text: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // 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
  // "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.
  
  #include "exec/broker_scan_node.h"
  
  #include <string>
  #include <map>
  #include <vector>
  
  #include <gtest/gtest.h>
  #include <time.h>
  #include "common/object_pool.h"
  #include "runtime/tuple.h"
  #include "exec/local_file_reader.h"
  #include "exprs/cast_functions.h"
  #include "runtime/descriptors.h"
  #include "runtime/exec_env.h"
  #include "runtime/runtime_state.h"
  #include "runtime/row_batch.h"
  #include "runtime/user_function_cache.h"
  #include "gen_cpp/Descriptors_types.h"
  #include "gen_cpp/PlanNodes_types.h"
  
  namespace doris {
  
  class JsonScannerTest : public testing::Test {
  public:
      JsonScannerTest() : _runtime_state(TQueryGlobals()) {
          init();
          _runtime_state._instance_mem_tracker.reset(new MemTracker());
          _runtime_state._exec_env = ExecEnv::GetInstance();
      }
      void init();
      static void SetUpTestCase() {
          UserFunctionCache::instance()->init("./be/test/runtime/test_data/user_function_cache/normal");
          CastFunctions::init();
      }
  
  protected:
      virtual void SetUp() {
      }
      virtual void TearDown() {
      }
  private:
      int create_src_tuple(TDescriptorTable& t_desc_table, int next_slot_id);
      int create_dst_tuple(TDescriptorTable& t_desc_table, int next_slot_id);
      void create_expr_info();
      void init_desc_table();
      RuntimeState _runtime_state;
      ObjectPool _obj_pool;
      std::map<std::string, SlotDescriptor*> _slots_map;
      TBrokerScanRangeParams _params;
      DescriptorTbl* _desc_tbl;
      TPlanNode _tnode;
  };
  
  #define TUPLE_ID_DST 0
  #define TUPLE_ID_SRC 1
  #define COLUMN_NUMBERS 4
  #define DST_TUPLE_SLOT_ID_START 1
  #define SRC_TUPLE_SLOT_ID_START 5
  int JsonScannerTest::create_src_tuple(TDescriptorTable& t_desc_table, int next_slot_id) {
      const char *columnNames[] = {"category","author","title","price"};
      for (int i = 0; i < COLUMN_NUMBERS; i++)
      {
          TSlotDescriptor slot_desc;
  
          slot_desc.id = next_slot_id++;
          slot_desc.parent = 1;
          TTypeDesc type;
          {
              TTypeNode node;
              node.__set_type(TTypeNodeType::SCALAR);
              TScalarType scalar_type;
              scalar_type.__set_type(TPrimitiveType::VARCHAR);
              scalar_type.__set_len(65535);
              node.__set_scalar_type(scalar_type);
              type.types.push_back(node);
          }
          slot_desc.slotType = type;
          slot_desc.columnPos = i;
          slot_desc.byteOffset = i*16+8;
          slot_desc.nullIndicatorByte = i/8;
          slot_desc.nullIndicatorBit = i%8;
          slot_desc.colName = columnNames[i];
          slot_desc.slotIdx = i + 1;
          slot_desc.isMaterialized = true;
  
          t_desc_table.slotDescriptors.push_back(slot_desc);
      }
  
      {
          // TTupleDescriptor source
          TTupleDescriptor t_tuple_desc;
          t_tuple_desc.id = TUPLE_ID_SRC;
          t_tuple_desc.byteSize = COLUMN_NUMBERS*16+8;
          t_tuple_desc.numNullBytes = 0;
          t_tuple_desc.tableId = 0;
          t_tuple_desc.__isset.tableId = true;
          t_desc_table.tupleDescriptors.push_back(t_tuple_desc);
      }
      return next_slot_id;
  }
  
