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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/feed/core/v2/request_throttler.h"
#include <memory>
#include "base/test/task_environment.h"
#include "components/feed/core/common/pref_names.h"
#include "components/feed/core/v2/config.h"
#include "components/prefs/testing_pref_service.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace feed {
namespace {
const int kMaximumQueryRequestsPerDay = 20;
const int kMaximumUploadActionsRequestsPerDay = 10;
class FeedRequestThrottlerTest : public testing::Test {
public:
FeedRequestThrottlerTest() {
feed::Config config;
config.max_action_upload_requests_per_day =
kMaximumUploadActionsRequestsPerDay;
config.max_feed_query_requests_per_day = kMaximumQueryRequestsPerDay;
SetFeedConfigForTesting(config);
RegisterProfilePrefs(test_prefs_.registry());
// Set the clock to 12:01AM.
base::Time twelveO_One =
(base::Time::Now() + base::Days(1)).LocalMidnight() + base::Minutes(1);
task_environment_.AdvanceClock(twelveO_One - base::Time::Now());
}
protected:
TestingPrefServiceSimple test_prefs_;
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
RequestThrottler throttler_{&test_prefs_};
};
TEST_F(FeedRequestThrottlerTest, RequestQuotaAllAtOnce) {
for (int i = 0; i < kMaximumQueryRequestsPerDay; ++i) {
EXPECT_TRUE(throttler_.RequestQuota(NetworkRequestType::kFeedQuery));
}
EXPECT_FALSE(throttler_.RequestQuota(NetworkRequestType::kFeedQuery));
}
TEST_F(FeedRequestThrottlerTest, QuotaIsPerDay) {
for (int i = 0; i < kMaximumUploadActionsRequestsPerDay; ++i) {
EXPECT_TRUE(throttler_.RequestQuota(NetworkRequestType::kUploadActions));
}
// Because we started at 12:01AM, we need to advance 24 hours before making
// another successful request.
task_environment_.FastForwardBy(base::Hours(23));
EXPECT_FALSE(throttler_.RequestQuota(NetworkRequestType::kUploadActions));
task_environment_.FastForwardBy(base::Hours(1));
EXPECT_TRUE(throttler_.RequestQuota(NetworkRequestType::kUploadActions));
}
} // namespace
} // namespace feed
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