tests: added missing cases to tests

reclass/datatypes/tests/test_parameters.py

@@ -414,6 +414,20 @@ def test_nested_deep_references(self):
         p.interpolate()
         self.assertEqual(p.as_dict(), r)
 
+    def test_nested_references_default_exists(self):
+        values = {"a": "value", "b": "${not:existing||${a}}"}
+        reference = {"a": "value", "b": "value"}
+        parameters = Parameters(values, SETTINGS, '')
+        parameters.interpolate()
+        self.assertEqual(parameters.as_dict(), reference)
+
+    def test_nested_references_default_exists(self):
+        values = {"a": "value", "b": "${not:existing||${again||fallback}}"}
+        reference = {"a": "value", "b": "fallback"}
+        parameters = Parameters(values, SETTINGS, '')
+        parameters.interpolate()
+        self.assertEqual(parameters.as_dict(), reference)
+
     def test_stray_occurrence_overwrites_during_interpolation(self):
         p1 = Parameters({'r' : 1, 'b': '${r}'}, SETTINGS, '')
         p2 = Parameters({'b' : 2}, SETTINGS, '')

reclass/values/tests/test_refitem.py

@@ -49,6 +49,11 @@ def test_default_resolve_ok(self):
         result = reference._resolve('non:existing||default', {'foo':'bar'})
         self.assertEquals(result, 'default')
 
+    def test_default_exists_resolve_ok(self):
+        reference = RefItem('', Settings({'delimiter': ':'}))
+        result = reference._resolve('foo||default', {'foo':'bar'})
+        self.assertEquals(result, 'bar')
+
     def test__resolve_fails(self):
         refitem = RefItem('', Settings({'delimiter': ':'}))
         context = {'foo':{'bar': 1}}