melange: add installation test for two modes (#5)

Signed-off-by: Javier Chávarri <[email protected]>

test/blackbox-tests/test-cases/melange/emit-installed-two-modes.t

@@ -0,0 +1,94 @@
+Test dependency on installed package
+
+  $ mkdir a b c prefix
+
+  $ cat > a/dune-project <<EOF
+  > (lang dune 3.6)
+  > (package (name a))
+  > (using melange 0.1)
+  > EOF
+  $ cat > a/dune <<EOF
+  > (library
+  >  (modes byte melange)
+  >  (public_name a))
+  > EOF
+
+  $ cat > a/foo.ml <<EOF
+  > let x = "foo"
+  > EOF
+
+  $ dune build --root a
+  Entering directory 'a'
+  Leaving directory 'a'
+
+  $ dune install --root a --prefix $PWD/prefix
+  Installing $TESTCASE_ROOT/prefix/lib/a/META
+  Installing $TESTCASE_ROOT/prefix/lib/a/a.cma
+  Installing $TESTCASE_ROOT/prefix/lib/a/a.cmi
+  Installing $TESTCASE_ROOT/prefix/lib/a/a.cmt
+  Installing $TESTCASE_ROOT/prefix/lib/a/a.ml
+  Installing $TESTCASE_ROOT/prefix/lib/a/a__Foo.cmi
+  Installing $TESTCASE_ROOT/prefix/lib/a/a__Foo.cmt
+  Installing $TESTCASE_ROOT/prefix/lib/a/dune-package
+  Installing $TESTCASE_ROOT/prefix/lib/a/foo.ml
+  Installing $TESTCASE_ROOT/prefix/lib/a/melange/a.cmi
+  Installing $TESTCASE_ROOT/prefix/lib/a/melange/a.cmj
+  Installing $TESTCASE_ROOT/prefix/lib/a/melange/a.cmt
+  Installing $TESTCASE_ROOT/prefix/lib/a/melange/a__Foo.cmi
+  Installing $TESTCASE_ROOT/prefix/lib/a/melange/a__Foo.cmj
+  Installing $TESTCASE_ROOT/prefix/lib/a/melange/a__Foo.cmt
+
+  $ cat >b/dune-project <<EOF
+  > (lang dune 3.6)
+  > (using melange 0.1)
+  > EOF
+
+  $ cat > b/dune <<EOF
+  > (melange.emit
+  >  (target dist)
+  >  (alias dist)
+  >  (libraries a)
+  >  (module_system commonjs))
+  > EOF
+
+  $ cat > b/bar.ml <<EOF
+  > let x = Js.log A.Foo.x
+  > EOF
+
+  $ OCAMLPATH=$PWD/prefix/lib/:$OCAMLPATH dune build --root b @dist --display=short
+  Entering directory 'b'
+          melc dist/node_modules/a/a.js
+          melc dist/node_modules/a/foo.js
+          melc .dist.mobjs/melange/melange__Bar.{cmi,cmj,cmt}
+          melc dist/bar.js
+  Leaving directory 'b'
+
+  $ node b/_build/default/dist/bar.js
+  foo
+
+  $ cat >c/dune-project <<EOF
+  > (lang dune 3.6)
+  > (using melange 0.1)
+  > EOF
+
+  $ cat > c/dune <<EOF
+  > (melange.emit
+  >  (target dist)
+  >  (alias dist)
+  >  (libraries a)
+  >  (module_system commonjs))
+  > EOF
+
+  $ cat > c/dune <<EOF
+  > (executable
+  >  (name bar)
+  >  (modes byte)
+  >  (libraries a))
+  > EOF
+
+  $ cat > c/bar.ml <<EOF
+  > let () = print_endline A.Foo.x
+  > EOF
+
+  $ OCAMLPATH=$PWD/prefix/lib/:$OCAMLPATH dune exec ./c/bar.exe
+  foo