  int JsonScannerTest::create_dst_tuple(TDescriptorTable& t_desc_table, int next_slot_id) {
      int32_t byteOffset = 8;
      {//category
          TSlotDescriptor slot_desc;
          slot_desc.id = next_slot_id++;
          slot_desc.parent = 0;
          TTypeDesc type;
          {
              TTypeNode node;
              node.__set_type(TTypeNodeType::SCALAR);
              TScalarType scalar_type;
              scalar_type.__set_type(TPrimitiveType::VARCHAR);
              scalar_type.__set_len(65535);
              node.__set_scalar_type(scalar_type);
              type.types.push_back(node);
          }
          slot_desc.slotType = type;
          slot_desc.columnPos = 0;
          slot_desc.byteOffset = byteOffset;
          slot_desc.nullIndicatorByte = 0;
          slot_desc.nullIndicatorBit = 0;
          slot_desc.colName = "category";
          slot_desc.slotIdx = 1;
          slot_desc.isMaterialized = true;
  
          t_desc_table.slotDescriptors.push_back(slot_desc);
      }
      byteOffset += 16;
      {// author
          TSlotDescriptor slot_desc;
  
          slot_desc.id = next_slot_id++;
          slot_desc.parent = 0;
          TTypeDesc type;
          {
              TTypeNode node;
              node.__set_type(TTypeNodeType::SCALAR);
              TScalarType scalar_type;
              scalar_type.__set_type(TPrimitiveType::VARCHAR);
              scalar_type.__set_len(65535);
              node.__set_scalar_type(scalar_type);
              type.types.push_back(node);
          }
          slot_desc.slotType = type;
          slot_desc.columnPos = 1;
          slot_desc.byteOffset = byteOffset;
          slot_desc.nullIndicatorByte = 0;
          slot_desc.nullIndicatorBit = 1;
          slot_desc.colName = "author";
          slot_desc.slotIdx = 2;
          slot_desc.isMaterialized = true;
  
          t_desc_table.slotDescriptors.push_back(slot_desc);
      }
      byteOffset += 16;
      {// title
          TSlotDescriptor slot_desc;
  
          slot_desc.id = next_slot_id++;
          slot_desc.parent = 0;
          TTypeDesc type;
          {
              TTypeNode node;
              node.__set_type(TTypeNodeType::SCALAR);
              TScalarType scalar_type;
              scalar_type.__set_type(TPrimitiveType::VARCHAR);
              scalar_type.__set_len(65535);
              node.__set_scalar_type(scalar_type);
              type.types.push_back(node);
          }
          slot_desc.slotType = type;
          slot_desc.columnPos = 2;
          slot_desc.byteOffset = byteOffset;
          slot_desc.nullIndicatorByte = 0;
          slot_desc.nullIndicatorBit = 2;
          slot_desc.colName = "title";
          slot_desc.slotIdx = 3;
          slot_desc.isMaterialized = true;
  
          t_desc_table.slotDescriptors.push_back(slot_desc);
      }
      byteOffset += 16;
      {// price
          TSlotDescriptor slot_desc;
  
          slot_desc.id = next_slot_id++;
          slot_desc.parent = 0;
          TTypeDesc type;
          {
              TTypeNode node;
              node.__set_type(TTypeNodeType::SCALAR);
              TScalarType scalar_type;
              scalar_type.__set_type(TPrimitiveType::DOUBLE);
              node.__set_scalar_type(scalar_type);
              type.types.push_back(node);
          }
          slot_desc.slotType = type;
          slot_desc.columnPos = 3;
          slot_desc.byteOffset = byteOffset;
          slot_desc.nullIndicatorByte = 0;
          slot_desc.nullIndicatorBit = 3;
          slot_desc.colName = "price";
          slot_desc.slotIdx = 4;
          slot_desc.isMaterialized = true;
  
          t_desc_table.slotDescriptors.push_back(slot_desc);
      }
      byteOffset += 8;
      t_desc_table.__isset.slotDescriptors = true;
      {
          // TTupleDescriptor dest
          TTupleDescriptor t_tuple_desc;
          t_tuple_desc.id = TUPLE_ID_DST;
          t_tuple_desc.byteSize = byteOffset+8;
          t_tuple_desc.numNullBytes = 0;
          t_tuple_desc.tableId = 0;
          t_tuple_desc.__isset.tableId = true;
          t_desc_table.tupleDescriptors.push_back(t_tuple_desc);
      }
      return next_slot_id;
  }
  
  void JsonScannerTest::init_desc_table() {
      TDescriptorTable t_desc_table;
  
