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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/notifications/scheduler/internal/scheduler_utils.h"
#include <algorithm>
#include <vector>
#include "base/containers/circular_deque.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "base/uuid.h"
#include "chrome/browser/notifications/scheduler/internal/impression_types.h"
#include "chrome/browser/notifications/scheduler/test/fake_clock.h"
#include "chrome/browser/notifications/scheduler/test/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace notifications {
namespace {
const char kFakeNow[] = "01/01/18 01:23:45 AM";
class SchedulerUtilsTest : public testing::Test {
public:
SchedulerUtilsTest() = default;
SchedulerUtilsTest(const SchedulerUtilsTest&) = delete;
SchedulerUtilsTest& operator=(const SchedulerUtilsTest&) = delete;
~SchedulerUtilsTest() override = default;
void SetUp() override { config_.initial_daily_shown_per_type = 100; }
void InitFakeClock() {
clock_.SetNow(kFakeNow);
ToLocalHour(0, clock_.Now(), 0, &beginning_of_today_);
}
void CreateFakeImpressions(ClientState* client_state,
const std::vector<base::Time>& times) {
DCHECK(client_state);
client_state->impressions.clear();
auto type = client_state->type;
for (const auto& time : times) {
client_state->impressions.emplace_back(
type, base::Uuid::GenerateRandomV4().AsLowercaseString(), time);
}
}
std::unique_ptr<ClientState> CreateFakeClientStateWithImpression(
SchedulerClientType type,
const SchedulerConfig& config,
const std::vector<base::Time>& times) {
auto client_state = std::make_unique<ClientState>();
client_state->type = type;
client_state->current_max_daily_show = config.initial_daily_shown_per_type;
CreateFakeImpressions(client_state.get(), times);
return client_state;
}
protected:
SchedulerConfig& config() { return config_; }
test::FakeClock* clock() { return &clock_; }
base::Time& beginning_of_today() { return beginning_of_today_; }
private:
base::test::TaskEnvironment task_environment_;
test::FakeClock clock_;
SchedulerConfig config_;
base::Time beginning_of_today_;
};
// Verifies we can get the correct time stamp at certain hour in yesterday.
TEST_F(SchedulerUtilsTest, ToLocalHour) {
base::Time today, another_day, expected;
// Timestamp of another day in the past.
EXPECT_TRUE(base::Time::FromString("10/15/07 12:45:12 PM", &today));
EXPECT_TRUE(ToLocalHour(6, today, -1, &another_day));
EXPECT_TRUE(base::Time::FromString("10/14/07 06:00:00 AM", &expected));
EXPECT_EQ(expected, another_day);
EXPECT_TRUE(base::Time::FromString("03/25/19 00:00:00 AM", &today));
EXPECT_TRUE(ToLocalHour(0, today, -1, &another_day));
EXPECT_TRUE(base::Time::FromString("03/24/19 00:00:00 AM", &expected));
EXPECT_EQ(expected, another_day);
// Timestamp of the same day.
EXPECT_TRUE(base::Time::FromString("03/25/19 00:00:00 AM", &today));
EXPECT_TRUE(ToLocalHour(0, today, 0, &another_day));
EXPECT_TRUE(base::Time::FromString("03/25/19 00:00:00 AM", &expected));
EXPECT_EQ(expected, another_day);
// Timestamp of another day in the future.
EXPECT_TRUE(base::Time::FromString("03/25/19 06:35:27 AM", &today));
EXPECT_TRUE(ToLocalHour(16, today, 7, &another_day));
EXPECT_TRUE(base::Time::FromString("04/01/19 16:00:00 PM", &expected));
EXPECT_EQ(expected, another_day);
}
TEST_F(SchedulerUtilsTest, NotificationsShownTodayMultipleClients) {
InitFakeClock();
base::Time now = clock()->Now();
// Create fake clients.
std::map<SchedulerClientType, const ClientState*> client_states;
// begin_of_today now end_of_today
// client1 * | * * | *
// client2 * * * | * | *
// client3 * | | | *
std::vector<base::Time> create_times = {
now - base::Seconds(2) /*today*/, now - base::Seconds(1) /*today*/,
beginning_of_today() - base::Seconds(1) /*yesterday*/,
beginning_of_today() + base::Days(1) /*tomorrow*/};
auto new_client1 = CreateFakeClientStateWithImpression(
SchedulerClientType::kTest1, config(), create_times);
create_times = {now /*today*/,
beginning_of_today() + base::Days(1) /*tomorrow*/,
beginning_of_today() - base::Seconds(1) /*yesterday*/,
beginning_of_today() + base::Seconds(1) /*today*/,
beginning_of_today() /*today*/};
auto new_client2 = CreateFakeClientStateWithImpression(
SchedulerClientType::kTest2, config(), create_times);
create_times = {
beginning_of_today() - base::Seconds(2), /*yesterday*/
beginning_of_today() + base::Days(1) /*tomorrow*/
};
auto new_client3 = CreateFakeClientStateWithImpression(
SchedulerClientType::kTest3, config(), create_times);
client_states[SchedulerClientType::kTest1] = new_client1.get();
client_states[SchedulerClientType::kTest2] = new_client2.get();
client_states[SchedulerClientType::kTest3] = new_client3.get();
std::map<SchedulerClientType, int> shown_per_type;
int shown_total = 0;
SchedulerClientType last_shown_type = SchedulerClientType::kUnknown;
NotificationsShownToday(client_states, &shown_per_type, &shown_total,
&last_shown_type, clock());
EXPECT_EQ(shown_total, 5);
EXPECT_EQ(last_shown_type, SchedulerClientType::kTest2);
EXPECT_EQ(shown_per_type.at(SchedulerClientType::kTest1), 2);
EXPECT_EQ(shown_per_type.at(SchedulerClientType::kTest2), 3);
EXPECT_EQ(shown_per_type.at(SchedulerClientType::kTest3), 0);
}
TEST_F(SchedulerUtilsTest, NotificationsShownToday) {
// Create fake client.
auto new_client = CreateNewClientState(SchedulerClientType::kTest1, config());
InitFakeClock();
base::Time now = clock()->Now();
// Test case 1:
int count = NotificationsShownToday(new_client.get(), clock());
EXPECT_EQ(count, 0);
// Test case 2:
std::vector<base::Time> create_times = {
now /*today*/, beginning_of_today() + base::Days(1) /*tomorrow*/,
beginning_of_today() - base::Seconds(1) /*yesterday*/,
beginning_of_today() + base::Seconds(1) /*today*/,
beginning_of_today() /*today*/};
CreateFakeImpressions(new_client.get(), create_times);
count = NotificationsShownToday(new_client.get(), clock());
EXPECT_EQ(count, 3);
// Test case 3:
create_times = {
beginning_of_today() - base::Seconds(2), /*yesterday*/
beginning_of_today() + base::Days(1), /*tomorrow*/
};
CreateFakeImpressions(new_client.get(), create_times);
count = NotificationsShownToday(new_client.get(), clock());
EXPECT_EQ(count, 0);
// Test case 4:
create_times = {now /*today*/, now - base::Seconds(1) /*today*/,
beginning_of_today() - base::Seconds(1) /*yesterday*/,
beginning_of_today() + base::Days(1) /*tomorrow*/};
CreateFakeImpressions(new_client.get(), create_times);
count = NotificationsShownToday(new_client.get(), clock());
EXPECT_EQ(count, 2);
}
} // namespace
} // namespace notifications
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