content: /*
   * 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.
   */
  package org.apache.arrow.gandiva.expression;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import org.apache.arrow.gandiva.exceptions.GandivaException;
  import org.apache.arrow.gandiva.ipc.GandivaTypes;
  import org.apache.arrow.vector.types.FloatingPointPrecision;
  import org.apache.arrow.vector.types.pojo.ArrowType;
  import org.apache.arrow.vector.types.pojo.Field;
  import org.junit.jupiter.api.Test;
  
  public class TreeBuilderTest {
  
    @Test
    public void testMakeLiteral() throws GandivaException {
      TreeNode n = TreeBuilder.makeLiteral(Boolean.TRUE);
      GandivaTypes.TreeNode node = n.toProtobuf();
  
      assertEquals(true, node.getBooleanNode().getValue());
  
      n = TreeBuilder.makeLiteral(new Integer(10));
      node = n.toProtobuf();
      assertEquals(10, node.getIntNode().getValue());
  
      n = TreeBuilder.makeLiteral(new Long(50));
      node = n.toProtobuf();
      assertEquals(50, node.getLongNode().getValue());
  
      Float f = new Float(2.5);
      n = TreeBuilder.makeLiteral(f);
      node = n.toProtobuf();
      assertEquals(f.floatValue(), node.getFloatNode().getValue(), 0.1);
  
      Double d = new Double(3.3);
      n = TreeBuilder.makeLiteral(d);
      node = n.toProtobuf();
      assertEquals(d.doubleValue(), node.getDoubleNode().getValue(), 0.1);
  
      String s = new String("hello");
      n = TreeBuilder.makeStringLiteral(s);
      node = n.toProtobuf();
      assertArrayEquals(s.getBytes(), node.getStringNode().getValue().toByteArray());
  
      byte[] b = new String("hello").getBytes();
      n = TreeBuilder.makeBinaryLiteral(b);
      node = n.toProtobuf();
      assertArrayEquals(b, node.getBinaryNode().getValue().toByteArray());
    }
  
    @Test
    public void testMakeNull() throws GandivaException {
      TreeNode n = TreeBuilder.makeNull(new ArrowType.Bool());
      GandivaTypes.TreeNode node = n.toProtobuf();
      assertEquals(
          GandivaTypes.GandivaType.BOOL_VALUE, node.getNullNode().getType().getType().getNumber());
  
      n = TreeBuilder.makeNull(new ArrowType.Int(32, true));
      node = n.toProtobuf();
      assertEquals(
          GandivaTypes.GandivaType.INT32_VALUE, node.getNullNode().getType().getType().getNumber());
  
      n = TreeBuilder.makeNull(new ArrowType.Int(64, false));
      node = n.toProtobuf();
      assertEquals(
          GandivaTypes.GandivaType.UINT64_VALUE, node.getNullNode().getType().getType().getNumber());
  
      n = TreeBuilder.makeNull(new ArrowType.FloatingPoint(FloatingPointPrecision.SINGLE));
      node = n.toProtobuf();
      assertEquals(
          GandivaTypes.GandivaType.FLOAT_VALUE, node.getNullNode().getType().getType().getNumber());
    }
  
    @Test
    public void testMakeField() throws GandivaException {
      TreeNode n = TreeBuilder.makeField(Field.nullable("a", new ArrowType.Int(32, true)));
      GandivaTypes.TreeNode node = n.toProtobuf();
  
      assertEquals("a", node.getFieldNode().getField().getName());
      assertEquals(
          GandivaTypes.GandivaType.INT32_VALUE,
          node.getFieldNode().getField().getType().getType().getNumber());
    }
  
    @Test
    public void testMakeFunction() throws GandivaException {
      TreeNode a = TreeBuilder.makeField(Field.nullable("a", new ArrowType.Int(64, false)));
      TreeNode b = TreeBuilder.makeField(Field.nullable("b", new ArrowType.Int(64, false)));
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(a);
      args.add(b);
  
      TreeNode addNode = TreeBuilder.makeFunction("add", args, new ArrowType.Int(64, false));
      GandivaTypes.TreeNode node = addNode.toProtobuf();
  
      assertTrue(node.hasFnNode());
      assertEquals("add", node.getFnNode().getFunctionName());
      assertEquals("a", node.getFnNode().getInArgsList().get(0).getFieldNode().getField().getName());
      assertEquals("b", node.getFnNode().getInArgsList().get(1).getFieldNode().getField().getName());
      assertEquals(
          GandivaTypes.GandivaType.UINT64_VALUE,
          node.getFnNode().getReturnType().getType().getNumber());
    }
  
