Add test case for issue #314.

Author: fabiocaccamo

tests/github/test_issue_0314.py

@@ -0,0 +1,36 @@
+import unittest
+
+import yaml
+
+from benedict import benedict
+
+
+class github_issue_0314_test_case(unittest.TestCase):
+    """
+    This class describes a github issue 0314 test case.
+    https://github.com/fabiocaccamo/python-benedict/issues/294
+
+    To run this specific test:
+    - Run python -m unittest tests.github.test_issue_0314
+    """
+
+    def test_yaml_serializer_produces_inconsistent_results(self):
+        b = benedict({"foo": "foo"})
+        b["hello.world"] = "hello world"
+
+        # output as custom object using yaml manually
+        print(yaml.dump({"world": dict(b)}))
+
+        # output as custom object using yaml manually
+        print(yaml.dump({"world": b}))
+
+        # output as normal dict using yaml manually
+        print(yaml.dump({"world": b.dict()}))
+
+        # output as normal dict using benedict yaml serializer
+        print(benedict({"world": b}).to_yaml())
+
+        self.assertEqual(
+            yaml.dump({"world": b.dict()}),
+            benedict({"world": b}).to_yaml(),
+        )