aboutsummaryrefslogtreecommitdiff
path: root/tests/gexp.scm
blob: 4860a8e79c108aa18fb6c26f052fc5795f7ead07 (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
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 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-gexp)
  #:use-module (guix store)
  #:use-module (guix monads)
  #:use-module (guix gexp)
  #:use-module (guix derivations)
  #:use-module (guix packages)
  #:use-module (guix tests)
  #:use-module (gnu packages)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bootstrap)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-34)
  #:use-module (srfi srfi-64)
  #:use-module (rnrs io ports)
  #:use-module (ice-9 match)
  #:use-module (ice-9 regex)
  #:use-module (ice-9 popen))

;; Test the (guix gexp) module.

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

;; For white-box testing.
(define (gexp-inputs x)
  ((@@ (guix gexp) gexp-inputs) x))
(define (gexp-native-inputs x)
  ((@@ (guix gexp) gexp-native-inputs) x))
(define (gexp-outputs x)
  ((@@ (guix gexp) gexp-outputs) x))
(define (gexp->sexp . x)
  (apply (@@ (guix gexp) gexp->sexp) x))

(define* (gexp->sexp* exp #:optional target)
  (run-with-store %store (gexp->sexp exp
                                     #:target target)
                  #:guile-for-build (%guile-for-build)))

(define-syntax-rule (test-assertm name exp)
  (test-assert name
    (run-with-store %store exp
                    #:guile-for-build (%guile-for-build))))


(test-begin "gexp")

(test-equal "no refs"
  '(display "hello!")
  (let ((exp (gexp (display "hello!"))))
    (and (gexp? exp)
         (null? (gexp-inputs exp))
         (gexp->sexp* exp))))

(test-equal "unquote"
  '(display `(foo ,(+ 2 3)))
  (let ((exp (gexp (display `(foo ,(+ 2 3))))))
    (and (gexp? exp)
         (null? (gexp-inputs exp))
         (gexp->sexp* exp))))

(test-assert "one input package"
  (let ((exp (gexp (display (ungexp coreutils)))))
    (and (gexp? exp)
         (match (gexp-inputs exp)
           (((p "out"))
            (eq? p coreutils)))
         (equal? `(display ,(derivation->output-path
                             (package-derivation %store coreutils)))
                 (gexp->sexp* exp)))))

(test-assert "one input origin"
  (let ((exp (gexp (display (ungexp (package-source coreutils))))))
    (and (gexp? exp)
         (match (gexp-inputs exp)
           (((o "out"))
            (eq? o (package-source coreutils))))
         (equal? `(display ,(derivation->output-path
                             (package-source-derivation
                              %store (package-source coreutils))))
                 (gexp->sexp* exp)))))

(test-assert "one local file"
  (let* ((file  (search-path %load-path "guix.scm"))
         (local (local-file file))
         (exp   (gexp (display (ungexp local))))
         (intd  (add-to-store %store (basename file) #f
                              "sha256" file)))
    (and (gexp? exp)
         (match (gexp-inputs exp)
           (((x "out"))
            (eq? x local)))
         (equal? `(display ,intd) (gexp->sexp* exp)))))

(test-assert "one local file, symlink"
  (let ((file (search-path %load-path "guix.scm"))
        (link (tmpnam)))
    (dynamic-wind
      (const #t)
      (lambda ()
        (symlink (canonicalize-path file) link)
        (let* ((local (local-file link "my-file" #:recursive? #f))
               (exp   (gexp (display (ungexp local))))
               (intd  (add-to-store %store "my-file" #f
                                    "sha256" file)))
          (and (gexp? exp)
               (match (gexp-inputs exp)
                 (((x "out"))
                  (eq? x local)))
               (equal? `(display ,intd) (gexp->sexp* exp)))))
      (lambda ()
        (false-if-exception (delete-file link))))))

(test-assert "one plain file"
  (let* ((file     (plain-file "hi" "Hello, world!"))
         (exp      (gexp (display (ungexp file))))
         (expected (add-text-to-store %store "hi" "Hello, world!")))
    (and (gexp? exp)
         (match (gexp-inputs exp)
           (((x "out"))
            (eq? x file)))
         (equal? `(display ,expected) (gexp->sexp* exp)))))

