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authorLudovic Courtès <ludo@gnu.org>2015-02-25 23:31:51 +0100
committerLudovic Courtès <ludo@gnu.org>2015-02-26 00:04:36 +0100
commitb3f213893b67620840597213b8f46af1ddfb4934 (patch)
treeabfa807e3a38e60c86e2ff1bf79e2dc55a06acd6 /tests
parent72bfebf58d9203c6a09266dd2a20719bed6e27e9 (diff)
downloadguix-b3f213893b67620840597213b8f46af1ddfb4934.tar.gz
ui: Factorize command-line + env. var. option parsing.
* guix/ui.scm (%default-argument-handler, parse-command-line): New
  procedures.
  (environment-build-options): Make private.
* guix/scripts/archive.scm (guix-archive)[parse-options,
  parse-options-from]: Remove.  Use 'parse-command-line' instead.
* guix/scripts/build.scm (guix-build): Likewise.
* guix/scripts/environment.scm (guix-environment): Likewise.
* guix/scripts/package.scm (guix-package): Likewise.
* guix/scripts/system.scm (guix-system): Likewise.
* tests/ui.scm (with-environment-variable): New macro.
  ("parse-command-line"): New test.
Diffstat (limited to 'tests')
-rw-r--r--tests/ui.scm31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui.scm b/tests/ui.scm
index 25fc709431..c71fc71cc1 100644
--- a/tests/ui.scm
+++ b/tests/ui.scm
@@ -22,6 +22,8 @@
   #:use-module (guix profiles)
   #:use-module (guix store)
   #:use-module (guix derivations)
+  #:use-module ((guix scripts build)
+                #:select (%standard-build-options))
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-11)
   #:use-module (srfi srfi-19)
@@ -52,9 +54,34 @@ interface, and powerful string processing.")
     (item "/gnu/store/...")
     (output "out")))
 
+(define-syntax-rule (with-environment-variable variable value body ...)
+  "Run BODY with VARIABLE set to VALUE."
+  (let ((orig (getenv variable)))
+    (dynamic-wind
+      (lambda ()
+        (setenv variable value))
+      (lambda ()
+        body ...)
+      (lambda ()
+        (if orig
+            (setenv variable orig)
+            (unsetenv variable))))))
+
 
 (test-begin "ui")
 
+(test-equal "parse-command-line"
+  '((argument . "bar") (argument . "foo")
+    (cores . 10)                                  ;takes precedence
+    (substitutes? . #f) (keep-failed? . #t)
+    (max-jobs . 77) (cores . 42))
+
+  (with-environment-variable "GUIX_BUILD_OPTIONS" "-c 42 -M 77"
+    (parse-command-line '("--keep-failed" "--no-substitutes"
+                          "--cores=10" "foo" "bar")
+                        %standard-build-options
+                        (list '()))))
+
 (test-assert "fill-paragraph"
   (every (lambda (column)
            (every (lambda (width)
@@ -246,3 +273,7 @@ Second line" 24))
 
 
 (exit (= (test-runner-fail-count (test-runner-current)) 0))
+
+;;; Local Variables:
+;;; eval: (put 'with-environment-variable 'scheme-indent-function 2)
+;;; End: