mirror of https://gitee.com/bigwinds/arangodb
457 lines
18 KiB
C++
457 lines
18 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 Tobias Gödderz
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/// @author Michael Hackstein
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/// @author Heiko Kernbach
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/// @author Jan Christoph Uhde
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////////////////////////////////////////////////////////////////////////////////
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#include "AqlItemBlockHelper.h"
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#include "DependencyProxyMock.h"
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#include "gtest/gtest.h"
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#include "Aql/AllRowsFetcher.h"
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#include "Aql/AqlItemMatrix.h"
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#include "Aql/InputAqlItemRow.h"
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#include "FetcherTestHelper.h"
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#include <velocypack/Builder.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 {
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namespace tests {
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namespace aql {
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class AllRowsFetcherTest : public ::testing::Test {
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protected:
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ExecutionState state;
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AqlItemMatrix const* matrix = nullptr;
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VPackBuilder input;
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ResourceMonitor monitor;
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DependencyProxyMock<::arangodb::aql::BlockPassthrough::Disable> dependencyProxyMock{monitor, 1};
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AqlItemBlockManager itemBlockManager{&monitor, SerializationFormat::SHADOWROWS};
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};
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TEST_F(AllRowsFetcherTest, no_blocks_upstream_the_producer_does_not_wait) {
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dependencyProxyMock.shouldReturn(ExecutionState::DONE, nullptr);
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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ASSERT_TRUE(matrix->empty());
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ASSERT_EQ(matrix->size(), 0);
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 1);
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}
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TEST_F(AllRowsFetcherTest, no_blocks_upstream_the_producer_waits) {
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dependencyProxyMock.shouldReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::DONE, nullptr);
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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ASSERT_TRUE(matrix->empty());
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ASSERT_EQ(matrix->size(), 0);
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 2);
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}
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TEST_F(AllRowsFetcherTest, a_single_upstream_block_producer_returns_done_immediately) {
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SharedAqlItemBlockPtr block = buildBlock<1>(itemBlockManager, {{42}});
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dependencyProxyMock.shouldReturn(ExecutionState::DONE, std::move(block));
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(1, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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ASSERT_EQ(42, matrix->getRow(rowIndexes[0]).getValue(0).slice().getInt());
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 1);
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}
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TEST_F(AllRowsFetcherTest, a_single_upstream_block_producer_returns_hasmore_then_done) {
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SharedAqlItemBlockPtr block = buildBlock<1>(itemBlockManager, {{42}});
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dependencyProxyMock.shouldReturn(ExecutionState::HASMORE, std::move(block))
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.andThenReturn(ExecutionState::DONE, nullptr);
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(1, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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EXPECT_EQ(42, matrix->getRow(rowIndexes[0]).getValue(0).slice().getInt());
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 2);
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}
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TEST_F(AllRowsFetcherTest, a_single_upstream_block_producer_waits_then_returns_done) {
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SharedAqlItemBlockPtr block = buildBlock<1>(itemBlockManager, {{42}});
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dependencyProxyMock.shouldReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::DONE, std::move(block));
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(1, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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EXPECT_EQ(42, matrix->getRow(rowIndexes[0]).getValue(0).slice().getInt());
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 2);
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}
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TEST_F(AllRowsFetcherTest, a_single_upstream_block_producer_waits_returns_hasmore_then_done) {
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SharedAqlItemBlockPtr block = buildBlock<1>(itemBlockManager, {{42}});
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dependencyProxyMock.shouldReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::HASMORE, std::move(block))
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.andThenReturn(ExecutionState::DONE, nullptr);
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(1, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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EXPECT_EQ(42, matrix->getRow(rowIndexes[0]).getValue(0).slice().getInt());
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 3);
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}
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// TODO the following tests should be simplified, a simple output
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// specification should be compared with the actual output.