(test-assert "same input twice"
  (let ((exp (gexp (begin
                     (display (ungexp coreutils))
                     (display (ungexp coreutils))))))
    (and (gexp? exp)
         (match (gexp-inputs exp)
           (((p "out"))
            (eq? p coreutils)))
         (let ((e `(display ,(derivation->output-path
                              (package-derivation %store coreutils)))))
           (equal? `(begin ,e ,e) (gexp->sexp* exp))))))

(test-assert "two input packages, one derivation, one file"
  (let* ((drv (build-expression->derivation
               %store "foo" 'bar
               #:guile-for-build (package-derivation %store %bootstrap-guile)))
         (txt (add-text-to-store %store "foo" "Hello, world!"))
         (exp (gexp (begin
                      (display (ungexp coreutils))
                      (display (ungexp %bootstrap-guile))
                      (display (ungexp drv))
                      (display (ungexp txt))))))
    (define (match-input thing)
      (match-lambda
       ((drv-or-pkg _ ...)
        (eq? thing drv-or-pkg))))

    (and (gexp? exp)
         (= 4 (length (gexp-inputs exp)))
         (every (lambda (input)
                  (find (match-input input) (gexp-inputs exp)))
                (list drv coreutils %bootstrap-guile txt))
         (let ((e0 `(display ,(derivation->output-path
                               (package-derivation %store coreutils))))
               (e1 `(display ,(derivation->output-path
                               (package-derivation %store %bootstrap-guile))))
               (e2 `(display ,(derivation->output-path drv)))
               (e3 `(display ,txt)))
           (equal? `(begin ,e0 ,e1 ,e2 ,e3) (gexp->sexp* exp))))))

(test-assert "ungexp + ungexp-native"
  (let* ((exp    (gexp (list (ungexp-native %bootstrap-guile)
                             (ungexp coreutils)
                             (ungexp-native glibc)
                             (ungexp binutils))))
         (target "mips64el-linux")
         (guile  (derivation->output-path
                  (package-derivation %store %bootstrap-guile)))
         (cu     (derivation->output-path
                  (package-cross-derivation %store coreutils target)))
         (libc   (derivation->output-path
                  (package-derivation %store glibc)))
         (bu     (derivation->output-path
                  (package-cross-derivation %store binutils target))))
    (and (lset= equal?
                `((,%bootstrap-guile "out") (,glibc "out"))
                (gexp-native-inputs exp))
         (lset= equal?
                `((,coreutils "out") (,binutils "out"))
                (gexp-inputs exp))
         (equal? `(list ,guile ,cu ,libc ,bu)
                 (gexp->sexp* exp target)))))

(test-equal "ungexp + ungexp-native, nested"
  (list `((,%bootstrap-guile "out")) '<> `((,coreutils "out")))
  (let* ((exp (gexp (list (ungexp-native (gexp (ungexp coreutils)))
                          (ungexp %bootstrap-guile)))))
    (list (gexp-inputs exp) '<> (gexp-native-inputs exp))))

(test-assert "input list"
  (let ((exp   (gexp (display
                      '(ungexp (list %bootstrap-guile coreutils)))))
        (guile (derivation->output-path
                (package-derivation %store %bootstrap-guile)))
        (cu    (derivation->output-path
                (package-derivation %store coreutils))))
    (and (lset= equal?
                `((,%bootstrap-guile "out") (,coreutils "out"))
                (gexp-inputs exp))
         (equal? `(display '(,guile ,cu))
                 (gexp->sexp* exp)))))

(test-assert "input list + ungexp-native"
  (let* ((target "mips64el-linux")
         (exp   (gexp (display
                       (cons '(ungexp-native (list %bootstrap-guile coreutils))
                             '(ungexp (list glibc binutils))))))
         (guile (derivation->output-path
                 (package-derivation %store %bootstrap-guile)))
         (cu    (derivation->output-path
                 (package-derivation %store coreutils)))
         (xlibc (derivation->output-path
                 (package-cross-derivation %store glibc target)))
         (xbu   (derivation->output-path
                 (package-cross-derivation %store binutils target))))
    (and (lset= equal?
                `((,%bootstrap-guile "out") (,coreutils "out"))
                (gexp-native-inputs exp))
         (lset= equal?
                `((,glibc "out") (,binutils "out"))
                (gexp-inputs exp))
         (equal? `(display (cons '(,guile ,cu) '(,xlibc ,xbu)))
                 (gexp->sexp* exp target)))))

