| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "encoder/upload_scheduler.h" |
| |
| #include "./gtest.h" |
| |
| namespace cobalt { |
| namespace encoder { |
| |
| TEST(UploadScheduler, NoBackoff) { |
| auto scheduler = |
| UploadScheduler(std::chrono::hours(1), std::chrono::seconds(0)); |
| |
| // Interval stays at 3600 seconds forever |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| } |
| |
| TEST(UploadScheduler, QuickBackoff) { |
| auto scheduler = UploadScheduler( |
| std::chrono::hours(1), std::chrono::seconds(0), std::chrono::minutes(10)); |
| |
| auto expected_seconds = {600, 1200, 2400, 3600}; |
| for (auto seconds : expected_seconds) { |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(seconds)); |
| } |
| |
| // Interval maxes out at 3600 seconds (1 hour) |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| } |
| |
| TEST(UploadScheduler, LongBackoff) { |
| auto scheduler = UploadScheduler( |
| std::chrono::hours(1), std::chrono::seconds(0), std::chrono::seconds(3)); |
| |
| // Backoff should double every call to Interval, until the interval is >= 1 |
| // hour. |
| auto expected_seconds = {3, 6, 12, 24, 48, 96, |
| 192, 384, 768, 1536, 3072, 3600}; |
| for (auto seconds : expected_seconds) { |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(seconds)); |
| } |
| |
| // Interval maxes out at 3600 seconds (1 hour) |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| EXPECT_EQ(scheduler.Interval(), std::chrono::seconds(3600)); |
| } |
| |
| } // namespace encoder |
| } // namespace cobalt |