1 ;;; GNU Guix --- Functional package management for GNU
2 ;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
4 ;;; This file is part of GNU Guix.
6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
7 ;;; under the terms of the GNU General Public License as published by
8 ;;; the Free Software Foundation; either version 3 of the License, or (at
9 ;;; your option) any later version.
11 ;;; GNU Guix is distributed in the hope that it will be useful, but
12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;; GNU General Public License for more details.
16 ;;; You should have received a copy of the GNU General Public License
17 ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
19 (define-module (test-channels)
20 #:use-module (guix channels)
21 #:use-module (guix profiles)
22 #:use-module ((guix build syscalls) #:select (mkdtemp!))
23 #:use-module (guix tests)
24 #:use-module (guix store)
25 #:use-module ((guix grafts) #:select (%graft?))
26 #:use-module (guix derivations)
27 #:use-module (guix sets)
28 #:use-module (guix gexp)
29 #:use-module (srfi srfi-1)
30 #:use-module (srfi srfi-26)
31 #:use-module (srfi srfi-64)
32 #:use-module (ice-9 match))
34 (test-begin "channels")
36 (define* (make-instance #:key
40 (define instance-dir (mkdtemp! "/tmp/checkout.XXXXXX"))
42 (with-output-to-file (string-append instance-dir "/.guix-channel")
43 (lambda _ (format #t "~a" spec))))
44 (checkout->channel-instance instance-dir
48 (define instance--boring (make-instance))
49 (define instance--no-deps
56 (url "https://example.com/test-channel"))))))
57 (define instance--simple
64 (url "https://example.com/test-channel"))))))
65 (define instance--with-dupes
72 (url "https://example.com/test-channel"))
75 (url "https://example.com/test-channel")
79 (url "https://example.com/test-channel-elsewhere"))))))
81 (define read-channel-metadata
82 (@@ (guix channels) read-channel-metadata))
85 (test-equal "read-channel-metadata returns #f if .guix-channel does not exist"
87 (read-channel-metadata instance--boring))
89 (test-assert "read-channel-metadata returns <channel-metadata>"
90 (every (@@ (guix channels) channel-metadata?)
91 (map read-channel-metadata
92 (list instance--no-deps
94 instance--with-dupes))))
96 (test-assert "read-channel-metadata dependencies are channels"
97 (let ((deps ((@@ (guix channels) channel-metadata-dependencies)
98 (read-channel-metadata instance--simple))))
100 (((? channel? dep)) #t)
103 (test-assert "latest-channel-instances includes channel dependencies"
104 (let* ((channel (channel
107 (test-dir (channel-instance-checkout instance--simple)))
108 (mock ((guix git) latest-repository-commit
109 (lambda* (store url #:key ref)
111 ("test" (values test-dir 'whatever))
112 (_ (values "/not-important" 'not-important)))))
113 (let ((instances (latest-channel-instances #f (list channel))))
114 (and (eq? 2 (length instances))
117 (map (compose channel-name channel-instance-channel)
120 (test-assert "latest-channel-instances excludes duplicate channel dependencies"
121 (let* ((channel (channel
124 (test-dir (channel-instance-checkout instance--with-dupes)))
125 (mock ((guix git) latest-repository-commit
126 (lambda* (store url #:key ref)
128 ("test" (values test-dir 'whatever))
129 (_ (values "/not-important" 'not-important)))))
130 (let ((instances (latest-channel-instances #f (list channel))))
131 (and (eq? 2 (length instances))
134 (map (compose channel-name channel-instance-channel)
136 ;; only the most specific channel dependency should remain,
137 ;; i.e. the one with a specified commit.
138 (find (lambda (instance)
139 (and (eq? (channel-name
140 (channel-instance-channel instance))
143 (channel-instance-channel instance))
147 (test-assert "channel-instances->manifest"
148 ;; Compute the manifest for a graph of instances and make sure we get a
149 ;; derivation graph that mirrors the instance graph. This test also ensures
150 ;; we don't try to access Git repositores at all at this stage.
151 (let* ((spec (lambda deps
152 `(channel (version 0)
157 (url "http://example.org")))
159 (guix (make-instance #:name 'guix))
160 (instance0 (make-instance #:name 'a))
161 (instance1 (make-instance #:name 'b #:spec (spec 'a)))
162 (instance2 (make-instance #:name 'c #:spec (spec 'b)))
163 (instance3 (make-instance #:name 'd #:spec (spec 'c 'a))))
164 (%graft? #f) ;don't try to build stuff
166 ;; Create 'build-self.scm' so that GUIX is recognized as the 'guix' channel.
167 (let ((source (channel-instance-checkout guix)))
168 (mkdir (string-append source "/build-aux"))
169 (call-with-output-file (string-append source
170 "/build-aux/build-self.scm")
173 (use-modules (guix) (gnu packages bootstrap))
176 (package->derivation %bootstrap-guile)))
182 (run-with-store store
183 (channel-instances->manifest (list guix
185 instance2 instance3))))
188 (manifest-entries manifest))
190 (define (depends? drv in out)
191 ;; Return true if DRV depends (directly or indirectly) on all of IN
193 (let ((set (list->set
195 (list (derivation-file-name drv)))))
196 (in (map derivation-file-name in))
197 (out (map derivation-file-name out)))
198 (and (every (cut set-contains? set <>) in)
199 (not (any (cut set-contains? set <>) out)))))
201 (define (lookup name)
202 (run-with-store store
205 (manifest-lookup manifest
206 (manifest-pattern (name name)))))))
208 (let ((drv-guix (lookup "guix"))
213 (and (depends? drv-guix '() (list drv0 drv1 drv2 drv3))
215 (list) (list drv1 drv2 drv3))
217 (list drv0) (list drv2 drv3))
219 (list drv1) (list drv3))
221 (list drv2 drv0) (list))))))))
223 (test-end "channels")