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// Copyright 2015 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 "chrome/browser/policy/cloud/remote_commands_invalidator.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "components/invalidation/impl/fake_invalidation_service.h"
#include "components/invalidation/impl/invalidator_registrar.h"
#include "components/invalidation/impl/mock_ack_handler.h"
#include "components/invalidation/public/invalidation.h"
#include "components/invalidation/public/invalidation_util.h"
#include "components/invalidation/public/invalidator_state.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace em = enterprise_management;
using ::testing::Mock;
using ::testing::StrictMock;
namespace policy {
class MockRemoteCommandInvalidator : public RemoteCommandsInvalidator {
public:
MockRemoteCommandInvalidator() {}
MOCK_METHOD0(OnInitialize, void());
MOCK_METHOD0(OnShutdown, void());
MOCK_METHOD0(OnStart, void());
MOCK_METHOD0(OnStop, void());
MOCK_METHOD0(DoRemoteCommandsFetch, void());
void SetInvalidationObjectID(const invalidation::ObjectId& object_id) {
em::PolicyData policy_data;
policy_data.set_command_invalidation_source(object_id.source());
policy_data.set_command_invalidation_name(object_id.name());
ReloadPolicyData(&policy_data);
}
void ClearInvalidationObjectID() {
const em::PolicyData policy_data;
ReloadPolicyData(&policy_data);
}
private:
DISALLOW_COPY_AND_ASSIGN(MockRemoteCommandInvalidator);
};
class RemoteCommandsInvalidatorTest : public testing::Test {
public:
RemoteCommandsInvalidatorTest()
: kTestingObjectId1(123456, "abcdef"),
kTestingObjectId2(654321, "defabc") {
}
void EnableInvalidationService() {
invalidation_service_.SetInvalidatorState(syncer::INVALIDATIONS_ENABLED);
}
void DisableInvalidationService() {
invalidation_service_.SetInvalidatorState(
syncer::TRANSIENT_INVALIDATION_ERROR);
}
syncer::Invalidation FireInvalidation(
const invalidation::ObjectId& object_id) {
const syncer::Invalidation invalidation =
syncer::Invalidation::InitUnknownVersion(object_id);
invalidation_service_.EmitInvalidationForTest(invalidation);
return invalidation;
}
bool IsInvalidationSent(const syncer::Invalidation& invalidation) {
return !invalidation_service_.GetMockAckHandler()->IsUnsent(invalidation);
}
bool IsInvalidationAcknowledged(const syncer::Invalidation& invalidation) {
return invalidation_service_.GetMockAckHandler()->IsAcknowledged(
invalidation);
}
bool IsInvalidatorRegistered() {
return !invalidation_service_.invalidator_registrar()
.GetRegisteredIds(&invalidator_)
.empty();
}
void VerifyExpectations() {
Mock::VerifyAndClearExpectations(&invalidator_);
}
protected:
// Initialize and start the invalidator.
void InitializeAndStart() {
EXPECT_CALL(invalidator_, OnInitialize()).Times(1);
invalidator_.Initialize(&invalidation_service_);
VerifyExpectations();
EXPECT_CALL(invalidator_, OnStart()).Times(1);
invalidator_.Start();
VerifyExpectations();
}
// Stop and shutdown the invalidator.
void StopAndShutdown() {
EXPECT_CALL(invalidator_, OnStop()).Times(1);
EXPECT_CALL(invalidator_, OnShutdown()).Times(1);
invalidator_.Shutdown();
VerifyExpectations();
}
// Fire an invalidation to verify that invalidation is not working.
void VerifyInvalidationDisabled(const invalidation::ObjectId& object_id) {
const syncer::Invalidation invalidation = FireInvalidation(object_id);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(IsInvalidationSent(invalidation));
}
// Fire an invalidation to verify that invalidation works.
void VerifyInvalidationEnabled(const invalidation::ObjectId& object_id) {
EXPECT_TRUE(invalidator_.invalidations_enabled());
EXPECT_CALL(invalidator_, DoRemoteCommandsFetch()).Times(1);
const syncer::Invalidation invalidation = FireInvalidation(object_id);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(IsInvalidationSent(invalidation));
EXPECT_TRUE(IsInvalidationAcknowledged(invalidation));
VerifyExpectations();
}
const invalidation::ObjectId kTestingObjectId1;
const invalidation::ObjectId kTestingObjectId2;
base::MessageLoop loop_;
invalidation::FakeInvalidationService invalidation_service_;
StrictMock<MockRemoteCommandInvalidator> invalidator_;
private:
DISALLOW_COPY_AND_ASSIGN(RemoteCommandsInvalidatorTest);
};
// Verifies that only the fired invalidations will be received.
TEST_F(RemoteCommandsInvalidatorTest, FiredInvalidation) {
InitializeAndStart();
// Invalidator won't work at this point.
