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// 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/policy_bundle.h"
#include <memory>
#include <utility>
#include "base/callback.h"
#include "base/values.h"
#include "components/policy/core/common/external_data_fetcher.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_types.h"
#include "components/strings/grit/components_strings.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace policy {
namespace {
const char kPolicyClashing0[] = "policy-clashing-0";
const char kPolicyClashing1[] = "policy-clashing-1";
const char kPolicy0[] = "policy-0";
const char kPolicy1[] = "policy-1";
const char kPolicy2[] = "policy-2";
const char kExtension0[] = "extension-0";
const char kExtension1[] = "extension-1";
const char kExtension2[] = "extension-2";
const char kExtension3[] = "extension-3";
// Adds test policies to |policy|.
void AddTestPolicies(PolicyMap* policy) {
policy->Set("mandatory-user", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(123), nullptr);
policy->Set("mandatory-machine", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE,
POLICY_SOURCE_CLOUD, base::Value("omg"), nullptr);
policy->Set("recommended-user", POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(true), nullptr);
base::Value dict(base::Value::Type::DICTIONARY);
dict.SetBoolKey("false", false);
dict.SetIntKey("int", 456);
dict.SetStringKey("str", "bbq");
policy->Set("recommended-machine", POLICY_LEVEL_RECOMMENDED,
POLICY_SCOPE_MACHINE, POLICY_SOURCE_CLOUD, std::move(dict),
nullptr);
}
// Adds test policies to |policy| based on the parameters:
// - kPolicyClashing0 mapped to |value|, user mandatory
// - kPolicyClashing1 mapped to |value|, with |level| and |scope|
// - |name| mapped to |value|, user mandatory
void AddTestPoliciesWithParams(PolicyMap *policy,
const char* name,
int value,
PolicyLevel level,
PolicyScope scope) {
policy->Set(kPolicyClashing0, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(value), nullptr);
policy->Set(kPolicyClashing1, level, scope, POLICY_SOURCE_CLOUD,
base::Value(value), nullptr);
policy->Set(name, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(value), nullptr);
}
// Returns true if |bundle| is empty.
bool IsEmpty(const PolicyBundle& bundle) {
return bundle.begin() == bundle.end();
}
} // namespace
TEST(PolicyBundleTest, Get) {
PolicyBundle bundle;
EXPECT_TRUE(IsEmpty(bundle));
AddTestPolicies(&bundle.Get(
PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())));
EXPECT_FALSE(IsEmpty(bundle));
PolicyMap policy;
AddTestPolicies(&policy);
EXPECT_TRUE(bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME,
std::string())).Equals(policy));
PolicyBundle::const_iterator it = bundle.begin();
ASSERT_TRUE(it != bundle.end());
EXPECT_EQ(POLICY_DOMAIN_CHROME, it->first.domain);
EXPECT_EQ("", it->first.component_id);
EXPECT_TRUE(it->second.Equals(policy));
++it;
EXPECT_TRUE(it == bundle.end());
EXPECT_TRUE(bundle.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension0)).empty());
EXPECT_FALSE(IsEmpty(bundle));
bundle.Clear();
EXPECT_TRUE(IsEmpty(bundle));
}
TEST(PolicyBundleTest, SwapAndCopy) {
PolicyBundle bundle0;
PolicyBundle bundle1;
AddTestPolicies(&bundle0.Get(
PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())));
AddTestPolicies(&bundle0.Get(
PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension0)));
EXPECT_FALSE(IsEmpty(bundle0));
EXPECT_TRUE(IsEmpty(bundle1));
PolicyMap policy;
AddTestPolicies(&policy);
EXPECT_TRUE(bundle0.Get(PolicyNamespace(POLICY_DOMAIN_CHROME,
std::string())).Equals(policy));
EXPECT_TRUE(bundle0.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension0)).Equals(policy));
bundle0.Swap(&bundle1);
EXPECT_TRUE(IsEmpty(bundle0));
EXPECT_FALSE(IsEmpty(bundle1));
EXPECT_TRUE(bundle1.Get(PolicyNamespace(POLICY_DOMAIN_CHROME,
std::string())).Equals(policy));
EXPECT_TRUE(bundle1.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension0)).Equals(policy));
bundle0.CopyFrom(bundle1);
EXPECT_FALSE(IsEmpty(bundle0));
EXPECT_FALSE(IsEmpty(bundle1));
EXPECT_TRUE(bundle0.Get(PolicyNamespace(POLICY_DOMAIN_CHROME,
std::string())).Equals(policy));
EXPECT_TRUE(bundle0.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension0)).Equals(policy));
}
TEST(PolicyBundleTest, MergeFrom) {
// Each bundleN has kExtensionN. Each bundle also has policy for
// chrome and kExtension3.
// |bundle0| has the highest priority, |bundle2| the lowest.
