Files
react-native/ReactCommon/react/renderer/mounting/tests/MountingTelemetryTest.cpp
T
David Vacca 3093010ea5 move fabric to ReactCommon/react/renderer
Summary:
This diff moves fabric C++ code from ReactCommon/fabric to ReactCommon/react/renderer
As part of this diff I also refactored components, codegen and callsites on CatalystApp, FB4A and venice

Script: P137350694

changelog: [internal] internal refactor

Reviewed By: fkgozali

Differential Revision: D22852139

fbshipit-source-id: f85310ba858b6afd81abfd9cbe6d70b28eca7415
2020-07-31 13:34:29 -07:00

112 lines
3.0 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <chrono>
#include <thread>
#include <gtest/gtest.h>
#include <react/renderer/mounting/MountingTelemetry.h>
#include <react/utils/Telemetry.h>
using namespace facebook::react;
#define EXPECT_EQ_WITH_THRESHOLD(a, b, threshold) \
EXPECT_TRUE((a >= b - threshold) && (a <= b + threshold))
template <typename ClockT>
void sleep(double durationInSeconds) {
auto timepoint = ClockT::now() +
std::chrono::milliseconds((long long)(durationInSeconds * 1000));
while (ClockT::now() < timepoint) {
}
}
TEST(MountingTelemetryTest, timepoints) {
auto threshold = int64_t{70};
auto timepointA = telemetryTimePointNow();
sleep<TelemetryClock>(0.1);
auto timepointB = telemetryTimePointNow();
auto duration = telemetryDurationToMilliseconds(timepointB - timepointA);
EXPECT_EQ_WITH_THRESHOLD(duration, 100, threshold);
}
TEST(MountingTelemetryTest, normalUseCase) {
auto threshold = int64_t{70};
auto telemetry = MountingTelemetry{};
telemetry.willCommit();
sleep<TelemetryClock>(0.1);
telemetry.willLayout();
sleep<TelemetryClock>(0.2);
telemetry.didLayout();
sleep<TelemetryClock>(0.1);
telemetry.didCommit();
sleep<TelemetryClock>(0.3);
telemetry.willMount();
sleep<TelemetryClock>(0.1);
telemetry.didMount();
auto commitDuration = telemetryDurationToMilliseconds(
telemetry.getCommitEndTime() - telemetry.getCommitStartTime());
auto layoutDuration = telemetryDurationToMilliseconds(
telemetry.getLayoutEndTime() - telemetry.getLayoutStartTime());
auto mountDuration = telemetryDurationToMilliseconds(
telemetry.getMountEndTime() - telemetry.getMountStartTime());
EXPECT_EQ_WITH_THRESHOLD(commitDuration, 400, threshold);
EXPECT_EQ_WITH_THRESHOLD(layoutDuration, 200, threshold);
EXPECT_EQ_WITH_THRESHOLD(mountDuration, 100, threshold);
}
TEST(MountingTelemetryTest, abnormalUseCases) {
// Calling `did` before `will` should crash.
EXPECT_DEATH_IF_SUPPORTED(
{
auto telemetry = MountingTelemetry{};
telemetry.didDiff();
},
"diffStartTime_");
EXPECT_DEATH_IF_SUPPORTED(
{
auto telemetry = MountingTelemetry{};
telemetry.didCommit();
},
"commitStartTime_");
EXPECT_DEATH_IF_SUPPORTED(
{
auto telemetry = MountingTelemetry{};
telemetry.didMount();
},
"mountStartTime_");
// Getting `start` *or* `end` timepoints before a pair of `will` and `did`
// should crash.
EXPECT_DEATH_IF_SUPPORTED(
{
auto telemetry = MountingTelemetry{};
telemetry.willCommit();
telemetry.getCommitStartTime();
},
"commitEndTime_");
EXPECT_DEATH_IF_SUPPORTED(
{
auto telemetry = MountingTelemetry{};
telemetry.willCommit();
telemetry.getCommitEndTime();
},
"commitEndTime_");
}