           (equal? s2
                   (if x-then-d?
                       (list a b c w x d y)
                       (list a b c d w x y)))
           (lset= string=? s1 s3)))))

(test-assert "current-build-output-port, UTF-8"
  ;; Are UTF-8 strings in the build log properly interpreted?
  (string-contains
   (with-fluids ((%default-port-encoding "UTF-8")) ;for the string port
     (call-with-output-string
      (lambda (port)
        (parameterize ((current-build-output-port port))
          (let* ((s "Here’s a Greek letter: λ.")
                 (d (build-expression->derivation
                     %store "foo" `(display ,s)
                     #:guile-for-build
                     (package-derivation s %bootstrap-guile (%current-system)))))
            (guard (c ((nix-protocol-error? c) #t))
              (build-derivations %store (list d))))))))
   "Here’s a Greek letter: λ."))

(test-assert "current-build-output-port, UTF-8 + garbage"
  ;; What about a mixture of UTF-8 + garbage?
  (string-contains
   (with-fluids ((%default-port-encoding "UTF-8")) ;for the string port
     (call-with-output-string
      (lambda (port)
        (parameterize ((current-build-output-port port))
          (let ((d (build-expression->derivation
                    %store "foo"
                    `(begin
                       (use-modules (rnrs io ports))
                       (display "garbage: ")
                       (put-bytevector (current-output-port) #vu8(128))
                       (display "lambda: λ\n"))
                     #:guile-for-build
                     (package-derivation %store %bootstrap-guile))))
            (guard (c ((nix-protocol-error? c) #t))
              (build-derivations %store (list d))))))))
   "garbage: ?lambda: λ"))

(test-assert "log-file, derivation"
  (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
         (s (add-to-store %store "bash" #t "sha256"
                          (search-bootstrap-binary "bash"
                                                   (%current-system))))
         (d (derivation %store "the-thing"
                        s `("-e" ,b)
                        #:env-vars `(("foo" . ,(random-text)))
                        #:inputs `((,b) (,s)))))
    (and (build-derivations %store (list d))
         (file-exists? (pk (log-file %store (derivation-file-name d)))))))

(test-assert "log-file, output file name"
  (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
         (s (add-to-store %store "bash" #t "sha256"
                          (search-bootstrap-binary "bash"
                                                   (%current-system))))
         (d (derivation %store "the-thing"
                        s `("-e" ,b)
                        #:env-vars `(("foo" . ,(random-text)))
                        #:inputs `((,b) (,s))))
         (o (derivation->output-path d)))
    (and (build-derivations %store (list d))
         (file-exists? (pk (log-file %store o)))
         (string=? (log-file %store (derivation-file-name d))
                   (log-file %store o)))))

(test-assert "no substitutes"
  (with-store s
    (let* ((d1 (package-derivation s %bootstrap-guile (%current-system)))
           (d2 (package-derivation s %bootstrap-glibc (%current-system)))
           (o  (map derivation->output-path (list d1 d2))))
      (set-build-options s #:use-substitutes? #f)
      (and (not (has-substitutes? s (derivation-file-name d1)))
           (not (has-substitutes? s (derivation-file-name d2)))
           (null? (substitutable-paths s o))
           (null? (substitutable-path-info s o))))))

(test-assert "build-things with output path"
  (with-store s
    (let* ((c   (random-text))                    ;contents of the output
           (d   (build-expression->derivation
                 s "substitute-me"
                 `(call-with-output-file %output
                    (lambda (p)
                      (display ,c p)))
                 #:guile-for-build
                 (package-derivation s %bootstrap-guile (%current-system))))
           (o   (derivation->output-path d)))
      (set-build-options s #:use-substitutes? #f)

      ;; Pass 'build-things' the output file name, O.  However, since there
      ;; are no substitutes for O, it will just do nothing.
      (build-things s (list o))
      (not (valid-path? s o)))))

(test-skip (if (getenv "GUIX_BINARY_SUBSTITUTE_URL") 0 1))

