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-rw-r--r--lib/spack/spack/test/package_sanity.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/spack/spack/test/package_sanity.py b/lib/spack/spack/test/package_sanity.py
index 65861273cd..fc27f831c3 100644
--- a/lib/spack/spack/test/package_sanity.py
+++ b/lib/spack/spack/test/package_sanity.py
@@ -60,3 +60,13 @@ def test_all_versions_are_lowercase():
errors.append(name)
assert len(errors) == 0
+
+
+def test_all_virtual_packages_have_default_providers():
+ """All virtual packages must have a default provider explicitly set."""
+ defaults = spack.config.get_config('packages', scope='defaults')
+ default_providers = defaults['all']['providers']
+ providers = spack.repo.provider_index.providers
+
+ for provider in providers:
+ assert provider in default_providers