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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/test/metrics/histogram_tester.h"
#include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/location_bar/location_bar.h"
#include "chrome/browser/ui/search/omnibox_utils.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/search_test_utils.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/omnibox/browser/autocomplete_controller.h"
#include "components/omnibox/browser/autocomplete_input.h"
#include "components/omnibox/browser/autocomplete_match.h"
#include "components/omnibox/browser/autocomplete_result.h"
#include "components/omnibox/browser/omnibox_controller.h"
#include "components/omnibox/browser/omnibox_edit_model.h"
#include "components/omnibox/browser/omnibox_view.h"
#include "components/search_engines/search_engine_type.h"
#include "components/search_engines/template_url_service.h"
#include "content/public/test/browser_test.h"
#include "third_party/metrics_proto/omnibox_event.pb.h"
namespace {
using metrics::OmniboxEventProto;
using ui_test_utils::WaitForAutocompleteDone;
class OmniboxMetricsTest : public InProcessBrowserTest {
public:
OmniboxMetricsTest() = default;
~OmniboxMetricsTest() override = default;
void SetUpOnMainThread() override {
InProcessBrowserTest::SetUpOnMainThread();
// The omnibox suggestion results depend on the TemplateURLService being
// loaded. Make sure it is loaded so that the autocomplete results are
// consistent.
search_test_utils::WaitForTemplateURLServiceToLoad(
TemplateURLServiceFactory::GetForProfile(browser()->profile()));
// Prevent the stop timer from killing the hints fetch early, which might
// cause test flakiness due to timeout.
controller()->SetStartStopTimerDurationForTesting(base::Seconds(30));
}
protected:
AutocompleteController* controller() {
return browser()
->window()
->GetLocationBar()
->GetOmniboxView()
->controller()
->autocomplete_controller();
}
OmniboxEditModel* model() {
return browser()->window()->GetLocationBar()->GetOmniboxView()->model();
}
};
} // namespace
IN_PROC_BROWSER_TEST_F(OmniboxMetricsTest, LogSearchEngineUsed) {
AutocompleteInput input(
u"z", metrics::OmniboxEventProto::NTP,
ChromeAutocompleteSchemeClassifier(browser()->profile()));
controller()->Start(input);
WaitForAutocompleteDone(browser());
EXPECT_TRUE(controller()->done());
const AutocompleteResult& result = controller()->result();
ASSERT_FALSE(result.empty());
const AutocompleteMatch& match = result.match_at(0);
EXPECT_EQ(u"google.com", match.keyword);
EXPECT_EQ(u"z", match.fill_into_edit);
EXPECT_EQ(AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
result.match_at(0).type);
base::HistogramTester histogram_tester;
model()->SetPopupSelection(OmniboxPopupSelection(0));
model()->OpenSelection(base::TimeTicks(), WindowOpenDisposition::CURRENT_TAB);
WaitForAutocompleteDone(browser());
EXPECT_TRUE(controller()->done());
histogram_tester.ExpectUniqueSample("Omnibox.SearchEngineType",
SEARCH_ENGINE_GOOGLE, 1);
histogram_tester.ExpectUniqueSample(
"Omnibox.SearchEngineType.Fallback.DefaultSearchProvider",
SEARCH_ENGINE_GOOGLE, 1);
}
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