add tests

Author: anurudhp

qualtran/bloqs/bookkeeping/always_test.py

@@ -0,0 +1,20 @@
+#  Copyright 2025 Google LLC
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+from qualtran.bloqs.bookkeeping.always import Always
+from qualtran.bloqs.for_testing import TestAtom
+
+
+def test_always():
+    bloq = Always(TestAtom())
+    assert bloq.controlled() == bloq