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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 "content/browser/webid/fedcm_mappers.h"
#include <optional>
#include <string>
#include <vector>
#include "base/test/scoped_feature_list.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/webid/federated_auth_request.mojom.h"
using Field = content::IdentityRequestDialogDisclosureField;
using LoginState = content::IdentityRequestAccount::LoginState;
using ::testing::ElementsAre;
namespace content {
namespace {
IdentityRequestAccountPtr CreateEmptyAccount() {
std::vector<std::string> empty;
return base::MakeRefCounted<IdentityRequestAccount>(
/*id=*/"",
/*display_identifier=*/"", /*display_name=*/"", /*email=*/"",
/*name=*/"", /*given_name=*/"", /*picture=*/GURL(), /*phone=*/"",
/*username=*/"", /*login_hints=*/empty, /*domain_hints=*/empty,
/*labels=*/empty);
}
} // namespace
TEST(FedCmMappersTest, GetDisclosureFieldsEmpty) {
// An unknown field is being requested.
std::vector<std::string> fields = {"address"};
EXPECT_THAT(GetDisclosureFields(std::make_optional(fields)), ElementsAre());
// Nothing is requested.
EXPECT_THAT(
GetDisclosureFields(std::make_optional<std::vector<std::string>>({})),
ElementsAre());
}
TEST(FedCmMappersTest, GetDisclosureFields) {
// When no fields are passed, we use the default.
EXPECT_THAT(GetDisclosureFields(std::nullopt),
ElementsAre(Field::kName, Field::kEmail, Field::kPicture));
// When the default fields are explicitly passed, we should mediate them.
std::vector<std::string> fields = {"name", "email", "picture"};
EXPECT_THAT(GetDisclosureFields(std::make_optional(fields)),
ElementsAre(Field::kName, Field::kEmail, Field::kPicture));
// When a superset of the supported fields is passed, we should mediate the
// supported fields.
fields = {"name", "email", "picture", "locale", "tel"};
EXPECT_THAT(GetDisclosureFields(std::make_optional(fields)),
ElementsAre(Field::kName, Field::kEmail, Field::kPicture));
}
TEST(FedCmMappersTest, GetDisclosureFieldsWithAlternativeIdentifiers) {
base::test::ScopedFeatureList list;
list.InitAndEnableFeature(features::kFedCmAlternativeIdentifiers);
// When a superset of the supported fields is passed, we should mediate the
// supported fields.
std::vector<std::string> fields = {"name", "email", "picture", "locale",
"tel"};
EXPECT_THAT(GetDisclosureFields(std::make_optional(fields)),
ElementsAre(Field::kName, Field::kEmail, Field::kPicture,
Field::kPhoneNumber));
}
TEST(FedCmMappersTest, GetDisclosureFieldsWithAlternativeIdentifiersDisabled) {
base::test::ScopedFeatureList list;
list.InitAndDisableFeature(features::kFedCmAlternativeIdentifiers);
// We should only support the new identifiers if the flag is enabled
std::vector<std::string> fields = {"username", "tel"};
EXPECT_THAT(GetDisclosureFields(std::make_optional(fields)), ElementsAre());
}
TEST(FedCmMappersTest, GetDisclosureFieldsSubsetOfDefault) {
// Subsets of the default fields should work.
std::vector<std::string> fields = {"name", "locale"};
EXPECT_THAT(GetDisclosureFields(std::make_optional(fields)),
ElementsAre(Field::kName));
}
TEST(FedCmMappersTest, ComputeAccountFields) {
std::vector<Field> fields = {Field::kName, Field::kPicture};
IdentityRequestAccountPtr account = CreateEmptyAccount();
std::vector<IdentityRequestAccountPtr> accounts{account};
ComputeAccountFields(fields, accounts);
EXPECT_EQ(0u, account->fields.size());
account->name = "First Last";
ComputeAccountFields(fields, accounts);
EXPECT_THAT(account->fields, ElementsAre(Field::kName));
account->browser_trusted_login_state = LoginState::kSignIn;
ComputeAccountFields(fields, accounts);
EXPECT_EQ(0u, account->fields.size());
// IDP login state should override browser login state
account->idp_claimed_login_state = LoginState::kSignUp;
ComputeAccountFields(fields, accounts);
EXPECT_THAT(account->fields, ElementsAre(Field::kName));
}
} // namespace content
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