[jackhill/guix/guix.git] / tests / gexp.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 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)
                #:select (package-derivation %current-system))
  #:use-module (gnu packages)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bootstrap)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-64)
  #:use-module (rnrs io ports)
  #:use-module (ice-9 match)
  #:use-module (ice-9 popen))

;; Test the (guix gexp) module.

(define %store
  (open-connection))

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

(define guile-for-build
  (package-derivation %store %bootstrap-guile))

;; Make it the default.
(%guile-for-build guile-for-build)

(define (gexp->sexp* exp)
  (run-with-store %store (gexp->sexp exp)
                  #: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)))

\f
(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 "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 "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 splicing"
  (let* ((inputs  (list (list 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-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, 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->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-equal "sugar"
  '(gexp (foo (ungexp bar) (ungexp baz "out")
              (ungexp (chbouib 42))
              (ungexp-splicing (list x y z))))
  '#~(foo #$bar #$baz:out #$(chbouib 42) #$@(list x y z)))

(test-end "gexp")

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

;; Local Variables:
;; eval: (put 'test-assertm 'scheme-indent-function 1)
;; End:
Commit	Line	Data
21b679f6 LC	1	;;; GNU Guix --- Functional package management for GNU
	2	;;; Copyright © 2014 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-gexp)
	20	#:use-module (guix store)
	21	#:use-module (guix monads)
	22	#:use-module (guix gexp)
	23	#:use-module (guix derivations)
	24	#:use-module ((guix packages)
	25	#:select (package-derivation %current-system))
	26	#:use-module (gnu packages)
	27	#:use-module (gnu packages base)
	28	#:use-module (gnu packages bootstrap)
	29	#:use-module (srfi srfi-1)
	30	#:use-module (srfi srfi-64)
	31	#:use-module (rnrs io ports)
	32	#:use-module (ice-9 match)
	33	#:use-module (ice-9 popen))
	34
	35	;; Test the (guix gexp) module.
	36
	37	(define %store
	38	(open-connection))
	39
	40	;; For white-box testing.
	41	(define gexp-inputs (@@ (guix gexp) gexp-inputs))
	42	(define gexp->sexp (@@ (guix gexp) gexp->sexp))
	43
	44	(define guile-for-build
	45	(package-derivation %store %bootstrap-guile))
	46
	47	;; Make it the default.
	48	(%guile-for-build guile-for-build)
	49
	50	(define (gexp->sexp* exp)
	51	(run-with-store %store (gexp->sexp exp)
	52	#:guile-for-build guile-for-build))
	53
	54	(define-syntax-rule (test-assertm name exp)
	55	(test-assert name
	56	(run-with-store %store exp
	57	#:guile-for-build guile-for-build)))
	58
	59	\f
	60	(test-begin "gexp")
	61
	62	(test-equal "no refs"
	63	'(display "hello!")
	64	(let ((exp (gexp (display "hello!"))))
65	(and (gexp? exp)
66	(null? (gexp-inputs exp))
67	(gexp->sexp* exp))))
68
69	(test-equal "unquote"
70	'(display `(foo ,(+ 2 3)))
71	(let ((exp (gexp (display `(foo ,(+ 2 3))))))
72	(and (gexp? exp)
73	(null? (gexp-inputs exp))
74	(gexp->sexp* exp))))
75
76	(test-assert "one input package"
77	(let ((exp (gexp (display (ungexp coreutils)))))
78	(and (gexp? exp)
79	(match (gexp-inputs exp)
80	(((p "out"))
81	(eq? p coreutils)))
82	(equal? `(display ,(derivation->output-path
83	(package-derivation %store coreutils)))
84	(gexp->sexp* exp)))))
85
86	(test-assert "same input twice"
87	(let ((exp (gexp (begin
88	(display (ungexp coreutils))
89	(display (ungexp coreutils))))))
90	(and (gexp? exp)
91	(match (gexp-inputs exp)
92	(((p "out"))
93	(eq? p coreutils)))
94	(let ((e `(display ,(derivation->output-path
95	(package-derivation %store coreutils)))))
96	(equal? `(begin ,e ,e) (gexp->sexp* exp))))))
97
98	(test-assert "two input packages, one derivation, one file"
99	(let* ((drv (build-expression->derivation
100	%store "foo" 'bar
101	#:guile-for-build (package-derivation %store %bootstrap-guile)))
102	(txt (add-text-to-store %store "foo" "Hello, world!"))
103	(exp (gexp (begin
104	(display (ungexp coreutils))
105	(display (ungexp %bootstrap-guile))
106	(display (ungexp drv))
107	(display (ungexp txt))))))
