unikernel/duniverse/dune_/test/blackbox-tests/test-cases/package-name-strict.t

@@ -0,0 +1,63 @@
+Version check:
+
+  $ cat > dune-project << EOF
+  > (lang dune 3.10)
+  > (package
+  >  (name some&name)
+  >  (allow_empty))
+  > EOF
+  $ dune build
+
+Validation:
+
+  $ test() {
+  > cat > dune-project << EOF
+  > (lang dune 3.11)
+  > (package
+  >  (name $1)
+  >  (allow_empty))
+  > EOF
+  > dune build
+  > }
+
+  $ test 'some&name'
+  File "dune-project", line 3, characters 7-16:
+  3 |  (name some&name)
+             ^^^^^^^^^
+  Error: "some&name" is an invalid opam package name.
+  Package names can contain letters, numbers, '-', '_' and '+', and need to
+  contain at least a letter.
+  Hint: some_name would be a correct opam package name
+  [1]
+
+Leading invalid characters are removed:
+
+  $ test '0test'
+
+When all characters are removed, a valid name is suggested:
+
+  $ test '0'
+  File "dune-project", line 3, characters 7-8:
+  3 |  (name 0)
+             ^
+  Error: "0" is an invalid opam package name.
+  Package names can contain letters, numbers, '-', '_' and '+', and need to
+  contain at least a letter.
+  Hint: p0 would be a correct opam package name
+  [1]
+
+A package name can start with a number:
+
+  $ test 0install
+
+But it needs at least a letter:
+
+  $ test 0-9
+  File "dune-project", line 3, characters 7-10:
+  3 |  (name 0-9)
+             ^^^
+  Error: "0-9" is an invalid opam package name.
+  Package names can contain letters, numbers, '-', '_' and '+', and need to
+  contain at least a letter.
+  Hint: p0-9 would be a correct opam package name
+  [1]