mirror of https://gitee.com/bigwinds/arangodb
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2018 ArangoDB GmbH, Cologne, Germany
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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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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Christoph Uhde
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////////////////////////////////////////////////////////////////////////////////
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#include "RowFetcherHelper.h"
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#include "gtest/gtest.h"
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#include "Aql/AqlItemBlock.h"
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#include "Aql/ConstFetcher.h"
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#include "Aql/ExecutorInfos.h"
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#include "Aql/IdExecutor.h"
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#include "Aql/InputAqlItemRow.h"
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#include "Aql/OutputAqlItemRow.h"
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#include "Aql/ResourceUsage.h"
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#include "Aql/Stats.h"
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#include <velocypack/velocypack-aliases.h>
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using namespace arangodb;
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using namespace arangodb::aql;
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namespace arangodb::tests::aql {
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class IdExecutorTest : public ::testing::Test {
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protected:
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ExecutionState state;
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ResourceMonitor monitor;
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AqlItemBlockManager itemBlockManager;
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SharedAqlItemBlockPtr block;
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std::shared_ptr<std::unordered_set<RegisterId>> outputRegisters;
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std::shared_ptr<std::unordered_set<RegisterId>> registersToKeep; // this must be set correctly
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IdExecutorInfos infos;
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OutputAqlItemRow row;
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IdExecutorTest()
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: itemBlockManager(&monitor, SerializationFormat::SHADOWROWS),
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block(new AqlItemBlock(itemBlockManager, 1000, 1)),
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outputRegisters(make_shared_unordered_set()),
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registersToKeep(make_shared_unordered_set({0})),
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infos(1 /*nrRegs*/, *registersToKeep /*toKeep*/, {} /*toClear*/),
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row(std::move(block), outputRegisters, registersToKeep, infos.registersToClear()) {}
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};
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TEST_F(IdExecutorTest, there_are_no_rows_upstream) {
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ConstFetcherHelper fetcher(itemBlockManager, nullptr);
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IdExecutor<ConstFetcher> testee(fetcher, infos);
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NoStats stats{};
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std::tie(state, stats) = testee.produceRows(row);
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_FALSE(row.produced());
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}
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TEST_F(IdExecutorTest, there_are_rows_in_the_upstream) {
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auto input = VPackParser::fromJson("[ [true], [false], [true] ]");
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ConstFetcherHelper fetcher(itemBlockManager, input->buffer());
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IdExecutor<ConstFetcher> testee(fetcher, infos);
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NoStats stats{};
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// This block consumes all rows at once.
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std::tie(state, stats) = testee.produceRows(row);
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ASSERT_EQ(state, ExecutionState::DONE);
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std::tie(state, stats) = testee.produceRows(row);
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_FALSE(row.produced());
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// verify result
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AqlValue value;
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auto block = row.stealBlock();
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for (std::size_t index = 0; index < 3; index++) {
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value = block->getValue(index, 0);
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ASSERT_TRUE(value.isBoolean());
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ASSERT_EQ(value.toBoolean(), input->slice().at(index).at(0).getBool());
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}
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}
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} // namespace arangodb
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