      // table descriptors
      TTableDescriptor t_table_desc;
  
      t_table_desc.id = 0;
      t_table_desc.tableType = TTableType::BROKER_TABLE;
      t_table_desc.numCols = 0;
      t_table_desc.numClusteringCols = 0;
      t_desc_table.tableDescriptors.push_back(t_table_desc);
      t_desc_table.__isset.tableDescriptors = true;
  
      int next_slot_id = 1;
  
      next_slot_id = create_dst_tuple(t_desc_table, next_slot_id);
  
      next_slot_id = create_src_tuple(t_desc_table, next_slot_id);
  
      DescriptorTbl::create(&_obj_pool, t_desc_table, &_desc_tbl);
  
      _runtime_state.set_desc_tbl(_desc_tbl);
  }
  
  void JsonScannerTest::create_expr_info() {
      TTypeDesc varchar_type;
      {
          TTypeNode node;
          node.__set_type(TTypeNodeType::SCALAR);
          TScalarType scalar_type;
          scalar_type.__set_type(TPrimitiveType::VARCHAR);
          scalar_type.__set_len(5000);
          node.__set_scalar_type(scalar_type);
          varchar_type.types.push_back(node);
      }
      // category VARCHAR --> VARCHAR
      {
          TExprNode slot_ref;
          slot_ref.node_type = TExprNodeType::SLOT_REF;
          slot_ref.type = varchar_type;
          slot_ref.num_children = 0;
          slot_ref.__isset.slot_ref = true;
          slot_ref.slot_ref.slot_id = SRC_TUPLE_SLOT_ID_START; // category id in src tuple
          slot_ref.slot_ref.tuple_id = 1;
  
          TExpr expr;
          expr.nodes.push_back(slot_ref);
  
          _params.expr_of_dest_slot.emplace(DST_TUPLE_SLOT_ID_START, expr);
          _params.src_slot_ids.push_back(SRC_TUPLE_SLOT_ID_START);
      }
      // author VARCHAR --> VARCHAR
      {
          TExprNode slot_ref;
          slot_ref.node_type = TExprNodeType::SLOT_REF;
          slot_ref.type = varchar_type;
          slot_ref.num_children = 0;
          slot_ref.__isset.slot_ref = true;
          slot_ref.slot_ref.slot_id = SRC_TUPLE_SLOT_ID_START+1; // author id in src tuple
          slot_ref.slot_ref.tuple_id = 1;
  
          TExpr expr;
          expr.nodes.push_back(slot_ref);
  
          _params.expr_of_dest_slot.emplace(DST_TUPLE_SLOT_ID_START+1, expr);
          _params.src_slot_ids.push_back(SRC_TUPLE_SLOT_ID_START+1);
      }
      // title VARCHAR --> VARCHAR
      {
          TExprNode slot_ref;
          slot_ref.node_type = TExprNodeType::SLOT_REF;
          slot_ref.type = varchar_type;
          slot_ref.num_children = 0;
          slot_ref.__isset.slot_ref = true;
          slot_ref.slot_ref.slot_id = SRC_TUPLE_SLOT_ID_START+2; // log_time id in src tuple
          slot_ref.slot_ref.tuple_id = 1;
  
          TExpr expr;
          expr.nodes.push_back(slot_ref);
  
          _params.expr_of_dest_slot.emplace(DST_TUPLE_SLOT_ID_START+2, expr);
          _params.src_slot_ids.push_back(SRC_TUPLE_SLOT_ID_START+2);
      }
  
      // price VARCHAR --> DOUBLE
      {
          TTypeDesc int_type;
          {
              TTypeNode node;
              node.__set_type(TTypeNodeType::SCALAR);
              TScalarType scalar_type;
              scalar_type.__set_type(TPrimitiveType::BIGINT);
              node.__set_scalar_type(scalar_type);
              int_type.types.push_back(node);
          }
          TExprNode cast_expr;
          cast_expr.node_type = TExprNodeType::CAST_EXPR;
          cast_expr.type = int_type;
          cast_expr.__set_opcode(TExprOpcode::CAST);
          cast_expr.__set_num_children(1);
          cast_expr.__set_output_scale(-1);
          cast_expr.__isset.fn = true;
          cast_expr.fn.name.function_name = "casttodouble";
          cast_expr.fn.binary_type = TFunctionBinaryType::BUILTIN;
          cast_expr.fn.arg_types.push_back(varchar_type);
          cast_expr.fn.ret_type = int_type;
          cast_expr.fn.has_var_args = false;
          cast_expr.fn.__set_signature("casttodouble(VARCHAR(*))");
          cast_expr.fn.__isset.scalar_fn = true;
          cast_expr.fn.scalar_fn.symbol = "doris::CastFunctions::cast_to_double_val";
  
