Skipping some tests on ruamel.yaml < 0.16

ruamel.yaml had some bugs in the round-trip loader which causes the
format of entries to change when being rewritten; see the changelog
entries for various 0.15 releases for details:
https://pypi.org/project/ruamel.yaml/

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/test_collection.py b/tests/test_collection.py
index c792f29..2218169 100644
--- a/tests/test_collection.py
+++ b/tests/test_collection.py
@@ -37,6 +37,10 @@ class testEntries(unittest.TestCase):
         self.assertEqual(entry.idterm, 'Q' + eid)
         self.assertEqual(entry.short_id, eid[:8])
 
+    @unittest.skipIf(
+        ruamel.yaml.version_info < (0, 16, 0),
+        "Preservation of data on file requires ruamel.yaml >= 0.16",
+    )
     def test_write_new(self):
         new_entry = lesana.Entry(self.collection)
         self.collection.save_entries(entries=[new_entry])
@@ -351,6 +355,10 @@ class testComplexCollection(unittest.TestCase):
         for f in to_test:
             self.assertIsInstance(self.collection.fields[f[0]], f[1])
 
+    @unittest.skipIf(
+        ruamel.yaml.version_info < (0, 16, 0),
+        "Preservation of data on file requires ruamel.yaml >= 0.16",
+    )
     def test_comments_are_preserved(self):
         e = self.collection.entry_from_eid('5084bc6e94f24dc6976629282ef30419')
         yaml_data = e.yaml_data
@@ -361,6 +369,10 @@ class testComplexCollection(unittest.TestCase):
             yaml_data.endswith("# and a comment at the end\n")
         )
 
+    @unittest.skipIf(
+        ruamel.yaml.version_info < (0, 16, 0),
+        "Preservation of data on file requires ruamel.yaml >= 0.16",
+    )
     def test_data_is_stored_as_written_on_file(self):
         e = self.collection.entry_from_eid('5084bc6e94f24dc6976629282ef30419')
         fname = 'tests/data/complex/items/' + \