(test-assert "input list splicing"
  (let* ((inputs  (list (gexp-input glibc "debug") %bootstrap-guile))
         (outputs (list (derivation->output-path
                         (package-derivation %store glibc)
                         "debug")
                        (derivation->output-path
                         (package-derivation %store %bootstrap-guile))))
         (exp     (gexp (list (ungexp-splicing (cons (+ 2 3) inputs))))))
    (and (lset= equal?
                `((,glibc "debug") (,%bootstrap-guile "out"))
                (gexp-inputs exp))
         (equal? (gexp->sexp* exp)
                 `(list ,@(cons 5 outputs))))))

(test-assert "input list splicing + ungexp-native-splicing"
  (let* ((inputs (list (gexp-input glibc "debug") %bootstrap-guile))
         (exp    (gexp (list (ungexp-native-splicing (cons (+ 2 3) inputs))))))
    (and (lset= equal?
                `((,glibc "debug") (,%bootstrap-guile "out"))
                (gexp-native-inputs exp))
         (null? (gexp-inputs exp))
         (equal? (gexp->sexp* exp)                ;native
                 (gexp->sexp* exp "mips64el-linux")))))

(test-equal "output list"
  2
  (let ((exp (gexp (begin (mkdir (ungexp output))
                          (mkdir (ungexp output "bar"))))))
    (length (gexp-outputs exp))))                ;XXX: <output-ref> is private

(test-assert "output list, combined gexps"
  (let* ((exp0  (gexp (mkdir (ungexp output))))
         (exp1  (gexp (mkdir (ungexp output "foo"))))
         (exp2  (gexp (begin (display "hi!") (ungexp exp0) (ungexp exp1)))))
    (and (lset= equal?
                (append (gexp-outputs exp0) (gexp-outputs exp1))
                (gexp-outputs exp2))
         (= 2 (length (gexp-outputs exp2))))))

(test-equal "output list, combined gexps, duplicate output"
  1
  (let* ((exp0 (gexp (mkdir (ungexp output))))
         (exp1 (gexp (begin (mkdir (ungexp output)) (ungexp exp0))))
         (exp2 (gexp (begin (mkdir (ungexp output)) (ungexp exp1)))))
    (length (gexp-outputs exp2))))

(test-assert "output list + ungexp-splicing list, combined gexps"
  (let* ((exp0  (gexp (mkdir (ungexp output))))
         (exp1  (gexp (mkdir (ungexp output "foo"))))
         (exp2  (gexp (begin (display "hi!")
                             (ungexp-splicing (list exp0 exp1))))))
    (and (lset= equal?
                (append (gexp-outputs exp0) (gexp-outputs exp1))
                (gexp-outputs exp2))
         (= 2 (length (gexp-outputs exp2))))))

(test-assertm "gexp->file"
  (mlet* %store-monad ((exp -> (gexp (display (ungexp %bootstrap-guile))))
                       (guile  (package-file %bootstrap-guile))
                       (sexp   (gexp->sexp exp))
                       (drv    (gexp->file "foo" exp))
                       (out -> (derivation->output-path drv))
                       (done   (built-derivations (list drv)))
                       (refs   ((store-lift references) out)))
    (return (and (equal? sexp (call-with-input-file out read))
                 (equal? (list guile) refs)))))

(test-assertm "gexp->derivation"
  (mlet* %store-monad ((file    (text-file "foo" "Hello, world!"))
                       (exp ->  (gexp
                                 (begin
                                   (mkdir (ungexp output))
                                   (chdir (ungexp output))
                                   (symlink
                                    (string-append (ungexp %bootstrap-guile)
                                                   "/bin/guile")
                                    "foo")
                                   (symlink (ungexp file)
                                            (ungexp output "2nd")))))
                       (drv     (gexp->derivation "foo" exp))
                       (out ->  (derivation->output-path drv))
                       (out2 -> (derivation->output-path drv "2nd"))
                       (done    (built-derivations (list drv)))
                       (refs    ((store-lift references) out))
                       (refs2   ((store-lift references) out2))
                       (guile   (package-file %bootstrap-guile "bin/guile")))
    (return (and (string=? (readlink (string-append out "/foo")) guile)
                 (string=? (readlink out2) file)
                 (equal? refs (list (dirname (dirname guile))))
                 (equal? refs2 (list file))))))