    @Test
    public void testMakeIf() throws GandivaException {
      Field a = Field.nullable("a", new ArrowType.Int(64, false));
      Field b = Field.nullable("b", new ArrowType.Int(64, false));
      TreeNode aNode = TreeBuilder.makeField(a);
      TreeNode bNode = TreeBuilder.makeField(b);
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(aNode);
      args.add(bNode);
  
      ArrowType retType = new ArrowType.Bool();
      TreeNode cond = TreeBuilder.makeFunction("greater_than", args, retType);
      TreeNode ifNode = TreeBuilder.makeIf(cond, aNode, bNode, retType);
  
      GandivaTypes.TreeNode node = ifNode.toProtobuf();
  
      assertTrue(node.hasIfNode());
      assertEquals("greater_than", node.getIfNode().getCond().getFnNode().getFunctionName());
      assertEquals(a.getName(), node.getIfNode().getThenNode().getFieldNode().getField().getName());
      assertEquals(b.getName(), node.getIfNode().getElseNode().getFieldNode().getField().getName());
      assertEquals(
          GandivaTypes.GandivaType.BOOL_VALUE,
          node.getIfNode().getReturnType().getType().getNumber());
    }
  
    @Test
    public void testMakeAnd() throws GandivaException {
      TreeNode a = TreeBuilder.makeField(Field.nullable("a", new ArrowType.Bool()));
      TreeNode b = TreeBuilder.makeField(Field.nullable("b", new ArrowType.Bool()));
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(a);
      args.add(b);
  
      TreeNode andNode = TreeBuilder.makeAnd(args);
      GandivaTypes.TreeNode node = andNode.toProtobuf();
  
      assertTrue(node.hasAndNode());
      assertEquals(2, node.getAndNode().getArgsList().size());
      assertEquals("a", node.getAndNode().getArgsList().get(0).getFieldNode().getField().getName());
      assertEquals("b", node.getAndNode().getArgsList().get(1).getFieldNode().getField().getName());
    }
  
    @Test
    public void testMakeOr() throws GandivaException {
      TreeNode a = TreeBuilder.makeField(Field.nullable("a", new ArrowType.Bool()));
      TreeNode b = TreeBuilder.makeField(Field.nullable("b", new ArrowType.Bool()));
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(a);
      args.add(b);
  
      TreeNode orNode = TreeBuilder.makeOr(args);
      GandivaTypes.TreeNode node = orNode.toProtobuf();
  
      assertTrue(node.hasOrNode());
      assertEquals(2, node.getOrNode().getArgsList().size());
      assertEquals("a", node.getOrNode().getArgsList().get(0).getFieldNode().getField().getName());
      assertEquals("b", node.getOrNode().getArgsList().get(1).getFieldNode().getField().getName());
    }
  
    @Test
    public void testExpression() throws GandivaException {
      Field a = Field.nullable("a", new ArrowType.Int(64, false));
      Field b = Field.nullable("b", new ArrowType.Int(64, false));
      TreeNode aNode = TreeBuilder.makeField(a);
      TreeNode bNode = TreeBuilder.makeField(b);
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(aNode);
      args.add(bNode);
  
      ArrowType retType = new ArrowType.Bool();
      TreeNode cond = TreeBuilder.makeFunction("greater_than", args, retType);
      TreeNode ifNode = TreeBuilder.makeIf(cond, aNode, bNode, retType);
  
      ExpressionTree expr = TreeBuilder.makeExpression(ifNode, Field.nullable("c", retType));
  
      GandivaTypes.ExpressionRoot root = expr.toProtobuf();
  
      assertTrue(root.getRoot().hasIfNode());
      assertEquals(
          "greater_than", root.getRoot().getIfNode().getCond().getFnNode().getFunctionName());
      assertEquals("c", root.getResultType().getName());
      assertEquals(
          GandivaTypes.GandivaType.BOOL_VALUE, root.getResultType().getType().getType().getNumber());
    }
  
    @Test
    public void testExpression2() throws GandivaException {
      Field a = Field.nullable("a", new ArrowType.Int(64, false));
      Field b = Field.nullable("b", new ArrowType.Int(64, false));
      List<Field> args = new ArrayList<Field>(2);
      args.add(a);
      args.add(b);
  
      Field c = Field.nullable("c", new ArrowType.Int(64, false));
      ExpressionTree expr = TreeBuilder.makeExpression("add", args, c);
      GandivaTypes.ExpressionRoot root = expr.toProtobuf();
  