(test-assert "substitute query"
  (with-store s
    (let* ((d (package-derivation s %bootstrap-guile (%current-system)))
           (o (derivation->output-path d)))
      ;; Create fake substituter data, to be read by 'guix substitute'.
      (with-derivation-narinfo d
        ;; Remove entry from the local cache.
        (false-if-exception
         (delete-file-recursively (string-append (getenv "XDG_CACHE_HOME")
                                                 "/guix/substitute")))

        ;; Make sure 'guix substitute' correctly communicates the above
        ;; data.
        (set-build-options s #:use-substitutes? #t
                           #:substitute-urls (%test-substitute-urls))
        (and (has-substitutes? s o)
             (equal? (list o) (substitutable-paths s (list o)))
             (match (pk 'spi (substitutable-path-info s (list o)))
               (((? substitutable? s))
                (and (string=? (substitutable-deriver s)
                               (derivation-file-name d))
                     (null? (substitutable-references s))
                     (equal? (substitutable-nar-size s) 1234)))))))))

(test-assert "substitute query, alternating URLs"
  (let* ((d (with-store s
              (package-derivation s %bootstrap-guile (%current-system))))
         (o (derivation->output-path d)))
    (with-derivation-narinfo d
      ;; Remove entry from the local cache.
      (false-if-exception
       (delete-file-recursively (string-append (getenv "XDG_CACHE_HOME")
                                               "/guix/substitute")))

      ;; Note: We reconnect to the daemon to force a new instance of 'guix
      ;; substitute' to be used; otherwise the #:substitute-urls of
      ;; 'set-build-options' would have no effect.

      (and (with-store s                        ;the right substitute URL
             (set-build-options s #:use-substitutes? #t
                                #:substitute-urls (%test-substitute-urls))
             (has-substitutes? s o))
           (with-store s                        ;the wrong one
             (set-build-options s #:use-substitutes? #t
                                #:substitute-urls (list
                                                   "http://does-not-exist"))
             (not (has-substitutes? s o)))
           (with-store s                        ;the right one again
             (set-build-options s #:use-substitutes? #t
                                #:substitute-urls (%test-substitute-urls))
             (has-substitutes? s o))))))

(test-assert "substitute"
  (with-store s
    (let* ((c   (random-text))                     ; contents of the output
           (d   (build-expression->derivation
                 s "substitute-me"
                 `(call-with-output-file %output
                    (lambda (p)
                      (exit 1)                     ; would actually fail
                      (display ,c p)))
                 #:guile-for-build
                 (package-derivation s %bootstrap-guile (%current-system))))
           (o   (derivation->output-path d)))
      (with-derivation-substitute d c
        (set-build-options s #:use-substitutes? #t
                           #:substitute-urls (%test-substitute-urls))
        (and (has-substitutes? s o)
             (build-derivations s (list d))
             (equal? c (call-with-input-file o get-string-all)))))))

(test-assert "substitute + build-things with output path"
  (with-store s
    (let* ((c   (random-text))                    ;contents of the output
           (d   (build-expression->derivation
                 s "substitute-me"
                 `(call-with-output-file %output
                    (lambda (p)
                      (exit 1)                    ;would actually fail
                      (display ,c p)))
                 #:guile-for-build
                 (package-derivation s %bootstrap-guile (%current-system))))
           (o   (derivation->output-path d)))
      (with-derivation-substitute d c
        (set-build-options s #:use-substitutes? #t
                           #:substitute-urls (%test-substitute-urls))
        (and (has-substitutes? s o)
             (build-things s (list o))            ;give the output path
             (valid-path? s o)
             (equal? c (call-with-input-file o get-string-all)))))))

