Add source column to chrome://policy showing the origins of policies.

components/policy/core/common/schema_map_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/policy/core/common/schema_map.h"
 
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "components/policy/core/common/external_data_fetcher.h"
 #include "components/policy/core/common/external_data_manager.h"
 #include "components/policy/core/common/policy_bundle.h"
 #include "components/policy/core/common/policy_map.h"
+#include "components/policy/core/common/policy_types.h"
 #include "components/policy/core/common/schema.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 
 namespace {
 
 const char kTestSchema[] =
     "{"
     "  \"type\": \"object\","
@@ skipping 111 matching lines @@
   schema_map->FilterBundle(&bundle);
   const PolicyBundle empty_bundle;
   EXPECT_TRUE(bundle.Equals(empty_bundle));
 
   // The Chrome namespace isn't filtered.
   PolicyBundle expected_bundle;
   PolicyNamespace chrome_ns(POLICY_DOMAIN_CHROME, "");
   expected_bundle.Get(chrome_ns).Set("ChromePolicy",
                                      POLICY_LEVEL_MANDATORY,
                                      POLICY_SCOPE_USER,
+                                     POLICY_SOURCE_CLOUD,
                                      new base::StringValue("value"),
                                      NULL);
   bundle.CopyFrom(expected_bundle);
 
   // Unknown components are filtered out.
   PolicyNamespace another_extension_ns(POLICY_DOMAIN_EXTENSIONS, "xyz");
   bundle.Get(another_extension_ns).Set("AnotherExtensionPolicy",
                                        POLICY_LEVEL_MANDATORY,
                                        POLICY_SCOPE_USER,
+                                       POLICY_SOURCE_CLOUD,
                                        new base::StringValue("value"),
                                        NULL);
   schema_map->FilterBundle(&bundle);
   EXPECT_TRUE(bundle.Equals(expected_bundle));
 
   PolicyNamespace extension_ns(POLICY_DOMAIN_EXTENSIONS, "abc");
   PolicyMap& map = expected_bundle.Get(extension_ns);
   base::ListValue list;
   list.AppendString("a");
   list.AppendString("b");
   map.Set("list", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          list.DeepCopy(), NULL);
+          POLICY_SOURCE_CLOUD, list.DeepCopy(), nullptr);
   map.Set("boolean",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::FundamentalValue(true),
           NULL);
   map.Set("integer",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::FundamentalValue(1),
           NULL);
   map.Set("null", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          base::Value::CreateNullValue().release(), NULL);
+          POLICY_SOURCE_CLOUD, base::Value::CreateNullValue().release(),
+          nullptr);
   map.Set("double",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::FundamentalValue(1.2),
           NULL);
   base::DictionaryValue dict;
   dict.SetString("a", "b");
   dict.SetInteger("b", 2);
   map.Set("object", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          dict.DeepCopy(), NULL);
+          POLICY_SOURCE_CLOUD, dict.DeepCopy(), nullptr);
   map.Set("string",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::StringValue("value"),
           NULL);
 
   bundle.MergeFrom(expected_bundle);
   bundle.Get(extension_ns).Set("Unexpected",
                                POLICY_LEVEL_MANDATORY,
                                POLICY_SCOPE_USER,
+                               POLICY_SOURCE_CLOUD,
                                new base::StringValue("to-be-removed"),
                                NULL);
 
   schema_map->FilterBundle(&bundle);
   EXPECT_TRUE(bundle.Equals(expected_bundle));
 
   // Mismatched types are also removed.
   bundle.Clear();
   PolicyMap& badmap = bundle.Get(extension_ns);
   badmap.Set("list",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("boolean",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(0),
              NULL);
   badmap.Set("integer",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("null",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("double",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("object",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("string", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-             NULL,
+             POLICY_SOURCE_CLOUD, nullptr,
              new ExternalDataFetcher(base::WeakPtr<ExternalDataManager>(),
                                      std::string()));
 
   schema_map->FilterBundle(&bundle);
   EXPECT_TRUE(bundle.Equals(empty_bundle));
 }
 
 TEST_F(SchemaMapTest, LegacyComponents) {
   std::string error;
   Schema schema = Schema::Parse(
@@ skipping 11 matching lines @@
   scoped_refptr<SchemaMap> schema_map = new SchemaMap(domain_map);
 
   // |bundle| contains policies loaded by a policy provider.
   PolicyBundle bundle;
 
   // Known components with schemas are filtered.
   PolicyNamespace extension_ns(POLICY_DOMAIN_EXTENSIONS, "with-schema");
   bundle.Get(extension_ns).Set("String",
                                POLICY_LEVEL_MANDATORY,
                                POLICY_SCOPE_USER,
+                               POLICY_SOURCE_CLOUD,
                                new base::StringValue("value 1"),
                                NULL);
 
   // The Chrome namespace isn't filtered.
   PolicyNamespace chrome_ns(POLICY_DOMAIN_CHROME, "");
   bundle.Get(chrome_ns).Set("ChromePolicy",
                             POLICY_LEVEL_MANDATORY,
                             POLICY_SCOPE_USER,
+                            POLICY_SOURCE_CLOUD,
                             new base::StringValue("value 3"),
                             NULL);
 
   PolicyBundle expected_bundle;
   expected_bundle.MergeFrom(bundle);
 
   // Known components without a schema are filtered out completely.
   PolicyNamespace without_schema_ns(POLICY_DOMAIN_EXTENSIONS, "without-schema");
   bundle.Get(without_schema_ns).Set("Schemaless",
                                     POLICY_LEVEL_MANDATORY,
                                     POLICY_SCOPE_USER,
+                                    POLICY_SOURCE_CLOUD,
                                     new base::StringValue("value 2"),
                                     NULL);
 
   // Unknown policies of known components with a schema are removed.
   bundle.Get(extension_ns).Set("Surprise",
                                POLICY_LEVEL_MANDATORY,
                                POLICY_SCOPE_USER,
+                               POLICY_SOURCE_CLOUD,
                                new base::StringValue("value 4"),
                                NULL);
 
   // Unknown components are removed.
   PolicyNamespace unknown_ns(POLICY_DOMAIN_EXTENSIONS, "unknown");
   bundle.Get(unknown_ns).Set("Surprise",
                              POLICY_LEVEL_MANDATORY,
                              POLICY_SCOPE_USER,
+                             POLICY_SOURCE_CLOUD,
                              new base::StringValue("value 5"),
                              NULL);
 
   schema_map->FilterBundle(&bundle);
   EXPECT_TRUE(bundle.Equals(expected_bundle));
 }
 
 TEST_F(SchemaMapTest, GetChanges) {
   DomainMap map;
   map[POLICY_DOMAIN_CHROME][""] = Schema();
@@ skipping 20 matching lines @@
   newer = new SchemaMap(map);
   newer->GetChanges(older, &removed, &added);
   ASSERT_EQ(2u, removed.size());
   EXPECT_EQ(PolicyNamespace(POLICY_DOMAIN_CHROME, ""), removed[0]);
   EXPECT_EQ(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, "xyz"), removed[1]);
   ASSERT_EQ(1u, added.size());
   EXPECT_EQ(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, "abc"), added[0]);
 }
 
 }  // namespace policy