1 files changed, 37 insertions, 0 deletions
diff --git a/test/unit/modify_yaml_tests.py b/test/unit/modify_yaml_tests.py
new file mode 100644
index 000000000..65b2db44c
--- /dev/null
+++ b/test/unit/modify_yaml_tests.py
@@ -0,0 +1,37 @@
+""" Tests for the modify_yaml Ansible module. """
+# pylint: disable=missing-docstring,invalid-name
+
+import os
+import sys
+import unittest
+
+sys.path = [os.path.abspath(os.path.dirname(__file__) + "/../../library/")] + sys.path
+
+# pylint: disable=import-error
+from modify_yaml import set_key  # noqa: E402
+
+
+class ModifyYamlTests(unittest.TestCase):
+
+    def test_simple_nested_value(self):
+        cfg = {"section": {"a": 1, "b": 2}}
+        changes = set_key(cfg, 'section.c', 3)
+        self.assertEquals(1, len(changes))
+        self.assertEquals(3, cfg['section']['c'])
+
+    # Tests a previous bug where property would land in section above where it should,
+    # if the destination section did not yet exist:
+    def test_nested_property_in_new_section(self):
+        cfg = {
+            "masterClients": {
+                "externalKubernetesKubeConfig": "",
+                "openshiftLoopbackKubeConfig": "openshift-master.kubeconfig",
+            },
+        }
+
+        yaml_key = 'masterClients.externalKubernetesClientConnectionOverrides.acceptContentTypes'
+        yaml_value = 'application/vnd.kubernetes.protobuf,application/json'
+        set_key(cfg, yaml_key, yaml_value)
+        self.assertEquals(yaml_value, cfg['masterClients']
+                          ['externalKubernetesClientConnectionOverrides']
+                          ['acceptContentTypes'])