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81 lines
3.1 KiB
81 lines
3.1 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "actions/zlib-utils.h"
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#include <memory>
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#include "actions/actions_model_generated.h"
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#include "utils/zlib/zlib.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace libtextclassifier3 {
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namespace {
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using testing::ElementsAre;
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using testing::Field;
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using testing::Pointee;
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TEST(ActionsZlibUtilsTest, CompressModel) {
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ActionsModelT model;
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constexpr char kTestPattern1[] = "this is a test pattern";
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constexpr char kTestPattern2[] = "this is a second test pattern";
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constexpr char kTestOutputPattern[] = "this is an output pattern";
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model.rules.reset(new RulesModelT);
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model.rules->regex_rule.emplace_back(new RulesModel_::RegexRuleT);
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model.rules->regex_rule.back()->pattern = kTestPattern1;
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model.rules->regex_rule.emplace_back(new RulesModel_::RegexRuleT);
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model.rules->regex_rule.back()->pattern = kTestPattern2;
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model.rules->regex_rule.back()->output_pattern = kTestOutputPattern;
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// Compress the model.
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EXPECT_TRUE(CompressActionsModel(&model));
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// Sanity check that uncompressed field is removed.
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const auto is_empty_pattern =
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Pointee(Field(&libtextclassifier3::RulesModel_::RegexRuleT::pattern,
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testing::IsEmpty()));
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EXPECT_THAT(model.rules->regex_rule,
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ElementsAre(is_empty_pattern, is_empty_pattern));
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// Pack and load the model.
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flatbuffers::FlatBufferBuilder builder;
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FinishActionsModelBuffer(builder, ActionsModel::Pack(builder, &model));
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const ActionsModel* compressed_model = GetActionsModel(
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reinterpret_cast<const char*>(builder.GetBufferPointer()));
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ASSERT_TRUE(compressed_model != nullptr);
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// Decompress the fields again and check that they match the original.
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std::unique_ptr<ZlibDecompressor> decompressor = ZlibDecompressor::Instance();
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ASSERT_TRUE(decompressor != nullptr);
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std::string uncompressed_pattern;
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EXPECT_TRUE(decompressor->MaybeDecompress(
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compressed_model->rules()->regex_rule()->Get(0)->compressed_pattern(),
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&uncompressed_pattern));
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EXPECT_EQ(uncompressed_pattern, kTestPattern1);
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EXPECT_TRUE(decompressor->MaybeDecompress(
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compressed_model->rules()->regex_rule()->Get(1)->compressed_pattern(),
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&uncompressed_pattern));
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EXPECT_EQ(uncompressed_pattern, kTestPattern2);
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EXPECT_TRUE(DecompressActionsModel(&model));
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EXPECT_EQ(model.rules->regex_rule[0]->pattern, kTestPattern1);
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EXPECT_EQ(model.rules->regex_rule[1]->pattern, kTestPattern2);
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EXPECT_EQ(model.rules->regex_rule[1]->output_pattern, kTestOutputPattern);
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}
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} // namespace
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} // namespace libtextclassifier3
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