be/test/vec/exec/delta_writer_v2_pool_test.cpp

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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
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// specific language governing permissions and limitations
// under the License.
#include "vec/sink/delta_writer_v2_pool.h"

#include <gtest/gtest.h>

#include "olap/delta_writer_v2.h"

namespace doris::vectorized {

class DeltaWriterV2PoolTest : public testing::Test {
public:
    DeltaWriterV2PoolTest() = default;
    virtual ~DeltaWriterV2PoolTest() = default;
};

TEST_F(DeltaWriterV2PoolTest, test_pool) {
    DeltaWriterV2Pool pool;
    PUniqueId load_id;
    load_id.set_hi(1);
    load_id.set_hi(2);
    PUniqueId load_id2;
    load_id2.set_hi(1);
    load_id2.set_hi(3);
    auto map = pool.get_or_create(load_id);
    auto map2 = pool.get_or_create(load_id2);
    auto map3 = pool.get_or_create(load_id);
    EXPECT_EQ(2, pool.size());
    EXPECT_EQ(map, map3);
    EXPECT_NE(map, map2);
    std::unordered_map<int64_t, int32_t> sft;
    EXPECT_TRUE(map->close(sft).ok());
    EXPECT_TRUE(map2->close(sft).ok());
    EXPECT_TRUE(map3->close(sft).ok());
    EXPECT_EQ(0, pool.size());
}

TEST_F(DeltaWriterV2PoolTest, test_map) {
    DeltaWriterV2Pool pool;
    PUniqueId load_id;
    load_id.set_hi(1);
    load_id.set_hi(2);
    auto map = pool.get_or_create(load_id);
    EXPECT_EQ(1, pool.size());
    WriteRequest req;
    RuntimeState state;
    auto writer = map->get_or_create(100, [&req, &state]() {
        return std::make_unique<DeltaWriterV2>(
                &req, std::vector<std::shared_ptr<LoadStreamStub>> {}, &state);
    });
    auto writer2 = map->get_or_create(101, [&req, &state]() {
        return std::make_unique<DeltaWriterV2>(
                &req, std::vector<std::shared_ptr<LoadStreamStub>> {}, &state);
    });
    auto writer3 = map->get_or_create(100, [&req, &state]() {
        return std::make_unique<DeltaWriterV2>(
                &req, std::vector<std::shared_ptr<LoadStreamStub>> {}, &state);
    });
    EXPECT_EQ(2, map->size());
    EXPECT_EQ(writer, writer3);
    EXPECT_NE(writer, writer2);
    std::unordered_map<int64_t, int32_t> sft;
    static_cast<void>(map->close(sft));
    EXPECT_EQ(0, pool.size());
}

} // namespace doris::vectorized