PolicyBundle bundle0;
PolicyBundle bundle1;
PolicyBundle bundle2;
PolicyMap policy0;
AddTestPoliciesWithParams(
&policy0, kPolicy0, 0u, POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER);
bundle0.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())) =
policy0.Clone();
bundle0.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension0)) =
policy0.Clone();
bundle0.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension3)) =
policy0.Clone();
PolicyMap policy1;
AddTestPoliciesWithParams(
&policy1, kPolicy1, 1u, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE);
bundle1.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())) =
policy1.Clone();
bundle1.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension1)) =
policy1.Clone();
bundle1.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension3)) =
policy1.Clone();
PolicyMap policy2;
AddTestPoliciesWithParams(
&policy2, kPolicy2, 2u, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER);
bundle2.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())) =
policy2.Clone();
bundle2.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension2)) =
policy2.Clone();
bundle2.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension3)) =
policy2.Clone();
// Merge in order of decreasing priority.
PolicyBundle merged;
merged.MergeFrom(bundle0);
merged.MergeFrom(bundle1);
merged.MergeFrom(bundle2);
PolicyBundle empty_bundle;
merged.MergeFrom(empty_bundle);
// chrome and kExtension3 policies are merged:
// - kPolicyClashing0 comes from bundle0, which has the highest priority;
// - kPolicyClashing1 comes from bundle1, which has the highest level/scope
// combination;
// - kPolicyN are merged from each bundle.
PolicyMap expected;
expected.Set(kPolicyClashing0, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(0), nullptr);
expected.GetMutable(kPolicyClashing0)
->AddConflictingPolicy(policy1.Get(kPolicyClashing0)->DeepCopy());
expected.GetMutable(kPolicyClashing0)
->AddConflictingPolicy(policy2.Get(kPolicyClashing0)->DeepCopy());
expected.GetMutable(kPolicyClashing0)
->AddMessage(PolicyMap::MessageType::kWarning,
IDS_POLICY_CONFLICT_DIFF_VALUE);
expected.GetMutable(kPolicyClashing0)
->AddMessage(PolicyMap::MessageType::kWarning,
IDS_POLICY_CONFLICT_DIFF_VALUE);
expected.Set(kPolicyClashing1, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE,
POLICY_SOURCE_CLOUD, base::Value(1), nullptr);
expected.GetMutable(kPolicyClashing1)
->AddConflictingPolicy(policy0.Get(kPolicyClashing1)->DeepCopy());
expected.GetMutable(kPolicyClashing1)
->AddConflictingPolicy(policy2.Get(kPolicyClashing1)->DeepCopy());
expected.GetMutable(kPolicyClashing1)
->AddMessage(PolicyMap::MessageType::kWarning,
IDS_POLICY_CONFLICT_DIFF_VALUE);
expected.GetMutable(kPolicyClashing1)
->AddMessage(PolicyMap::MessageType::kWarning,
IDS_POLICY_CONFLICT_DIFF_VALUE);
expected.Set(kPolicy0, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(0), nullptr);
expected.Set(kPolicy1, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(1), nullptr);
expected.Set(kPolicy2, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(2), nullptr);
EXPECT_TRUE(merged.Get(PolicyNamespace(POLICY_DOMAIN_CHROME,
std::string())).Equals(expected));
EXPECT_TRUE(merged.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension3)).Equals(expected));
// extension0 comes only from bundle0.
EXPECT_TRUE(merged.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension0)).Equals(policy0));
// extension1 comes only from bundle1.
EXPECT_TRUE(merged.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension1)).Equals(policy1));
// extension2 comes only from bundle2.
EXPECT_TRUE(merged.Get(PolicyNamespace(POLICY_DOMAIN_EXTENSIONS,
kExtension2)).Equals(policy2));
}
TEST(PolicyBundleTest, Equals) {
PolicyBundle bundle;
AddTestPolicies(&bundle.Get(
PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())));
AddTestPolicies(&bundle.Get(
PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension0)));
PolicyBundle other;
EXPECT_FALSE(bundle.Equals(other));
other.CopyFrom(bundle);
EXPECT_TRUE(bundle.Equals(other));
AddTestPolicies(&bundle.Get(
PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension1)));
EXPECT_FALSE(bundle.Equals(other));
other.CopyFrom(bundle);
EXPECT_TRUE(bundle.Equals(other));
AddTestPolicies(&other.Get(
PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kExtension2)));
EXPECT_FALSE(bundle.Equals(other));
other.CopyFrom(bundle);
bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
.Set(kPolicy0, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(123), nullptr);
EXPECT_FALSE(bundle.Equals(other));
other.CopyFrom(bundle);
EXPECT_TRUE(bundle.Equals(other));
bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
.Set(kPolicy0, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE,
POLICY_SOURCE_CLOUD, base::Value(123), nullptr);
EXPECT_FALSE(bundle.Equals(other));
// Test non-const Get().
bundle.Clear();
other.Clear();
PolicyMap& policy_map =
bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()));
EXPECT_TRUE(bundle.Equals(other));
policy_map.Set(kPolicy0, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
POLICY_SOURCE_CLOUD, base::Value(123), nullptr);
EXPECT_FALSE(bundle.Equals(other));
}
} // namespace policy
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