content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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.
   */
  
  package com.aliyun.aliyun.transform.zen;
  
  import java.util.List;
  
  import com.aliyun.fastmodel.core.formatter.FastModelVisitor;
  import com.aliyun.fastmodel.core.tree.Comment;
  import com.aliyun.fastmodel.core.tree.Node;
  import com.aliyun.fastmodel.core.tree.QualifiedName;
  import com.aliyun.fastmodel.core.tree.datatype.DataTypeEnums;
  import com.aliyun.fastmodel.core.tree.expr.Identifier;
  import com.aliyun.fastmodel.core.tree.statement.table.ColumnDefinition;
  import com.aliyun.fastmodel.core.tree.statement.table.CreateTable;
  import com.aliyun.fastmodel.core.tree.util.DataTypeUtil;
  import com.aliyun.fastmodel.transform.api.dialect.DialectNode;
  import com.google.common.collect.ImmutableList;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  
  /**
   * ZenTransformerTest
   *
   * @author panguanjing
   * @date 2021/8/16
   */
  public class ZenTransformerTest {
  
      ZenTransformer zenTransformer;
  
      @Before
      public void setUp() throws Exception {
          zenTransformer = new ZenTransformer();
      }
  
      @Test
      public void reverse() {
          Node reverse = zenTransformer.reverse(new DialectNode("user_id\nuser_name"));
          assertNotNull(reverse);
          FastModelVisitor fastModelVisitor = new FastModelVisitor();
          fastModelVisitor.process(reverse);
          assertEquals(fastModelVisitor.getBuilder().toString(), "user_id STRING COMMENT 'user_id';\n"
              + "user_name STRING COMMENT 'user_name';");
      }
  
      @Test
      public void test_transform() {
          List<ColumnDefinition> columns = ImmutableList.of(
              ColumnDefinition.builder().colName(new Identifier("c1")).dataType(
                  DataTypeUtil.simpleType(DataTypeEnums.STRING)).comment(new Comment("comment")).build(),
              ColumnDefinition.builder().colName(new Identifier("c2")).dataType(
                  DataTypeUtil.simpleType(DataTypeEnums.BIGINT)).comment(new Comment("comment")).build()
          );
          CreateTable createTable = CreateTable.builder().tableName(QualifiedName.of("dim_shop")).columns(
              columns
          ).build();
          DialectNode transform = zenTransformer.transform(createTable);
          String node = transform.getNode();
          assertEquals(node, "c1 STRING 'comment'\n"
              + "c2 BIGINT 'comment'");
      }
  
      @Test
      public void test_transform_withoutComment() {
          List<ColumnDefinition> columns = ImmutableList.of(
              ColumnDefinition.builder().colName(new Identifier("c1")).dataType(
                  DataTypeUtil.simpleType(DataTypeEnums.STRING)).build(),
              ColumnDefinition.builder().colName(new Identifier("c2")).dataType(
                  DataTypeUtil.simpleType(DataTypeEnums.BIGINT)).build()
          );
          CreateTable createTable = CreateTable.builder().tableName(QualifiedName.of("dim_shop")).columns(
              columns
          ).build();
          DialectNode transform = zenTransformer.transform(createTable);
          String node = transform.getNode();
          assertEquals(node, "c1 STRING\n"
              + "c2 BIGINT");
      }
  }