      GandivaTypes.TreeNode node = root.getRoot();
  
      assertEquals("c", root.getResultType().getName());
      assertTrue(node.hasFnNode());
      assertEquals("add", node.getFnNode().getFunctionName());
      assertEquals("a", node.getFnNode().getInArgsList().get(0).getFieldNode().getField().getName());
      assertEquals("b", node.getFnNode().getInArgsList().get(1).getFieldNode().getField().getName());
      assertEquals(
          GandivaTypes.GandivaType.UINT64_VALUE,
          node.getFnNode().getReturnType().getType().getNumber());
    }
  
    @Test
    public void testExpressionWithAnd() throws GandivaException {
      TreeNode a = TreeBuilder.makeField(Field.nullable("a", new ArrowType.Bool()));
      TreeNode b = TreeBuilder.makeField(Field.nullable("b", new ArrowType.Bool()));
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(a);
      args.add(b);
  
      TreeNode andNode = TreeBuilder.makeAnd(args);
      ExpressionTree expr =
          TreeBuilder.makeExpression(andNode, Field.nullable("c", new ArrowType.Bool()));
      GandivaTypes.ExpressionRoot root = expr.toProtobuf();
  
      assertTrue(root.getRoot().hasAndNode());
      assertEquals(
          "a", root.getRoot().getAndNode().getArgsList().get(0).getFieldNode().getField().getName());
      assertEquals(
          "b", root.getRoot().getAndNode().getArgsList().get(1).getFieldNode().getField().getName());
      assertEquals("c", root.getResultType().getName());
      assertEquals(
          GandivaTypes.GandivaType.BOOL_VALUE, root.getResultType().getType().getType().getNumber());
    }
  
    @Test
    public void testExpressionWithOr() throws GandivaException {
      TreeNode a = TreeBuilder.makeField(Field.nullable("a", new ArrowType.Bool()));
      TreeNode b = TreeBuilder.makeField(Field.nullable("b", new ArrowType.Bool()));
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(a);
      args.add(b);
  
      TreeNode orNode = TreeBuilder.makeOr(args);
      ExpressionTree expr =
          TreeBuilder.makeExpression(orNode, Field.nullable("c", new ArrowType.Bool()));
      GandivaTypes.ExpressionRoot root = expr.toProtobuf();
  
      assertTrue(root.getRoot().hasOrNode());
      assertEquals(
          "a", root.getRoot().getOrNode().getArgsList().get(0).getFieldNode().getField().getName());
      assertEquals(
          "b", root.getRoot().getOrNode().getArgsList().get(1).getFieldNode().getField().getName());
      assertEquals("c", root.getResultType().getName());
      assertEquals(
          GandivaTypes.GandivaType.BOOL_VALUE, root.getResultType().getType().getType().getNumber());
    }
  
    @Test
    public void testCondition() throws GandivaException {
      Field a = Field.nullable("a", new ArrowType.Int(64, false));
      Field b = Field.nullable("b", new ArrowType.Int(64, false));
  
      TreeNode aNode = TreeBuilder.makeField(a);
      TreeNode bNode = TreeBuilder.makeField(b);
      List<TreeNode> args = new ArrayList<TreeNode>(2);
      args.add(aNode);
      args.add(bNode);
  
      TreeNode root = TreeBuilder.makeFunction("greater_than", args, new ArrowType.Bool());
      Condition condition = TreeBuilder.makeCondition(root);
  
      GandivaTypes.Condition conditionProto = condition.toProtobuf();
      assertTrue(conditionProto.getRoot().hasFnNode());
      assertEquals("greater_than", conditionProto.getRoot().getFnNode().getFunctionName());
      assertEquals(
          "a",
          conditionProto
              .getRoot()
              .getFnNode()
              .getInArgsList()
              .get(0)
              .getFieldNode()
              .getField()
              .getName());
      assertEquals(
          "b",
          conditionProto
              .getRoot()
              .getFnNode()
              .getInArgsList()
              .get(1)
              .getFieldNode()
              .getField()
              .getName());
    }
  
    @Test
    public void testCondition2() throws GandivaException {
      Field a = Field.nullable("a", new ArrowType.Int(64, false));
      Field b = Field.nullable("b", new ArrowType.Int(64, false));
  
      Condition condition = TreeBuilder.makeCondition("greater_than", Arrays.asList(a, b));
  
      GandivaTypes.Condition conditionProto = condition.toProtobuf();
      assertTrue(conditionProto.getRoot().hasFnNode());
      assertEquals("greater_than", conditionProto.getRoot().getFnNode().getFunctionName());
      assertEquals(
          "a",
          conditionProto
              .getRoot()
              .getFnNode()
              .getInArgsList()
              .get(0)
              .getFieldNode()
              .getField()
              .getName());
      assertEquals(
          "b",
          conditionProto
              .getRoot()
              .getFnNode()
              .getInArgsList()
              .get(1)
              .getFieldNode()
              .getField()
              .getName());
    }
  }
  