//
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// Copyright (C) 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/update_manager/staging_utils.h"
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#include <memory>
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#include <utility>
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#include <base/time/time.h>
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#include <gtest/gtest.h>
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#include <policy/mock_device_policy.h>
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#include "update_engine/common/constants.h"
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#include "update_engine/common/fake_prefs.h"
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using base::TimeDelta;
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using chromeos_update_engine::FakePrefs;
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using chromeos_update_engine::kPrefsWallClockStagingWaitPeriod;
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using testing::_;
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using testing::DoAll;
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using testing::Return;
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using testing::SetArgPointee;
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namespace chromeos_update_manager {
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constexpr TimeDelta kDay = TimeDelta::FromDays(1);
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constexpr int kMaxDays = 28;
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constexpr int kValidDaySum = 14;
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const StagingSchedule valid_schedule = {{2, 0}, {7, 50}, {9, 80}, {14, 100}};
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class StagingUtilsScheduleTest : public testing::Test {
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protected:
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void SetUp() override {
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test_wait_time_ = TimeDelta();
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test_staging_schedule_ = StagingSchedule();
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}
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void SetStagingSchedule(const StagingSchedule& staging_schedule) {
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EXPECT_CALL(device_policy_, GetDeviceUpdateStagingSchedule(_))
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.WillRepeatedly(
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DoAll(SetArgPointee<0>(staging_schedule), Return(true)));
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}
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void SetPersistedStagingVal(int64_t wait_time) {
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EXPECT_TRUE(
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fake_prefs_.SetInt64(kPrefsWallClockStagingWaitPeriod, wait_time));
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}
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void TestStagingCase(const StagingCase& expected) {
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EXPECT_EQ(expected,
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CalculateStagingCase(&device_policy_,
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&fake_prefs_,
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&test_wait_time_,
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&test_staging_schedule_));
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}
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void ExpectNoChanges() {
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EXPECT_EQ(TimeDelta(), test_wait_time_);
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EXPECT_EQ(StagingSchedule(), test_staging_schedule_);
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}
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policy::MockDevicePolicy device_policy_;
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TimeDelta test_wait_time_;
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StagingSchedule test_staging_schedule_;
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FakePrefs fake_prefs_;
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};
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// Last element should be 100, if not return false.
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TEST_F(StagingUtilsScheduleTest, GetStagingScheduleInvalidLastElem) {
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SetStagingSchedule(StagingSchedule{{2, 10}, {4, 20}, {5, 40}});
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EXPECT_EQ(0, GetStagingSchedule(&device_policy_, &test_staging_schedule_));
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ExpectNoChanges();
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}
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// Percentage should be monotonically increasing.
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TEST_F(StagingUtilsScheduleTest, GetStagingScheduleNonMonotonic) {
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SetStagingSchedule(StagingSchedule{{2, 10}, {6, 20}, {11, 20}, {12, 100}});
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EXPECT_EQ(0, GetStagingSchedule(&device_policy_, &test_staging_schedule_));
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ExpectNoChanges();
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}
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// The days should be monotonically increasing.
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TEST_F(StagingUtilsScheduleTest, GetStagingScheduleOverMaxDays) {
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SetStagingSchedule(StagingSchedule{{2, 10}, {4, 20}, {15, 30}, {10, 100}});
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EXPECT_EQ(0, GetStagingSchedule(&device_policy_, &test_staging_schedule_));
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ExpectNoChanges();
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}
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TEST_F(StagingUtilsScheduleTest, GetStagingScheduleValid) {
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SetStagingSchedule(valid_schedule);
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EXPECT_EQ(kValidDaySum,
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GetStagingSchedule(&device_policy_, &test_staging_schedule_));
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EXPECT_EQ(test_staging_schedule_, valid_schedule);
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}
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TEST_F(StagingUtilsScheduleTest, StagingOffNoSchedule) {
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// If the function returns false, the schedule shouldn't get used.
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EXPECT_CALL(device_policy_, GetDeviceUpdateStagingSchedule(_))
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.WillRepeatedly(DoAll(SetArgPointee<0>(valid_schedule), Return(false)));
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TestStagingCase(StagingCase::kOff);
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ExpectNoChanges();
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}
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TEST_F(StagingUtilsScheduleTest, StagingOffEmptySchedule) {
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SetStagingSchedule(StagingSchedule());
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TestStagingCase(StagingCase::kOff);
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ExpectNoChanges();
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}
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TEST_F(StagingUtilsScheduleTest, StagingOffInvalidSchedule) {
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// Any invalid schedule should return |StagingCase::kOff|.
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SetStagingSchedule(StagingSchedule{{3, 30}, {6, 40}});
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TestStagingCase(StagingCase::kOff);
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ExpectNoChanges();
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}
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TEST_F(StagingUtilsScheduleTest, StagingOnNoAction) {
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test_wait_time_ = kDay;
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// Same as valid schedule, just using std::pair types.
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StagingSchedule valid_schedule_pairs = {{2, 0}, {7, 50}, {9, 80}, {14, 100}};
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test_staging_schedule_ = valid_schedule_pairs;
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SetStagingSchedule(valid_schedule);
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TestStagingCase(StagingCase::kNoAction);
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// Vars should not be changed.
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EXPECT_EQ(kDay, test_wait_time_);
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EXPECT_EQ(test_staging_schedule_, valid_schedule_pairs);
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}
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TEST_F(StagingUtilsScheduleTest, StagingNoSavedValueChangePolicy) {
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test_wait_time_ = kDay;
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SetStagingSchedule(valid_schedule);
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TestStagingCase(StagingCase::kNoSavedValue);
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// Vars should change since < 2 days should not be possible due to
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// valid_schedule's value.
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EXPECT_NE(kDay, test_wait_time_);
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EXPECT_EQ(test_staging_schedule_, valid_schedule);
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EXPECT_LE(test_wait_time_, kDay * kMaxDays);
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}
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// Tests the case where there was a reboot and there is no persisted value.
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TEST_F(StagingUtilsScheduleTest, StagingNoSavedValueNoPersisted) {
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SetStagingSchedule(valid_schedule);
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TestStagingCase(StagingCase::kNoSavedValue);
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// Vars should change since there are no preset values and there is a new
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// staging schedule.
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EXPECT_NE(TimeDelta(), test_wait_time_);
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EXPECT_EQ(test_staging_schedule_, valid_schedule);
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EXPECT_LE(test_wait_time_, kDay * kMaxDays);
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}
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// If there is a pref set and its value is less than the day count, use that
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// pref.
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TEST_F(StagingUtilsScheduleTest, StagingSetFromPref) {
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SetStagingSchedule(valid_schedule);
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SetPersistedStagingVal(5);
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TestStagingCase(StagingCase::kSetStagingFromPref);
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// Vars should change.
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EXPECT_EQ(kDay * 5, test_wait_time_);
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EXPECT_EQ(test_staging_schedule_, valid_schedule);
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}
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} // namespace chromeos_update_manager
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