(test-assertm "gexp->derivation vs. grafts"
  (mlet* %store-monad ((p0 ->   (dummy-package "dummy"
                                               (arguments
                                                '(#:implicit-inputs? #f))))
                       (r  ->   (package (inherit p0) (name "DuMMY")))
                       (p1 ->   (package (inherit p0) (replacement r)))
                       (exp0 -> (gexp (frob (ungexp p0) (ungexp output))))
                       (exp1 -> (gexp (frob (ungexp p1) (ungexp output))))
                       (void    (set-guile-for-build %bootstrap-guile))
                       (drv0    (gexp->derivation "t" exp0))
                       (drv1    (gexp->derivation "t" exp1))
                       (drv1*   (gexp->derivation "t" exp1 #:graft? #f)))
    (return (and (not (string=? (derivation->output-path drv0)
                                (derivation->output-path drv1)))
                 (string=? (derivation->output-path drv0)
                           (derivation->output-path drv1*))))))

(test-assertm "gexp->derivation, composed gexps"
  (mlet* %store-monad ((exp0 -> (gexp (begin
                                        (mkdir (ungexp output))
                                        (chdir (ungexp output)))))
                       (exp1 -> (gexp (symlink
                                       (string-append (ungexp %bootstrap-guile)
                                                      "/bin/guile")
                                       "foo")))
                       (exp  -> (gexp (begin (ungexp exp0) (ungexp exp1))))
                       (drv     (gexp->derivation "foo" exp))
                       (out ->  (derivation->output-path drv))
                       (done    (built-derivations (list drv)))
                       (guile   (package-file %bootstrap-guile "bin/guile")))
    (return (string=? (readlink (string-append out "/foo"))
                      guile))))

(test-assertm "gexp->derivation, default system"
  ;; The default system should be the one at '>>=' time, not the one at
  ;; invocation time.  See <http://bugs.gnu.org/18002>.
  (let ((system (%current-system))
        (mdrv   (parameterize ((%current-system "foobar64-linux"))
                  (gexp->derivation "foo"
                                    (gexp
                                     (mkdir (ungexp output)))))))
    (mlet %store-monad ((drv mdrv))
      (return (string=? system (derivation-system drv))))))

(test-assertm "gexp->derivation, local-file"
  (mlet* %store-monad ((file ->  (search-path %load-path "guix.scm"))
                       (intd     (interned-file file #:recursive? #f))
                       (local -> (local-file file))
                       (exp ->   (gexp (begin
                                         (stat (ungexp local))
                                         (symlink (ungexp local)
                                                  (ungexp output)))))
                       (drv      (gexp->derivation "local-file" exp)))
    (mbegin %store-monad
      (built-derivations (list drv))
      (return (string=? (readlink (derivation->output-path drv))
                        intd)))))

(test-assertm "gexp->derivation, cross-compilation"
  (mlet* %store-monad ((target -> "mips64el-linux")
                       (exp    -> (gexp (list (ungexp coreutils)
                                              (ungexp output))))
                       (xdrv      (gexp->derivation "foo" exp
                                                    #:target target))
                       (refs      ((store-lift references)
                                   (derivation-file-name xdrv)))
                       (xcu       (package->cross-derivation coreutils
                                                             target))
                       (cu        (package->derivation coreutils)))
    (return (and (member (derivation-file-name xcu) refs)
                 (not (member (derivation-file-name cu) refs))))))

(test-assertm "gexp->derivation, ungexp-native"
  (mlet* %store-monad ((target -> "mips64el-linux")
                       (exp    -> (gexp (list (ungexp-native coreutils)
                                              (ungexp output))))
                       (xdrv      (gexp->derivation "foo" exp
                                                    #:target target))
                       (drv       (gexp->derivation "foo" exp)))
    (return (string=? (derivation-file-name drv)
                      (derivation-file-name xdrv)))))

(test-assertm "gexp->derivation, ungexp + ungexp-native"
  (mlet* %store-monad ((target -> "mips64el-linux")
                       (exp    -> (gexp (list (ungexp-native coreutils)
                                              (ungexp glibc)
                                              (ungexp output))))
                       (xdrv      (gexp->derivation "foo" exp
                                                    #:target target))
                       (refs      ((store-lift references)
                                   (derivation-file-name xdrv)))
                       (xglibc    (package->cross-derivation glibc target))
                       (cu        (package->derivation coreutils)))
    (return (and (member (derivation-file-name cu) refs)
                 (member (derivation-file-name xglibc) refs)))))

