diff options
Diffstat (limited to 'tests/channels.scm')
| -rw-r--r-- | tests/channels.scm | 88 |
1 files changed, 86 insertions, 2 deletions
diff --git a/tests/channels.scm b/tests/channels.scm index f3fc383ac3..8540aef435 100644 --- a/tests/channels.scm +++ b/tests/channels.scm @@ -18,9 +18,16 @@ (define-module (test-channels) #:use-module (guix channels) + #:use-module (guix profiles) #:use-module ((guix build syscalls) #:select (mkdtemp!)) #:use-module (guix tests) + #:use-module (guix store) + #:use-module ((guix grafts) #:select (%graft?)) + #:use-module (guix derivations) + #:use-module (guix sets) + #:use-module (guix gexp) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) #:use-module (srfi srfi-64) #:use-module (ice-9 match)) @@ -34,8 +41,9 @@ (and spec (with-output-to-file (string-append instance-dir "/.guix-channel") (lambda _ (format #t "~a" spec)))) - ((@@ (guix channels) channel-instance) - name commit instance-dir)) + (checkout->channel-instance instance-dir + #:commit commit + #:name name)) (define instance--boring (make-instance)) (define instance--no-deps @@ -136,4 +144,80 @@ 'abc1234))) instances)))))) +(test-assert "channel-instances->manifest" + ;; Compute the manifest for a graph of instances and make sure we get a + ;; derivation graph that mirrors the instance graph. This test also ensures + ;; we don't try to access Git repositores at all at this stage. + (let* ((spec (lambda deps + `(channel (version 0) + (dependencies + ,@(map (lambda (dep) + `(channel + (name ,dep) + (url "http://example.org"))) + deps))))) + (guix (make-instance #:name 'guix)) + (instance0 (make-instance #:name 'a)) + (instance1 (make-instance #:name 'b #:spec (spec 'a))) + (instance2 (make-instance #:name 'c #:spec (spec 'b))) + (instance3 (make-instance #:name 'd #:spec (spec 'c 'a)))) + (%graft? #f) ;don't try to build stuff + + ;; Create 'build-self.scm' so that GUIX is recognized as the 'guix' channel. + (let ((source (channel-instance-checkout guix))) + (mkdir (string-append source "/build-aux")) + (call-with-output-file (string-append source + "/build-aux/build-self.scm") + (lambda (port) + (write '(begin + (use-modules (guix) (gnu packages bootstrap)) + + (lambda _ + (package->derivation %bootstrap-guile))) + port)))) + + (with-store store + (let () + (define manifest + (run-with-store store + (channel-instances->manifest (list guix + instance0 instance1 + instance2 instance3)))) + + (define entries + (manifest-entries manifest)) + + (define (depends? drv in out) + ;; Return true if DRV depends (directly or indirectly) on all of IN + ;; and none of OUT. + (let ((set (list->set + (requisites store + (list (derivation-file-name drv))))) + (in (map derivation-file-name in)) + (out (map derivation-file-name out))) + (and (every (cut set-contains? set <>) in) + (not (any (cut set-contains? set <>) out))))) + + (define (lookup name) + (run-with-store store + (lower-object + (manifest-entry-item + (manifest-lookup manifest + (manifest-pattern (name name))))))) + + (let ((drv-guix (lookup "guix")) + (drv0 (lookup "a")) + (drv1 (lookup "b")) + (drv2 (lookup "c")) + (drv3 (lookup "d"))) + (and (depends? drv-guix '() (list drv0 drv1 drv2 drv3)) + (depends? drv0 + (list) (list drv1 drv2 drv3)) + (depends? drv1 + (list drv0) (list drv2 drv3)) + (depends? drv2 + (list drv1) (list drv3)) + (depends? drv3 + (list drv2 drv0) (list)))))))) + (test-end "channels") |