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TEST_F(AllRowsFetcherTest, multiple_blocks_upstream_producer_does_not_wait) {
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// three 1-column matrices with 3, 2 and 1 rows, respectively
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SharedAqlItemBlockPtr block1 = buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}}),
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block2 = buildBlock<1>(itemBlockManager, {{{4}}, {{5}}}),
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block3 = buildBlock<1>(itemBlockManager, {{{6}}});
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dependencyProxyMock.shouldReturn(ExecutionState::HASMORE, std::move(block1))
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.andThenReturn(ExecutionState::HASMORE, std::move(block2))
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.andThenReturn(ExecutionState::DONE, std::move(block3));
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{
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AllRowsFetcher testee(dependencyProxyMock);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(6, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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for (int64_t i = 0; i < 6; i++) {
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int64_t rowValue = i + 1;
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auto row = matrix->getRow(rowIndexes[i]);
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ASSERT_TRUE(row.isInitialized());
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EXPECT_EQ(rowValue, row.getValue(0).slice().getInt());
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}
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 3);
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}
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TEST_F(AllRowsFetcherTest, multiple_blocks_upstream_producer_waits) {
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// three 1-column matrices with 3, 2 and 1 rows, respectively
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SharedAqlItemBlockPtr block1 = buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}}),
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block2 = buildBlock<1>(itemBlockManager, {{{4}}, {{5}}}),
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block3 = buildBlock<1>(itemBlockManager, {{{6}}});
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dependencyProxyMock.shouldReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::HASMORE, std::move(block1))
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.andThenReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::HASMORE, std::move(block2))
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.andThenReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::DONE, std::move(block3));
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{
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AllRowsFetcher testee(dependencyProxyMock);
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// wait when fetching the 1st and 2nd block
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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// now get the matrix
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(6, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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for (int64_t i = 0; i < 6; i++) {
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int64_t rowValue = i + 1;
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auto row = matrix->getRow(rowIndexes[i]);
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EXPECT_EQ(rowValue, row.getValue(0).slice().getInt());
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}
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 6);
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}
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TEST_F(AllRowsFetcherTest, multiple_blocks_upstream_producer_waits_and_does_not_return_done) {
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// three 1-column matrices with 3, 2 and 1 rows, respectively
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SharedAqlItemBlockPtr block1 = buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}}),
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block2 = buildBlock<1>(itemBlockManager, {{{4}}, {{5}}}),
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block3 = buildBlock<1>(itemBlockManager, {{{6}}});
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dependencyProxyMock.shouldReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::HASMORE, std::move(block1))
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.andThenReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::HASMORE, std::move(block2))
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.andThenReturn(ExecutionState::WAITING, nullptr)
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.andThenReturn(ExecutionState::HASMORE, std::move(block3))
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.andThenReturn(ExecutionState::DONE, nullptr);
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{
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AllRowsFetcher testee(dependencyProxyMock);
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// wait when fetching the 1st and 2nd block
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::WAITING);
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ASSERT_EQ(matrix, nullptr);
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// now get the matrix
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std::tie(state, matrix) = testee.fetchAllRows();
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ASSERT_EQ(state, ExecutionState::DONE);
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ASSERT_NE(matrix, nullptr);
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EXPECT_EQ(1, matrix->getNrRegisters());
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EXPECT_FALSE(matrix->empty());
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EXPECT_EQ(6, matrix->size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(matrix->size(), rowIndexes.size());
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for (int64_t i = 0; i < 6; i++) {
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int64_t rowValue = i + 1;
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auto row = matrix->getRow(rowIndexes[i]);
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EXPECT_EQ(rowValue, row.getValue(0).slice().getInt());
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}
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AqlItemMatrix const* matrix2 = nullptr;
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std::tie(state, matrix2) = testee.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(matrix2, nullptr);
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} // testee is destroyed here
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// testee must be destroyed before verify, because it may call returnBlock
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// in the destructor
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ASSERT_TRUE(dependencyProxyMock.allBlocksFetched());
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ASSERT_EQ(dependencyProxyMock.numFetchBlockCalls(), 7);
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}
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class AllRowsFetcherFetchRows : public fetcherHelper::PatternTestWrapper<AllRowsFetcher> {
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public:
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AllRowsFetcherFetchRows()
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: fetcherHelper::PatternTestWrapper<AllRowsFetcher>() {}
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void PullAndAssertDataRows(std::vector<std::string> const& dataResults) override {
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AqlItemMatrix const* matrix = nullptr;
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ExecutionState state = ExecutionState::HASMORE;
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// Fetch all rows until done
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std::tie(state, matrix) = _fetcher.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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if (!dataResults.empty() || matrix != nullptr) {
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ASSERT_NE(matrix, nullptr);
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// Assert that all rows come out in order and only these
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EXPECT_EQ(matrix->size(), dataResults.size());
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auto rowIndexes = matrix->produceRowIndexes();
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ASSERT_EQ(rowIndexes.size(), dataResults.size());
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for (size_t i = 0; i < rowIndexes.size(); ++i) {
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auto row = matrix->getRow(rowIndexes[i]);
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ASSERT_TRUE(row.isInitialized());
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EXPECT_TRUE(row.getValue(0).slice().isEqualString(dataResults[i]));
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}
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}
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AqlItemMatrix const* nextMatrix;
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// Now assert that we will forever stay in the DONE state and do not move on.