(test-assert "substitute, corrupt output hash"
  ;; Tweak the substituter into installing a substitute whose hash doesn't
  ;; match the one announced in the narinfo.  The daemon must notice this and
  ;; raise an error.
  (with-store s
    (let* ((c   "hello, world")                    ; contents of the output
           (d   (build-expression->derivation
                 s "corrupt-substitute"
                 `(mkdir %output)
                 #:guile-for-build
                 (package-derivation s %bootstrap-guile (%current-system))))
           (o   (derivation->output-path d)))
      (with-derivation-substitute d c
        (sha256 => (make-bytevector 32 0)) ;select a hash that doesn't match C

        ;; Make sure we use 'guix substitute'.
        (set-build-options s
                           #:use-substitutes? #t
                           #:fallback? #f
                           #:substitute-urls (%test-substitute-urls))
        (and (has-substitutes? s o)
             (guard (c ((nix-protocol-error? c)
                        ;; XXX: the daemon writes "hash mismatch in downloaded
                        ;; path", but the actual error returned to the client
                        ;; doesn't mention that.
                        (pk 'corrupt c)
                        (not (zero? (nix-protocol-error-status c)))))
               (build-derivations s (list d))
               #f))))))

(test-assert "substitute --fallback"
  (with-store s
    (let* ((t   (random-text))                    ; contents of the output
           (d   (build-expression->derivation
                 s "substitute-me-not"
                 `(call-with-output-file %output
                    (lambda (p)
                      (display ,t p)))
                 #:guile-for-build
                 (package-derivation s %bootstrap-guile (%current-system))))
           (o   (derivation->output-path d)))
      ;; Create fake substituter data, to be read by 'guix substitute'.
      (with-derivation-narinfo d
        ;; Make sure we use 'guix substitute'.
        (set-build-options s #:use-substitutes? #t
                           #:substitute-urls (%test-substitute-urls))
        (and (has-substitutes? s o)
             (guard (c ((nix-protocol-error? c)
                        ;; The substituter failed as expected.  Now make
                        ;; sure that #:fallback? #t works correctly.
                        (set-build-options s
                                           #:use-substitutes? #t
                                           #:substitute-urls
                                             (%test-substitute-urls)
                                           #:fallback? #t)
                        (and (build-derivations s (list d))
                             (equal? t (call-with-input-file o
                                         get-string-all)))))
               ;; Should fail.
               (build-derivations s (list d))
               #f))))))

(test-assert "export/import several paths"
  (let* ((texts (unfold (cut >= <> 10)
                        (lambda _ (random-text))
                        1+
                        0))
         (files (map (cut add-text-to-store %store "text" <>) texts))
         (dump  (call-with-bytevector-output-port
                 (cut export-paths %store files <>))))
    (delete-paths %store files)
    (and (every (negate file-exists?) files)
         (let* ((source   (open-bytevector-input-port dump))
                (imported (import-paths %store source)))
           (and (equal? imported files)
                (every file-exists? files)
                (equal? texts
                        (map (lambda (file)
                               (call-with-input-file file
                                 get-string-all))
                             files)))))))

(test-assert "export/import paths, ensure topological order"
  (let* ((file0 (add-text-to-store %store "baz" (random-text)))
         (file1 (add-text-to-store %store "foo" (random-text)
                                   (list file0)))
         (file2 (add-text-to-store %store "bar" (random-text)
                                   (list file1)))
         (files (list file1 file2))
         (dump1 (call-with-bytevector-output-port
                 (cute export-paths %store (list file1 file2) <>)))
         (dump2 (call-with-bytevector-output-port
                 (cute export-paths %store (list file2 file1) <>))))
    (delete-paths %store files)
    (and (every (negate file-exists?) files)
         (bytevector=? dump1 dump2)
         (let* ((source   (open-bytevector-input-port dump1))
                (imported (import-paths %store source)))
           ;; DUMP1 should contain exactly FILE1 and FILE2, not FILE0.
           (and (equal? imported (list file1 file2))
                (every file-exists? files)
                (equal? (list file0) (references %store file1))
                (equal? (list file1) (references %store file2)))))))

