unikernel/duniverse/dune_/test/blackbox-tests/test-cases/pkg/opam-file.t

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+Tests for reading dependencies out of opam files
+
+  $ . ./helpers.sh
+  $ mkrepo
+  $ add_mock_repo_if_needed
+
+  $ cat >dune-project <<EOF
+  > (lang dune 3.17)
+  > EOF
+
+Make sure we can read an disjunction from the opam file and solve a project
+respecting the filters.
+
+  $ mkpkg a
+  $ mkpkg b
+
+A package that depends on a disjunction should solve correctly with either side
+of the disjunction to be picked for a solution:
+
+  $ cat > x.opam <<EOF
+  > opam-version: "2.0"
+  > depends: [
+  >   "a" | "b"
+  > ]
+  > EOF
+  $ dune pkg lock
+  Solution for dune.lock:
+  - a.0.0.1
+
+With the right filters, the other side of the disjunction should get picked:
+
+  $ cat > x.opam <<EOF
+  > opam-version: "2.0"
+  > depends: [
+  >   "a" {> "1.0"} | "b" {< "1.0"}
+  > ]
+  > EOF
+  $ dune pkg lock
+  Solution for dune.lock:
+  - b.0.0.1
+
+Unreachable packages should not be included. In the next test, "b" should not
+be included in the lock directory because it is a post dep. Those are only
+necessary during solving.
+
+  $ cat > x.opam <<EOF
+  > opam-version: "2.0"
+  > depends: [
+  >   "a" {> "1.0"} | "b" {< "1.0" post}
+  > ]
+  > EOF
+  $ dune pkg lock
+  Solution for dune.lock:
+  (no dependencies to lock)