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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@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-transformations)
+ #:use-module (guix tests)
+ #:use-module (guix store)
+ #:use-module ((guix gexp) #:select (lower-object))
+ #:use-module (guix derivations)
+ #:use-module (guix packages)
+ #:use-module (guix git-download)
+ #:use-module (guix build-system)
+ #:use-module (guix build-system gnu)
+ #:use-module (guix transformations)
+ #:use-module (guix ui)
+ #:use-module (guix utils)
+ #:use-module (guix git)
+ #:use-module (gnu packages)
+ #:use-module (gnu packages base)
+ #:use-module (gnu packages busybox)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:use-module (srfi srfi-64))
+
+
+(test-begin "transformations")
+
+(test-assert "options->transformation, no transformations"
+ (let ((p (dummy-package "foo"))
+ (t (options->transformation '())))
+ (eq? (t p) p)))
+
+(test-assert "options->transformation, with-source"
+ ;; Our pseudo-package is called 'guix.scm' so the 'guix.scm' source should
+ ;; be applicable.
+ (let* ((p (dummy-package "guix.scm"))
+ (s (search-path %load-path "guix.scm"))
+ (t (options->transformation `((with-source . ,s)))))
+ (with-store store
+ (let* ((new (t p))
+ (source (run-with-store store
+ (lower-object (package-source new)))))
+ (and (not (eq? new p))
+ (string=? source
+ (add-to-store store "guix.scm" #t
+ "sha256" s)))))))
+
+(test-assert "options->transformation, with-source, replacement"
+ ;; Same, but this time the original package has a 'replacement' field. We
+ ;; expect that replacement to be set to #f in the new package.
+ (let* ((p (dummy-package "guix.scm" (replacement coreutils)))
+ (s (search-path %load-path "guix.scm"))
+ (t (options->transformation `((with-source . ,s)))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (not (package-replacement new))))))
+
+(test-assert "options->transformation, with-source, with version"
+ ;; Our pseudo-package is called 'guix.scm' so the 'guix.scm-2.0' source
+ ;; should be applicable, and its version should be extracted.
+ (let ((p (dummy-package "foo"))
+ (s (search-path %load-path "guix.scm")))
+ (call-with-temporary-directory
+ (lambda (directory)
+ (let* ((f (string-append directory "/foo-42.0.tar.gz"))
+ (t (options->transformation `((with-source . ,f)))))
+ (copy-file s f)
+ (with-store store
+ (let* ((new (t p))
+ (source (run-with-store store
+ (lower-object (package-source new)))))
+ (and (not (eq? new p))
+ (string=? (package-name new) (package-name p))
+ (string=? (package-version new) "42.0")
+ (string=? source
+ (add-to-store store (basename f) #t
+ "sha256" f))))))))))
+
+(test-assert "options->transformation, with-source, no matches"
+ ;; When a transformation in not applicable, a warning must be raised.
+ (let* ((p (dummy-package "foobar"))
+ (s (search-path %load-path "guix.scm"))
+ (t (options->transformation `((with-source . ,s)))))
+ (let* ((port (open-output-string))
+ (new (parameterize ((guix-warning-port port))
+ (t p))))
+ (and (eq? new p)
+ (string-contains (get-output-string port)
+ "had no effect")))))
+
+(test-assert "options->transformation, with-source, PKG=URI"
+ (let* ((p (dummy-package "foo"))
+ (s (search-path %load-path "guix.scm"))
+ (f (string-append "foo=" s))
+ (t (options->transformation `((with-source . ,f)))))
+ (with-store store
+ (let* ((new (t p))
+ (source (run-with-store store
+ (lower-object (package-source new)))))
+ (and (not (eq? new p))
+ (string=? (package-name new) (package-name p))
+ (string=? (package-version new)
+ (package-version p))
+ (string=? source
+ (add-to-store store (basename s) #t
+ "sha256" s)))))))
+
+(test-assert "options->transformation, with-source, PKG@VER=URI"
+ (let* ((p (dummy-package "foo"))
+ (s (search-path %load-path "guix.scm"))
+ (f (string-append "foo@42.0=" s))
+ (t (options->transformation `((with-source . ,f)))))
+ (with-store store
+ (let* ((new (t p))
+ (source (run-with-store store
+ (lower-object (package-source new)))))
+ (and (not (eq? new p))
+ (string=? (package-name new) (package-name p))
+ (string=? (package-version new) "42.0")
+ (string=? source
+ (add-to-store store (basename s) #t
+ "sha256" s)))))))
+
+(test-assert "options->transformation, with-input"
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,(specification->package "coreutils"))
+ ("bar" ,(specification->package "grep"))
