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+;;; 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")