fix update CommentedMap with list of tuples0.15.90

fixes issue #282


*When this change indeed resolves your problem, please **Close** this issue*.
*(You can do so using the WorkFlow pull-down (close to the top right of this page))*

2 files changed, 12 insertions, 2 deletions

diff --git a/_test/test_issues.py b/_test/test_issues.py
index 0d1a43d..5007f60 100644
--- a/_test/test_issues.py
+++ b/_test/test_issues.py
@@ -603,6 +603,16 @@ class TestIssues:
         with pytest.raises(RepresenterError, match='cannot represent'):
             yaml.dump({'t': t}, stdout)
 
+    def test_issue_282(self):
+        # update from list of tuples caused AttributeError
+        import ruamel.yaml
+        yaml_data = ruamel.yaml.comments.CommentedMap([('a', 'apple'), ('b', 'banana')])
+        yaml_data.update([('c', 'cantaloupe')])
+        yaml_data.update({'d': 'date', 'k': 'kiwi'})
+        assert 'c' in yaml_data.keys()
+        assert 'c' in yaml_data._ok
+
+
 #    @pytest.mark.xfail(strict=True, reason='bla bla', raises=AssertionError)
 #    def test_issue_ xxx(self):
 #        inp = """
diff --git a/_test/test_z_data.py b/_test/test_z_data.py
index f4e47cf..fcd09be 100644
--- a/_test/test_z_data.py
+++ b/_test/test_z_data.py
@@ -186,7 +186,7 @@ class TestYAMLData(object):
                 data = doc
             else:
                 print('no handler for type:', type(doc), repr(doc))
-                assert False
+                raise AssertionError()
         if typ is None:
             if data is not None and output is not None:
                 typ = 'rt'
@@ -207,7 +207,7 @@ class TestYAMLData(object):
             self.load_assert(data, confirm, yaml_version=yaml_version)
         else:
             print('\nrun type unknown:', typ)
-            assert False
+            raise AssertionError()
 
 
 def check_python_version(match, current=None):