(test-assert "export/import incomplete"
  (let* ((file0 (add-text-to-store %store "baz" (random-text)))
         (file1 (add-text-to-store %store "foo" (random-text)
                                   (list file0)))
         (file2 (add-text-to-store %store "bar" (random-text)
                                   (list file1)))
         (dump  (call-with-bytevector-output-port
                 (cute export-paths %store (list file2) <>))))
    (delete-paths %store (list file0 file1 file2))
    (guard (c ((nix-protocol-error? c)
               (and (not (zero? (nix-protocol-error-status c)))
                    (string-contains (nix-protocol-error-message c)
                                     "not valid"))))
      ;; Here we get an exception because DUMP does not include FILE0 and
      ;; FILE1, which are dependencies of FILE2.
      (import-paths %store (open-bytevector-input-port dump)))))

(test-assert "export/import recursive"
  (let* ((file0 (add-text-to-store %store "baz" (random-text)))
         (file1 (add-text-to-store %store "foo" (random-text)
                                   (list file0)))
         (file2 (add-text-to-store %store "bar" (random-text)
                                   (list file1)))
         (dump  (call-with-bytevector-output-port
                 (cute export-paths %store (list file2) <>
                       #:recursive? #t))))
    (delete-paths %store (list file0 file1 file2))
    (let ((imported (import-paths %store (open-bytevector-input-port dump))))
      (and (equal? imported (list file0 file1 file2))
           (every file-exists? (list file0 file1 file2))
           (equal? (list file0) (references %store file1))
           (equal? (list file1) (references %store file2))))))

(test-assert "write-file & export-path yield the same result"
  ;; Here we compare 'write-file' and the daemon's own implementation.
  ;; 'write-file' is the reference because we know it sorts file
  ;; deterministically.  Conversely, the daemon uses 'readdir' and the entries
  ;; currently happen to be sorted as a side-effect of some unrelated
  ;; operation (search for 'unhacked' in archive.cc.)  Make sure we detect any
  ;; changes there.
  (run-with-store %store
    (mlet* %store-monad ((drv1 (package->derivation %bootstrap-guile))
                         (out1 -> (derivation->output-path drv1))
                         (data -> (unfold (cut >= <> 26)
                                          (lambda (i)
                                            (random-bytevector 128))
                                          1+ 0))
                         (build
                          -> #~(begin
                                 (use-modules (rnrs io ports) (srfi srfi-1))
                                 (let ()
                                   (define letters
                                     (map (lambda (i)
                                            (string
                                             (integer->char
                                              (+ i (char->integer #\a)))))
                                          (iota 26)))
                                   (define (touch file data)
                                     (call-with-output-file file
                                       (lambda (port)
                                         (put-bytevector port data))))

                                   (mkdir #$output)
                                   (chdir #$output)

                                   ;; The files must be different so they have
                                   ;; different inode numbers, and the inode
                                   ;; order must differ from the lexicographic
                                   ;; order.
                                   (for-each touch
                                             (append (drop letters 10)
                                                     (take letters 10))
                                             (list #$@data))
                                   #t)))
                         (drv2 (gexp->derivation "bunch" build))
                         (out2 -> (derivation->output-path drv2))
                         (item-info -> (store-lift query-path-info)))
      (mbegin %store-monad
        (built-derivations (list drv1 drv2))
        (foldm %store-monad
               (lambda (item result)
                 (define ref-hash
                   (let-values (((port get) (open-sha256-port)))
                     (write-file item port)
                     (close-port port)
                     (get)))

                 ;; 'query-path-info' returns a hash produced by using the
                 ;; daemon's C++ 'dump' function, which is the implementation
                 ;; under test.
                 (>>= (item-info item)
                      (lambda (info)
                        (return
                         (and result
                              (bytevector=? (path-info-hash info) ref-hash))))))
               #t
               (list out1 out2))))
    #:guile-for-build (%guile-for-build)))

