Validate processor config sections

octodns/manager.py

@@ -573,8 +573,15 @@ class Manager(object):
                 if isinstance(source, YamlProvider):
                     source.populate(zone)
 
-            # TODO: validate
-            # processors = config.get('processors', [])
+            # check that processors are in order if any are specified
+            processors = config.get('processors', [])
+            try:
+                # same as above, but for processors this time
+                for processor in processors:
+                    collected.append(self.processors[processor])
+            except KeyError:
+                raise ManagerException('Zone {}, unknown processor: {}'
+                                       .format(zone_name, processor))
 
     def get_zone(self, zone_name):
         if not zone_name[-1] == '.':

tests/config/unknown-processor.yaml

@@ -0,0 +1,17 @@
+manager:
+  max_workers: 2
+providers:
+  in:
+    class: octodns.provider.yaml.YamlProvider
+    directory: tests/config
+  dump:
+    class: octodns.provider.yaml.YamlProvider
+    directory: env/YAML_TMP_DIR
+zones:
+  unit.tests.:
+    sources:
+      - in
+    processors:
+      - missing
+    targets:
+      - dump

tests/test_octodns_manager.py

@@ -339,6 +339,11 @@ class TestManager(TestCase):
         Manager(get_config_filename('simple-alias-zone.yaml')) \
             .validate_configs()
 
+        with self.assertRaises(ManagerException) as ctx:
+            Manager(get_config_filename('unknown-processor.yaml')) \
+                .validate_configs()
+        self.assertTrue('unknown processor' in text_type(ctx.exception))
+
     def test_get_zone(self):
         Manager(get_config_filename('simple.yaml')).get_zone('unit.tests.')