(test-assertm "gexp->derivation, ungexp-native + composed gexps"
  (mlet* %store-monad ((target -> "mips64el-linux")
                       (exp0   -> (gexp (list 1 2
                                              (ungexp coreutils))))
                       (exp    -> (gexp (list 0 (ungexp-native exp0))))
                       (xdrv      (gexp->derivation "foo" exp
                                                    #:target target))
                       (drv       (gexp->derivation "foo" exp)))
    (return (string=? (derivation-file-name drv)
                      (derivation-file-name xdrv)))))

(test-assertm "gexp->derivation, store copy"
  (let ((build-one #~(call-with-output-file #$output
                       (lambda (port)
                         (display "This is the one." port))))
        (build-two (lambda (one)
                     #~(begin
                         (mkdir #$output)
                         (symlink #$one (string-append #$output "/one"))
                         (call-with-output-file (string-append #$output "/two")
                           (lambda (port)
                             (display "This is the second one." port))))))
        (build-drv #~(begin
                       (use-modules (guix build store-copy))

                       (mkdir #$output)
                       (populate-store '("graph") #$output))))
    (mlet* %store-monad ((one (gexp->derivation "one" build-one))
                         (two (gexp->derivation "two" (build-two one)))
                         (drv (gexp->derivation "store-copy" build-drv
                                                #:references-graphs
                                                `(("graph" ,two))
                                                #:modules
                                                '((guix build store-copy)
                                                  (guix build utils))))
                         (ok? (built-derivations (list drv)))
                         (out -> (derivation->output-path drv)))
      (let ((one (derivation->output-path one))
            (two (derivation->output-path two)))
        (return (and ok?
                     (file-exists? (string-append out "/" one))
                     (file-exists? (string-append out "/" two))
                     (file-exists? (string-append out "/" two "/two"))
                     (string=? (readlink (string-append out "/" two "/one"))
                               one)))))))

(test-assertm "imported-files"
  (mlet* %store-monad
      ((files -> `(("x"     . ,(search-path %load-path "ice-9/q.scm"))
                   ("a/b/c" . ,(search-path %load-path
                                            "guix/derivations.scm"))
                   ("p/q"   . ,(search-path %load-path "guix.scm"))
                   ("p/z"   . ,(search-path %load-path "guix/store.scm"))))
       (drv (imported-files files)))
    (mbegin %store-monad
      (built-derivations (list drv))
      (let ((dir (derivation->output-path drv)))
        (return
         (every (match-lambda
                 ((path . source)
                  (equal? (call-with-input-file (string-append dir "/" path)
                            get-bytevector-all)
                          (call-with-input-file source
                            get-bytevector-all))))
                files))))))

(test-assertm "gexp->derivation #:modules"
  (mlet* %store-monad
      ((build ->  #~(begin
                      (use-modules (guix build utils))
                      (mkdir-p (string-append #$output "/guile/guix/nix"))
                      #t))
       (drv       (gexp->derivation "test-with-modules" build
                                    #:modules '((guix build utils)))))
    (mbegin %store-monad
      (built-derivations (list drv))
      (let* ((p (derivation->output-path drv))
             (s (stat (string-append p "/guile/guix/nix"))))
        (return (eq? (stat:type s) 'directory))))))

(test-assertm "gexp->derivation #:references-graphs"
  (mlet* %store-monad
      ((one (text-file "one" (random-text)))
       (two (gexp->derivation "two"
                              #~(symlink #$one #$output:chbouib)))
       (drv (gexp->derivation "ref-graphs"
                              #~(begin
                                  (use-modules (guix build store-copy))
                                  (with-output-to-file #$output
                                    (lambda ()
                                      (write (call-with-input-file "guile"
                                               read-reference-graph))))
                                  (with-output-to-file #$output:one
                                    (lambda ()
                                      (write (call-with-input-file "one"
                                               read-reference-graph))))
                                  (with-output-to-file #$output:two
                                    (lambda ()
                                      (write (call-with-input-file "two"
                                               read-reference-graph)))))
                              #:references-graphs `(("one" ,one)
                                                    ("two" ,two "chbouib")
                                                    ("guile" ,%bootstrap-guile))
                              #:modules '((guix build store-copy)
                                          (guix build utils))))
       (ok? (built-derivations (list drv)))
       (guile-drv  (package->derivation %bootstrap-guile))
       (bash       (interned-file (search-bootstrap-binary "bash"
                                                           (%current-system))
                                  "bash" #:recursive? #t))
       (g-one   -> (derivation->output-path drv "one"))
       (g-two   -> (derivation->output-path drv "two"))
       (g-guile -> (derivation->output-path drv)))
    (return (and ok?
                 (equal? (call-with-input-file g-one read) (list one))
                 (lset= string=?
                        (call-with-input-file g-two read)
                        (list one (derivation->output-path two "chbouib")))

