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arangodb/tests/Aql/AqlItemBlockInputRangeTest.cpp

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C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2018 ArangoDB GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Michael Hackstein
////////////////////////////////////////////////////////////////////////////////
#include "Aql/AqlItemBlockInputRange.h"
#include "gtest/gtest.h"
#include "Aql/AqlItemBlockManager.h"
#include "Aql/InputAqlItemRow.h"
#include "Aql/ShadowAqlItemRow.h"
#include "AqlItemBlockHelper.h"
#include "Basics/VelocyPackHelper.h"
#include <velocypack/Builder.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
using namespace arangodb;
using namespace arangodb::aql;
using namespace arangodb::basics;
namespace arangodb {
namespace tests {
namespace aql {
// Test empty constructor
class InputRangeTest : public ::testing::TestWithParam<ExecutorState> {
protected:
ResourceMonitor monitor;
AqlItemBlockManager itemBlockManager{&monitor, SerializationFormat::SHADOWROWS};
AqlItemBlockInputRange createEmpty() {
return AqlItemBlockInputRange{GetParam()};
}
AqlItemBlockInputRange createFromBlock(arangodb::aql::SharedAqlItemBlockPtr& block) {
auto const [start, end] = block->getRelevantRange();
return AqlItemBlockInputRange(GetParam(), block, start, end);
}
void validateEndReached(AqlItemBlockInputRange& testee) {
EXPECT_EQ(GetParam(), testee.state());
// Test Data rows
EXPECT_FALSE(testee.hasMore());
{
auto const [state, row] = testee.peek();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
{
auto const [state, row] = testee.next();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
// Test Shadow Rows
EXPECT_FALSE(testee.hasShadowRow());
{
auto const [state, row] = testee.peekShadowRow();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
{
auto const [state, row] = testee.nextShadowRow();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
}
void validateNextIsDataRow(AqlItemBlockInputRange& testee,
ExecutorState expectedState, int64_t value) {
EXPECT_TRUE(testee.hasMore());
EXPECT_FALSE(testee.hasShadowRow());
// We have the next row
EXPECT_EQ(testee.state(), ExecutorState::HASMORE);
auto rowIndexBefore = testee.getRowIndex();
// Validate that shadowRowAPI does not move on
{
auto [state, row] = testee.peekShadowRow();
EXPECT_EQ(state, ExecutorState::DONE);
EXPECT_FALSE(row.isInitialized());
ASSERT_EQ(rowIndexBefore, testee.getRowIndex())
<< "Skipped a non processed row.";
}
{
auto [state, row] = testee.nextShadowRow();
EXPECT_EQ(state, ExecutorState::DONE);
EXPECT_FALSE(row.isInitialized());
ASSERT_EQ(rowIndexBefore, testee.getRowIndex())
<< "Skipped a non processed row.";
}
// Validate Data Row API
{
auto [state, row] = testee.peek();
EXPECT_EQ(state, expectedState);
EXPECT_TRUE(row.isInitialized());
auto val = row.getValue(0);
ASSERT_TRUE(val.isNumber());
EXPECT_EQ(val.toInt64(), value);
ASSERT_EQ(rowIndexBefore, testee.getRowIndex())
<< "Skipped a non processed row.";
}
{
auto [state, row] = testee.next();
EXPECT_EQ(state, expectedState);
EXPECT_TRUE(row.isInitialized());
auto val = row.getValue(0);
ASSERT_TRUE(val.isNumber());
EXPECT_EQ(val.toInt64(), value);
ASSERT_NE(rowIndexBefore, testee.getRowIndex())
<< "Did not go to next row.";
}
EXPECT_EQ(expectedState, testee.state());
}
void validateNextIsShadowRow(AqlItemBlockInputRange& testee, ExecutorState expectedState,
int64_t value, uint64_t depth) {
EXPECT_TRUE(testee.hasShadowRow());
// The next is a ShadowRow, the state shall be done
EXPECT_EQ(testee.state(), ExecutorState::DONE);
auto rowIndexBefore = testee.getRowIndex();
// Validate that inputRowAPI does not move on
{
auto [state, row] = testee.peek();
EXPECT_EQ(state, ExecutorState::DONE);
EXPECT_FALSE(row.isInitialized());
ASSERT_EQ(rowIndexBefore, testee.getRowIndex())
<< "Skipped a non processed row.";
}
{
auto [state, row] = testee.next();
EXPECT_EQ(state, ExecutorState::DONE);
EXPECT_FALSE(row.isInitialized());
ASSERT_EQ(rowIndexBefore, testee.getRowIndex())
<< "Skipped a non processed row.";
}
// Validate ShadowRow API
{
auto [state, row] = testee.peekShadowRow();
EXPECT_EQ(state, expectedState);
EXPECT_TRUE(row.isInitialized());
auto val = row.getValue(0);
ASSERT_TRUE(val.isNumber());
