140 lines
5.4 KiB
Scheme
140 lines
5.4 KiB
Scheme
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-channels)
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#:use-module (guix channels)
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#:use-module ((guix build syscalls) #:select (mkdtemp!))
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#:use-module (guix tests)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 match))
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(test-begin "channels")
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(define* (make-instance #:key
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(name 'fake)
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(commit "cafebabe")
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(spec #f))
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(define instance-dir (mkdtemp! "/tmp/checkout.XXXXXX"))
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(and spec
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(with-output-to-file (string-append instance-dir "/.guix-channel")
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(lambda _ (format #t "~a" spec))))
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((@@ (guix channels) channel-instance)
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name commit instance-dir))
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(define instance--boring (make-instance))
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(define instance--no-deps
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(make-instance #:spec
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'(channel
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(version 0)
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(dependencies
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(channel
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(name test-channel)
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(url "https://example.com/test-channel"))))))
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(define instance--simple
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(make-instance #:spec
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'(channel
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(version 0)
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(dependencies
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(channel
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(name test-channel)
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(url "https://example.com/test-channel"))))))
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(define instance--with-dupes
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(make-instance #:spec
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'(channel
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(version 0)
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(dependencies
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(channel
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(name test-channel)
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(url "https://example.com/test-channel"))
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(channel
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(name test-channel)
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(url "https://example.com/test-channel")
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(commit "abc1234"))
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(channel
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(name test-channel)
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(url "https://example.com/test-channel-elsewhere"))))))
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(define read-channel-metadata
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(@@ (guix channels) read-channel-metadata))
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(test-equal "read-channel-metadata returns #f if .guix-channel does not exist"
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#f
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(read-channel-metadata instance--boring))
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(test-assert "read-channel-metadata returns <channel-metadata>"
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(every (@@ (guix channels) channel-metadata?)
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(map read-channel-metadata
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(list instance--no-deps
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instance--simple
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instance--with-dupes))))
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(test-assert "read-channel-metadata dependencies are channels"
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(let ((deps ((@@ (guix channels) channel-metadata-dependencies)
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(read-channel-metadata instance--simple))))
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(match deps
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(((? channel? dep)) #t)
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(_ #f))))
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(test-assert "latest-channel-instances includes channel dependencies"
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(let* ((channel (channel
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(name 'test)
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(url "test")))
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(test-dir (channel-instance-checkout instance--simple)))
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(mock ((guix git) latest-repository-commit
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(lambda* (store url #:key ref)
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(match url
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("test" (values test-dir 'whatever))
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(_ (values "/not-important" 'not-important)))))
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(let ((instances (latest-channel-instances #f (list channel))))
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(and (eq? 2 (length instances))
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(lset= eq?
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'(test test-channel)
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(map (compose channel-name channel-instance-channel)
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instances)))))))
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(test-assert "latest-channel-instances excludes duplicate channel dependencies"
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(let* ((channel (channel
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(name 'test)
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(url "test")))
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(test-dir (channel-instance-checkout instance--with-dupes)))
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(mock ((guix git) latest-repository-commit
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(lambda* (store url #:key ref)
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(match url
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("test" (values test-dir 'whatever))
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(_ (values "/not-important" 'not-important)))))
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(let ((instances (latest-channel-instances #f (list channel))))
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(and (eq? 2 (length instances))
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(lset= eq?
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'(test test-channel)
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(map (compose channel-name channel-instance-channel)
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instances))
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;; only the most specific channel dependency should remain,
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;; i.e. the one with a specified commit.
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(find (lambda (instance)
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(and (eq? (channel-name
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(channel-instance-channel instance))
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'test-channel)
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(eq? (channel-commit
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(channel-instance-channel instance))
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'abc1234)))
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instances))))))
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(test-end "channels")
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