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;;; 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)
#: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 regex)
#: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)))
(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 "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->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))))))
(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-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 #$@#~())
(write
(gexp (begin (ungexp-splicing (gexp ())))))))))
(test-equal "sugar"
'(gexp (foo (ungexp bar) (ungexp baz "out")
(ungexp (chbouib 42))
(ungexp-splicing (list x y z))))
'#~(foo #$bar #$baz:out #$(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:
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