/*
|
* Copyright (C) 2018 The Android Open Source Project
|
*
|
* 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 "actions/zlib-utils.h"
|
|
#include <memory>
|
|
#include "actions/actions_model_generated.h"
|
#include "utils/zlib/zlib.h"
|
#include "gmock/gmock.h"
|
#include "gtest/gtest.h"
|
|
namespace libtextclassifier3 {
|
|
namespace {
|
|
TEST(ZlibUtilsTest, CompressModel) {
|
ActionsModelT model;
|
constexpr char kTestPattern1[] = "this is a test pattern";
|
constexpr char kTestPattern2[] = "this is a second test pattern";
|
model.rules.reset(new RulesModelT);
|
model.rules->rule.emplace_back(new RulesModel_::RuleT);
|
model.rules->rule.back()->pattern = kTestPattern1;
|
model.rules->rule.emplace_back(new RulesModel_::RuleT);
|
model.rules->rule.back()->pattern = kTestPattern2;
|
|
// Compress the model.
|
EXPECT_TRUE(CompressActionsModel(&model));
|
|
// Sanity check that uncompressed field is removed.
|
EXPECT_TRUE(model.rules->rule[0]->pattern.empty());
|
EXPECT_TRUE(model.rules->rule[1]->pattern.empty());
|
// Pack and load the model.
|
flatbuffers::FlatBufferBuilder builder;
|
FinishActionsModelBuffer(builder, ActionsModel::Pack(builder, &model));
|
const ActionsModel* compressed_model = GetActionsModel(
|
reinterpret_cast<const char*>(builder.GetBufferPointer()));
|
ASSERT_TRUE(compressed_model != nullptr);
|
|
// Decompress the fields again and check that they match the original.
|
std::unique_ptr<ZlibDecompressor> decompressor = ZlibDecompressor::Instance();
|
ASSERT_TRUE(decompressor != nullptr);
|
std::string uncompressed_pattern;
|
EXPECT_TRUE(decompressor->MaybeDecompress(
|
compressed_model->rules()->rule()->Get(0)->compressed_pattern(),
|
&uncompressed_pattern));
|
EXPECT_EQ(uncompressed_pattern, kTestPattern1);
|
EXPECT_TRUE(decompressor->MaybeDecompress(
|
compressed_model->rules()->rule()->Get(1)->compressed_pattern(),
|
&uncompressed_pattern));
|
EXPECT_EQ(uncompressed_pattern, kTestPattern2);
|
EXPECT_TRUE(DecompressActionsModel(&model));
|
EXPECT_EQ(model.rules->rule[0]->pattern, kTestPattern1);
|
EXPECT_EQ(model.rules->rule[1]->pattern, kTestPattern2);
|
}
|
|
} // namespace
|
|
} // namespace libtextclassifier3
|
