guix-devel/tests/union.scm

211 lines
9.5 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; 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-union)
#:use-module (guix tests)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module (guix build union)
#:use-module ((guix build utils)
#:select (with-directory-excursion directory-exists?))
#:use-module (gnu packages bootstrap)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-64)
#:use-module (rnrs io ports)
#:use-module (ice-9 match))
(define %bootstrap-inputs
(@@ (gnu packages commencement) %bootstrap-inputs+toolchain))
;; Exercise the (guix build union) module.
(define %store
(open-connection-for-tests))
(test-begin "union")
(test-assert "union-build with symlink to directory"
;; http://bugs.gnu.org/17083
;; Here both ONE and TWO provide an element called 'foo', but in ONE it's a
;; directory whereas in TWO it's a symlink to a directory.
(let* ((one (build-expression->derivation
%store "one"
'(begin
(use-modules (guix build utils) (srfi srfi-26))
(let ((foo (string-append %output "/foo")))
(mkdir-p foo)
(call-with-output-file (string-append foo "/one")
(cut display "one" <>))))
#:modules '((guix build utils))))
(two (build-expression->derivation
%store "two"
'(begin
(use-modules (guix build utils) (srfi srfi-26))
(let ((foo (string-append %output "/foo"))
(bar (string-append %output "/bar")))
(mkdir-p bar)
(call-with-output-file (string-append bar "/two")
(cut display "two" <>))
(symlink "bar" foo)))
#:modules '((guix build utils))))
(builder '(begin
(use-modules (guix build union))
(union-build (assoc-ref %outputs "out")
(list (assoc-ref %build-inputs "one")
(assoc-ref %build-inputs "two")))))
(drv
(build-expression->derivation %store "union-collision-symlink"
builder
#:inputs `(("one" ,one) ("two" ,two))
#:modules '((guix build union)))))
(and (build-derivations %store (list drv))
(with-directory-excursion (pk (derivation->output-path drv))
(and (string=? "one"
(call-with-input-file "foo/one" get-string-all))
(string=? "two"
(call-with-input-file "foo/two" get-string-all))
(string=? "two"
(call-with-input-file "bar/two" get-string-all))
(not (file-exists? "bar/one")))))))
(test-skip (if (and %store (network-reachable?))
0
1))
(test-assert "union-build"
(let* ((inputs (map (match-lambda
((name package)
`(,name ,(package-derivation %store package))))
;; Purposefully leave duplicate entries.
(filter (compose package? cadr)
(append (%bootstrap-inputs)
(take (%bootstrap-inputs) 3)))))
(builder `(begin
(use-modules (guix build union))
(union-build (assoc-ref %outputs "out")
(map cdr %build-inputs))))
(drv
(build-expression->derivation %store "union-test"
builder
#:inputs inputs
#:modules '((guix build union)))))
(and (build-derivations %store (list (pk 'drv drv)))
(with-directory-excursion (derivation->output-path drv)
(and (file-exists? "bin/touch")
(file-exists? "bin/gcc")
(file-exists? "bin/ld")
(file-exists? "lib/libc.so")
(directory-exists? "lib/gcc")
(file-exists? "include/unistd.h")
;; The 'include/c++' sub-directory is only found in
;; gcc-bootstrap, so it should be unified in a
;; straightforward way, without traversing it.
(eq? 'symlink (stat:type (lstat "include/c++")))
;; Conversely, several inputs have a 'bin' sub-directory, so
;; unifying it requires traversing them all, and creating a
;; new 'bin' sub-directory in the profile.
(eq? 'directory (stat:type (lstat "bin"))))))))
(test-assert "union-build collision first & last"
(let* ((guile (package-derivation %store %bootstrap-guile))
(fake (build-expression->derivation
%store "fake-guile"
'(begin
(use-modules (guix build utils))
(let ((out (assoc-ref %outputs "out")))
(mkdir-p (string-append out "/bin"))
(call-with-output-file (string-append out "/bin/guile")
(const #t))))
#:modules '((guix build utils))))
(builder (lambda (policy)
`(begin
(use-modules (guix build union)
(srfi srfi-1))
(union-build (assoc-ref %outputs "out")
(map cdr %build-inputs)
#:resolve-collision ,policy))))
(drv1
(build-expression->derivation %store "union-first"
(builder 'first)
#:inputs `(("guile" ,guile)
("fake" ,fake))
#:modules '((guix build union))))
(drv2
(build-expression->derivation %store "union-last"
(builder 'last)
#:inputs `(("guile" ,guile)
("fake" ,fake))
#:modules '((guix build union)))))
(and (build-derivations %store (list drv1 drv2))
(with-directory-excursion (derivation->output-path drv1)
(string=? (readlink "bin/guile")
(string-append (derivation->output-path guile)
"/bin/guile")))
(with-directory-excursion (derivation->output-path drv2)
(string=? (readlink "bin/guile")
(string-append (derivation->output-path fake)
"/bin/guile"))))))
(test-assert "union-build #:create-all-directories? #t"
(let* ((build `(begin
(use-modules (guix build union))
(union-build (assoc-ref %outputs "out")
(map cdr %build-inputs)
#:create-all-directories? #t)))
(input (package-derivation %store %bootstrap-guile))
(drv (build-expression->derivation %store "union-test-all-dirs"
build
#:modules '((guix build union))
#:inputs `(("g" ,input)))))
(and (build-derivations %store (list drv))
(with-directory-excursion (derivation->output-path drv)
;; Even though there's only one input to the union,
;; #:create-all-directories? #t must have created bin/ rather than
;; making it a symlink to Guile's bin/.
(and (file-exists? "bin/guile")
(file-is-directory? "bin")
(eq? 'symlink (stat:type (lstat "bin/guile"))))))))
(letrec-syntax ((test-relative-file-name
(syntax-rules (=>)
((_ (reference file => expected) rest ...)
(begin
(test-equal (string-append "relative-file-name "
reference " " file)
expected
(relative-file-name reference file))
(test-relative-file-name rest ...)))
((_)
#t))))
(test-relative-file-name
("/a/b" "/a/c/d" => "../c/d")
("/a/b" "/a/b" => "")
("/a/b" "/a" => "..")
("/a/b" "/a/b/c/d" => "c/d")
("/a/b/c" "/a/d/e/f" => "../../d/e/f")))
(test-end)