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Important: to avoid polarizing/hurtful discussions in our public spaces, any
matter pertaining to our use of this Code of Conduct should be brought
privately to the Guix maintainers at guix-maintainers@gnu.org.  Failure to do
so will be considered as a violation of this Code of Conduct.

Contributor Covenant Code of Conduct

Our Pledge
We as members, contributors, and leaders pledge to make participation in our
community a harassment-free experience for everyone, regardless of age, body
size, visible or invisible disability, ethnicity, sex characteristics, gender
identity and expression, level of experience, education, socio-economic status,
nationality, personal appearance, race, caste, color, religion, or sexual
identity and orientation.
We pledge to act and interact in ways that contribute to an open, welcoming,
diverse, inclusive, and healthy community.
Our Standards
Examples of behavior that contributes to a positive environment for our
community include:

* Demonstrating empathy and kindness toward other people
* Being respectful of differing opinions, viewpoints, and experiences
* Giving and gracefully accepting constructive feedback
* Accepting responsibility and apologizing to those affected by our mistakes,
and learning from the experience
* Focusing on what is best not just for us as individuals, but for the overall
community

Examples of unacceptable behavior include:

* The use of sexualized language or imagery, and sexual attention or advances of
any kind
* Trolling, insulting or derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others’ private information, such as a physical or email address,
without their explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting

Enforcement Responsibilities
Community leaders are responsible for clarifying and enforcing our standards of
acceptable behavior and will take appropriate and fair corrective action in
response to any behavior that they deem inappropriate, threatening, offensive,
or harmful.
Community leaders have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions that are
not aligned to this Code of Conduct, and will communicate reasons for moderation
decisions when appropriate.
Scope
This Code of Conduct applies within all community spaces, and also applies when
an individual is officially representing the community in public spaces.
Examples of representing our community include using an official e-mail address,
posting via an official social media account, or acting as an appointed
representative at an online or offline event.
Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be
reported to the community leaders responsible for enforcement at
guix-maintainers@gnu.org.
All complaints will be reviewed and investigated promptly and fairly.
All community leaders are obligated to respect the privacy and security of the
reporter of any incident.
Enforcement Guidelines
Community leaders will follow these Community Impact Guidelines in determining
the consequences for any action they deem in violation of this Code of Conduct:
1. Correction
Community Impact: Use of inappropriate language or other behavior deemed
unprofessional or unwelcome in the community.
Consequence: A private, written warning from community leaders, providing
clarity around the nature of the violation and an explanation of why the
behavior was inappropriate. A public apology may be requested.
2. Warning
Community Impact: A violation through a single incident or series of
actions.
Consequence: A warning with consequences for continued behavior. No
interaction with the people involved, including unsolicited interaction with
those enforcing the Code of Conduct, for a specified period of time. This
includes avoiding interactions in community spaces as well as external channels
like social media. Violating these terms may lead to a temporary or permanent
ban.
3. Temporary Ban
Community Impact: A serious violation of community standards, including
sustained inappropriate behavior.
Consequence: A temporary ban from any sort of interaction or public
communication with the community for a specified period of time. No public or
private interaction with the people involved, including unsolicited interaction
with those enforcing the Code of Conduct, is allowed during this period.
Violating these terms may lead to a permanent ban.
4. Permanent Ban
Community Impact: Demonstrating a pattern of violation of community
standards, including sustained inappropriate behavior, harassment of an
individual, or aggression toward or disparagement of classes of individuals.
Consequence: A permanent ban from any sort of public interaction within the
community.
Attribution
This Code of Conduct is adapted from the Contributor Covenant,
version 2.1, available at
https://www.contributor-covenant.org/version/2/1/code_of_conduct.html.
Community Impact Guidelines were inspired by
Mozilla’s code of conduct enforcement ladder.
For answers to common questions about this code of conduct, see the FAQ at
https://www.contributor-covenant.org/faq. Translations are available at
https://www.contributor-covenant.org/translations.

