104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
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/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <chrono>
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#include <thread>
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#include <gtest/gtest.h>
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#include <react/mounting/MountingTelemetry.h>
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#include <react/utils/Telemetry.h>
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using namespace facebook::react;
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#define EXPECT_EQ_WITH_THRESHOLD(a, b, threshold) \
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EXPECT_TRUE((a >= b - threshold) && (a <= b + threshold))
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TEST(MountingTelemetryTest, timepoints) {
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auto threshold = int64_t{100};
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auto timepointA = telemetryTimePointNow();
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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auto timepointB = telemetryTimePointNow();
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auto duration = telemetryDurationToMilliseconds(timepointB - timepointA);
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EXPECT_EQ_WITH_THRESHOLD(duration, 100, threshold);
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}
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TEST(MountingTelemetryTest, normalUseCase) {
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auto threshold = int64_t{100};
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auto telemetry = MountingTelemetry{};
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telemetry.willCommit();
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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telemetry.willLayout();
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std::this_thread::sleep_for(std::chrono::milliseconds(200));
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telemetry.didLayout();
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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telemetry.didCommit();
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std::this_thread::sleep_for(std::chrono::milliseconds(300));
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telemetry.willMount();
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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telemetry.didMount();
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auto commitDuration = telemetryDurationToMilliseconds(
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telemetry.getCommitEndTime() - telemetry.getCommitStartTime());
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auto layoutDuration = telemetryDurationToMilliseconds(
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telemetry.getLayoutEndTime() - telemetry.getLayoutStartTime());
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auto mountDuration = telemetryDurationToMilliseconds(
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telemetry.getMountEndTime() - telemetry.getMountStartTime());
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EXPECT_EQ_WITH_THRESHOLD(commitDuration, 400, threshold * 2);
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EXPECT_EQ_WITH_THRESHOLD(layoutDuration, 200, threshold);
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EXPECT_EQ_WITH_THRESHOLD(mountDuration, 100, threshold);
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}
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TEST(MountingTelemetryTest, abnormalUseCases) {
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// Calling `did` before `will` should crash.
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EXPECT_DEATH_IF_SUPPORTED(
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{
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auto telemetry = MountingTelemetry{};
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telemetry.didDiff();
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},
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"diffStartTime_");
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EXPECT_DEATH_IF_SUPPORTED(
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{
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auto telemetry = MountingTelemetry{};
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telemetry.didCommit();
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},
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"commitStartTime_");
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EXPECT_DEATH_IF_SUPPORTED(
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{
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auto telemetry = MountingTelemetry{};
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telemetry.didMount();
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},
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"mountStartTime_");
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// Getting `start` *or* `end` timepoints before a pair of `will` and `did`
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// should crash.
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EXPECT_DEATH_IF_SUPPORTED(
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{
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auto telemetry = MountingTelemetry{};
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telemetry.willCommit();
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telemetry.getCommitStartTime();
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},
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"commitEndTime_");
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EXPECT_DEATH_IF_SUPPORTED(
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{
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auto telemetry = MountingTelemetry{};
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telemetry.willCommit();
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telemetry.getCommitEndTime();
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},
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"commitEndTime_");
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}
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