* guix/tests.scm (derivation-narinfo, call-with-derivation-narinfo): New procedures. (with-derivation-narinfo): New macro. * tests/derivations.scm ("derivation-prerequisites-to-build and substitutes"): Use them.
* guix/tests.scm: New file. * Makefile.am (noinst_DATA): New variable. (GOBJECTS): Add guix/tests.go. * tests/builders.scm (%store): Use 'open-connection-for-tests' from (guix tests). * tests/derivations.scm: Likewise. * tests/monads.scm: Likewise. * tests/packages.scm: Likewise. * tests/profiles.scm: Likewise. * tests/union.scm: Likewise. * tests/gexp.scm: Likewise. (guile-for-build): Remove. Use (%guile-for-build) instead. * tests/nar.scm (make-random-bytevector, %seed, random-text): Remove. (populate-file): Change 'make-random-bytevector' to 'random-bytevector'. Use (guix tests). * tests/store.scm (%seed, random-text): Remove. Use (guix tests).
Ludovic Courtès