                 ;; Note: %BOOTSTRAP-GUILE depends on the bootstrap Bash.
                 (lset= string=?
                        (call-with-input-file g-guile read)
                        (list (derivation->output-path guile-drv) bash))))))

(test-assertm "gexp->derivation #:allowed-references"
  (mlet %store-monad ((drv (gexp->derivation "allowed-refs"
                                             #~(begin
                                                 (mkdir #$output)
                                                 (chdir #$output)
                                                 (symlink #$output "self")
                                                 (symlink #$%bootstrap-guile
                                                          "guile"))
                                             #:allowed-references
                                             (list "out" %bootstrap-guile))))
    (built-derivations (list drv))))

(test-assertm "gexp->derivation #:allowed-references, specific output"
  (mlet* %store-monad ((in  (gexp->derivation "thing"
                                              #~(begin
                                                  (mkdir #$output:ok)
                                                  (mkdir #$output:not-ok))))
                       (drv (gexp->derivation "allowed-refs"
                                              #~(begin
                                                  (pk #$in:not-ok)
                                                  (mkdir #$output)
                                                  (chdir #$output)
                                                  (symlink #$output "self")
                                                  (symlink #$in:ok "ok"))
                                              #:allowed-references
                                              (list "out"
                                                    (gexp-input in "ok")))))
    (built-derivations (list drv))))

(test-assert "gexp->derivation #:allowed-references, disallowed"
  (let ((drv (run-with-store %store
               (gexp->derivation "allowed-refs"
                                 #~(begin
                                     (mkdir #$output)
                                     (chdir #$output)
                                     (symlink #$%bootstrap-guile "guile"))
                                 #:allowed-references '()))))
    (guard (c ((nix-protocol-error? c) #t))
      (build-derivations %store (list drv))
      #f)))

(define shebang
  (string-append "#!" (derivation->output-path (%guile-for-build))
                 "/bin/guile --no-auto-compile"))

;; If we're going to hit the silly shebang limit (128 chars on Linux-based
;; systems), then skip the following test.
(test-skip (if (> (string-length shebang) 127) 1 0))

(test-assertm "gexp->script"
  (mlet* %store-monad ((n ->   (random (expt 2 50)))
                       (exp -> (gexp
                                (system*
                                 (string-append (ungexp %bootstrap-guile)
                                                "/bin/guile")
                                 "-c" (object->string
                                       '(display (expt (ungexp n) 2))))))
                       (drv    (gexp->script "guile-thing" exp
                                             #:guile %bootstrap-guile))
                       (out -> (derivation->output-path drv))
                       (done   (built-derivations (list drv))))
    (let* ((pipe  (open-input-pipe out))
           (str   (get-string-all pipe)))
      (return (and (zero? (close-pipe pipe))
                   (= (expt n 2) (string->number str)))))))

(test-assertm "program-file"
  (let* ((n      (random (expt 2 50)))
         (exp    (gexp (begin
                         (use-modules (guix build utils))
                         (display (ungexp n)))))
         (file   (program-file "program" exp
                               #:modules '((guix build utils))
                               #:guile %bootstrap-guile)))
    (mlet* %store-monad ((drv (lower-object file))
                         (out -> (derivation->output-path drv)))
      (mbegin %store-monad
        (built-derivations (list drv))
        (let* ((pipe  (open-input-pipe out))
               (str   (get-string-all pipe)))
          (return (and (zero? (close-pipe pipe))
                       (= n (string->number str)))))))))

(test-assertm "scheme-file"
  (let* ((text   (plain-file "foo" "Hello, world!"))
         (scheme (scheme-file "bar" #~(list "foo" #$text))))
    (mlet* %store-monad ((drv  (lower-object scheme))
                         (text (lower-object text))
                         (out -> (derivation->output-path drv)))
      (mbegin %store-monad
        (built-derivations (list drv))
        (mlet %store-monad ((refs ((store-lift references) out)))
          (return (and (equal? refs (list text))
                       (equal? `(list "foo" ,text)
                               (call-with-input-file out read)))))))))