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2018, 2019 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-1)
  #: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) #t))
         (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* & inherit & innate"
  (begin
    (define-record-type* <foo> foo make-foo
      foo?
      (bar foo-bar (innate) (default 42)))
    (let* ((a (foo (bar 1)))
           (b (foo (inherit a)))
           (c (foo (inherit a) (bar 3)))
           (d (foo)))
      (and (match a (($ <foo> 1) #t))
           (match b (($ <foo> 42) #t))
           (match c (($ <foo> 3) #t))
           (match d (($ <foo> 42) #t))))))

(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* & thunked & innate"
  (let ((mark (make-parameter #f)))
    (define-record-type* <foo> foo make-foo
      foo?
      (bar foo-bar (thunked) (innate) (default (mark)))
      (baz foo-baz (default #f)))

    (let* ((x (foo (bar 42)))
           (y (foo (inherit x) (baz 'unused))))
      (and (procedure? (struct-ref x 0))
           (equal? (foo-bar x) 42)
           (parameterize ((mark (cons 'a 'b)))
             (eq? (foo-bar y) (mark)))
           (parameterize ((mark (cons 'a 'b)))
             (eq? (foo-bar 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* & wrong field specifier"
  (let ((exp '(begin
                (define-record-type* <foo> foo make-foo
                  foo?
                  (bar foo-bar (default 42))
                  (baz foo-baz))

                (foo (baz 1 2 3 4 5))))           ;syntax error
        (loc         (current-source-location)))  ;keep this alignment!
    (catch 'syntax-error
      (lambda ()
        (eval exp (test-module))
        #f)
      (lambda (key proc message location form . args)
        (and (eq? proc 'foo)
             (string-match "invalid field" message)
             (equal? form '(baz 1 2 3 4 5))

             ;; Make sure the location is that of the field specifier.
             ;; See <http://bugs.gnu.org/23969>.
             (lset= equal?
                    (pk 'expected-loc
                        `((line . ,(- (assq-ref loc 'line) 1))
                          ,@(alist-delete 'line loc)))
                    (pk 'actual-loc location)))))))

(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-assert "define-record-type* & duplicate initializers"
  (let ((exp '(begin
                (define-record-type* <foo> foo make-foo
                  foo?
                  (bar foo-bar (default 42)))

                (foo (bar 1)
                     (bar 2))))
        (loc         (current-source-location)))  ;keep this alignment!
    (catch 'syntax-error
      (lambda ()
        (eval exp (test-module))
        #f)
      (lambda (key proc message location form . args)
        (and (string-match "duplicate.*initializer" message)
             (eq? proc 'foo)

             ;; Make sure the location is that of the field specifier.
             (lset= equal?
                    (pk 'expected-loc
                        `((line . ,(- (assq-ref loc 'line) 1))
                          ,@(alist-delete 'line loc)))
                    (pk 'actual-loc location)))))))

(test-assert "ABI checks"
  (let ((module (test-module)))
    (eval '(begin
             (define-record-type* <foo> foo make-foo
               foo?
               (bar foo-bar (default 42)))

             (define (make-me-a-record) (foo)))
          module)
    (unless (eval '(foo? (make-me-a-record)) module)
      (error "what?" (eval '(make-me-a-record) module)))

    ;; Redefine <foo> with an additional field.
    (eval '(define-record-type* <foo> foo make-foo
             foo?
             (baz foo-baz)
             (bar foo-bar (default 42)))
          module)

    ;; Now 'make-me-a-record' is out of sync because it does an
    ;; 'allocate-struct' that corresponds to the previous definition of <foo>.
    (catch 'record-abi-mismatch-error
      (lambda ()
        (eval '(foo? (make-me-a-record)) module)
        #f)
      (match-lambda*
        ((key 'abi-check (? string? message) (rtd) . _)
         (eq? rtd (eval '<foo> module)))))))

(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)