          TExprNode slot_ref;
          slot_ref.node_type = TExprNodeType::SLOT_REF;
          slot_ref.type = varchar_type;
          slot_ref.num_children = 0;
          slot_ref.__isset.slot_ref = true;
          slot_ref.slot_ref.slot_id = SRC_TUPLE_SLOT_ID_START + 3; // price id in src tuple
          slot_ref.slot_ref.tuple_id = 1;
  
          TExpr expr;
          expr.nodes.push_back(cast_expr);
          expr.nodes.push_back(slot_ref);
  
          _params.expr_of_dest_slot.emplace(DST_TUPLE_SLOT_ID_START + 3, expr);
          _params.src_slot_ids.push_back(SRC_TUPLE_SLOT_ID_START + 3);
      }
      // _params.__isset.expr_of_dest_slot = true;
      _params.__set_dest_tuple_id(TUPLE_ID_DST);
      _params.__set_src_tuple_id(TUPLE_ID_SRC);
  }
  
  void JsonScannerTest::init() {
  
      create_expr_info();
      init_desc_table();
  
      // Node Id
      _tnode.node_id = 0;
      _tnode.node_type = TPlanNodeType::SCHEMA_SCAN_NODE;
      _tnode.num_children = 0;
      _tnode.limit = -1;
      _tnode.row_tuples.push_back(0);
      _tnode.nullable_tuples.push_back(false);
      _tnode.broker_scan_node.tuple_id = 0;
      _tnode.__isset.broker_scan_node = true;
  }
  
  TEST_F(JsonScannerTest, normal_simple_arrayjson) {
      BrokerScanNode scan_node(&_obj_pool, _tnode, *_desc_tbl);
      auto status = scan_node.prepare(&_runtime_state);
      ASSERT_TRUE(status.ok());
  
      // set scan range
      std::vector<TScanRangeParams> scan_ranges;
      {
          TScanRangeParams scan_range_params;
  
          TBrokerScanRange broker_scan_range;
          broker_scan_range.params = _params;
          TBrokerRangeDesc range;
          range.start_offset = 0;
          range.size = -1;
          range.format_type = TFileFormatType::FORMAT_JSON;
          range.strip_outer_array = true;
          range.__isset.strip_outer_array = true;
          range.splittable = true;
          range.path = "./be/test/exec/test_data/json_scanner/test_simple2.json";
          range.file_type = TFileType::FILE_LOCAL;
          broker_scan_range.ranges.push_back(range);
          scan_range_params.scan_range.__set_broker_scan_range(broker_scan_range);
          scan_ranges.push_back(scan_range_params);
      }
  
      scan_node.set_scan_ranges(scan_ranges);
      status = scan_node.open(&_runtime_state);
      ASSERT_TRUE(status.ok());
  
      MemTracker tracker;
      // Get batch
      RowBatch batch(scan_node.row_desc(), _runtime_state.batch_size(), &tracker);
      bool eof = false;
      status = scan_node.get_next(&_runtime_state, &batch, &eof);
      ASSERT_TRUE(status.ok());
      ASSERT_EQ(2, batch.num_rows());
      ASSERT_FALSE(eof);
      batch.reset();
  
      status = scan_node.get_next(&_runtime_state, &batch, &eof);
      ASSERT_TRUE(status.ok());
      ASSERT_EQ(0, batch.num_rows());
      ASSERT_TRUE(eof);
  
      scan_node.close(&_runtime_state);
      {
          std::stringstream ss;
          scan_node.runtime_profile()->pretty_print(&ss);
          LOG(INFO) << ss.str();
      }
  }
  
  }
  
  int main(int argc, char** argv) {
      ::testing::InitGoogleTest(&argc, argv);
      doris::CpuInfo::init();
      return RUN_ALL_TESTS();
  }
  