unikernel/duniverse/dune_/test/blackbox-tests/test-cases/variables/variable-resolution.t

@@ -0,0 +1,93 @@
+Test various aspect of variable resolution
+
+  $ test ()
+  > {
+  >   cat >dune
+  >   echo
+  >   echo "*** Behavior with Dune 2.8 ***"
+  >   echo '(lang dune 2.8)' > dune-project
+  >   dune build
+  >   echo "exit code: $?"
+  >   echo
+  >   echo "*** Behavior with Dune 3.0 ***"
+  >   echo '(lang dune 3.0)' > dune-project
+  >   dune build
+  >   echo "exit code: $?"
+  > }
+
+Unknown variable:
+
+  $ test <<EOF
+  > (alias
+  >  (name default)
+  >  (deps %{unknown}))
+  > EOF
+  
+  *** Behavior with Dune 2.8 ***
+  File "dune", line 3, characters 7-17:
+  3 |  (deps %{unknown}))
+             ^^^^^^^^^^
+  Error: Unknown variable %{unknown}
+  exit code: 1
+  
+  *** Behavior with Dune 3.0 ***
+  File "dune", line 3, characters 7-17:
+  3 |  (deps %{unknown}))
+             ^^^^^^^^^^
+  Error: Unknown variable %{unknown}
+  exit code: 1
+
+Unknown variable that we don't need to resolve:
+
+  $ test <<EOF
+  > (alias
+  >  (name other)
+  >  (deps %{unknown}))
+  > EOF
+  
+  *** Behavior with Dune 2.8 ***
+  exit code: 0
+  
+  *** Behavior with Dune 3.0 ***
+  File "dune", line 3, characters 7-17:
+  3 |  (deps %{unknown}))
+             ^^^^^^^^^^
+  Error: Unknown variable %{unknown}
+  exit code: 1
+
+Specific variable used at the wrong place:
+
+  $ test <<EOF
+  > (alias
+  >  (name default)
+  >  (deps %{library-name}))
+  > EOF
+  
+  *** Behavior with Dune 2.8 ***
+  File "dune", line 3, characters 7-22:
+  3 |  (deps %{library-name}))
+             ^^^^^^^^^^^^^^^
+  Error: %{library-name} isn't allowed in this position.
+  exit code: 1
+  
+  *** Behavior with Dune 3.0 ***
+  File "dune", line 3, characters 7-22:
+  3 |  (deps %{library-name}))
+             ^^^^^^^^^^^^^^^
+  Error: %{library-name} isn't allowed in this position.
+  exit code: 1
+
+Specific variable used at the wrong place that we don't need to
+resolve:
+
+  $ test <<EOF
+  > (alias
+  >  (name other)
+  >  (deps %{library-name}))
+  > EOF
+  
+  *** Behavior with Dune 2.8 ***
+  exit code: 0
+  
+  *** Behavior with Dune 3.0 ***
+  exit code: 0