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authorMaxime Devos <maximedevos@telenet.be>2021-06-28 19:24:44 +0200
committerMathieu Othacehe <othacehe@gnu.org>2021-06-30 13:53:00 +0200
commitd9e0ae07db5cb9f949c11f4ee77146a070c2618c (patch)
treeeb4222919d1f19cf852f92ecea58fe4704d9d2a4 /tests
parentebf07a06f0a29eac6b5f115b10fc1eb7574f060c (diff)
downloadguix-d9e0ae07db5cb9f949c11f4ee77146a070c2618c.tar.gz
guix: gexp: Define gexp->approximate-sexp.
It will be used in the 'optional-tests' linter.

* guix/gexp.scm (gexp->approximate-sexp): New procedure.
* tests/gexp.scm
  ("no references", "unquoted gexp", "unquoted gexp (native)")
  ("spliced gexp", "unspliced gexp, approximated")
  ("unquoted gexp, approximated"): Test it.
* doc/gexp.scm ("G-Expressions"): Document it.

Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
Diffstat (limited to 'tests')
-rw-r--r--tests/gexp.scm31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/gexp.scm b/tests/gexp.scm
index 834e78b9a0..39a47d4e8c 100644
--- a/tests/gexp.scm
+++ b/tests/gexp.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -89,6 +90,36 @@
 
 (test-begin "gexp")
 
+(test-equal "no references"
+  '(display "hello gexp->approximate-sexp!")
+  (gexp->approximate-sexp #~(display "hello gexp->approximate-sexp!")))
+
+(test-equal "unquoted gexp"
+  '(display "hello")
+  (let ((inside #~"hello"))
+    (gexp->approximate-sexp #~(display #$inside))))
+
+(test-equal "unquoted gexp (native)"
+  '(display "hello")
+  (let ((inside #~"hello"))
+    (gexp->approximate-sexp #~(display #+inside))))
+
+(test-equal "spliced gexp"
+  '(display '(fresh vegetables))
+  (let ((inside #~(fresh vegetables)))
+    (gexp->approximate-sexp #~(display '(#$@inside)))))
+
+(test-equal "unspliced gexp, approximated"
+  ;; (*approximate*) is really an implementation detail
+  '(display '(*approximate*))
+  (let ((inside (file-append coreutils "/bin/hello")))
+    (gexp->approximate-sexp #~(display '(#$@inside)))))
+
+(test-equal "unquoted gexp, approximated"
+  '(display '(*approximate*))
+  (let ((inside (file-append coreutils "/bin/hello")))
+    (gexp->approximate-sexp #~(display '#$inside))))
+
 (test-equal "no refs"
   '(display "hello!")
   (let ((exp (gexp (display "hello!"))))