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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/password_manager/password_change_delegate_impl.h"
#include "base/test/metrics/histogram_tester.h"
#include "chrome/browser/optimization_guide/mock_optimization_guide_keyed_service.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service_factory.h"
#include "chrome/browser/password_manager/chrome_password_manager_client.h"
#include "chrome/browser/password_manager/password_change/change_password_form_finder.h"
#include "chrome/browser/ui/autofill/chrome_autofill_client.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "components/optimization_guide/core/optimization_guide_features.h"
#include "components/optimization_guide/core/optimization_guide_prefs.h"
#include "components/password_manager/core/common/password_manager_pref_names.h"
#include "components/prefs/pref_service.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace {
using testing::Return;
const char kChangePasswordURL[] = "https://example.com/password/";
const std::u16string kTestEmail = u"elisa.buckett@gmail.com";
const std::u16string kPassword = u"cE1L45Vgxyzlu8";
class MockPageNavigator : public content::PageNavigator {
public:
MOCK_METHOD(content::WebContents*,
OpenURL,
(const content::OpenURLParams&,
base::OnceCallback<void(content::NavigationHandle&)>),
(override));
};
} // namespace
class PasswordChangeDelegateImplTest : public ChromeRenderViewHostTestHarness {
public:
PasswordChangeDelegateImplTest()
: ChromeRenderViewHostTestHarness(
base::test::TaskEnvironment::TimeSource::MOCK_TIME) {}
~PasswordChangeDelegateImplTest() override = default;
void FastForwardBy(base::TimeDelta delta) {
task_environment()->FastForwardBy(delta);
}
PrefService* prefs() { return profile()->GetPrefs(); }
MockPageNavigator& navigator() { return navigator_; }
void SetOptimizationFeatureEnabled(bool enabled) {
ON_CALL(*mock_optimization_guide_keyed_service_,
ShouldFeatureBeCurrentlyEnabledForUser(
optimization_guide::UserVisibleFeatureKey::
kPasswordChangeSubmission))
.WillByDefault(testing::Return(enabled));
}
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
mock_optimization_guide_keyed_service_ =
static_cast<MockOptimizationGuideKeyedService*>(
OptimizationGuideKeyedServiceFactory::GetInstance()
->SetTestingFactoryAndUse(
profile(),
base::BindRepeating([](content::BrowserContext* context)
-> std::unique_ptr<KeyedService> {
return std::make_unique<testing::NiceMock<
MockOptimizationGuideKeyedService>>();
})));
delegate_ = std::make_unique<PasswordChangeDelegateImpl>(
GURL(kChangePasswordURL), kTestEmail, kPassword, web_contents());
delegate_->OfferPasswordChangeUi();
}
void TearDown() override {
delegate_.reset();
mock_optimization_guide_keyed_service_ = nullptr;
ChromeRenderViewHostTestHarness::TearDown();
}
PasswordChangeDelegate* delegate() { return delegate_.get(); }
void ResetDelegate() { delegate_.reset(); }
protected:
raw_ptr<MockOptimizationGuideKeyedService>
mock_optimization_guide_keyed_service_;
private:
MockPageNavigator navigator_;
std::unique_ptr<PasswordChangeDelegateImpl> delegate_;
};
TEST_F(PasswordChangeDelegateImplTest, WaitingForAgreement) {
delegate()->StartPasswordChangeFlow();
EXPECT_EQ(
prefs()->GetInteger(optimization_guide::prefs::GetSettingEnabledPrefName(
optimization_guide::UserVisibleFeatureKey::
kPasswordChangeSubmission)),
static_cast<int>(
optimization_guide::prefs::FeatureOptInState::kNotInitialized));
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForAgreement,
delegate()->GetCurrentState());
delegate()->OnPrivacyNoticeAccepted();
SetOptimizationFeatureEnabled(/*enabled=*/true);
// Both pref and state reflect acceptance.
