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// Copyright 2019 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/page_load_metrics/browser/observers/click_input_tracker.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/test_simple_task_runner.h"
#include "components/ukm/test_ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/input/web_gesture_event.h"
#include "third_party/blink/public/common/input/web_mouse_event.h"
namespace page_load_metrics {
class ClickInputTrackerTest : public testing::Test {
public:
ClickInputTrackerTest()
: task_runner_(new base::TestSimpleTaskRunner),
task_runner_current_default_handle_(task_runner_) {}
ClickInputTrackerTest(const ClickInputTrackerTest&) = delete;
ClickInputTrackerTest& operator=(const ClickInputTrackerTest&) = delete;
protected:
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
base::SingleThreadTaskRunner::CurrentDefaultHandle
task_runner_current_default_handle_;
};
TEST_F(ClickInputTrackerTest, OnUserInputGestureTapClickBurst) {
ClickInputTracker click_tracker;
base::TimeTicks timestamp = base::TimeTicks::Now();
blink::WebGestureEvent tap1(blink::WebInputEvent::Type::kGestureTap, 0,
timestamp);
tap1.SetPositionInScreen(gfx::PointF(100, 200));
click_tracker.OnUserInput(tap1);
EXPECT_EQ(1, click_tracker.GetCurrentBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebGestureEvent tap2(blink::WebInputEvent::Type::kGestureTap, 0,
timestamp);
tap2.SetPositionInScreen(gfx::PointF(103, 198));
click_tracker.OnUserInput(tap2);
EXPECT_EQ(2, click_tracker.GetCurrentBurstCountForTesting());
timestamp += base::Milliseconds(200);
blink::WebGestureEvent tap3(blink::WebInputEvent::Type::kGestureTap, 0,
timestamp);
tap3.SetPositionInScreen(gfx::PointF(99, 202));
click_tracker.OnUserInput(tap3);
EXPECT_EQ(3, click_tracker.GetCurrentBurstCountForTesting());
timestamp += base::Milliseconds(300);
blink::WebGestureEvent tap4(blink::WebInputEvent::Type::kGestureTap, 0,
timestamp);
tap4.SetPositionInScreen(gfx::PointF(101, 201));
click_tracker.OnUserInput(tap4);
EXPECT_EQ(4, click_tracker.GetCurrentBurstCountForTesting());
// Now exceed time delta threshold.
timestamp += base::Milliseconds(800);
blink::WebGestureEvent tap5(blink::WebInputEvent::Type::kGestureTap, 0,
timestamp);
tap5.SetPositionInScreen(gfx::PointF(101, 201));
click_tracker.OnUserInput(tap5);
EXPECT_EQ(1, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(4, click_tracker.GetMaxBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebGestureEvent tap6(blink::WebInputEvent::Type::kGestureTap, 0,
timestamp);
tap6.SetPositionInScreen(gfx::PointF(103, 198));
click_tracker.OnUserInput(tap6);
EXPECT_EQ(2, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(4, click_tracker.GetMaxBurstCountForTesting());
base::HistogramTester histogram_tester;
ukm::TestAutoSetUkmRecorder test_ukm_recorder;
ukm::SourceId ukm_source_id = ukm::SourceId(1);
click_tracker.RecordClickBurst(ukm_source_id);
histogram_tester.ExpectUniqueSample("PageLoad.Experimental.ClickInputBurst",
4, 1);
// Verify UKM entry.
task_runner_->RunUntilIdle();
using UkmEntry = ukm::builders::ClickInput;
auto entries = test_ukm_recorder.GetEntriesByName(UkmEntry::kEntryName);
ASSERT_EQ(1u, entries.size());
auto* entry = entries.at(0).get();
test_ukm_recorder.ExpectEntryMetric(
entry, UkmEntry::kExperimental_ClickInputBurstName, 4);
}
TEST_F(ClickInputTrackerTest, OnUserInputMouseUpClickBurst) {
ClickInputTracker click_tracker;
base::TimeTicks timestamp = base::TimeTicks::Now();
blink::WebMouseEvent click1(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click1.SetPositionInScreen(gfx::PointF(100, 200));
click_tracker.OnUserInput(click1);
EXPECT_EQ(1, click_tracker.GetCurrentBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebMouseEvent click2(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click2.SetPositionInScreen(gfx::PointF(103, 198));
click_tracker.OnUserInput(click2);
EXPECT_EQ(2, click_tracker.GetCurrentBurstCountForTesting());
timestamp += base::Milliseconds(200);
blink::WebMouseEvent click3(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click3.SetPositionInScreen(gfx::PointF(99, 202));
click_tracker.OnUserInput(click3);
EXPECT_EQ(3, click_tracker.GetCurrentBurstCountForTesting());
timestamp += base::Milliseconds(300);
blink::WebMouseEvent click4(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click4.SetPositionInScreen(gfx::PointF(101, 201));
click_tracker.OnUserInput(click4);
EXPECT_EQ(4, click_tracker.GetCurrentBurstCountForTesting());
// Now exceed position delta threshold.
timestamp += base::Milliseconds(100);
blink::WebMouseEvent click5(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click5.SetPositionInScreen(gfx::PointF(151, 201));
click_tracker.OnUserInput(click5);
EXPECT_EQ(1, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(4, click_tracker.GetMaxBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebMouseEvent click6(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click6.SetPositionInScreen(gfx::PointF(153, 198));
click_tracker.OnUserInput(click6);
EXPECT_EQ(2, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(4, click_tracker.GetMaxBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebMouseEvent click7(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click7.SetPositionInScreen(gfx::PointF(153, 198));
click_tracker.OnUserInput(click7);
EXPECT_EQ(3, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(4, click_tracker.GetMaxBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebMouseEvent click8(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click8.SetPositionInScreen(gfx::PointF(153, 198));
click_tracker.OnUserInput(click8);
EXPECT_EQ(4, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(4, click_tracker.GetMaxBurstCountForTesting());
timestamp += base::Milliseconds(100);
blink::WebMouseEvent click9(blink::WebInputEvent::Type::kMouseUp, 0,
timestamp);
click9.SetPositionInScreen(gfx::PointF(153, 198));
click_tracker.OnUserInput(click9);
EXPECT_EQ(5, click_tracker.GetCurrentBurstCountForTesting());
EXPECT_EQ(5, click_tracker.GetMaxBurstCountForTesting());
base::HistogramTester histogram_tester;
ukm::SourceId ukm_source_id = ukm::SourceId(1);
click_tracker.RecordClickBurst(ukm_source_id);
histogram_tester.ExpectUniqueSample("PageLoad.Experimental.ClickInputBurst",
5, 1);
}
} // namespace page_load_metrics
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