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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/ash/lobster/lobster_image_provider_from_snapper.h"
#include "ash/constants/ash_features.h"
#include "ash/strings/grit/ash_strings.h"
#include "base/functional/callback.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/protobuf_matchers.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "base/test/test_future.h"
#include "chrome/browser/ash/lobster/lobster_test_utils.h"
#include "chrome/browser/ash/lobster/mock/mock_snapper_provider.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/data_decoder/public/cpp/test_support/in_process_data_decoder.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/l10n/l10n_util.h"
namespace {
constexpr int kPreviewImageDimensionSize = 512;
constexpr int kFullImageDimensionSize = 1024;
constexpr int kFakeBaseGenerationSeed = 10;
class LobsterImageProviderFromSnapperTest : public testing::Test {
public:
LobsterImageProviderFromSnapperTest() = default;
LobsterImageProviderFromSnapperTest(
const LobsterImageProviderFromSnapperTest&) = delete;
LobsterImageProviderFromSnapperTest& operator=(
const LobsterImageProviderFromSnapperTest&) = delete;
~LobsterImageProviderFromSnapperTest() override = default;
void SetUp() override {
feature_list_.InitWithFeatures(
/*enabled_features=*/{ash::features::kLobsterUseRewrittenQuery},
/*disabled_features=*/{ash::features::kLobsterI18n});
}
private:
base::test::ScopedFeatureList feature_list_;
base::test::TaskEnvironment task_environment_;
data_decoder::test::InProcessDataDecoder in_process_data_decoder_;
};
TEST_F(LobsterImageProviderFromSnapperTest,
RequestMultipleCandidatesCallSnapperProvider) {
MockSnapperProvider snapper_provider;
LobsterCandidateIdGenerator id_generator;
LobsterImageProviderFromSnapper image_fetcher(&snapper_provider,
&id_generator);
EXPECT_CALL(
snapper_provider,
Call(
base::test::EqualsProto(CreateTestMantaRequest(
/*query=*/"a lovely cake", /*seed=*/std::nullopt, /*size=*/
gfx::Size(kPreviewImageDimensionSize, kPreviewImageDimensionSize),
/*num_outputs=*/2, /*use_query_rewriter=*/true,
/*use_i18n=*/false)),
testing::_, testing::_))
.WillOnce(testing::Invoke(
[](const manta::proto::Request& request,
net::NetworkTrafficAnnotationTag traffic_annotation,
manta::MantaProtoResponseCallback done_callback) {
std::move(done_callback)
.Run(CreateFakeMantaResponse(
/*queries_returned_from_server=*/
{"rewritten 1: a nice cake",
"rewritten 2: a beautiful cake"},
gfx::Size(kPreviewImageDimensionSize,
kPreviewImageDimensionSize)),
{.status_code = manta::MantaStatusCode::kOk,
.message = ""});
}));
base::test::TestFuture<const ash::LobsterResult&> future;
image_fetcher.RequestMultipleCandidates(
/*query=*/"a lovely cake",
/*num_candidates=*/2, future.GetCallback());
EXPECT_THAT(
future.Get().value(),
testing::ElementsAre(
EqLobsterImageCandidate(
/*expected_id=*/0,
/*expected_bitmap=*/
CreateTestBitmap(kPreviewImageDimensionSize,
kPreviewImageDimensionSize),
/*expected_generation_seed=*/10,
/*expected_user_query=*/"a lovely cake",
/*expected_rewritten_query=*/"rewritten 1: a nice cake"),
EqLobsterImageCandidate(
/*expected_id=*/1,
/*expected_bitmap=*/
CreateTestBitmap(kPreviewImageDimensionSize,
kPreviewImageDimensionSize),
/*expected_generation_seed=*/11,
/*expected_user_query=*/"a lovely cake",
/*expected_rewritten_query=*/"rewritten 2: a beautiful cake")));
}
TEST_F(LobsterImageProviderFromSnapperTest,
RequestSingleCandidateWithSeedCallSnapperProvider) {
MockSnapperProvider snapper_provider;
LobsterCandidateIdGenerator id_generator;
LobsterImageProviderFromSnapper image_fetcher(&snapper_provider,
&id_generator);
EXPECT_CALL(
snapper_provider,
Call(base::test::EqualsProto(CreateTestMantaRequest(
/*query=*/"a lovely cake",
/*seed=*/kFakeBaseGenerationSeed, /*size=*/
gfx::Size(kFullImageDimensionSize, kFullImageDimensionSize),
/*num_outputs=*/1, /*use_query_rewriter=*/true,
/*use_i18n=*/false)),
testing::_, testing::_))
.WillOnce(testing::Invoke(
[](const manta::proto::Request& request,
net::NetworkTrafficAnnotationTag traffic_annotation,
manta::MantaProtoResponseCallback done_callback) {
std::move(done_callback)
.Run(CreateFakeMantaResponse(
/*queries_returned_from_server=*/{"rewritten 1: a "
"nice cake"},
gfx::Size(kFullImageDimensionSize,
kFullImageDimensionSize)),
{.status_code = manta::MantaStatusCode::kOk,
.message = ""});
}));
base::test::TestFuture<const ash::LobsterResult&> future;
image_fetcher.RequestSingleCandidateWithSeed(
/*query=*/"a lovely cake", /*seed=*/kFakeBaseGenerationSeed,
future.GetCallback());
EXPECT_THAT(
future.Get().value(),
testing::ElementsAre(EqLobsterImageCandidate(
/*expected_id=*/0,
/*expected_bitmap=*/
CreateTestBitmap(kFullImageDimensionSize, kFullImageDimensionSize),
/*expected_generation_seed=*/kFakeBaseGenerationSeed,
/*expected_rewritten_query=*/"a lovely cake",
/*expected_rewritten_query=*/"rewritten 1: a nice cake")));
}
TEST_F(
LobsterImageProviderFromSnapperTest,
RequestMultipleCandidatesReturnsUnknownErrorIfMantaProviderHasAGenericError) {
MockSnapperProvider snapper_provider;
LobsterCandidateIdGenerator id_generator;
LobsterImageProviderFromSnapper image_fetcher(&snapper_provider,
&id_generator);
EXPECT_CALL(
snapper_provider,
Call(
base::test::EqualsProto(CreateTestMantaRequest(
/*query=*/"a sweet candy", /*seed=*/std::nullopt, /*size=*/
gfx::Size(kPreviewImageDimensionSize, kPreviewImageDimensionSize),
/*num_outputs=*/2, /*use_query_rewriter=*/true,
/*use_i18n=*/false)),
testing::_, testing::_))
.WillOnce(testing::Invoke(
[](const manta::proto::Request& request,
net::NetworkTrafficAnnotationTag traffic_annotation,
manta::MantaProtoResponseCallback done_callback) {
std::move(done_callback)
.Run(std::make_unique<manta::proto::Response>(),
{.status_code = manta::MantaStatusCode::kGenericError,
.message = "generic error"});
}));
base::test::TestFuture<const ash::LobsterResult&> future;
image_fetcher.RequestMultipleCandidates(
/*query=*/"a sweet candy",
/*num_candidates=*/2, future.GetCallback());
EXPECT_FALSE(future.Get().has_value());
EXPECT_EQ(
future.Get().error(),
ash::LobsterError(ash::LobsterErrorCode::kUnknown,
l10n_util::GetStringUTF8(
IDS_LOBSTER_NO_SERVER_RESPONSE_ERROR_MESSAGE)));
}
} // namespace
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