EXPECT_FALSE(invalidator_.invalidations_enabled());
// Load the policy data, it should work now.
invalidator_.SetInvalidationObjectID(kTestingObjectId1);
EXPECT_TRUE(invalidator_.invalidations_enabled());
base::RunLoop().RunUntilIdle();
// No invalidation will be received if no invalidation is fired.
VerifyExpectations();
// Fire an invalidation with different object id, no invalidation will be
// received.
const syncer::Invalidation invalidation1 =
FireInvalidation(kTestingObjectId2);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(IsInvalidationSent(invalidation1));
VerifyExpectations();
// Fire the invalidation, it should be acknowledged and trigger a remote
// commands fetch.
EXPECT_CALL(invalidator_, DoRemoteCommandsFetch()).Times(1);
const syncer::Invalidation invalidation2 =
FireInvalidation(kTestingObjectId1);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(IsInvalidationSent(invalidation2));
EXPECT_TRUE(IsInvalidationAcknowledged(invalidation2));
VerifyExpectations();
StopAndShutdown();
}
// Verifies that no invalidation will be received when invalidator is shutdown.
TEST_F(RemoteCommandsInvalidatorTest, ShutDown) {
EXPECT_FALSE(invalidator_.invalidations_enabled());
FireInvalidation(kTestingObjectId1);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(invalidator_.invalidations_enabled());
}
// Verifies that no invalidation will be received when invalidator is stopped.
TEST_F(RemoteCommandsInvalidatorTest, Stopped) {
EXPECT_CALL(invalidator_, OnInitialize()).Times(1);
invalidator_.Initialize(&invalidation_service_);
VerifyExpectations();
EXPECT_FALSE(invalidator_.invalidations_enabled());
FireInvalidation(kTestingObjectId2);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(invalidator_.invalidations_enabled());
EXPECT_CALL(invalidator_, OnShutdown()).Times(1);
invalidator_.Shutdown();
}
// Verifies that stated/stopped state changes work as expected.
TEST_F(RemoteCommandsInvalidatorTest, StartedStateChange) {
InitializeAndStart();
// Invalidator requires object id to work.
VerifyInvalidationDisabled(kTestingObjectId1);
EXPECT_FALSE(invalidator_.invalidations_enabled());
invalidator_.SetInvalidationObjectID(kTestingObjectId1);
VerifyInvalidationEnabled(kTestingObjectId1);
// Stop and restart invalidator.
EXPECT_CALL(invalidator_, OnStop()).Times(1);
invalidator_.Stop();
VerifyExpectations();
VerifyInvalidationDisabled(kTestingObjectId1);
EXPECT_FALSE(invalidator_.invalidations_enabled());
EXPECT_CALL(invalidator_, OnStart()).Times(1);
invalidator_.Start();
VerifyExpectations();
// Invalidator requires object id to work.
invalidator_.SetInvalidationObjectID(kTestingObjectId1);
VerifyInvalidationEnabled(kTestingObjectId1);
StopAndShutdown();
}
// Verifies that registered state changes work as expected.
TEST_F(RemoteCommandsInvalidatorTest, RegistedStateChange) {
InitializeAndStart();
invalidator_.SetInvalidationObjectID(kTestingObjectId1);
VerifyInvalidationEnabled(kTestingObjectId1);
invalidator_.SetInvalidationObjectID(kTestingObjectId2);
VerifyInvalidationEnabled(kTestingObjectId2);
VerifyInvalidationDisabled(kTestingObjectId1);
invalidator_.SetInvalidationObjectID(kTestingObjectId1);
VerifyInvalidationEnabled(kTestingObjectId1);
VerifyInvalidationDisabled(kTestingObjectId2);
invalidator_.ClearInvalidationObjectID();
VerifyInvalidationDisabled(kTestingObjectId1);
VerifyInvalidationDisabled(kTestingObjectId2);
EXPECT_FALSE(invalidator_.invalidations_enabled());
invalidator_.SetInvalidationObjectID(kTestingObjectId2);
VerifyInvalidationEnabled(kTestingObjectId2);
VerifyInvalidationDisabled(kTestingObjectId1);
StopAndShutdown();
}
// Verifies that invalidation service enabled state changes work as expected.
TEST_F(RemoteCommandsInvalidatorTest, InvalidationServiceEnabledStateChanged) {
InitializeAndStart();
invalidator_.SetInvalidationObjectID(kTestingObjectId1);
VerifyInvalidationEnabled(kTestingObjectId1);
DisableInvalidationService();
EXPECT_FALSE(invalidator_.invalidations_enabled());
EnableInvalidationService();
VerifyInvalidationEnabled(kTestingObjectId1);
EnableInvalidationService();
VerifyInvalidationEnabled(kTestingObjectId1);
DisableInvalidationService();
EXPECT_FALSE(invalidator_.invalidations_enabled());
DisableInvalidationService();
EXPECT_FALSE(invalidator_.invalidations_enabled());
StopAndShutdown();
}
} // namespace policy
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