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authorLudovic Courtès <ludo@gnu.org>2012-07-01 00:37:03 +0200
committerLudovic Courtès <ludo@gnu.org>2012-07-01 00:37:03 +0200
commit9a20830e57ea50dd73897725ad656a3b9e66f1ef (patch)
treecec6e88da4c3fff415562c30848e55c4bee934b3 /tests
parent31ef99a8a590cc52cea0cfda3d45651504bf1cb9 (diff)
downloadguix-9a20830e57ea50dd73897725ad656a3b9e66f1ef.tar.gz
Add `derivation-prerequisites' and `derivation-prerequisites-to-build'.
* guix/derivations.scm (derivation-prerequisites,
  derivation-prerequisites-to-build): New procedures.

* tests/derivations.scm ("build-expression->derivation and
  derivation-prerequisites", "build-expression->derivation and
  derivation-prerequisites-to-build"): New tests.
Diffstat (limited to 'tests')
-rw-r--r--tests/derivations.scm19
1 files changed, 18 insertions, 1 deletions
diff --git a/tests/derivations.scm b/tests/derivations.scm
index 3fc7097a87..b6bd4dab0d 100644
--- a/tests/derivations.scm
+++ b/tests/derivations.scm
@@ -172,7 +172,16 @@
            (and (valid-path? %store p)
                 (file-exists? (string-append p "/good")))))))
 
-(test-skip (if (%guile-for-build) 0 4))
+(test-skip (if (%guile-for-build) 0 6))
+
+(test-assert "build-expression->derivation and derivation-prerequisites"
+  (let-values (((drv-path drv)
+                (build-expression->derivation %store "fail" (%current-system)
+                                              #f '())))
+    (any (match-lambda
+          (($ <derivation-input> path)
+           (string=? path (%guile-for-build))))
+         (derivation-prerequisites drv))))
 
 (test-assert "build-expression->derivation without inputs"
   (let* ((builder    '(begin
@@ -188,6 +197,14 @@
            (equal? '(hello guix)
                    (call-with-input-file (string-append p "/test") read))))))
 
+(test-assert "build-expression->derivation and derivation-prerequisites-to-build"
+  (let-values (((drv-path drv)
+                (build-expression->derivation %store "fail" (%current-system)
+                                              #f '())))
+    ;; The only direct dependency is (%guile-for-build) and it's already
+    ;; built.
+    (null? (derivation-prerequisites-to-build %store drv))))
+
 (test-assert "build-expression->derivation with expression returning #f"
   (let* ((builder  '(begin
                       (mkdir %output)