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// Copyright 2016 The Chromium 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 "third_party/blink/renderer/core/frame/performance_monitor.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/location.h"
#include "third_party/blink/renderer/core/probe/core_probes.h"
#include "third_party/blink/renderer/core/testing/dummy_page_holder.h"
#include <memory>
namespace blink {
namespace {
} // namespace
class PerformanceMonitorTest : public testing::Test {
protected:
void SetUp() override;
void TearDown() override;
LocalFrame* GetFrame() const {
return page_holder_->GetDocument().GetFrame();
}
ExecutionContext* GetExecutionContext() const {
return page_holder_->GetDocument().ToExecutionContext();
}
LocalFrame* AnotherFrame() const {
return another_page_holder_->GetDocument().GetFrame();
}
ExecutionContext* AnotherExecutionContext() const {
return another_page_holder_->GetDocument().ToExecutionContext();
}
void WillExecuteScript(ExecutionContext* execution_context) {
monitor_->WillExecuteScript(execution_context);
}
// scheduler::TaskTimeObserver implementation
void WillProcessTask(base::TimeTicks start_time) {
monitor_->WillProcessTask(start_time);
}
void DidProcessTask(base::TimeTicks start_time, base::TimeTicks end_time) {
monitor_->DidProcessTask(start_time, end_time);
}
void UpdateTaskAttribution(ExecutionContext* execution_context) {
monitor_->UpdateTaskAttribution(execution_context);
}
void RecalculateStyle(Document* document) {
probe::RecalculateStyle probe(document);
monitor_->Will(probe);
monitor_->Did(probe);
}
void UpdateLayout(Document* document) {
probe::UpdateLayout probe(document);
monitor_->Will(probe);
monitor_->Did(probe);
}
bool TaskShouldBeReported() { return monitor_->task_should_be_reported_; }
String FrameContextURL();
int NumUniqueFrameContextsSeen();
static base::TimeTicks SecondsToTimeTicks(double seconds) {
return base::TimeTicks() + base::TimeDelta::FromSecondsD(seconds);
}
Persistent<PerformanceMonitor> monitor_;
std::unique_ptr<DummyPageHolder> page_holder_;
std::unique_ptr<DummyPageHolder> another_page_holder_;
};
void PerformanceMonitorTest::SetUp() {
page_holder_ = std::make_unique<DummyPageHolder>(IntSize(800, 600));
page_holder_->GetDocument().SetURL(KURL("https://example.com/foo"));
monitor_ = MakeGarbageCollected<PerformanceMonitor>(GetFrame());
// Create another dummy page holder and pretend this is the iframe.
another_page_holder_ = std::make_unique<DummyPageHolder>(IntSize(400, 300));
another_page_holder_->GetDocument().SetURL(KURL("https://iframed.com/bar"));
}
void PerformanceMonitorTest::TearDown() {
monitor_->Shutdown();
}
String PerformanceMonitorTest::FrameContextURL() {
// This is reported only if there is a single frameContext URL.
if (monitor_->task_has_multiple_contexts_)
return g_empty_string;
return Document::From(monitor_->task_execution_context_.Get())
->location()
->toString();
}
int PerformanceMonitorTest::NumUniqueFrameContextsSeen() {
if (!monitor_->task_execution_context_)
return 0;
if (!monitor_->task_has_multiple_contexts_)
return 1;
return 2;
}
TEST_F(PerformanceMonitorTest, SingleScriptInTask) {
WillProcessTask(SecondsToTimeTicks(3719349.445172));
EXPECT_EQ(0, NumUniqueFrameContextsSeen());
WillExecuteScript(GetExecutionContext());
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
DidProcessTask(SecondsToTimeTicks(3719349.445172),
SecondsToTimeTicks(3719349.5561923)); // Long task
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
EXPECT_EQ("https://example.com/foo", FrameContextURL());
}
TEST_F(PerformanceMonitorTest, MultipleScriptsInTask_SingleContext) {
WillProcessTask(SecondsToTimeTicks(3719349.445172));
EXPECT_EQ(0, NumUniqueFrameContextsSeen());
WillExecuteScript(GetExecutionContext());
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
EXPECT_EQ("https://example.com/foo", FrameContextURL());
WillExecuteScript(GetExecutionContext());
