1 files changed, 34 insertions, 0 deletions
diff --git a/tests/default_info_subject.bzl b/tests/default_info_subject.bzl
new file mode 100644
index 0000000..205dc1e
--- /dev/null
+++ b/tests/default_info_subject.bzl
@@ -0,0 +1,34 @@
+# Copyright 2023 The Bazel Authors. All rights reserved.
+#
+# 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
+#
+#    http://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.
+"""DefaultInfo testing subject."""
+
+# TODO: Load this through truth.bzl#subjects when made available
+# https://github.com/bazelbuild/rules_testing/issues/54
+load("@rules_testing//lib/private:runfiles_subject.bzl", "RunfilesSubject")  # buildifier: disable=bzl-visibility
+
+# TODO: Use rules_testing's DefaultInfoSubject once it's available
+# https://github.com/bazelbuild/rules_testing/issues/52
+def default_info_subject(info, *, meta):
+    # buildifier: disable=uninitialized
+    public = struct(
+        runfiles = lambda *a, **k: _default_info_subject_runfiles(self, *a, **k),
+    )
+    self = struct(actual = info, meta = meta)
+    return public
+
+def _default_info_subject_runfiles(self):
+    return RunfilesSubject.new(
+        self.actual.default_runfiles,
+        meta = self.meta.derive("runfiles()"),
+    )