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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
+;;;
+;;; 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-hackage)
+  #:use-module (guix import hackage)
+  #:use-module (guix tests)
+  #:use-module (srfi srfi-64)
+  #:use-module (ice-9 match))
+
+(define test-cabal-1
+  "name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+executable cabal
+  build-depends:
+    HTTP       >= 4000.2.5 && < 4000.3,
+    mtl        >= 2.0      && < 3
+")
+
+;; Use TABs to indent lines and to separate keys from value.
+(define test-cabal-2
+  "name:	foo
+version:	1.0.0
+homepage:	http://test.org
+synopsis:	synopsis
+description:	description
+license:	BSD3
+executable cabal
+	build-depends:	HTTP       >= 4000.2.5 && < 4000.3,
+		mtl        >= 2.0      && < 3
+")
+
+;; Use indentation with comma as found, e.g., in 'haddock-api'.
+(define test-cabal-3
+  "name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+executable cabal
+    build-depends:
+        HTTP       >= 4000.2.5 && < 4000.3
+      , mtl        >= 2.0      && < 3
+")
+
+(define test-cond-1
+  "(os(darwin) || !(flag(debug))) && flag(cips)")
+
+(define read-cabal
+  (@@ (guix import hackage) read-cabal))
+
+(define eval-cabal-keywords
+  (@@ (guix import hackage) eval-cabal-keywords))
+
+(define conditional->sexp-like
+  (@@ (guix import hackage) conditional->sexp-like))
+
+(test-begin "hackage")
+
+(define (eval-test-with-cabal test-cabal)
+  (mock
+   ((guix import hackage) hackage-fetch
+    (lambda (name-version)
+      (call-with-input-string test-cabal
+        read-cabal)))
+   (match (hackage->guix-package "foo")
+     (('package
+        ('name "ghc-foo")
+        ('version "1.0.0")
+        ('source
+         ('origin
+           ('method 'url-fetch)
+           ('uri ('string-append
+                  "http://hackage.haskell.org/package/foo/foo-"
+                  'version
+                  ".tar.gz"))
+           ('sha256
+            ('base32
+             (? string? hash)))))
+        ('build-system 'haskell-build-system)
+        ('inputs
+         ('quasiquote
+          (("ghc-http" ('unquote 'ghc-http))
+           ("ghc-mtl" ('unquote 'ghc-mtl)))))
+        ('home-page "http://test.org")
+        ('synopsis (? string?))
+        ('description (? string?))
+        ('license 'bsd-3))
+      #t)
+     (x
+      (pk 'fail x #f)))))
+
+(test-assert "hackage->guix-package test 1"
+  (eval-test-with-cabal test-cabal-1))
+
+(test-assert "hackage->guix-package test 2"
+  (eval-test-with-cabal test-cabal-2))
+
+(test-assert "hackage->guix-package test 3"
+  (eval-test-with-cabal test-cabal-3))
+
+(test-assert "conditional->sexp-like"
+  (match
+    (eval-cabal-keywords
+     (conditional->sexp-like test-cond-1)
+     '(("debug" . "False")))
+    (('and ('or ('string-match "darwin" ('%current-system)) ('not '#f)) '#t)
+     #t)
+    (x
+     (pk 'fail x #f))))
+
+(test-end "hackage")
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))