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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 "chrome/browser/ui/lens/lens_search_feature_flag_utils.h"
#include <memory>
#include <optional>
#include <tuple>
#include <vector>
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/autocomplete/aim_eligibility_service_factory.h"
#include "chrome/browser/autocomplete/chrome_aim_eligibility_service.h"
#include "chrome/browser/browser_process.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/test/base/in_process_browser_test.h"
#include "chrome/test/base/scoped_browser_locale.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/lens/lens_features.h"
#include "components/prefs/pref_service.h"
#include "components/variations/service/variations_service.h"
#include "content/public/browser/browser_context.h"
#include "content/public/test/browser_test.h"
#include "testing/gtest/include/gtest/gtest.h"
// A test AimEligibilityService that returns a fixed eligibility value.
class TestingAimEligibilityService : public ChromeAimEligibilityService {
public:
explicit TestingAimEligibilityService(
bool is_locally_eligible,
bool is_server_eligible,
bool server_eligibility_enabled,
PrefService& pref_service,
TemplateURLService* template_url_service)
: ChromeAimEligibilityService(pref_service,
template_url_service,
/*url_loader_factory=*/nullptr,
/*identity_manager=*/nullptr),
is_locally_eligible_(is_locally_eligible),
is_server_eligible_(is_server_eligible),
server_eligibility_enabled_(server_eligibility_enabled) {}
~TestingAimEligibilityService() override = default;
bool IsAimLocallyEligible() const override { return is_locally_eligible_; }
bool IsServerEligibilityEnabled() const override {
return server_eligibility_enabled_;
}
bool IsAimEligible() const override {
if (!IsAimLocallyEligible()) {
return false;
}
if (IsServerEligibilityEnabled()) {
return is_server_eligible_;
}
return true;
}
private:
bool is_locally_eligible_;
bool is_server_eligible_;
bool server_eligibility_enabled_;
};
class LensSearchFeatureFlagsUtilsBrowserTestBase : public InProcessBrowserTest {
public:
LensSearchFeatureFlagsUtilsBrowserTestBase() = default;
~LensSearchFeatureFlagsUtilsBrowserTestBase() override = default;
protected:
void SetUpAimEligibilityService(bool is_locally_eligible,
bool is_server_eligible,
bool server_eligibility_enabled) {
AimEligibilityServiceFactory::GetInstance()->SetTestingFactory(
browser()->profile(),
base::BindLambdaForTesting(
[is_locally_eligible, is_server_eligible,
server_eligibility_enabled](content::BrowserContext* context) {
Profile* profile = Profile::FromBrowserContext(context);
return static_cast<std::unique_ptr<KeyedService>>(
std::make_unique<TestingAimEligibilityService>(
is_locally_eligible, is_server_eligible,
server_eligibility_enabled, *profile->GetPrefs(),
TemplateURLServiceFactory::GetForProfile(profile)));
}));
}
};
// Test fixture with kLensSearchAimM3 feature enabled.
class LensSearchFeatureFlagsUtilsAimM3EnabledTest
: public LensSearchFeatureFlagsUtilsBrowserTestBase {
public:
LensSearchFeatureFlagsUtilsAimM3EnabledTest() = default;
~LensSearchFeatureFlagsUtilsAimM3EnabledTest() override = default;
protected:
base::test::ScopedFeatureList feature_list_{lens::features::kLensSearchAimM3};
};
IN_PROC_BROWSER_TEST_F(LensSearchFeatureFlagsUtilsAimM3EnabledTest,
TestIsAimM3Enabled_IsTrue) {
SetUpAimEligibilityService(/*is_locally_eligible=*/true,
/*is_server_eligible=*/true,
/*server_eligibility_enabled=*/true);
EXPECT_TRUE(lens::IsAimM3Enabled(browser()->profile()));
// Returns true when server eligibility checking is disabled as long as the
// local eligibility check passes.
SetUpAimEligibilityService(/*is_locally_eligible=*/true,
/*is_server_eligible=*/false,
/*server_eligibility_enabled=*/false);
EXPECT_TRUE(lens::IsAimM3Enabled(browser()->profile()));
}
IN_PROC_BROWSER_TEST_F(LensSearchFeatureFlagsUtilsAimM3EnabledTest,
TestIsAimM3Enabled_WithIneligibleService_IsFalse) {
SetUpAimEligibilityService(/*is_locally_eligible=*/false,
/*is_server_eligible=*/true,
/*server_eligibility_enabled=*/true);
EXPECT_FALSE(lens::IsAimM3Enabled(browser()->profile()));
SetUpAimEligibilityService(/*is_locally_eligible=*/true,
/*is_server_eligible=*/false,
/*server_eligibility_enabled=*/true);
EXPECT_FALSE(lens::IsAimM3Enabled(browser()->profile()));
}
// Test fixture with kLensSearchAimM3 feature enabled and eligibility check
// disabled.
class LensSearchFeatureFlagsUtilsAimM3EnabledAndEligibilityCheckDisabledTest
: public LensSearchFeatureFlagsUtilsBrowserTestBase {
public:
LensSearchFeatureFlagsUtilsAimM3EnabledAndEligibilityCheckDisabledTest() {
// Initialize the feature list to enable kLensSearchAimM3
// and set the 'use-aim-eligibility-service' param to false.
feature_list_.InitAndEnableFeatureWithParameters(
lens::features::kLensSearchAimM3,
{{"use-aim-eligibility-service", "false"}});
}
~LensSearchFeatureFlagsUtilsAimM3EnabledAndEligibilityCheckDisabledTest()
override = default;
protected:
base::test::ScopedFeatureList feature_list_;
};
IN_PROC_BROWSER_TEST_F(
LensSearchFeatureFlagsUtilsAimM3EnabledAndEligibilityCheckDisabledTest,
TestIsAimM3EnabledButEligibilityCheckDisabled_IsTrue) {
// Returns true when the eligibility check is disabled.
SetUpAimEligibilityService(/*is_locally_eligible=*/false,
/*is_server_eligible=*/false,
/*server_eligibility_enabled=*/false);
EXPECT_TRUE(lens::IsAimM3Enabled(browser()->profile()));
}
// Test fixture with kLensSearchAimM3 feature disabled.
class LensSearchFeatureFlagsUtilsAimM3DisabledTest
: public LensSearchFeatureFlagsUtilsBrowserTestBase {
public:
LensSearchFeatureFlagsUtilsAimM3DisabledTest() = default;
~LensSearchFeatureFlagsUtilsAimM3DisabledTest() override = default;
};
IN_PROC_BROWSER_TEST_F(LensSearchFeatureFlagsUtilsAimM3DisabledTest,
TestIsAimM3Enabled_WithFlagDisabled_IsFalse) {
SetUpAimEligibilityService(/*is_locally_eligible=*/true,
/*is_server_eligible=*/true,
/*server_eligibility_enabled=*/true);
EXPECT_FALSE(lens::IsAimM3Enabled(browser()->profile()));
}
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