unikernel/duniverse/dune_/test/blackbox-tests/test-cases/pkg/conflict-class.t

@@ -0,0 +1,59 @@
+This test demonstrates a local package that's in the same conflict-class of a
+dependency.
+
+  $ . ./helpers.sh
+
+  $ mkrepo
+  $ add_mock_repo_if_needed
+
+  $ mkpkg conflict-class
+
+  $ mkpkg bar <<EOF
+  > conflict-class: "ccc"
+  > EOF
+
+Local conflict class defined in a local package:
+
+  $ cat >foo.opam <<EOF
+  > opam-version: "2.0"
+  > depends: [ "bar" ]
+  > conflict-class: "ccc"
+  > EOF
+
+  $ cat >x.opam <<EOF
+  > opam-version: "2.0"
+  > depends: "foo"
+  > EOF
+
+  $ cat >dune-project <<EOF
+  > (lang dune 3.11)
+  > EOF
+
+  $ dune pkg lock
+  Error: Unable to solve dependencies for the following lock directories:
+  Lock directory dune.lock:
+  Couldn't solve the package dependency formula.
+  Selected candidates: foo.dev x.dev foo&x
+  - bar -> (problem)
+      Rejected candidates:
+        bar.0.0.1: In same conflict class (ccc) as foo
+  [1]
+
+Now the conflict class comes from the opam repository
+
+  $ mkpkg foo <<EOF
+  > depends: [ "bar" ]
+  > conflict-class: "ccc"
+  > EOF
+
+  $ rm foo.opam
+
+  $ dune pkg lock
+  Error: Unable to solve dependencies for the following lock directories:
+  Lock directory dune.lock:
+  Couldn't solve the package dependency formula.
+  Selected candidates: foo.0.0.1 x.dev
+  - bar -> (problem)
+      Rejected candidates:
+        bar.0.0.1: In same conflict class (ccc) as foo
+  [1]