EXPECT_EQ(
prefs()->GetInteger(optimization_guide::prefs::GetSettingEnabledPrefName(
optimization_guide::UserVisibleFeatureKey::
kPasswordChangeSubmission)),
static_cast<int>(optimization_guide::prefs::FeatureOptInState::kEnabled));
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
}
TEST_F(PasswordChangeDelegateImplTest, PasswordChangeFormNotFound) {
SetOptimizationFeatureEnabled(/*enabled=*/true);
base::HistogramTester histogram_tester;
delegate()->StartPasswordChangeFlow();
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
static_cast<PasswordChangeDelegateImpl*>(delegate())
->form_finder()
->RespondWithFormNotFound();
EXPECT_EQ(PasswordChangeDelegate::State::kChangePasswordFormNotFound,
delegate()->GetCurrentState());
ResetDelegate();
histogram_tester.ExpectUniqueSample(
PasswordChangeDelegateImpl::kFinalPasswordChangeStatusHistogram,
PasswordChangeDelegate::State::kChangePasswordFormNotFound, 1);
}
TEST_F(PasswordChangeDelegateImplTest, RestartPasswordChange) {
SetOptimizationFeatureEnabled(/*enabled=*/true);
delegate()->StartPasswordChangeFlow();
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
static_cast<PasswordChangeDelegateImpl*>(delegate())
->form_finder()
->RespondWithFormNotFound();
EXPECT_EQ(PasswordChangeDelegate::State::kChangePasswordFormNotFound,
delegate()->GetCurrentState());
delegate()->Restart();
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
}
TEST_F(PasswordChangeDelegateImplTest, MetricsReportedFlowOffered) {
base::HistogramTester histogram_tester;
ResetDelegate();
histogram_tester.ExpectUniqueSample(
PasswordChangeDelegateImpl::kFinalPasswordChangeStatusHistogram,
PasswordChangeDelegate::State::kOfferingPasswordChange, 1);
}
TEST_F(PasswordChangeDelegateImplTest,
MetricsReportedFlowCanceledInPrivacyNotice) {
SetOptimizationFeatureEnabled(/*enabled=*/false);
base::HistogramTester histogram_tester;
delegate()->StartPasswordChangeFlow();
ResetDelegate();
histogram_tester.ExpectUniqueSample(
PasswordChangeDelegateImpl::kFinalPasswordChangeStatusHistogram,
PasswordChangeDelegate::State::kWaitingForAgreement, 1);
}
TEST_F(PasswordChangeDelegateImplTest,
MetricsReportedFlowCanceledDuringSignInCheck) {
SetOptimizationFeatureEnabled(/*enabled=*/true);
base::HistogramTester histogram_tester;
delegate()->StartPasswordChangeFlow();
ResetDelegate();
histogram_tester.ExpectUniqueSample(
PasswordChangeDelegateImpl::kFinalPasswordChangeStatusHistogram,
PasswordChangeDelegate::State::kWaitingForChangePasswordForm, 1);
}
TEST_F(PasswordChangeDelegateImplTest,
OtpDetectionIgnoredWhenFlowIsNotStarted) {
ASSERT_EQ(PasswordChangeDelegate::State::kOfferingPasswordChange,
delegate()->GetCurrentState());
delegate()->OnOtpFieldDetected(web_contents());
EXPECT_EQ(PasswordChangeDelegate::State::kOfferingPasswordChange,
delegate()->GetCurrentState());
}
TEST_F(PasswordChangeDelegateImplTest,
OtpDetectionIgnoredWhenWaitingForAgreement) {
delegate()->StartPasswordChangeFlow();
ASSERT_EQ(PasswordChangeDelegate::State::kWaitingForAgreement,
delegate()->GetCurrentState());
delegate()->OnOtpFieldDetected(
static_cast<PasswordChangeDelegateImpl*>(delegate())->executor());
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForAgreement,
delegate()->GetCurrentState());
}
TEST_F(PasswordChangeDelegateImplTest, OtpDetectionIgnoredOnOriginalTab) {
SetOptimizationFeatureEnabled(/*enabled=*/true);
delegate()->StartPasswordChangeFlow();
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
delegate()->OnOtpFieldDetected(web_contents());
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
}
TEST_F(PasswordChangeDelegateImplTest, OtpDetectionProcessed) {
SetOptimizationFeatureEnabled(/*enabled=*/true);
delegate()->StartPasswordChangeFlow();
EXPECT_EQ(PasswordChangeDelegate::State::kWaitingForChangePasswordForm,
delegate()->GetCurrentState());
delegate()->OnOtpFieldDetected(
static_cast<PasswordChangeDelegateImpl*>(delegate())->executor());
EXPECT_EQ(PasswordChangeDelegate::State::kOtpDetected,
delegate()->GetCurrentState());
}
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