import: cpan: Rewrite to use 'define-json-mapping'.

* guix/import/cpan.scm (<cpan-dependency>, <cpan-release>): New
JSON-mapped record types.
(metacpan-url->mirror-url): New procedure.
(cpan-source-url): Rewrite in terms of it.
(cpan-version): Remove.
(cpan-module->sexp): Rewrite to take a <cpan-release> instead of an
alist, and rename 'meta' to 'release'.
[convert-inputs]: Rewrite to use 'cpan-release-dependencies'.
Update calls to 'convert-inputs' to pass a list of symbols.
Replace 'assoc-ref' calls with the appropriate field accessors.
(cpan->guix-package): Rename 'module-meta' to 'release'.
(latest-release): Likewise, and use the appropriate accessors.
* tests/cpan.scm (test-json): Remove "prereqs" record; add "dependency"
list.
("source-url-http", "source-url-https"): Remove.
("metacpan-url->mirror-url, http")
("metacpan-url->mirror-url, https"): New tests.

1 files changed, 16 insertions, 17 deletions

diff --git a/tests/cpan.scm b/tests/cpan.scm
index 189dd027e6..043d401032 100644
--- a/tests/cpan.scm
+++ b/tests/cpan.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2016 Alex Sassmannshausen <alex@pompo.co>
+;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -32,13 +33,6 @@
 (define test-json
   "{
   \"metadata\" : {
-    \"prereqs\" : {
-      \"runtime\" : {
-        \"requires\" : {
-          \"Test::Script\" : \"1.05\",
-        }
-      }
-    }
     \"name\" : \"Foo-Bar\",
     \"version\" : \"0.1\"
   }
@@ -47,6 +41,13 @@
   \"license\" : [
     \"perl_5\"
   ],
+  \"dependency\": [
+     { \"relationship\": \"requires\",
+       \"phase\": \"runtime\",
+       \"version\": \"1.05\",
+       \"module\": \"Test::Script\"
+     }
+  ],
   \"abstract\" : \"Fizzle Fuzz\",
   \"download_url\" : \"http://example.com/Foo-Bar-0.1.tar.gz\",
   \"author\" : \"Guix\",
@@ -107,16 +108,14 @@
                 (x
                  (pk 'fail x #f))))))
 
-(test-equal "source-url-http"
-  ((@@ (guix import cpan) cpan-source-url)
-   `(("download_url" .
-      "http://cpan.metacpan.org/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz")))
-  "mirror://cpan/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz")
+(test-equal "metacpan-url->mirror-url, http"
+  "mirror://cpan/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz"
+  (metacpan-url->mirror-url
+   "http://cpan.metacpan.org/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz"))
 
-(test-equal "source-url-https"
-  ((@@ (guix import cpan) cpan-source-url)
-   `(("download_url" .
-      "https://cpan.metacpan.org/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz")))
-  "mirror://cpan/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz")
+(test-equal "metacpan-url->mirror-url, https"
+  "mirror://cpan/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz"
+  (metacpan-url->mirror-url
+   "https://cpan.metacpan.org/authors/id/T/TE/TEST/Foo-Bar-0.1.tar.gz"))
 
 (test-end "cpan")