2 files changed, 39 insertions, 0 deletions
diff --git a/var/spack/repos/builtin.mock/packages/some-virtual-mv/package.py b/var/spack/repos/builtin.mock/packages/some-virtual-mv/package.py
new file mode 100644
index 0000000000..0aeb6d0c0a
--- /dev/null
+++ b/var/spack/repos/builtin.mock/packages/some-virtual-mv/package.py
@@ -0,0 +1,22 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class SomeVirtualMv(Package):
+    """Package providing a virtual dependency and with a multivalued variant."""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/foo-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    provides('somevirtual')
+
+    # This multi valued variant is needed to trigger an optimization
+    # criteria for clingo
+    variant('libs', default='shared,static', values=('shared', 'static'),
+            multi=True, description='Build shared libs, static libs or both')
diff --git a/var/spack/repos/builtin.mock/packages/some-virtual-preferred/package.py b/var/spack/repos/builtin.mock/packages/some-virtual-preferred/package.py
new file mode 100644
index 0000000000..1e8ba80526
--- /dev/null
+++ b/var/spack/repos/builtin.mock/packages/some-virtual-preferred/package.py
@@ -0,0 +1,17 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class SomeVirtualPreferred(Package):
+    """Package providing a virtual dependency with a preference in packages.yaml"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/foo-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    provides('somevirtual')