unikernel/duniverse/dune_/test/blackbox-tests/test-cases/melange/target-validation.t

@@ -0,0 +1,80 @@
+Validation of target field in melange.emit stanzas
+
+  $ cat > dune-project <<EOF
+  > (lang dune 3.8)
+  > (using melange 0.1)
+  > EOF
+
+Target should not be empty
+
+  $ lib=foo
+  $ cat > dune <<EOF
+  > (library
+  >  (name $lib)
+  >  (modes melange))
+  > (melange.emit
+  >  (target "")
+  >  (emit_stdlib false)
+  >  (libraries $foo)
+  >  (module_system es6))
+  > EOF
+
+  $ dune build
+  File "dune", line 5, characters 9-11:
+  5 |  (target "")
+               ^^
+  Error: The field target can not be empty
+  [1]
+
+Target should not try to descend into subdirectories
+
+  $ cat > dune <<EOF
+  > (library
+  >  (name $lib)
+  >  (modes melange))
+  > (melange.emit
+  >  (target foo/bar)
+  >  (emit_stdlib false)
+  >  (libraries $foo)
+  >  (module_system es6))
+  > EOF
+
+  $ dune build
+  File "dune", line 5, characters 9-16:
+  5 |  (target foo/bar)
+               ^^^^^^^
+  Error: The field target must use simple names and can not include paths to
+  other folders. To emit JavaScript files in another folder, move the
+  `melange.emit` stanza to that folder
+  [1]
+
+Target should not try to escape into parent directories
+
+  $ rm dune
+  $ mkdir bar
+  $ mkdir foo
+  $ cat > bar/dune <<EOF
+  > (library
+  >  (name bar)
+  >  (modes melange))
+  > EOF
+
+  $ cat > foo/dune <<EOF
+  > (library
+  >  (name $lib)
+  >  (modes melange))
+  > (melange.emit
+  >  (target ../bar)
+  >  (emit_stdlib false)
+  >  (libraries $foo)
+  >  (module_system es6))
+  > EOF
+
+  $ dune build
+  File "foo/dune", line 5, characters 9-15:
+  5 |  (target ../bar)
+               ^^^^^^
+  Error: The field target must use simple names and can not include paths to
+  other folders. To emit JavaScript files in another folder, move the
+  `melange.emit` stanza to that folder
+  [1]