Use deduced_required value for config.push

configsuite/config.py

@@ -89,6 +89,7 @@ def __init__(
         self._valid = True
         self._errors = ()
         self._snapshot = None
+        self._deduce_required = deduce_required
 
         self._cached_merged_config = self._build_merged_config()
         if self._readable:
@@ -158,6 +159,7 @@ def push(self, raw_config):
             layers=self._layers,
             extract_validation_context=self._extract_validation_context,
             extract_transformation_context=self._extract_transformation_context,
+            deduce_required=self._deduce_required,
         )
 
     @property

tests/test_push_deduced_required.py

@@ -0,0 +1,44 @@
+import unittest
+
+import configsuite
+
+from . import data
+
+
+class TestPush(unittest.TestCase):
+    def assertEqualSnapshots(self, first, second):
+        self.assertEqual(first.heroes, second.heroes)
+        self.assertEqual(sorted(first.villains), sorted(second.villains))
+
+    def test_push_deduced_required(self):
+        schema = data.hero.build_schema()
+
+        heroes = {
+            "heroes": [
+                {"name": "Batman", "strength": 10},
+                {"name": "Flash", "strength": 12},
+                {"name": "Dirk Gently", "strength": 7},
+            ]
+        }
+
+        villains = {"villains": {"Eobard Thawne": 11, "Lux": 3}}
+
+        hero_config = configsuite.ConfigSuite(heroes, schema, deduce_required=True)
+        self.assertTrue(hero_config.valid)
+        hero_villains_config = hero_config.push(villains)
+        self.assertTrue(hero_villains_config.valid)
+
+        combined = {
+            "heroes": [
+                {"name": "Batman", "strength": 10},
+                {"name": "Flash", "strength": 12},
+                {"name": "Dirk Gently", "strength": 7},
+            ],
+            "villains": {"Eobard Thawne": 11, "Lux": 3},
+        }
+        combined_config = configsuite.ConfigSuite(combined, schema)
+        self.assertTrue(combined_config.valid)
+
+        self.assertEqualSnapshots(
+            combined_config.snapshot, hero_villains_config.snapshot
+        )