+ ("baz" ,(dummy-package "chbouib"
+ (native-inputs `(("x" ,grep)))))))))
+ (t (options->transformation '((with-input . "coreutils=busybox")
+ (with-input . "grep=findutils")))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2) ("baz" dep3))
+ (and (string=? (package-full-name dep1)
+ (package-full-name busybox))
+ (string=? (package-full-name dep2)
+ (package-full-name findutils))
+ (string=? (package-name dep3) "chbouib")
+ (match (package-native-inputs dep3)
+ ((("x" dep))
+ (string=? (package-full-name dep)
+ (package-full-name findutils)))))))))))
+
+(test-assert "options->transformation, with-graft"
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,grep)
+ ("bar" ,(dummy-package "chbouib"
+ (native-inputs `(("x" ,grep)))))))))
+ (t (options->transformation '((with-graft . "grep=findutils")))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2))
+ (and (string=? (package-full-name dep1)
+ (package-full-name grep))
+ (string=? (package-full-name (package-replacement dep1))
+ (package-full-name findutils))
+ (string=? (package-name dep2) "chbouib")
+ (match (package-native-inputs dep2)
+ ((("x" dep))
+ (with-store store
+ (string=? (derivation-file-name
+ (package-derivation store findutils))
+ (derivation-file-name
+ (package-derivation store dep)))))))))))))
+
+(test-equal "options->transformation, with-branch"
+ (git-checkout (url "https://example.org")
+ (branch "devel")
+ (recursive? #t))
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,grep)
+ ("bar" ,(dummy-package "chbouib"
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://example.org")
+ (commit "cabba9e")))
+ (sha256 #f)))))))))
+ (t (options->transformation '((with-branch . "chbouib=devel")))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2))
+ (and (string=? (package-full-name dep1)
+ (package-full-name grep))
+ (string=? (package-name dep2) "chbouib")
+ (package-source dep2))))))))
+
+(test-equal "options->transformation, with-commit"
+ (git-checkout (url "https://example.org")
+ (commit "abcdef")
+ (recursive? #t))
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,grep)
+ ("bar" ,(dummy-package "chbouib"
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://example.org")
+ (commit "cabba9e")))
+ (sha256 #f)))))))))
+ (t (options->transformation '((with-commit . "chbouib=abcdef")))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2))
+ (and (string=? (package-full-name dep1)
+ (package-full-name grep))
+ (string=? (package-name dep2) "chbouib")
+ (package-source dep2))))))))
+
+(test-equal "options->transformation, with-git-url"
+ (let ((source (git-checkout (url "https://example.org")
+ (recursive? #t))))
+ (list source source))
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,grep)
+ ("bar" ,(dummy-package "chbouib"
+ (native-inputs `(("x" ,grep)))))))))
+ (t (options->transformation '((with-git-url . "grep=https://example.org")))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2))
+ (and (string=? (package-full-name dep1)
+ (package-full-name grep))
+ (string=? (package-name dep2) "chbouib")
+ (match (package-native-inputs dep2)
+ ((("x" dep3))
+ (map package-source (list dep1 dep3)))))))))))
+
+(test-equal "options->transformation, with-git-url + with-branch"
+ ;; Combine the two options and make sure the 'with-branch' transformation
+ ;; comes after the 'with-git-url' transformation.
+ (let ((source (git-checkout (url "https://example.org")
+ (branch "BRANCH")
+ (recursive? #t))))
+ (list source source))
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,grep)
+ ("bar" ,(dummy-package "chbouib"
+ (native-inputs `(("x" ,grep)))))))))
+ (t (options->transformation
+ (reverse '((with-git-url
+ . "grep=https://example.org")
+ (with-branch . "grep=BRANCH"))))))
+ (let ((new (t p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2))
+ (and (string=? (package-name dep1) "grep")
+ (string=? (package-name dep2) "chbouib")
+ (match (package-native-inputs dep2)
+ ((("x" dep3))
+ (map package-source (list dep1 dep3)))))))))))
+
+(define* (depends-on-toolchain? p #:optional (toolchain "gcc-toolchain"))
+ "Return true if P depends on TOOLCHAIN instead of the default tool chain."
+ (define toolchain-packages
+ '("gcc" "binutils" "glibc" "ld-wrapper"))
+
+ (define (package-name* obj)
+ (and (package? obj) (package-name obj)))
+
+ (match (bag-build-inputs (package->bag p))
+ (((_ (= package-name* packages) . _) ...)