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
DidProcessTask(SecondsToTimeTicks(3719349.445172),
SecondsToTimeTicks(3719349.5561923)); // Long task
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
EXPECT_EQ("https://example.com/foo", FrameContextURL());
}
TEST_F(PerformanceMonitorTest, MultipleScriptsInTask_MultipleContexts) {
WillProcessTask(SecondsToTimeTicks(3719349.445172));
EXPECT_EQ(0, NumUniqueFrameContextsSeen());
WillExecuteScript(GetExecutionContext());
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
EXPECT_EQ("https://example.com/foo", FrameContextURL());
WillExecuteScript(AnotherExecutionContext());
EXPECT_EQ(2, NumUniqueFrameContextsSeen());
DidProcessTask(SecondsToTimeTicks(3719349.445172),
SecondsToTimeTicks(3719349.5561923)); // Long task
EXPECT_EQ(2, NumUniqueFrameContextsSeen());
EXPECT_EQ("", FrameContextURL());
}
TEST_F(PerformanceMonitorTest, NoScriptInLongTask) {
WillProcessTask(SecondsToTimeTicks(3719349.445172));
WillExecuteScript(GetExecutionContext());
DidProcessTask(SecondsToTimeTicks(3719349.445172),
SecondsToTimeTicks(3719349.445182));
WillProcessTask(SecondsToTimeTicks(3719349.445172));
DidProcessTask(SecondsToTimeTicks(3719349.445172),
SecondsToTimeTicks(3719349.5561923)); // Long task
// Without presence of Script, FrameContext URL is not available
EXPECT_EQ(0, NumUniqueFrameContextsSeen());
}
TEST_F(PerformanceMonitorTest, TaskWithoutLocalRoot) {
WillProcessTask(SecondsToTimeTicks(1234.5678));
UpdateTaskAttribution(AnotherExecutionContext());
DidProcessTask(SecondsToTimeTicks(1234.5678), SecondsToTimeTicks(2345.6789));
EXPECT_FALSE(TaskShouldBeReported());
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
}
TEST_F(PerformanceMonitorTest, TaskWithLocalRoot) {
WillProcessTask(SecondsToTimeTicks(1234.5678));
UpdateTaskAttribution(GetExecutionContext());
EXPECT_TRUE(TaskShouldBeReported());
EXPECT_EQ(1, NumUniqueFrameContextsSeen());
UpdateTaskAttribution(AnotherExecutionContext());
DidProcessTask(SecondsToTimeTicks(1234.5678), SecondsToTimeTicks(2345.6789));
EXPECT_TRUE(TaskShouldBeReported());
EXPECT_EQ(2, NumUniqueFrameContextsSeen());
}
TEST_F(PerformanceMonitorTest, RecalculateStyleWithDocument) {
WillProcessTask(SecondsToTimeTicks(1234.5678));
RecalculateStyle(&another_page_holder_->GetDocument());
DidProcessTask(SecondsToTimeTicks(1234.5678), SecondsToTimeTicks(2345.6789));
// Task from unrelated context should not be reported.
EXPECT_FALSE(TaskShouldBeReported());
WillProcessTask(SecondsToTimeTicks(3234.5678));
RecalculateStyle(&page_holder_->GetDocument());
DidProcessTask(SecondsToTimeTicks(3234.5678), SecondsToTimeTicks(4345.6789));
EXPECT_TRUE(TaskShouldBeReported());
WillProcessTask(SecondsToTimeTicks(3234.5678));
RecalculateStyle(&another_page_holder_->GetDocument());
RecalculateStyle(&page_holder_->GetDocument());
DidProcessTask(SecondsToTimeTicks(3234.5678), SecondsToTimeTicks(4345.6789));
// This task involves the current context, so it should be reported.
EXPECT_TRUE(TaskShouldBeReported());
}
TEST_F(PerformanceMonitorTest, UpdateLayoutWithDocument) {
WillProcessTask(SecondsToTimeTicks(1234.5678));
UpdateLayout(&another_page_holder_->GetDocument());
DidProcessTask(SecondsToTimeTicks(1234.5678), SecondsToTimeTicks(2345.6789));
// Task from unrelated context should not be reported.
EXPECT_FALSE(TaskShouldBeReported());
WillProcessTask(SecondsToTimeTicks(3234.5678));
UpdateLayout(&page_holder_->GetDocument());
DidProcessTask(SecondsToTimeTicks(3234.5678), SecondsToTimeTicks(4345.6789));
EXPECT_TRUE(TaskShouldBeReported());
WillProcessTask(SecondsToTimeTicks(3234.5678));
UpdateLayout(&another_page_holder_->GetDocument());
UpdateLayout(&page_holder_->GetDocument());
DidProcessTask(SecondsToTimeTicks(3234.5678), SecondsToTimeTicks(4345.6789));
// This task involves the current context, so it should be reported.
EXPECT_TRUE(TaskShouldBeReported());
}
} // namespace blink
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