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5f923cd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | // Copyright 2025 The ODML Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "runtime/util/litert_lm_loader.h"
#include <filesystem> // NOLINT: Required for path manipulation.
#include <memory>
#include <utility>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "absl/status/status.h" // from @com_google_absl
#include "runtime/components/model_resources.h"
#include "runtime/util/memory_mapped_file.h"
#include "runtime/util/scoped_file.h"
#include "runtime/util/status_macros.h" // IWYU pragma: keep
#include "schema/core/litertlm_header_schema_generated.h"
namespace litert::lm {
namespace {
using ::testing::status::StatusIs;
TEST(LitertLmLoaderTest, GetSectionLocationNotFound) {
const auto model_path =
std::filesystem::path(::testing::SrcDir()) /
"litert_lm/runtime/testdata/test_lm.litertlm";
ASSERT_OK_AND_ASSIGN(std::unique_ptr<MemoryMappedFile> mapped_file,
MemoryMappedFile::Create(model_path.string()));
LitertLmLoader loader(std::move(mapped_file));
BufferKey embedder_key(schema::AnySectionDataType_TFLiteModel,
ModelType::kTfLiteEmbedder);
EXPECT_THAT(loader.GetSectionLocation(embedder_key),
StatusIs(absl::StatusCode::kNotFound));
}
TEST(LitertLmLoaderTest, InitializeWithSentencePieceFile) {
const auto model_path =
std::filesystem::path(::testing::SrcDir()) /
"litert_lm/runtime/testdata/test_lm.litertlm";
auto model_file = ScopedFile::Open(model_path.string());
EXPECT_TRUE(model_file.ok());
LitertLmLoader loader(std::move(model_file.value()));
EXPECT_FALSE(loader.GetHuggingFaceTokenizer());
EXPECT_GT(loader.GetSentencePieceTokenizer()->Size(), 0);
EXPECT_GT(loader.GetTFLiteModel(ModelType::kTfLitePrefillDecode).Size(), 0);
EXPECT_GT(loader.GetLlmMetadata().Size(), 0);
// Try to get non-existent TFLite model.
EXPECT_EQ(loader.GetTFLiteModel(ModelType::kTfLiteEmbedder).Size(), 0);
}
TEST(LitertLmLoaderTest, InitializeWithHuggingFaceFile) {
const auto model_path =
std::filesystem::path(::testing::SrcDir()) /
"litert_lm/runtime/testdata/test_hf_tokenizer.litertlm";
auto model_file = ScopedFile::Open(model_path.string());
ASSERT_TRUE(model_file.ok());
LitertLmLoader loader(std::move(model_file.value()));
ASSERT_GT(loader.GetHuggingFaceTokenizer()->Size(), 0);
ASSERT_FALSE(loader.GetSentencePieceTokenizer());
}
TEST(LitertLmLoaderTest, InitializeWithMemoryMappedFile) {
const auto model_path =
std::filesystem::path(::testing::SrcDir()) /
"litert_lm/runtime/testdata/test_lm.litertlm";
ASSERT_OK_AND_ASSIGN(std::unique_ptr<MemoryMappedFile> mapped_file,
MemoryMappedFile::Create(model_path.string()));
LitertLmLoader loader(std::move(mapped_file));
EXPECT_FALSE(loader.GetHuggingFaceTokenizer());
EXPECT_GT(loader.GetSentencePieceTokenizer()->Size(), 0);
EXPECT_GT(loader.GetTFLiteModel(ModelType::kTfLitePrefillDecode).Size(), 0);
EXPECT_GT(loader.GetLlmMetadata().Size(), 0);
EXPECT_EQ(loader.GetTFLiteModel(ModelType::kTfLiteEmbedder).Size(), 0);
}
TEST(LitertLmLoaderTest, GetSectionLocationSizeMatch) {
const auto model_path =
std::filesystem::path(::testing::SrcDir()) /
"litert_lm/runtime/testdata/test_lm.litertlm";
ASSERT_OK_AND_ASSIGN(std::unique_ptr<MemoryMappedFile> mapped_file,
MemoryMappedFile::Create(model_path.string()));
LitertLmLoader loader(std::move(mapped_file));
BufferKey sp_key(schema::AnySectionDataType_SP_Tokenizer);
ASSERT_OK_AND_ASSIGN(auto sp_location, loader.GetSectionLocation(sp_key));
EXPECT_EQ(sp_location.second - sp_location.first,
loader.GetSentencePieceTokenizer()->Size());
BufferKey model_key(schema::AnySectionDataType_TFLiteModel,
ModelType::kTfLitePrefillDecode);
ASSERT_OK_AND_ASSIGN(auto model_location,
loader.GetSectionLocation(model_key));
EXPECT_EQ(model_location.second - model_location.first,
loader.GetTFLiteModel(ModelType::kTfLitePrefillDecode).Size());
BufferKey metadata_key(schema::AnySectionDataType_LlmMetadataProto);
ASSERT_OK_AND_ASSIGN(auto metadata_location,
loader.GetSectionLocation(metadata_key));
EXPECT_EQ(metadata_location.second - metadata_location.first,
loader.GetLlmMetadata().Size());
}
} // namespace
} // namespace litert::lm
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