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//
// Copyright (C) 2021 The Android Open Source Project
//
// 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.
//
#include <algorithm>
#include <brillo/message_loops/fake_message_loop.h>
#include <gtest/gtest.h>
#include <libsnapshot/snapshot.h>
#include <libsnapshot/mock_snapshot.h>
#include <libsnapshot/mock_snapshot_merge_stats.h>
#include "update_engine/aosp/cleanup_previous_update_action.h"
#include "update_engine/common/mock_boot_control.h"
#include "update_engine/common/mock_dynamic_partition_control.h"
#include "update_engine/common/mock_prefs.h"
namespace chromeos_update_engine {
using android::snapshot::AutoDevice;
using android::snapshot::MockSnapshotManager;
using android::snapshot::MockSnapshotMergeStats;
using android::snapshot::UpdateState;
using testing::_;
using testing::AtLeast;
using testing::Return;
class MockCleanupPreviousUpdateActionDelegate final
: public CleanupPreviousUpdateActionDelegateInterface {
MOCK_METHOD(void, OnCleanupProgressUpdate, (double), (override));
};
class MockActionProcessor : public ActionProcessor {
public:
MOCK_METHOD(void, ActionComplete, (AbstractAction*, ErrorCode), (override));
};
class MockAutoDevice : public AutoDevice {
public:
explicit MockAutoDevice(std::string name) : AutoDevice(name) {}
~MockAutoDevice() = default;
};
class CleanupPreviousUpdateActionTest : public ::testing::Test {
public:
void SetUp() override {
ON_CALL(boot_control_, GetDynamicPartitionControl())
.WillByDefault(Return(&dynamic_control_));
ON_CALL(boot_control_, GetCurrentSlot()).WillByDefault(Return(0));
ON_CALL(mock_snapshot_, GetSnapshotMergeStatsInstance())
.WillByDefault(Return(&mock_stats_));
action_.SetProcessor(&mock_processor_);
loop_.SetAsCurrent();
}
constexpr static FeatureFlag LAUNCH{FeatureFlag::Value::LAUNCH};
constexpr static FeatureFlag NONE{FeatureFlag::Value::NONE};
MockSnapshotManager mock_snapshot_;
MockPrefs mock_prefs_;
MockBootControl boot_control_;
MockDynamicPartitionControl dynamic_control_{};
MockCleanupPreviousUpdateActionDelegate mock_delegate_;
MockSnapshotMergeStats mock_stats_;
MockActionProcessor mock_processor_;
brillo::FakeMessageLoop loop_{nullptr};
CleanupPreviousUpdateAction action_{
&mock_prefs_, &boot_control_, &mock_snapshot_, &mock_delegate_};
};
TEST_F(CleanupPreviousUpdateActionTest, NonVabTest) {
// Since VAB isn't even enabled, |GetSnapshotMergeStatsInstance| shouldn't be
// called at all
EXPECT_CALL(mock_snapshot_, GetSnapshotMergeStatsInstance()).Times(0);
EXPECT_CALL(dynamic_control_, GetVirtualAbFeatureFlag())
.Times(AtLeast(1))
.WillRepeatedly(Return(NONE));
action_.PerformAction();
}
TEST_F(CleanupPreviousUpdateActionTest, VABSlotSuccessful) {
// Expectaion: if VABC is enabled, Clenup action should call
// |SnapshotMergeStats::Start()| to start merge, and wait for it to finish
EXPECT_CALL(mock_snapshot_, GetSnapshotMergeStatsInstance())
.Times(AtLeast(1));
EXPECT_CALL(mock_snapshot_, EnsureMetadataMounted())
.Times(AtLeast(1))
.WillRepeatedly(
[]() { return std::make_unique<MockAutoDevice>("mock_device"); });
EXPECT_CALL(dynamic_control_, GetVirtualAbFeatureFlag())
.Times(AtLeast(1))
.WillRepeatedly(Return(LAUNCH));
// CleanupPreviousUpdateAction should use whatever slot returned by
// |GetCurrentSlot()|
EXPECT_CALL(boot_control_, GetCurrentSlot())
.Times(AtLeast(1))
.WillRepeatedly(Return(1));
EXPECT_CALL(boot_control_, IsSlotMarkedSuccessful(1))
.Times(AtLeast(1))
.WillRepeatedly(Return(true));
EXPECT_CALL(mock_snapshot_, ProcessUpdateState(_, _))
.Times(AtLeast(2))
.WillOnce(Return(UpdateState::Merging))
.WillRepeatedly(Return(UpdateState::MergeCompleted));
EXPECT_CALL(mock_stats_, Start())
.Times(AtLeast(1))
.WillRepeatedly(Return(true));
EXPECT_CALL(mock_processor_, ActionComplete(&action_, ErrorCode::kSuccess))
.Times(1);
action_.PerformAction();
while (loop_.PendingTasks()) {
ASSERT_TRUE(loop_.RunOnce(true));
}
}
TEST_F(CleanupPreviousUpdateActionTest, VabSlotNotReady) {
// Cleanup action should repeatly query boot control until the slot is marked
// successful.
static constexpr auto MAX_TIMEPOINT =
std::chrono::steady_clock::time_point::max();
EXPECT_CALL(mock_snapshot_, GetSnapshotMergeStatsInstance())
.Times(AtLeast(1));
EXPECT_CALL(mock_snapshot_, EnsureMetadataMounted())
.Times(AtLeast(1))
.WillRepeatedly(
[]() { return std::make_unique<MockAutoDevice>("mock_device"); });
EXPECT_CALL(dynamic_control_, GetVirtualAbFeatureFlag())
.Times(AtLeast(1))
.WillRepeatedly(Return(LAUNCH));
auto slot_success_time = MAX_TIMEPOINT;
auto merge_start_time = MAX_TIMEPOINT;
EXPECT_CALL(boot_control_, IsSlotMarkedSuccessful(_))
.Times(AtLeast(3))
.WillOnce(Return(false))
.WillOnce(Return(false))
.WillOnce([&slot_success_time]() {
slot_success_time =
std::min(slot_success_time, std::chrono::steady_clock::now());
return true;
});
EXPECT_CALL(mock_stats_, Start())
.Times(1)
.WillRepeatedly([&merge_start_time]() {
merge_start_time =
std::min(merge_start_time, std::chrono::steady_clock::now());
return true;
});
EXPECT_CALL(mock_snapshot_, ProcessUpdateState(_, _))
.Times(AtLeast(1))
.WillRepeatedly(Return(UpdateState::MergeCompleted));
EXPECT_CALL(mock_processor_, ActionComplete(&action_, ErrorCode::kSuccess))
.Times(1);
action_.PerformAction();
while (loop_.PendingTasks()) {
ASSERT_TRUE(loop_.RunOnce(true));
}
ASSERT_LT(slot_success_time, merge_start_time)
<< "Merge should not be started until slot is marked successful";
}
} // namespace chromeos_update_engine
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