unikernel/duniverse/dune_/test/blackbox-tests/test-cases/pkg/opam-package-with-subst.t

@@ -0,0 +1,37 @@
+We test how opam files with substs fields are translated into the dune.lock file.
+ 
+  $ . ./helpers.sh
+  $ mkrepo
+
+Make a package with a substs field 
+  $ mkpkg with-substs <<EOF
+  > substs: ["foo.ml"]
+  > build: [ "sh" "-c" "[ -e foo.ml ] && cat foo.ml" ]
+  > EOF
+
+  $ solve with-substs
+  Solution for dune.lock:
+  - with-substs.0.0.1
+  $ cat >>dune.lock/with-substs.pkg <<EOF
+  > (source (copy $PWD/source))
+  > EOF
+
+The lockfile should contain the substitute action.
+  $ cat dune.lock/with-substs.pkg
+  (version 0.0.1)
+  
+  (build
+   (progn
+    (substitute foo.ml.in foo.ml)
+    (run sh -c "[ -e foo.ml ] && cat foo.ml")))
+  (source (copy $TESTCASE_ROOT/source))
+
+  $ mkdir source
+  $ cat > source/foo.ml.in <<EOF
+  > I have been substituted.
+  > EOF
+
+The file foo.ml should have been built:
+
+  $ build_pkg with-substs
+  I have been substituted.