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.fastmodel.compare.table;
  
  import java.util.List;
  
  import com.aliyun.fastmodel.compare.impl.table.ConstraintCompare;
  import com.aliyun.fastmodel.core.tree.BaseStatement;
  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.constants.TableDetailType;
  import com.aliyun.fastmodel.core.tree.statement.table.ColumnDefinition;
  import com.aliyun.fastmodel.core.tree.statement.table.CreateTable;
  import com.aliyun.fastmodel.core.tree.statement.table.constraint.UniqueConstraint;
  import com.aliyun.fastmodel.core.tree.util.DataTypeUtil;
  import com.aliyun.fastmodel.core.tree.util.IdentifierUtil;
  import com.google.common.collect.ImmutableList;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   * ConstraintCompareTest
   *
   * @author panguanjing
   * @date 2021/8/30
   */
  public class ConstraintCompareTest {
  
      ConstraintCompare constraintCompare = new ConstraintCompare();
  
      @Test
      public void compareTableElement() {
          CreateTable before = CreateTable.builder()
              .columns(
                  ImmutableList.of(
                      ColumnDefinition.builder()
                          .colName(new Identifier("a"))
                          .dataType(DataTypeUtil.simpleType(DataTypeEnums.STRING))
                          .build()
                  )
              )
              .constraints(
                  ImmutableList.of(
                      new UniqueConstraint(IdentifierUtil.sysIdentifier(), ImmutableList.of(new Identifier("a")), true)
                  )
              )
              .detailType(TableDetailType.NORMAL_DIM)
              .tableName(QualifiedName.of("dim_shop"))
              .build();
  
          CreateTable after = CreateTable.builder()
              .columns(
                  ImmutableList.of(
                      ColumnDefinition.builder()
                          .colName(new Identifier("a"))
                          .dataType(DataTypeUtil.simpleType(DataTypeEnums.STRING))
                          .build()
                  )
              )
              .constraints(
                  ImmutableList.of(
                      new UniqueConstraint(IdentifierUtil.sysIdentifier(), ImmutableList.of(new Identifier("a")), true)
                  )
              )
              .detailType(TableDetailType.NORMAL_DIM)
              .tableName(QualifiedName.of("dim_shop"))
              .build();
          List<BaseStatement> baseStatementList = constraintCompare.compareTableElement(before, after);
          assertEquals(0, baseStatementList.size());
      }
  }