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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; 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-cran)
+ #:use-module (guix import cran)
+ #:use-module (guix tests)
+ #:use-module (srfi srfi-64)
+ #:use-module (ice-9 match))
+
+(define sxml
+ '(*TOP* (xhtml:html
+ (xhtml:head
+ (xhtml:title "CRAN - Package my-example-sxml"))
+ (xhtml:body
+ (xhtml:h2 "my-example-sxml: Short description")
+ (xhtml:p "Long description")
+ (xhtml:table
+ (@ (summary "Package my-example-sxml summary"))
+ (xhtml:tr
+ (xhtml:td "Version:")
+ (xhtml:td "1.2.3"))
+ (xhtml:tr
+ (xhtml:td "Depends:")
+ (xhtml:td "R (>= 3.1.0)"))
+ (xhtml:tr
+ (xhtml:td "SystemRequirements:")
+ (xhtml:td "cairo (>= 1.2 http://www.cairographics.org/)"))
+ (xhtml:tr
+ (xhtml:td "Imports:")
+ (xhtml:td
+ (xhtml:a (@ (href "../scales/index.html"))
+ "scales")
+ " (>= 0.2.3), "
+ (xhtml:a (@ (href "../proto/index.html"))
+ "proto")
+ ", "
+ (xhtml:a (@ (href "../Rcpp/index.html")) "Rcpp")
+ " (>= 0.11.0)"))
+ (xhtml:tr
+ (xhtml:td "Suggests:")
+ (xhtml:td
+ (xhtml:a (@ (href "../some/index.html"))
+ "some")
+ ", "
+ (xhtml:a (@ (href "../suggestions/index.html"))
+ "suggestions")))
+ (xhtml:tr
+ (xhtml:td "License:")
+ (xhtml:td
+ (xhtml:a (@ (href "../../licenses/MIT")) "MIT")))
+ (xhtml:tr
+ (xhtml:td "URL:")
+ (xhtml:td
+ (xhtml:a (@ (href "http://gnu.org/s/my-example-sxml"))
+ "http://gnu.org/s/my-example-sxml")
+ ", "
+ (xhtml:a (@ (href "http://alternative/home/page"))
+ "http://alternative/home/page"))))
+ (xhtml:h4 "Downloads:")
+ (xhtml:table
+ (@ (summary "Package my-example-sxml downloads"))
+ (xhtml:tr
+ (xhtml:td " Reference manual: ")
+ (xhtml:td
+ (xhtml:a (@ (href "my-example-sxml.pdf"))
+ " my-example-sxml.pdf ")))
+ (xhtml:tr
+ (xhtml:td " Package source: ")
+ (xhtml:td
+ (xhtml:a
+ (@ (href "../../../src/contrib/my-example-sxml_1.2.3.tar.gz"))
+ " my-example-sxml_1.2.3.tar.gz "))))
+ (xhtml:h4 "Reverse dependencies:")
+ (xhtml:table
+ (@ (summary "Package my-example-sxml reverse dependencies"))
+ (xhtml:tr
+ (xhtml:td "Reverse depends:")
+ (xhtml:td "Too many."))
+ (xhtml:tr
+ (xhtml:td "Reverse imports:")
+ (xhtml:td "Likewise."))
+ (xhtml:tr
+ (xhtml:td "Reverse suggests:")
+ (xhtml:td "Uncountable.")))))))
+
+(define simple-table
+ '(xhtml:table
+ (xhtml:tr
+ (xhtml:td "Numbers")
+ (xhtml:td "123"))
+ (xhtml:tr
+ (@ (class "whatever"))
+ (xhtml:td (@ (class "unimportant")) "Letters")
+ (xhtml:td "abc"))
+ (xhtml:tr
+ (xhtml:td "Letters")
+ (xhtml:td "xyz"))
+ (xhtml:tr
+ (xhtml:td "Single"))
+ (xhtml:tr
+ (xhtml:td "not a value")
+ (xhtml:td "not a label")
+ (xhtml:td "also not a label"))))
+
+(test-begin "cran")
+
+(test-equal "table-datum: return list of first table cell matching label"
+ '((xhtml:td "abc"))
+ ((@@ (guix import cran) table-datum) simple-table "Letters"))
+
+(test-equal "table-datum: return empty list if no match"
+ '()
+ ((@@ (guix import cran) table-datum) simple-table "Astronauts"))
+
+(test-equal "table-datum: only consider the first cell as a label cell"
+ '()
+ ((@@ (guix import cran) table-datum) simple-table "not a label"))
+
+
+(test-assert "cran-sxml->sexp"
+ ;; Replace network resources with sample data.
+ (mock ((guix build download) url-fetch
+ (lambda* (url file-name #:key (mirrors '()))
+ (with-output-to-file file-name
+ (lambda ()
+ (display
+ (match url
+ ("mirror://cran/src/contrib/my-example-sxml_1.2.3.tar.gz"
+ "source")
+ (_ (error "Unexpected URL: " url))))))))
+ (match ((@@ (guix import cran) cran-sxml->sexp) sxml)
+ (('package
+ ('name "r-my-example-sxml")
+ ('version "1.2.3")
+ ('source ('origin
+ ('method 'url-fetch)
+ ('uri ('string-append "mirror://cran/src/contrib/my-example-sxml_"
+ 'version ".tar.gz"))
+ ('sha256
+ ('base32
+ (? string? hash)))))
+ ('build-system 'r-build-system)
+ ('inputs
+ ('quasiquote
+ (("cairo" ('unquote 'cairo)))))
+ ('propagated-inputs
+ ('quasiquote
+ (("r-proto" ('unquote 'r-proto))
+ ("r-rcpp" ('unquote 'r-rcpp))
+ ("r-scales" ('unquote 'r-scales)))))
+ ('home-page "http://gnu.org/s/my-example-sxml")
+ ('synopsis "Short description")
+ ('description "Long description")
+ ('license 'x11)))
+ (x
+ (begin
+ (format #t "~s\n" x)
+ (pk 'fail x #f))))))
+
+(test-end "cran")
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))