make extra var YAML serialization more robust to non-dict extra vars

awx/main/tests/unit/utils/test_safe_yaml.py

@@ -1,11 +1,25 @@
+# -*- coding: utf-8 -*-
+
 from copy import deepcopy
+import pytest
+import yaml
 from awx.main.utils.safe_yaml import safe_dump
 
 
+@pytest.mark.parametrize('value', [None, 1, 1.5, []])
+def test_native_types(value):
+    # Native non-string types should dump the same way that `yaml.safe_dump` does
+    assert safe_dump(value) == yaml.safe_dump(value)
+
+
 def test_empty():
     assert safe_dump({}) == ''
 
 
+def test_raw_string():
+    assert safe_dump('foo') == "!unsafe 'foo'\n"
+
+
 def test_kv_int():
     assert safe_dump({'a': 1}) == "!unsafe 'a': 1\n"
 
@@ -18,6 +32,10 @@ def test_kv_unsafe():
     assert safe_dump({'a': 'b'}) == "!unsafe 'a': !unsafe 'b'\n"
 
 
+def test_kv_unsafe_unicode():
+    assert safe_dump({'a': u'🐉'}) == '!unsafe \'a\': !unsafe "\\U0001F409"\n'
+
+
 def test_kv_unsafe_in_list():
     assert safe_dump({'a': ['b']}) == "!unsafe 'a':\n- !unsafe 'b'\n"
 
@@ -57,3 +75,11 @@ def test_safe_marking_deep_nesting():
     yaml = safe_dump(deep, deepcopy(deep))
     for x in ('a', 'b', 'c', 'd', 'e'):
         assert "!unsafe '{}'".format(x) not in yaml
+
+
+def test_deep_diff_unsafe_marking():
+    deep = {'a': [1, [{'b': {'c': [{'d': 'e'}]}}]]}
+    jt_vars = deepcopy(deep)
+    deep['a'][1][0]['b']['z'] = 'not safe'
+    yaml = safe_dump(deep, jt_vars)
+    assert "!unsafe 'z'" in yaml