diff options
Diffstat (limited to '_test/test_anchor.py')
| -rw-r--r-- | _test/test_anchor.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/_test/test_anchor.py b/_test/test_anchor.py index 1c795c0..593bf8a 100644 --- a/_test/test_anchor.py +++ b/_test/test_anchor.py @@ -9,6 +9,8 @@ from textwrap import dedent import platform from roundtrip import round_trip, dedent, round_trip_load, round_trip_dump # NOQA +from ruamel.yaml.compat import PY3 +from ruamel.yaml.error import ReusedAnchorWarning def load(s): @@ -228,6 +230,19 @@ class TestAnchorsAliases: b: 2 """) + # this is an error in PyYAML + def test_reused_anchor(self): + yaml = ''' + - &a + x: 1 + - <<: *a + - &a + x: 2 + - <<: *a + ''' + with pytest.warns(ReusedAnchorWarning): + data = round_trip(yaml) # NOQA + class TestMergeKeysValues: @@ -247,6 +262,8 @@ class TestMergeKeysValues: <<: *my """) + # in the following d always has "expanded" the merges + def test_merge_for(self): from ruamel.yaml import safe_load d = safe_load(self.yaml_str) @@ -286,3 +303,23 @@ class TestMergeKeysValues: count += 1 print(count, x) assert count == len(d[2]) + + def test_len_items_delete(self): + from ruamel.yaml import safe_load + d = safe_load(self.yaml_str) + data = round_trip_load(self.yaml_str) + x = data[2].items() + ref = len(d[2].items()) + assert len(x) == ref + del data[2]['m'] + if PY3: + ref -= 1 + assert len(x) == ref + del data[2]['d'] + if PY3: + ref -= 1 + assert len(x) == ref + del data[2]['a'] + if PY3: + ref -= 1 + assert len(x) == ref |