Mirror of GNU Guix
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 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-records)
#:use-module (srfi srfi-64)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (guix records))
(define (test-module)
;; A module in which to evaluate things that are known to fail.
(let ((module (make-fresh-user-module)))
(module-use! module (resolve-interface '(guix records)))
module))
(test-begin "records")
(test-assert "define-record-type*"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar)
(baz foo-baz (default (+ 40 2))))
(and (match (foo (bar 1) (baz 2))
(($ <foo> 1 2) #t))
(match (foo (baz 2) (bar 1))
(($ <foo> 1 2) #t))
(match (foo (bar 1))
(($ <foo> 1 42) #t)))))
(test-assert "define-record-type* with let* behavior"
;; Make sure field initializers can refer to each other as if they were in
;; a 'let*'.
(begin
(define-record-type* <bar> bar make-bar
foo?
(x bar-x)
(y bar-y (default (+ 40 2)))
(z bar-z))
(and (match (bar (x 1) (y (+ x 1)) (z (* y 2)))
(($ <bar> 1 2 4) #t))
(match (bar (x 7) (z (* x 3)))
(($ <bar> 7 42 21)))
(match (bar (z 21) (x (/ z 3)))
(($ <bar> 7 42 21) #t)))))
(test-assert "define-record-type* & inherit"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar)
(baz foo-baz (default (+ 40 2))))
(let* ((a (foo (bar 1)))
(b (foo (inherit a) (baz 2)))
(c (foo (inherit b) (bar -2)))
(d (foo (inherit c)))
(e (foo (inherit (foo (bar 42))) (baz 77))))
(and (match a (($ <foo> 1 42) #t))
(match b (($ <foo> 1 2) #t))
(match c (($ <foo> -2 2) #t))
(equal? c d)
(match e (($ <foo> 42 77) #t))))))
(test-assert "define-record-type* & inherit & let* behavior"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar)
(baz foo-baz (default (+ 40 2))))
(let* ((a (foo (bar 77)))
(b (foo (inherit a) (bar 1) (baz (+ bar 1))))
(c (foo (inherit b) (baz 2) (bar (- baz 1)))))
(and (match a (($ <foo> 77 42) #t))
(match b (($ <foo> 1 2) #t))
(equal? b c)))))
(test-assert "define-record-type* & thunked"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar)
(baz foo-baz (thunked)))
(let* ((calls 0)
(x (foo (bar 2)
(baz (begin (set! calls (1+ calls)) 3)))))
(and (zero? calls)
(equal? (foo-bar x) 2)
(equal? (foo-baz x) 3) (= 1 calls)
(equal? (foo-baz x) 3) (= 2 calls)))))
(test-assert "define-record-type* & thunked & default"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar)
(baz foo-baz (thunked) (default 42)))
(let ((mark (make-parameter #f)))
(let ((x (foo (bar 2) (baz (mark))))
(y (foo (bar 2))))
(and (equal? (foo-bar x) 2)
(parameterize ((mark (cons 'a 'b)))
(eq? (foo-baz x) (mark)))
(equal? (foo-bar y) 2)
(equal? (foo-baz y) 42))))))
(test-assert "define-record-type* & thunked & inherited"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (thunked))
(baz foo-baz (thunked) (default 42)))
(let ((mark (make-parameter #f)))
(let* ((x (foo (bar 2) (baz (mark))))
(y (foo (inherit x) (bar (mark)))))
(and (equal? (foo-bar x) 2)
(parameterize ((mark (cons 'a 'b)))
(eq? (foo-baz x) (mark)))
(parameterize ((mark (cons 'a 'b)))
(eq? (foo-bar y) (mark)))
(parameterize ((mark (cons 'a 'b)))
(eq? (foo-baz y) (mark))))))))
(test-assert "define-record-type* & delayed"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (delayed)))
(let* ((calls 0)
(x (foo (bar (begin (set! calls (1+ calls)) 3)))))
(and (zero? calls)
(equal? (foo-bar x) 3) (= 1 calls)
(equal? (foo-bar x) 3) (= 1 calls)
(equal? (foo-bar x) 3) (= 1 calls)))))
(test-assert "define-record-type* & delayed & default"
(let ((mark #f))
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (delayed) (default mark)))
(let ((x (foo)))
(set! mark 42)
(and (equal? (foo-bar x) 42)
(begin
(set! mark 7)
(equal? (foo-bar x) 42))))))
(test-assert "define-record-type* & delayed & inherited"
(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (delayed))
(baz foo-baz (delayed)))
(let* ((m 1)
(n #f)
(x (foo (bar m) (baz n)))
(y (foo (inherit x) (baz 'b))))
(set! n 'a)
(and (equal? (foo-bar x) 1)
(eq? (foo-baz x) 'a)
(begin
(set! m 777)
(equal? (foo-bar y) 1)) ;promise was already forced
(eq? (foo-baz y) 'b)))))
(test-assert "define-record-type* & missing initializers"
(catch 'syntax-error
(lambda ()
(eval '(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (default 42))
(baz foo-baz))
(foo))
(test-module))
#f)
(lambda (key proc message location form . args)
(and (eq? proc 'foo)
(string-match "missing .*initialize.*baz" message)
(equal? form '(foo))))))
(test-assert "define-record-type* & extra initializers"
(catch 'syntax-error
(lambda ()
(eval '(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (default 42)))
(foo (baz 'what?)))
(test-module))
#f)
(lambda (key proc message location form . args)
(and (string-match "extra.*initializer.*baz" message)
(eq? proc 'foo)))))
(test-assert "define-record-type* & inherit & extra initializers"
(catch 'syntax-error
(lambda ()
(eval '(begin
(define-record-type* <foo> foo make-foo
foo?
(bar foo-bar (default 42)))
(foo (inherit (foo)) (baz 'what?)))
(test-module))
#f)
(lambda (key proc message location form . args)
(and (string-match "extra.*initializer.*baz" message)
(eq? proc 'foo)))))
(test-equal "recutils->alist"
'((("Name" . "foo")
("Version" . "0.1")
("Synopsis" . "foo bar")
("Something_else" . "chbouib"))
(("Name" . "bar")
("Version" . "1.5")))
(let ((p (open-input-string "
# Comment following an empty line, and
# preceding a couple of empty lines, all of
# which should be silently consumed.
Name: foo
Version: 0.1
# Comment right in the middle,
# spanning two lines.
Synopsis: foo bar
Something_else: chbouib
# Comment right before.
Name: bar
Version: 1.5
# Comment at the end.")))
(list (recutils->alist p)
(recutils->alist p))))
(test-equal "recutils->alist with + lines"
'(("Name" . "foo")
("Description" . "1st line,\n2nd line,\n 3rd line with extra space,\n4th line without space."))
(recutils->alist (open-input-string "
Name: foo
Description: 1st line,
+ 2nd line,
+ 3rd line with extra space,
+4th line without space.")))
(test-equal "alist->record" '((1 2) b c)
(alist->record '(("a" . 1) ("b" . b) ("c" . c) ("a" . 2))
list
'("a" "b" "c")
'("a")))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0))