[#1117] Add another ignore_missing test

ckan/new_tests/lib/navl/test_validators.py

@@ -47,6 +47,26 @@ def test_ignore_missing_with_missing(self):
         # ignore_missing should remove the item from the dict.
         assert key not in data
 
+    def test_ignore_missing_without_key(self):
+        '''If key is not in data ignore_missing() should raise StopOnError.'''
+
+        import ckan.lib.navl.dictization_functions as df
+        import ckan.lib.navl.validators as validators
+
+        key = ('foo',)
+        data = {}
+        errors = {key: []}
+
+        with nose.tools.assert_raises(df.StopOnError):
+            validators.ignore_missing(
+                key=key,
+                data=data,
+                errors=errors,
+                context={})
+
+        # ignore_missing should remove the item from the dict.
+        assert key not in data
+
     def test_ignore_missing_with_a_value(self):
         '''If data[key] is neither None or missing, ignore_missing() should do
         nothing.