tests: verify ValueError results for repo __getitem__() calls

Author: radhermit

tests/repo/base.py

@@ -120,6 +120,11 @@ def test_getitem_base(self, repo):
             with pytest.raises(KeyError):
                 _ = repo[obj]
 
+        # invalid key values
+        for obj in ("<cat/pkg", "maintainer is"):
+            with pytest.raises(ValueError):
+                repo[obj]
+
         # invalid key types
         for obj in (object(), None):
             with pytest.raises(TypeError):

tests/repo/test_set.py

@@ -171,6 +171,11 @@ def test_getitem(self, make_fake_repo):
         assert s[Dep("=cat/pkg-1::r2")] == pkg1
         assert s["cat/pkg-2"] == pkg2
 
+        # invalid key values
+        for obj in ("<cat/pkg", "maintainer is"):
+            with pytest.raises(ValueError):
+                s[obj]
+
         # invalid key types
         for obj in (object(), None):
             with pytest.raises(TypeError):