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std::tie(state, nextMatrix) = _fetcher.fetchAllRows();
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EXPECT_EQ(state, ExecutionState::DONE);
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EXPECT_EQ(nextMatrix, nullptr);
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}
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};
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TEST_SHADOWROW_PATTERN_1(AllRowsFetcherFetchRows, AllRowsFetcherPattern1Test);
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TEST_SHADOWROW_PATTERN_2(AllRowsFetcherFetchRows, AllRowsFetcherPattern2Test);
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TEST_SHADOWROW_PATTERN_3(AllRowsFetcherFetchRows, AllRowsFetcherPattern3Test);
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TEST_SHADOWROW_PATTERN_4(AllRowsFetcherFetchRows, AllRowsFetcherPattern4Test);
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TEST_SHADOWROW_PATTERN_5(AllRowsFetcherFetchRows, AllRowsFetcherPattern5Test);
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TEST_SHADOWROW_PATTERN_6(AllRowsFetcherFetchRows, AllRowsFetcherPattern6Test);
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class AllRowsFetcherFetchSingleRow
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: public fetcherHelper::PatternTestWrapper<AllRowsFetcher> {
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public:
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AllRowsFetcherFetchSingleRow()
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: fetcherHelper::PatternTestWrapper<AllRowsFetcher>() {}
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void PullAndAssertDataRows(std::vector<std::string> const& dataResults) override {
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InputAqlItemRow row{CreateInvalidInputRowHint{}};
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ExecutionState state = ExecutionState::HASMORE;
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// Fetch all rows until done
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for (auto const& it : dataResults) {
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std::tie(state, row) = _fetcher.fetchRow();
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if (it != dataResults.back()) {
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EXPECT_EQ(state, ExecutionState::HASMORE);
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} else {
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EXPECT_EQ(state, ExecutionState::DONE);
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}
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ASSERT_TRUE(row.isInitialized());
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EXPECT_TRUE(row.getValue(0).slice().isEqualString(it));
|
|
}
|
|
// Now assert that we will forever stay in the DONE state and do not move on.
|
|
std::tie(state, row) = _fetcher.fetchRow();
|
|
EXPECT_EQ(state, ExecutionState::DONE);
|
|
ASSERT_FALSE(row.isInitialized());
|
|
}
|
|
};
|
|
|
|
TEST_SHADOWROW_PATTERN_1(AllRowsFetcherFetchSingleRow, AllRowsFetcherSingleRowPattern1Test);
|
|
TEST_SHADOWROW_PATTERN_2(AllRowsFetcherFetchSingleRow, AllRowsFetcherSingleRowPattern2Test);
|
|
TEST_SHADOWROW_PATTERN_3(AllRowsFetcherFetchSingleRow, AllRowsFetcherSingleRowPattern3Test);
|
|
TEST_SHADOWROW_PATTERN_4(AllRowsFetcherFetchSingleRow, AllRowsFetcherSingleRowPattern4Test);
|
|
TEST_SHADOWROW_PATTERN_5(AllRowsFetcherFetchSingleRow, AllRowsFetcherSingleRowPattern5Test);
|
|
TEST_SHADOWROW_PATTERN_6(AllRowsFetcherFetchSingleRow, AllRowsFetcherSingleRowPattern6Test);
|
|
|
|
} // namespace aql
|
|
} // namespace tests
|
|
} // namespace arangodb
|