Snapshot some additional existing behaviours.

lib/iris/tests/unit/fileformats/netcdf/test_parse_cell_methods.py

@@ -7,6 +7,8 @@
 Unit tests for :func:`iris.fileformats.netcdf.parse_cell_methods`.
 
 """
+import warnings
+
 import pytest
 
 from iris.coords import CellMethod
@@ -241,3 +243,28 @@ def test_random_junk__warns(self):
  with pytest.warns(UserWarning, match=msg):
  result = parse_cell_methods(cm_str)
  assert result == ()
+
+ def test_junk_after__silentlyignores(self):
+ cm_str = "time: mean -?-"
+ with warnings.catch_warnings():
+ warnings.simplefilter("error")
+ result = parse_cell_methods(cm_str)
+ expected = (CellMethod("mean", ("time",)),)
+ assert result == expected
+
+ def test_junk_before__silentlyignores(self):
+ cm_str = "-?- time: mean"
+ with warnings.catch_warnings():
+ warnings.simplefilter("error")
+ result = parse_cell_methods(cm_str)
+ expected = (CellMethod("mean", ("time",)),)
+ assert result == expected
+
+ def test_embeddedcolon__silentlyignores(self):
+ cm_str = "time:any: mean"
+ with warnings.catch_warnings():
+ warnings.simplefilter("error")
+ result = parse_cell_methods(cm_str)
+ # N.B. treats the initial "time:" as plain junk + discards it
+ expected = (CellMethod("mean", ("any",)),)
+ assert result == expected