108	(define (match-input thing)
109	(match-lambda
110	((drv-or-pkg _ ...)
111	(eq? thing drv-or-pkg))))
112
113	(and (gexp? exp)
114	(= 4 (length (gexp-inputs exp)))
115	(every (lambda (input)
116	(find (match-input input) (gexp-inputs exp)))
117	(list drv coreutils %bootstrap-guile txt))
118	(let ((e0 `(display ,(derivation->output-path
119	(package-derivation %store coreutils))))
120	(e1 `(display ,(derivation->output-path
121	(package-derivation %store %bootstrap-guile))))
122	(e2 `(display ,(derivation->output-path drv)))
123	(e3 `(display ,txt)))
124	(equal? `(begin ,e0 ,e1 ,e2 ,e3) (gexp->sexp* exp))))))
125
126	(test-assert "input list"
127	(let ((exp (gexp (display
128	'(ungexp (list %bootstrap-guile coreutils)))))
129	(guile (derivation->output-path
130	(package-derivation %store %bootstrap-guile)))
131	(cu (derivation->output-path
132	(package-derivation %store coreutils))))
133	(and (lset= equal?
134	`((,%bootstrap-guile "out") (,coreutils "out"))
135	(gexp-inputs exp))
136	(equal? `(display '(,guile ,cu))
137	(gexp->sexp* exp)))))
138
139	(test-assert "input list splicing"
140	(let* ((inputs (list (list glibc "debug") %bootstrap-guile))
141	(outputs (list (derivation->output-path
142	(package-derivation %store glibc)
143	"debug")
144	(derivation->output-path
145	(package-derivation %store %bootstrap-guile))))
146	(exp (gexp (list (ungexp-splicing (cons (+ 2 3) inputs))))))
147	(and (lset= equal?
148	`((,glibc "debug") (,%bootstrap-guile "out"))
149	(gexp-inputs exp))
150	(equal? (gexp->sexp* exp)
151	`(list ,@(cons 5 outputs))))))
152
153	(test-assertm "gexp->file"
154	(mlet* %store-monad ((exp -> (gexp (display (ungexp %bootstrap-guile))))
155	(guile (package-file %bootstrap-guile))
156	(sexp (gexp->sexp exp))
157	(drv (gexp->file "foo" exp))
158	(out -> (derivation->output-path drv))
159	(done (built-derivations (list drv)))
160	(refs ((store-lift references) out)))
161	(return (and (equal? sexp (call-with-input-file out read))
162	(equal? (list guile) refs)))))
163
164	(test-assertm "gexp->derivation"
165	(mlet* %store-monad ((file (text-file "foo" "Hello, world!"))
166	(exp -> (gexp
167	(begin
168	(mkdir (ungexp output))
169	(chdir (ungexp output))
170	(symlink
171	(string-append (ungexp %bootstrap-guile)
172	"/bin/guile")
173	"foo")
174	(symlink (ungexp file)
175	(ungexp output "2nd")))))
176	(drv (gexp->derivation "foo" exp))
177	(out -> (derivation->output-path drv))
178	(out2 -> (derivation->output-path drv "2nd"))
179	(done (built-derivations (list drv)))
180	(refs ((store-lift references) out))
181	(refs2 ((store-lift references) out2))
182	(guile (package-file %bootstrap-guile "bin/guile")))
183	(return (and (string=? (readlink (string-append out "/foo")) guile)
184	(string=? (readlink out2) file)
185	(equal? refs (list (dirname (dirname guile))))
186	(equal? refs2 (list file))))))
187
188	(test-assertm "gexp->derivation, composed gexps"
189	(mlet* %store-monad ((exp0 -> (gexp (begin
190	(mkdir (ungexp output))
191	(chdir (ungexp output)))))
192	(exp1 -> (gexp (symlink
193	(string-append (ungexp %bootstrap-guile)
194	"/bin/guile")
195	"foo")))
196	(exp -> (gexp (begin (ungexp exp0) (ungexp exp1))))
197	(drv (gexp->derivation "foo" exp))
198	(out -> (derivation->output-path drv))
199	(done (built-derivations (list drv)))
200	(guile (package-file %bootstrap-guile "bin/guile")))
201	(return (string=? (readlink (string-append out "/foo"))
202	guile))))
203
204	(test-assertm "gexp->script"
205	(mlet* %store-monad ((n -> (random (expt 2 50)))
206	(exp -> (gexp
207	(system*
208	(string-append (ungexp %bootstrap-guile)
209	"/bin/guile")
210	"-c" (object->string
211	'(display (expt (ungexp n) 2))))))
212	(drv (gexp->script "guile-thing" exp
213	#:guile %bootstrap-guile))
214	(out -> (derivation->output-path drv))
215	(done (built-derivations (list drv))))
216	(let* ((pipe (open-input-pipe out))
217	(str (get-string-all pipe)))
218	(return (and (zero? (close-pipe pipe))
219	(= (expt n 2) (string->number str)))))))
220
221	(test-equal "sugar"
222	'(gexp (foo (ungexp bar) (ungexp baz "out")
223	(ungexp (chbouib 42))
224	(ungexp-splicing (list x y z))))
225	'#~(foo #$bar #$baz:out #$(chbouib 42) #$@(list x y z)))
226
227	(test-end "gexp")
228
229	\f
230	(exit (= (test-runner-fail-count (test-runner-current)) 0))
231
232	;; Local Variables:
233	;; eval: (put 'test-assertm 'scheme-indent-function 1)
234	;; End: