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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/policy/weekly_time/checked_util.h"
#include <optional>
#include <vector>
#include "base/scoped_environment_variable_override.h"
#include "base/values.h"
#include "chromeos/ash/components/policy/weekly_time/test_support.h"
#include "chromeos/ash/components/policy/weekly_time/weekly_time_interval_checked.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace policy::weekly_time {
namespace {
constexpr const char* kIntervalsJson = R"([
{
"start": {
"day_of_week": "WEDNESDAY",
"milliseconds_since_midnight": 43200000
},
"end": {
"day_of_week": "WEDNESDAY",
"milliseconds_since_midnight": 75600000
}
},
{
"start": {
"day_of_week": "FRIDAY",
"milliseconds_since_midnight": 64800000
},
"end": {
"day_of_week": "MONDAY",
"milliseconds_since_midnight": 21600000
}
}
])";
constexpr const char kTZ[] = "TZ";
using Day = WeeklyTimeChecked::Day;
} // namespace
TEST(CheckedUtil, ExtractIntervalsFromList) {
base::Value::List list = BuildList(kIntervalsJson);
auto result = ExtractIntervalsFromList(list);
ASSERT_TRUE(result.has_value());
EXPECT_EQ(result->size(), 2u);
}
TEST(CheckedUtil, ExtractIntervalsFromList_NotADict) {
base::Value::List list = BuildList(R"([123])");
auto result = ExtractIntervalsFromList(list);
EXPECT_FALSE(result.has_value());
}
TEST(CheckedUtil, ExtractIntervalsFromList_InvalidInterval) {
base::Value::List list = BuildList(R"([
{
"foobarbaz": {
"day_of_week": "WEDNESDAY",
"milliseconds_since_midnight": 43200000
},
"end": {
"day_of_week": "WEDNESDAY",
"milliseconds_since_midnight": 75600000
}
}
])");
auto result = ExtractIntervalsFromList(list);
EXPECT_FALSE(result.has_value());
}
TEST(CheckedUtil, IntervalsContainTime_True) {
std::vector<WeeklyTimeIntervalChecked> intervals =
BuildIntervals(kIntervalsJson);
// Saturday is fully included in the second interval.
WeeklyTimeChecked time(Day::kSaturday, 1234);
EXPECT_TRUE(IntervalsContainTime(intervals, time));
}
TEST(CheckedUtil, IntervalsContainTime_False) {
std::vector<WeeklyTimeIntervalChecked> intervals =
BuildIntervals(kIntervalsJson);
// Tuesday isn't even partially included in any of the intervals.
WeeklyTimeChecked time(Day::kTuesday, 1234);
EXPECT_FALSE(IntervalsContainTime(intervals, time));
}
TEST(CheckedUtil, IntervalsContainTime_Empty) {
std::vector<WeeklyTimeIntervalChecked> intervals;
WeeklyTimeChecked time(Day::kMonday, 1234);
EXPECT_FALSE(IntervalsContainTime(intervals, time));
}
TEST(CheckedUtil, GetNextEvent) {
const struct TestData {
Day day;
int millis;
WeeklyTimeChecked next_event;
} kTestData[] = {
// One day before the start of the first interval.
{Day::kTuesday, 43200000, WeeklyTimeChecked(Day::kWednesday, 43200000)},
// Start of the first interval.
{Day::kWednesday, 43200000, WeeklyTimeChecked(Day::kWednesday, 75600000)},
// Inside first interval.
{Day::kWednesday, 57600000, WeeklyTimeChecked(Day::kWednesday, 75600000)},
// End of first interval.
{Day::kWednesday, 75600000, WeeklyTimeChecked(Day::kFriday, 64800000)},
// One hour before the second interval.
{Day::kFriday, 61200000, WeeklyTimeChecked(Day::kFriday, 64800000)},
};
std::vector<WeeklyTimeIntervalChecked> intervals =
BuildIntervals(kIntervalsJson);
for (const auto& t : kTestData) {
WeeklyTimeChecked time(t.day, t.millis);
std::optional<WeeklyTimeChecked> next_event = GetNextEvent(intervals, time);
SCOPED_TRACE(testing::Message()
<< "day: " << DayToString(t.day) << ", millis: " << t.millis);
ASSERT_TRUE(next_event.has_value());
EXPECT_EQ(next_event.value(), t.next_event);
}
}
TEST(CheckedUtil, GetNextEvent_Empty) {
std::vector<WeeklyTimeIntervalChecked> intervals;
WeeklyTimeChecked time(Day::kMonday, 1234);
std::optional<WeeklyTimeChecked> next_event = GetNextEvent(intervals, time);
EXPECT_FALSE(next_event.has_value());
}
TEST(CheckedUtil, GetDurationToNextEvent) {
std::vector<WeeklyTimeIntervalChecked> intervals =
BuildIntervals(kIntervalsJson);
struct TestData {
Day day;
int millis;
base::TimeDelta duration;
} test_data[] = {
// One day before the start of the first interval.