(test-assert "import corrupt path"
  (let* ((text (random-text))
         (file (add-text-to-store %store "text" text))
         (dump (call-with-bytevector-output-port
                (cut export-paths %store (list file) <>))))
    (delete-paths %store (list file))

    ;; Flip a bit in the stream's payload.
    (let* ((index (quotient (bytevector-length dump) 4))
           (byte  (bytevector-u8-ref dump index)))
      (bytevector-u8-set! dump index (logxor #xff byte)))

    (and (not (file-exists? file))
         (guard (c ((nix-protocol-error? c)
                    (pk 'c c)
                    (and (not (zero? (nix-protocol-error-status c)))
                         (string-contains (nix-protocol-error-message c)
                                          "corrupt"))))
           (let* ((source   (open-bytevector-input-port dump))
                  (imported (import-paths %store source)))
             (pk 'corrupt-imported imported)
             #f)))))

(test-assert "register-path"
  (let ((file (string-append (%store-prefix) "/" (make-string 32 #\f)
                             "-fake")))
    (when (valid-path? %store file)
      (delete-paths %store (list file)))
    (false-if-exception (delete-file file))

    (let ((ref (add-text-to-store %store "ref-of-fake" (random-text)))
          (drv (string-append file ".drv")))
      (call-with-output-file file
        (cut display "This is a fake store item.\n" <>))
      (register-path file
                     #:references (list ref)
                     #:deriver drv)

      (and (valid-path? %store file)
           (equal? (references %store file) (list ref))
           (null? (valid-derivers %store file))
           (null? (referrers %store file))))))

(test-assert "verify-store"
  (let* ((text  (random-text))
         (file1 (add-text-to-store %store "foo" text))
         (file2 (add-text-to-store %store "bar" (random-text)
                                   (list file1))))
    (and (pk 'verify1 (verify-store %store))    ;hopefully OK ;
         (begin
           (delete-file file1)
           (not (pk 'verify2 (verify-store %store)))) ;bad! ;
         (begin
           ;; Using 'add-text-to-store' here wouldn't work: It would succeed ;
           ;; without actually creating the file. ;
           (call-with-output-file file1
             (lambda (port)
               (display text port)))
           (pk 'verify3 (verify-store %store)))))) ;OK again

(test-assert "verify-store + check-contents"
  ;; XXX: This test is I/O intensive.
  (with-store s
    (let* ((text (random-text))
           (drv  (build-expression->derivation
                  s "corrupt"
                  `(let ((out (assoc-ref %outputs "out")))
                     (call-with-output-file out
                       (lambda (port)
                         (display ,text port)))
                     #t)
                  #:guile-for-build
                  (package-derivation s %bootstrap-guile (%current-system))))
           (file (derivation->output-path drv)))
      (with-derivation-substitute drv text
        (and (build-derivations s (list drv))
             (verify-store s #:check-contents? #t) ;should be OK
             (begin
               (chmod file #o644)
               (call-with-output-file file
                 (lambda (port)
                   (display "corrupt!" port)))
               #t)

             ;; Make sure the corruption is detected.  We don't test repairing
             ;; because only "trusted" users are allowed to do it, but we
             ;; don't expose that notion of trusted users that nix-daemon
             ;; supports because it seems dubious and redundant with what the
             ;; OS provides (in Nix "trusted" users have additional
             ;; privileges, such as overriding the set of substitute URLs, but
             ;; we instead want to allow anyone to modify them, provided
             ;; substitutes are signed by a root-approved key.)
             (not (verify-store s #:check-contents? #t))

             ;; Delete the corrupt item to leave the store in a clean state.
             (delete-paths s (list file)))))))