EXPECT_EQ(val.toInt64(), value);
EXPECT_EQ(row.getDepth(), depth);
ASSERT_EQ(rowIndexBefore, testee.getRowIndex())
<< "Skipped a non processed row.";
}
{
auto [state, row] = testee.nextShadowRow();
EXPECT_EQ(state, expectedState);
EXPECT_TRUE(row.isInitialized());
auto val = row.getValue(0);
ASSERT_TRUE(val.isNumber());
EXPECT_EQ(val.toInt64(), value);
EXPECT_EQ(row.getDepth(), depth);
ASSERT_NE(rowIndexBefore, testee.getRowIndex())
<< "Did not go to next row.";
}
}
};
TEST_P(InputRangeTest, empty_returns_given_state) {
auto testee = createEmpty();
EXPECT_EQ(GetParam(), testee.state());
}
TEST_P(InputRangeTest, empty_does_not_have_more) {
auto testee = createEmpty();
EXPECT_FALSE(testee.hasMore());
}
TEST_P(InputRangeTest, empty_peek_is_empty) {
auto testee = createEmpty();
auto const [state, row] = testee.peek();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
TEST_P(InputRangeTest, empty_next_is_empty) {
auto testee = createEmpty();
auto const [state, row] = testee.next();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
TEST_P(InputRangeTest, empty_does_not_have_more_shadow_rows) {
auto testee = createEmpty();
EXPECT_FALSE(testee.hasShadowRow());
}
TEST_P(InputRangeTest, empty_peek_shadow_is_empty) {
auto testee = createEmpty();
auto const [state, row] = testee.peekShadowRow();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
TEST_P(InputRangeTest, empty_next_shadow_is_empty) {
auto testee = createEmpty();
auto const [state, row] = testee.nextShadowRow();
EXPECT_EQ(GetParam(), state);
EXPECT_FALSE(row.isInitialized());
}
TEST_P(InputRangeTest, no_shadow_rows_in_block) {
SharedAqlItemBlockPtr inputBlock =
buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}, {{4}}}, {});
auto testee = createFromBlock(inputBlock);
// We have 3 internal rows
validateNextIsDataRow(testee, ExecutorState::HASMORE, 1);
validateNextIsDataRow(testee, ExecutorState::HASMORE, 2);
validateNextIsDataRow(testee, ExecutorState::HASMORE, 3);
// Last Row needs to return upstream State
validateNextIsDataRow(testee, GetParam(), 4);
validateEndReached(testee);
}
TEST_P(InputRangeTest, level_0_shadow_rows_in_block) {
SharedAqlItemBlockPtr inputBlock =
buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}, {{4}}}, {{1, 0}, {3, 0}});
auto testee = createFromBlock(inputBlock);
validateNextIsDataRow(testee, ExecutorState::DONE, 1);
validateNextIsShadowRow(testee, ExecutorState::DONE, 2, 0);
validateNextIsDataRow(testee, ExecutorState::DONE, 3);
// Last Row needs to return upstream State
validateNextIsShadowRow(testee, GetParam(), 4, 0);
validateEndReached(testee);
}
TEST_P(InputRangeTest, multi_level_shadow_rows_in_block) {
SharedAqlItemBlockPtr inputBlock =
buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}, {{4}}, {{5}}, {{6}}, {{7}}},
{{3, 0}, {4, 1}, {5, 2}});
auto testee = createFromBlock(inputBlock);
validateNextIsDataRow(testee, ExecutorState::HASMORE, 1);
validateNextIsDataRow(testee, ExecutorState::HASMORE, 2);
validateNextIsDataRow(testee, ExecutorState::DONE, 3);
validateNextIsShadowRow(testee, ExecutorState::HASMORE, 4, 0);
validateNextIsShadowRow(testee, ExecutorState::HASMORE, 5, 1);
validateNextIsShadowRow(testee, ExecutorState::DONE, 6, 2);
// Last Row needs to return upstream State
validateNextIsDataRow(testee, GetParam(), 7);
validateEndReached(testee);
}
TEST_P(InputRangeTest, multi_shadow_rows_batches_in_block) {
SharedAqlItemBlockPtr inputBlock =
buildBlock<1>(itemBlockManager, {{{1}}, {{2}}, {{3}}, {{4}}, {{5}}, {{6}}, {{7}}},
{{3, 0}, {4, 1}, {5, 0}, {6, 1}});
auto testee = createFromBlock(inputBlock);
validateNextIsDataRow(testee, ExecutorState::HASMORE, 1);
validateNextIsDataRow(testee, ExecutorState::HASMORE, 2);
validateNextIsDataRow(testee, ExecutorState::DONE, 3);
validateNextIsShadowRow(testee, ExecutorState::HASMORE, 4, 0);
validateNextIsShadowRow(testee, ExecutorState::DONE, 5, 1);
validateNextIsShadowRow(testee, ExecutorState::HASMORE, 6, 0);
// Last Row needs to return upstream State
validateNextIsShadowRow(testee, GetParam(), 7, 1);
validateEndReached(testee);
}
INSTANTIATE_TEST_CASE_P(AqlItemBlockInputRangeTest, InputRangeTest,
::testing::Values(ExecutorState::DONE, ExecutorState::HASMORE));
} // namespace aql
} // namespace tests
} // namespace arangodb