{Day::kTuesday, 43200000, base::Days(1)},
// Start of the first interval, returns the duration until the end of the
// first interval.
{Day::kWednesday, 43200000, base::Hours(9)},
// Inside first interval.
{Day::kWednesday, 57600000, base::Hours(5)},
// End of first interval.
{Day::kWednesday, 75600000, base::Days(2) - base::Hours(3)},
// One hour before the second interval.
{Day::kFriday, 61200000, base::Hours(1)},
};
int i = 0;
for (const auto& t : test_data) {
WeeklyTimeChecked time(t.day, t.millis);
std::optional<base::TimeDelta> duration =
GetDurationToNextEvent(intervals, time);
ASSERT_TRUE(duration.has_value()) << "Failed test case #" << i;
EXPECT_EQ(duration.value(), t.duration) << "Failed test case #" << i;
i++;
}
}
TEST(CheckedUtil, GetDurationToNextEvent_Empty) {
std::vector<WeeklyTimeIntervalChecked> intervals;
WeeklyTimeChecked time(Day::kMonday, 1234);
auto duration = GetDurationToNextEvent(intervals, time);
EXPECT_FALSE(duration.has_value());
}
TEST(CheckedUtil, AddOffsetInLocalTime) {
// clang-format off
constexpr const struct TestData {
const char* time_str;
base::TimeDelta offset;
const char* result_str;
} kTestData[] = {
// All times are in local time (time zone "Europe/Berlin").
// DST starts on Sun, 31 Mar 2024 when the clock moves from 2:00 to 3:00.
// DST ends on Sun, 27 Oct 2024 when the clock moves from 3:00 to 2:00.
// Positive offset.
{"Fri 22 Mar 2024 19:00", base::Seconds(1), "Fri 22 Mar 2024 19:00:01"},
{"Fri 22 Mar 2024 19:00", base::Minutes(1), "Fri 22 Mar 2024 19:01"},
{"Fri 22 Mar 2024 19:00", base::Hours(1), "Fri 22 Mar 2024 20:00"},
{"Fri 22 Mar 2024 19:00", base::Days(1), "Sat 23 Mar 2024 19:00"},
// One year, crosses a double DST-boundary.
{"Fri 22 Mar 2024 19:00", base::Days(365), "Sat 22 Mar 2025 19:00"},
// Negative offset.
{"Fri 22 Mar 2024 19:00", -base::Seconds(1), "Fri 22 Mar 2024 18:59:59"},
{"Fri 22 Mar 2024 19:00", -base::Minutes(1), "Fri 22 Mar 2024 18:59"},
{"Fri 22 Mar 2024 19:00", -base::Hours(1), "Fri 22 Mar 2024 18:00"},
{"Fri 22 Mar 2024 19:00", -base::Days(1), "Thu 21 Mar 2024 19:00"},
// One (leap) year, crosses a double DST-boundary.
{"Fri 22 Mar 2024 19:00", -base::Days(366), "Wed 22 Mar 2023 19:00"},
// Positive offset crossing DST-boundary Winter -> Summer (2:00 -> 3:00).
{"Sun 31 Mar 2024 1:00", base::Hours(2), "Sun 31 Mar 2024 3:00"},
{"Sun 31 Mar 2024 0:00", base::Hours(4), "Sun 31 Mar 2024 4:00"},
// Normal result time doesn't exist in local time (clock moves 2 -> 3), so
// the calculation is done in UTC time.
{"Sun 31 Mar 2024 1:59", base::Minutes(1), "Sun 31 Mar 2024 3:00"},
{"Sun 31 Mar 2024 1:20", base::Hours(1), "Sun 31 Mar 2024 3:20"},
// Negative offset crossing DST-boundary Winter -> Summer (2:00 -> 3:00).
{"Sun 31 Mar 2024 3:00", -base::Hours(2), "Sun 31 Mar 2024 1:00"},
// Positive offset crossing DST-boundary Summer -> Winter (3:00 -> 2:00).
{"Sat 26 Oct 2024 22:00", base::Days(1), "Sun 27 Oct 2024 22:00"},
// Negative offset crossing DST-boundary Summer -> Winter (3:00 -> 2:00).
{"Sun 27 Oct 2024 3:30", -base::Hours(2), "Sun 27 Oct 2024 1:30"},
};
// clang-format on
// Override the local time zone to fix the DST transitions.
base::ScopedEnvironmentVariableOverride scoped_timezone(kTZ, "Europe/Berlin");
for (const auto& t : kTestData) {
SCOPED_TRACE(testing::Message()
<< "time: " << t.time_str << ", offset: " << t.offset
<< ", result: " << t.result_str);
const base::Time time = TimeFromString(t.time_str);
const base::Time result = AddOffsetInLocalTime(time, t.offset);
const base::Time expected_result = TimeFromString(t.result_str);
EXPECT_EQ(expected_result, result);
}
}
} // namespace policy::weekly_time
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