+ (and (not (any (cut member <> packages) toolchain-packages))
+ (member toolchain packages)))))
+
+(test-assert "options->transformation, with-c-toolchain"
+ (let* ((dep0 (dummy-package "chbouib"
+ (build-system gnu-build-system)
+ (native-inputs `(("y" ,grep)))))
+ (dep1 (dummy-package "stuff"
+ (native-inputs `(("x" ,dep0)))))
+ (p (dummy-package "thingie"
+ (build-system gnu-build-system)
+ (inputs `(("foo" ,grep)
+ ("bar" ,dep1)))))
+ (t (options->transformation
+ '((with-c-toolchain . "chbouib=gcc-toolchain")))))
+ ;; Here we check that the transformation applies to DEP0 and all its
+ ;; dependents: DEP0 must use GCC-TOOLCHAIN, DEP1 must use GCC-TOOLCHAIN
+ ;; and the DEP0 that uses GCC-TOOLCHAIN, and so on.
+ (let ((new (t p)))
+ (and (depends-on-toolchain? new "gcc-toolchain")
+ (match (bag-build-inputs (package->bag new))
+ ((("foo" dep0) ("bar" dep1) _ ...)
+ (and (depends-on-toolchain? dep1 "gcc-toolchain")
+ (not (depends-on-toolchain? dep0 "gcc-toolchain"))
+ (string=? (package-full-name dep0)
+ (package-full-name grep))
+ (match (bag-build-inputs (package->bag dep1))
+ ((("x" dep) _ ...)
+ (and (depends-on-toolchain? dep "gcc-toolchain")
+ (match (bag-build-inputs (package->bag dep))
+ ((("y" dep) _ ...) ;this one is unchanged
+ (eq? dep grep)))))))))))))
+
+(test-equal "options->transformation, with-c-toolchain twice"
+ (package-full-name grep)
+ (let* ((dep0 (dummy-package "chbouib"))
+ (dep1 (dummy-package "stuff"))
+ (p (dummy-package "thingie"
+ (build-system gnu-build-system)
+ (inputs `(("foo" ,dep0)
+ ("bar" ,dep1)
+ ("baz" ,grep)))))
+ (t (options->transformation
+ '((with-c-toolchain . "chbouib=clang-toolchain")
+ (with-c-toolchain . "stuff=clang-toolchain")))))
+ (let ((new (t p)))
+ (and (depends-on-toolchain? new "clang-toolchain")
+ (match (bag-build-inputs (package->bag new))
+ ((("foo" dep0) ("bar" dep1) ("baz" dep2) _ ...)
+ (and (depends-on-toolchain? dep0 "clang-toolchain")
+ (depends-on-toolchain? dep1 "clang-toolchain")
+ (not (depends-on-toolchain? dep2 "clang-toolchain"))
+ (package-full-name dep2))))))))
+
+(test-assert "options->transformation, with-c-toolchain, no effect"
+ (let ((p (dummy-package "thingie"))
+ (t (options->transformation
+ '((with-c-toolchain . "does-not-exist=gcc-toolchain")))))
+ ;; When it has no effect, '--with-c-toolchain' returns P.
+ (eq? (t p) p)))
+
+(test-equal "options->transformation, with-debug-info"
+ '(#:strip-binaries? #f)
+ (let* ((dep (dummy-package "chbouib"))
+ (p (dummy-package "thingie"
+ (build-system gnu-build-system)
+ (inputs `(("foo" ,dep)
+ ("bar" ,grep)))))
+ (t (options->transformation
+ '((with-debug-info . "chbouib")))))
+ (let ((new (t p)))
+ (match (package-inputs new)
+ ((("foo" dep0) ("bar" dep1))
+ (and (string=? (package-full-name dep1)
+ (package-full-name grep))
+ (package-arguments (package-replacement dep0))))))))
+
+(test-assert "options->transformation, without-tests"
+ (let* ((dep (dummy-package "dep"))
+ (p (dummy-package "foo"
+ (inputs `(("dep" ,dep)))))
+ (t (options->transformation '((without-tests . "dep")
+ (without-tests . "tar")))))
+ (let ((new (t p)))
+ (match (bag-direct-inputs (package->bag new))
+ ((("dep" dep) ("tar" tar) _ ...)
+ ;; TODO: Check whether TAR has #:tests? #f when transformations
+ ;; apply to implicit inputs.
+ (equal? (package-arguments dep)
+ '(#:tests? #f)))))))
+
+(test-end)
+
+;;; Local Variables:
+;;; eval: (put 'dummy-package 'scheme-indent-function 1)
+;;; End: