1 files changed, 27 insertions, 0 deletions
diff --git a/taskcluster/taskgraph/test/test_util_yaml.py b/taskcluster/taskgraph/test/test_util_yaml.py
new file mode 100644
index 0000000000..5034db2d7c
--- /dev/null
+++ b/taskcluster/taskgraph/test/test_util_yaml.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+import unittest
+
+from taskgraph.util import yaml
+from mozunit import main, MockedOpen
+
+FOO_YML = """\
+prop:
+    - val1
+"""
+
+
+class TestYaml(unittest.TestCase):
+    def test_load(self):
+        with MockedOpen({"/dir1/dir2/foo.yml": FOO_YML}):
+            self.assertEqual(
+                yaml.load_yaml("/dir1/dir2", "foo.yml"), {"prop": ["val1"]}
+            )
+
+
+if __name__ == "__main__":
+    main()