(test-assert "build-things, check mode"
  (with-store store
    (call-with-temporary-output-file
     (lambda (entropy entropy-port)
       (write (random-text) entropy-port)
       (force-output entropy-port)
       (let* ((drv  (build-expression->derivation
                     store "non-deterministic"
                     `(begin
                        (use-modules (rnrs io ports))
                        (let ((out (assoc-ref %outputs "out")))
                          (call-with-output-file out
                            (lambda (port)
                              ;; Rely on the fact that tests do not use the
                              ;; chroot, and thus ENTROPY is readable.
                              (display (call-with-input-file ,entropy
                                         get-string-all)
                                       port)))
                          #t))
                     #:guile-for-build
                     (package-derivation store %bootstrap-guile (%current-system))))
              (file (derivation->output-path drv)))
         (and (build-things store (list (derivation-file-name drv)))
              (begin
                (write (random-text) entropy-port)
                (force-output entropy-port)
                (guard (c ((nix-protocol-error? c)
                           (pk 'determinism-exception c)
                           (and (not (zero? (nix-protocol-error-status c)))
                                (string-contains (nix-protocol-error-message c)
                                                 "deterministic"))))
                  ;; This one will produce a different result.  Since we're in
                  ;; 'check' mode, this must fail.
                  (build-things store (list (derivation-file-name drv))
                                (build-mode check))
                  #f))))))))

(test-assert "build multiple times"
  (with-store store
    ;; Ask to build twice.
    (set-build-options store #:rounds 2 #:use-substitutes? #f)

    (call-with-temporary-output-file
     (lambda (entropy entropy-port)
       (write (random-text) entropy-port)
       (force-output entropy-port)
       (let* ((drv  (build-expression->derivation
                     store "non-deterministic"
                     `(begin
                        (use-modules (rnrs io ports))
                        (let ((out (assoc-ref %outputs "out")))
                          (call-with-output-file out
                            (lambda (port)
                              ;; Rely on the fact that tests do not use the
                              ;; chroot, and thus ENTROPY is accessible.
                              (display (call-with-input-file ,entropy
                                         get-string-all)
                                       port)
                              (call-with-output-file ,entropy
                                (lambda (port)
                                  (write 'foobar port)))))
                          #t))
                     #:guile-for-build
                     (package-derivation store %bootstrap-guile (%current-system))))
              (file (derivation->output-path drv)))
         (guard (c ((nix-protocol-error? c)
                    (pk 'multiple-build c)
                    (and (not (zero? (nix-protocol-error-status c)))
                         (string-contains (nix-protocol-error-message c)
                                          "deterministic"))))
           ;; This one will produce a different result on the second run.
           (current-build-output-port (current-error-port))
           (build-things store (list (derivation-file-name drv)))
           #f))))))

(test-equal "store-lower"
  "Lowered."
  (let* ((add  (store-lower text-file))
         (file (add %store "foo" "Lowered.")))
    (call-with-input-file file get-string-all)))

(test-equal "current-system"
  "bar"
  (parameterize ((%current-system "frob"))
    (run-with-store %store
      (mbegin %store-monad
        (set-current-system "bar")
        (current-system))
      #:system "foo")))

(test-assert "query-path-info"
  (let* ((ref (add-text-to-store %store "ref" "foo"))
         (item (add-text-to-store %store "item" "bar" (list ref)))
         (info (query-path-info %store item)))
    (and (equal? (path-info-references info) (list ref))
         (equal? (path-info-hash info)
                 (sha256
                  (string->utf8
                   (call-with-output-string (cut write-file item <>))))))))

(test-assert "path-info-deriver"
  (let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
         (s (add-to-store %store "bash" #t "sha256"
                          (search-bootstrap-binary "bash"
                                                   (%current-system))))
         (d (derivation %store "the-thing"
                        s `("-e" ,b)
                        #:env-vars `(("foo" . ,(random-text)))
                        #:inputs `((,b) (,s))))
         (o (derivation->output-path d)))
    (and (build-derivations %store (list d))
         (not (path-info-deriver (query-path-info %store b)))
         (string=? (derivation-file-name d)
                   (path-info-deriver (query-path-info %store o))))))

(test-end "store")


(exit (= (test-runner-fail-count (test-runner-current)) 0))