unikernel/duniverse/dune_/test/blackbox-tests/test-cases/config/config-in-workspace-file.t

@@ -0,0 +1,68 @@
+Test that we can write config parameters in both the configuration
+file and the workspace file.
+
+  $ echo '(lang dune 3.0)' > dune-project
+  $ cat >dune<<EOF
+  > (rule
+  >  (alias default)
+  >  (action (run echo "Hello, world!")))
+  > EOF
+
+Setting such options is not supported with older Dune:
+
+  $ cat >dune-workspace<<EOF
+  > (lang dune 2.8)
+  > (display short)
+  > EOF
+  $ dune build -f
+  File "dune-workspace", line 2, characters 0-15:
+  2 | (display short)
+      ^^^^^^^^^^^^^^^
+  Error: 'display' is only available since version 3.0 of the dune language.
+  Please update your dune config file to have (lang dune 3.0).
+  [1]
+
+But is supported with Dune >= 3.0.0:
+
+  $ cat >dune-workspace<<EOF
+  > (lang dune 3.0)
+  > (display short)
+  > EOF
+  $ dune build -f
+          echo alias default
+  Hello, world!
+
+  $ cat >dune-workspace<<EOF
+  > (lang dune 3.0)
+  > (display verbose)
+  > EOF
+  $ dune build -f 2>&1 | grep Hello | sed 's/&&.*echo/\&\& echo/'
+  Running[1]: (cd _build/default && echo 'Hello, world!')
+  Hello, world!
+
+Make sure errors related to fields other than the ones allowed in the
+config field are not reported if we don't need to evaluate these
+fields:
+
+  $ mkdir errors
+  $ cd errors
+
+  $ cat >dune-workspace<<EOF
+  > (lang dune 3.0)
+  > (context (blah))
+  > EOF
+
+  $ dune init project foo
+  Entering directory 'foo'
+  Success: initialized project component named foo
+  Leaving directory 'foo'
+
+But if we do the build we do get an error:
+
+  $ dune build
+  File "dune-workspace", line 2, characters 10-14:
+  2 | (context (blah))
+                ^^^^
+  Error: Unknown constructor blah
+  [1]
+

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/config/config-version.t

@@ -0,0 +1,49 @@
+Tests verifying that the config file presents accurate error or warning
+messages when a stanza is used with a version of dune which does not support
+such a stanza.
+
+Create a config file to use in the following tests. We will initialize the 
+config with a version and a stanza incompatable with that version.
+
+  $ export DUNE_CACHE_ROOT=$PWD/dune-cache
+  $ touch dune-config
+  $ cat >dune-config <<EOF
+  > (lang dune 1.0)
+  > (cache enabled)
+  > EOF
+
+Attempt to initialize a new project while an invaild stanza due to versioning
+exists in the config.
+
+  $ dune init proj test --config-file=dune-config
+  File "$TESTCASE_ROOT/dune-config", line 2, characters 0-15:
+  2 | (cache enabled)
+      ^^^^^^^^^^^^^^^
+  Error: 'cache' is only available since version 2.0 of the dune language.
+  Please update your dune config file to have (lang dune 2.0).
+  [1]
+
+Update the dune configuration with a version that would support the 
+'(cache enabled)' stanza and attempt a successful project initialization.
+
+  $ cat >dune-config <<EOF
+  > (lang dune 2.0)
+  > (cache enabled)
+  > EOF
+
+  $ dune init proj test_vaild --config-file=dune-config
+  Entering directory 'test_vaild'
+  Success: initialized project component named test_vaild
+  Leaving directory 'test_vaild'
+
+Append an invaild stanza to the config file and attempt project initialzation.
+
+  $ echo "(cache-check-probability 0.5)" >> dune-config
+  $ dune init proj test --config-file=dune-config
+  File "$TESTCASE_ROOT/dune-config", line 3, characters 0-29:
+  3 | (cache-check-probability 0.5)
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  Error: 'cache-check-probability' is only available since version 2.7 of the
+  dune language. Please update your dune config file to have (lang dune 2.7).
+  [1]
+