unikernel/duniverse/dune_/test/blackbox-tests/test-cases/pkg/env-conditional-dependencies.t

@@ -0,0 +1,66 @@
+  $ . ./helpers.sh
+  $ mkrepo
+ 
+A package with different linux and macos dependencies including a test-only
+dependency:
+  $ mkpkg foo <<EOF
+  > depends: [
+  >   "foo-linux" {os = "linux"}
+  >   "foo-macos" {os = "macos"}
+  >   "foo-macos-test-only" {os = "macos" & with-test}
+  > ]
+  > EOF
+  $ mkpkg foo-linux <<EOF
+  > available: os = "linux"
+  > EOF
+  $ mkpkg foo-linux-test-only <<EOF
+  > available: os = "linux"
+  > EOF
+  $ mkpkg foo-macos <<EOF
+  > available: os = "macos"
+  > EOF
+
+Create a workspace config that defines separate build contexts for macos and linux.
+  $ cat >dune-workspace <<EOF
+  > (lang dune 3.8)
+  > (lock_dir
+  >  (path dune.no-os.lock)
+  >  (repositories mock)
+  >  (solver_env
+  >   (unset_variables os)))
+  > (lock_dir
+  >  (path dune.linux.lock)
+  >  (repositories mock)
+  >  (solver_env
+  >   (os linux)))
+  > (lock_dir
+  >  (path dune.macos.lock)
+  >  (repositories mock)
+  >  (solver_env
+  >   (os macos)))
+  > (lock_dir
+  >  (path dune.lock)
+  >  (repositories mock))
+  > (context
+  >  (default
+  >   (name linux)
+  >   (lock_dir dune.linux.lock)))
+  > (context
+  >  (default
+  >   (name macos)
+  >   (lock_dir dune.macos.lock)))
+  > (repository
+  >  (name mock)
+  >  (url "file://$(pwd)/mock-opam-repository"))
+  > EOF
+
+Now the os-specific dependencies are included on their respective systems.
+  $ dune pkg lock --all
+  Solution for dune.linux.lock:
+  (no dependencies to lock)
+  Solution for dune.lock:
+  (no dependencies to lock)
+  Solution for dune.macos.lock:
+  (no dependencies to lock)
+  Solution for dune.no-os.lock:
+  (no dependencies to lock)