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authorLudovic Courtès <ludo@gnu.org>2017-11-14 10:16:22 +0100
committerLudovic Courtès <ludo@gnu.org>2020-05-16 00:34:41 +0200
commit644cb40cd83eff8a5bcdbd2d63887daa18228f41 (patch)
treee470f35ad20a8ad6805d2a8e7b03897bc10f6098 /tests/gexp.scm
parentd03001a31a6d460b712825640dba11e3f1a53a14 (diff)
gexp: Add 'let-system'.
* guix/gexp.scm (<system-binding>): New record type. (let-system): New macro. (system-binding-compiler): New procedure. (default-expander): Add 'self-quoting?' case. (self-quoting?): New procedure. (lower-inputs): Add 'filterm'. Pass the result of 'mapm/accumulate-builds' through FILTERM. (gexp->sexp)[self-quoting?]: Remove. * tests/gexp.scm ("let-system", "let-system, target") ("let-system, ungexp-native, target") ("let-system, nested"): New tests. * doc/guix.texi (G-Expressions): Document it.
Diffstat (limited to 'tests/gexp.scm')
-rw-r--r--tests/gexp.scm54
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/gexp.scm b/tests/gexp.scm
index 6a42d3eb57..e073a7b816 100644
--- a/tests/gexp.scm
+++ b/tests/gexp.scm
@@ -321,6 +321,60 @@
(string=? result
(string-append (derivation->output-path drv)
"/bin/touch"))))))
+(test-equal "let-system"
+ (list `(begin ,(%current-system) #t) '(system-binding) '()
+ 'low '() '())
+ (let* ((exp #~(begin
+ #$(let-system system system)
+ #t))
+ (low (run-with-store %store (lower-gexp exp))))
+ (list (lowered-gexp-sexp low)
+ (match (gexp-inputs exp)
+ (((($ (@@ (guix gexp) <system-binding>)) "out"))
+ '(system-binding))
+ (x x))
+ (gexp-native-inputs exp)
+ 'low
+ (lowered-gexp-inputs low)
+ (lowered-gexp-sources low))))
+
+(test-equal "let-system, target"
+ (list `(list ,(%current-system) #f)
+ `(list ,(%current-system) "aarch64-linux-gnu"))
+ (let ((exp #~(list #$@(let-system (system target)
+ (list system target)))))
+ (list (gexp->sexp* exp)
+ (gexp->sexp* exp "aarch64-linux-gnu"))))
+
+(test-equal "let-system, ungexp-native, target"
+ `(here it is: ,(%current-system) #f)
+ (let ((exp #~(here it is: #+@(let-system (system target)
+ (list system target)))))
+ (gexp->sexp* exp "aarch64-linux-gnu")))
+
+(test-equal "let-system, nested"
+ (list `(system* ,(string-append "qemu-system-" (%current-system))
+ "-m" "256")
+ '()
+ '(system-binding))
+ (let ((exp #~(system*
+ #+(let-system (system target)
+ (file-append (@@ (gnu packages virtualization)
+ qemu)
+ "/bin/qemu-system-"
+ system))
+ "-m" "256")))
+ (list (match (gexp->sexp* exp)
+ (('system* command rest ...)
+ `(system* ,(and (string-prefix? (%store-prefix) command)
+ (basename command))
+ ,@rest))
+ (x x))
+ (gexp-inputs exp)
+ (match (gexp-native-inputs exp)
+ (((($ (@@ (guix gexp) <system-binding>)) "out"))
+ '(system-binding))
+ (x x)))))
(test-assert "ungexp + ungexp-native"
(let* ((exp (gexp (list (ungexp-native %bootstrap-guile)