From b24443bff9f9f3f36353eea2ef35e6dc3745a417 Mon Sep 17 00:00:00 2001
From: Julien Lepiller <julien@lepiller.eu>
Date: Wed, 6 Jun 2018 19:14:39 +0200
Subject: guix: Add opam importer.

* guix/scripts/import.scm (importers): Add opam.
* guix/scripts/import/opam.scm: New file.
* guix/import/opam.scm: New file.
* tests/opam.scm: New file.
* Makefile.am: Add them.
* doc/guix.texi (Invoking guix import): Document it.
---
 tests/opam.scm | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 tests/opam.scm

(limited to 'tests')

diff --git a/tests/opam.scm b/tests/opam.scm
new file mode 100644
index 0000000000..26832174a8
--- /dev/null
+++ b/tests/opam.scm
@@ -0,0 +1,118 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Julien Lepiller <julien@lepiller.eu>
+;;;
+;;; 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-opam)
+  #:use-module (guix import opam)
+  #:use-module (guix base32)
+  #:use-module (guix hash)
+  #:use-module (guix tests)
+  #:use-module ((guix build utils) #:select (delete-file-recursively mkdir-p which))
+  #:use-module (srfi srfi-64)
+  #:use-module (web uri)
+  #:use-module (ice-9 match))
+
+(define test-url-file
+  "http: \"https://example.org/foo-1.0.0.tar.gz\"
+checksum: \"ac8920f39a8100b94820659bc2c20817\"")
+
+(define test-source-hash
+  "")
+
+(define test-urls
+  "repo ac8920f39a8100b94820659bc2c20817 0o644
+packages/foo/foo.1.0.0/url ac8920f39a8100b94820659bc2c20817 0o644
+packages/foo/foo.1.0.0/opam ac8920f39a8100b94820659bc2c20817 0o644
+packages/foo/foo.1.0.0/descr ac8920f39a8100b94820659bc2c20817 0o644")
+
+(define test-opam-file
+"opam-version: 1.2
+maintainer: \"Alice Doe\"
+authors: \"Alice Doe, John Doe\"
+homepage: \"https://example.org/\"
+bug-reports: \"https://example.org/bugs\"
+license: \"MIT\"
+dev-repo: \"https://example.org/git\"
+build: [
+  \"ocaml\" \"pkg/pkg.ml\" \"build\" \"--pinned\" \"%{pinned}%\"
+]
+build-test: [
+  \"ocaml\" \"pkg/pkg.ml\" \"build\" \"--pinned\" \"%{pinned}%\" \"--tests\" \"true\"
+]
+depends: [
+  \"alcotest\" {test & >= \"0.7.2\"}
+  \"ocamlbuild\" {build & >= \"0.9.2\"}
+]")
+
+(test-begin "opam")
+
+(test-assert "opam->guix-package"
+  ;; Replace network resources with sample data.
+    (mock ((guix import utils) url-fetch
+           (lambda (url file-name)
+             (match url
+               ("https://example.org/foo-1.0.0.tar.gz"
+                (begin
+                  (mkdir-p "foo-1.0.0")
+                  (system* "tar" "czvf" file-name "foo-1.0.0/")
+                  (delete-file-recursively "foo-1.0.0")
+                  (set! test-source-hash
+                    (call-with-input-file file-name port-sha256))))
+               (_ (error "Unexpected URL: " url)))))
+          (mock ((guix http-client) http-fetch/cached
+                 (lambda (url . rest)
+                   (match (uri->string url)
+                     ("https://opam.ocaml.org/urls.txt"
+                      (values (open-input-string test-urls)
+                              (string-length test-urls)))
+                     (_ (error "Unexpected URL: " url)))))
+                (mock ((guix http-client) http-fetch
+                       (lambda (url . rest)
+                         (match url
+                           ("https://opam.ocaml.org/packages/foo/foo.1.0.0/url"
+                            (values (open-input-string test-url-file)
+                                    (string-length test-url-file)))
+                           ("https://opam.ocaml.org/packages/foo/foo.1.0.0/opam"
+                            (values (open-input-string test-opam-file)
+                                    (string-length test-opam-file)))
+                           (_ (error "Unexpected URL: " url)))))
+                      (match (opam->guix-package "foo")
+                        (('package
+                           ('name "ocaml-foo")
+                           ('version "1.0.0")
+                           ('source ('origin
+                                      ('method 'url-fetch)
+                                      ('uri "https://example.org/foo-1.0.0.tar.gz")
+                                      ('sha256
+                                       ('base32
+                                        (? string? hash)))))
+                           ('build-system 'ocaml-build-system)
+                           ('inputs
+                            ('quasiquote
+                             (("ocamlbuild" ('unquote 'ocamlbuild))
+                              ("ocaml-alcotest" ('unquote 'ocaml-alcotest)))))
+                           ('home-page "https://example.org/")
+                           ('synopsis "")
+                           ('description "")
+                           ('license 'license:expat))
+                         (string=? (bytevector->nix-base32-string
+                                    test-source-hash)
+                                   hash))
+                        (x
+                         (pk 'fail x #f)))))))
+
+(test-end "opam")
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