Add Python support for policy configuration

CHANGELOG.md

@@ -1,7 +1,10 @@
 ## HEAD (unreleased)
 
-- Increase the MaxCallRecvMsgSize for all RPC calls. 
-  (https://github.com/pulumi/pulumi-policy/pull/239)
+- Increase the MaxCallRecvMsgSize for all RPC calls
+  (https://github.com/pulumi/pulumi-policy/pull/239).
+
+- Add Python support for policy configuration
+  (https://github.com/pulumi/pulumi-policy/pull/246).
 
 ## 1.1.0 (2020-04-17)
 

sdk/python/lib/pulumi_policy/__init__.py

@@ -20,6 +20,7 @@
 from .policy import (
     EnforcementLevel,
     Policy,
+    PolicyConfigSchema,
     PolicyCustomTimeouts,
     PolicyPack,
     PolicyProviderResource,

sdk/python/lib/test/test_config.py

@@ -0,0 +1,44 @@
+# Copyright 2016-2020, Pulumi Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# pylint: disable=protected-access
+
+import unittest
+
+from pulumi_policy.policy import EnforcementLevel, _NormalizedConfigValue, _normalize_config
+
+class ConfigTests(unittest.TestCase):
+    def test_normalize_config(self):
+        test_cases = [
+            {
+                "config": {},
+                "expected": {},
+            },
+            {
+                "config": {"policy": EnforcementLevel.ADVISORY},
+                "expected": {"policy": _NormalizedConfigValue(EnforcementLevel.ADVISORY, None)},
+            },
+            {
+                "config": {"policy": {"foo": "bar"}},
+                "expected": {"policy": _NormalizedConfigValue(None, {"foo": "bar"})},
+            },
+            {
+                "config": {"policy": {"enforcementLevel": EnforcementLevel.ADVISORY, "foo": "bar"}},
+                "expected": {"policy": _NormalizedConfigValue(EnforcementLevel.ADVISORY, {"foo": "bar"})},
+            },
+        ]
+
+        for test_case in test_cases:
+            result = _normalize_config(test_case["config"])
+            self.assertDictEqual(test_case["expected"], result)

sdk/python/lib/test/test_policy.py

@@ -19,6 +19,7 @@
 
 from pulumi_policy import (
     EnforcementLevel,
+    PolicyConfigSchema,
     PolicyPack,
     ReportViolation,
     ResourceValidationPolicy,
@@ -42,7 +43,7 @@ def report(message: str, urn: Optional[str] = None):
     return violations
 
 class PolicyPackTests(unittest.TestCase):
-    def test_int_raises(self):
+    def test_init_raises(self):
         self.assertRaises(TypeError, lambda: PolicyPack(None, [NOP_POLICY]))
         self.assertRaises(TypeError, lambda: PolicyPack("", [NOP_POLICY]))
         self.assertRaises(TypeError, lambda: PolicyPack(1, [NOP_POLICY]))
@@ -60,6 +61,19 @@ def test_int_raises(self):
         self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], ""))
         self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], 1))
 
+        el = EnforcementLevel.ADVISORY
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, ""))
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, 1))
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, []))
+
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, {1: 1}))
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, {"p": None}))
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, {"p": ""}))
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, {"p": 1}))
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, {"p": []}))
+
+        self.assertRaises(TypeError, lambda: PolicyPack("policies", [NOP_POLICY], el, {"p": {1: 1}}))
+
 class ResourceValidationPolicyTests(unittest.TestCase):
     def test_init_raises(self):
         self.assertRaises(TypeError, lambda: ResourceValidationPolicy(None, "desc", NOP))
@@ -252,3 +266,26 @@ def test_validate(self):
         policy = self.Subclass()
         violations = run_policy(policy)
         self.assertEqual(["first", "second"], violations)
+
+
+class PolicyConfigSchemaTests(unittest.TestCase):
+    def test_init_raises(self):
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema(None))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema(""))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema(1))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema([]))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema({"enforcementLevel": {}}))
+
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema({}, ""))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema({}, 1))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema({}, [None]))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema({}, [1]))
+        self.assertRaises(TypeError, lambda: PolicyConfigSchema({}, ["enforcementLevel"]))
+
+    def test_init(self):
+        PolicyConfigSchema({})
+        PolicyConfigSchema({"foo": {}})
+        PolicyConfigSchema({"foo": {"type": "string"}})
+
+        PolicyConfigSchema({}, [])
+        PolicyConfigSchema({}, ["foo"])

tests/integration/config/policy-pack-python/PulumiPolicy.yaml

@@ -0,0 +1 @@
+runtime: python