(test-assert "text-file*"
  (let ((references (store-lift references)))
    (run-with-store %store
      (mlet* %store-monad
          ((drv  (package->derivation %bootstrap-guile))
           (guile -> (derivation->output-path drv))
           (file (text-file "bar" "This is bar."))
           (text (text-file* "foo"
                             %bootstrap-guile "/bin/guile "
                             (gexp-input %bootstrap-guile "out") "/bin/guile "
                             drv "/bin/guile "
                             file))
           (done (built-derivations (list text)))
           (out -> (derivation->output-path text))
           (refs (references out)))
        ;; Make sure we get the right references and the right content.
        (return (and (lset= string=? refs (list guile file))
                     (equal? (call-with-input-file out get-string-all)
                             (string-append guile "/bin/guile "
                                            guile "/bin/guile "
                                            guile "/bin/guile "
                                            file)))))
      #:guile-for-build (package-derivation %store %bootstrap-guile))))

(test-assertm "mixed-text-file"
  (mlet* %store-monad ((file ->   (mixed-text-file "mixed"
                                                   "export PATH="
                                                   %bootstrap-guile "/bin"))
                       (drv       (lower-object file))
                       (out ->    (derivation->output-path drv))
                       (guile-drv (package->derivation %bootstrap-guile))
                       (guile ->  (derivation->output-path guile-drv)))
    (mbegin %store-monad
      (built-derivations (list drv))
      (mlet %store-monad ((refs ((store-lift references) out)))
        (return (and (string=? (string-append "export PATH=" guile "/bin")
                               (call-with-input-file out get-string-all))
                     (equal? refs (list guile))))))))

(test-assert "gexp->derivation vs. %current-target-system"
  (let ((mval (gexp->derivation "foo"
                                #~(begin
                                    (mkdir #$output)
                                    (foo #+gnu-make))
                                #:target #f)))
    ;; The value of %CURRENT-TARGET-SYSTEM at bind-time should have no
    ;; influence.
    (parameterize ((%current-target-system "fooooo"))
      (derivation? (run-with-store %store mval)))))

(test-assertm "lower-object"
  (mlet %store-monad ((drv1 (lower-object %bootstrap-guile))
                      (drv2 (lower-object (package-source coreutils)))
                      (item (lower-object (plain-file "foo" "Hello!"))))
    (return (and (derivation? drv1) (derivation? drv2)
                 (store-path? item)))))

(test-assertm "lower-object, computed-file"
  (let* ((text     (plain-file "foo" "Hello!"))
         (exp      #~(begin
                       (mkdir #$output)
                       (symlink #$%bootstrap-guile
                                (string-append #$output "/guile"))
                       (symlink #$text (string-append #$output "/text"))))
         (computed (computed-file "computed" exp)))
    (mlet* %store-monad ((text      (lower-object text))
                         (guile-drv (lower-object %bootstrap-guile))
                         (comp-drv  (lower-object computed))
                         (comp ->   (derivation->output-path comp-drv)))
      (mbegin %store-monad
        (built-derivations (list comp-drv))
        (return (and (string=? (readlink (string-append comp "/guile"))
                               (derivation->output-path guile-drv))
                     (string=? (readlink (string-append comp "/text"))
                               text)))))))

(test-assert "printer"
  (string-match "^#<gexp \\(string-append .*#<package coreutils.*\
 \"/bin/uname\"\\) [[:xdigit:]]+>$"
                (with-output-to-string
                  (lambda ()
                    (write
                     (gexp (string-append (ungexp coreutils)
                                          "/bin/uname")))))))

(test-assert "printer vs. ungexp-splicing"
  (string-match "^#<gexp .* [[:xdigit:]]+>$"
                (with-output-to-string
                  (lambda ()
                    ;; #~(begin #$@#~())
                    (write
                     (gexp (begin (ungexp-splicing (gexp ())))))))))

(test-equal "sugar"
  '(gexp (foo (ungexp bar) (ungexp baz "out")
              (ungexp (chbouib 42))
              (ungexp-splicing (list x y z))
              (ungexp-native foo) (ungexp-native foo "out")
              (ungexp-native (chbouib 42))
              (ungexp-native-splicing (list x y z))))
  '#~(foo #$bar #$baz:out #$(chbouib 42) #$@(list x y z)
          #+foo #+foo:out #+(chbouib 42) #+@(list x y z)))

(test-end "gexp")

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

;; Local Variables:
;; eval: (put 'test-assertm 'scheme-indent-function 1)
;; End: