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    *
    *    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
    *
    *       https://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
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  package issues.gh100;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mybatis.dynamic.sql.SqlBuilder.count;
  import static org.mybatis.dynamic.sql.SqlBuilder.select;
  
  import org.junit.jupiter.api.Test;
  import org.mybatis.dynamic.sql.render.RenderingStrategies;
  import org.mybatis.dynamic.sql.select.QueryExpressionDSL;
  import org.mybatis.dynamic.sql.select.SelectDSL;
  import org.mybatis.dynamic.sql.select.SelectModel;
  import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
  
  class FromGroupByTest {
  
      @Test
      void testFromGroupByB1() {
          QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                  .from(StudentDynamicSqlSupport.student);
  
          builder1.groupBy(StudentDynamicSqlSupport.name);
  
          String expected = "select name, count(*)"
                  + " from student"
                  + " group by name";
  
          SelectStatementProvider selectStatement = builder1.build().render(RenderingStrategies.MYBATIS3);
  
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
  
      @Test
      void testFromGroupByB2() {
          QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                  .from(StudentDynamicSqlSupport.student);
  
          QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
  
          String expected = "select name, count(*)"
                  + " from student"
                  + " group by name";
  
          SelectStatementProvider selectStatement = builder2.build().render(RenderingStrategies.MYBATIS3);
  
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
  
      @Test
      void testFromGroupByLimitB1() {
          QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                  .from(StudentDynamicSqlSupport.student);
  
          QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
  
          builder2.limit(3);
  
          String expected = "select name, count(*)"
                  + " from student"
                  + " group by name"
                  + " limit #{parameters.p1}";
  
          SelectStatementProvider selectStatement = builder1.build().render(RenderingStrategies.MYBATIS3);
  
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
  
      @Test
      void testFromGroupByLimitB2() {
          QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                  .from(StudentDynamicSqlSupport.student);
  
          QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
  
          builder2.limit(3);
  
          String expected = "select name, count(*)"
                  + " from student"
                  + " group by name"
                  + " limit #{parameters.p1}";
  
          SelectStatementProvider selectStatement = builder2.build().render(RenderingStrategies.MYBATIS3);
  
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
 
     @Test
     void testFromGroupByLimitB3() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         var builder3 = builder2.limit(3);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " limit #{parameters.p1}";
 
         SelectStatementProvider selectStatement = builder3.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOffsetB1() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         builder2.offset(3);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder1.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOffsetB2() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         builder2.offset(3);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder2.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOffsetB3() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         var builder3 = builder2.offset(3);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder3.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByFetchFirstB1() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         builder2.fetchFirst(2).rowsOnly();
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " fetch first #{parameters.p1} rows only";
 
         SelectStatementProvider selectStatement = builder1.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByFetchFirstB2() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         builder2.fetchFirst(2).rowsOnly();
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " fetch first #{parameters.p1} rows only";
 
         SelectStatementProvider selectStatement = builder2.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByFetchFirstB3() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         var builder3 = builder2.fetchFirst(2).rowsOnly();
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " fetch first #{parameters.p1} rows only";
 
         SelectStatementProvider selectStatement = builder3.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByB1() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         builder2.orderBy(StudentDynamicSqlSupport.name);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name";
 
         SelectStatementProvider selectStatement = builder1.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByB2() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         builder2.orderBy(StudentDynamicSqlSupport.name);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name";
 
         SelectStatementProvider selectStatement = builder2.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByB3() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         SelectDSL<SelectModel> builder3 = builder2.orderBy(StudentDynamicSqlSupport.name);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name";
 
         SelectStatementProvider selectStatement = builder3.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByOffsetB1() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         SelectDSL<SelectModel> builder3 = builder2.orderBy(StudentDynamicSqlSupport.name);
 
         builder3.offset(2);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder1.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByOffsetB2() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         SelectDSL<SelectModel> builder3 = builder2.orderBy(StudentDynamicSqlSupport.name);
 
         builder3.offset(2);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder2.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByOffsetB3() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         SelectDSL<SelectModel> builder3 = builder2.orderBy(StudentDynamicSqlSupport.name);
 
         builder3.offset(2);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder3.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testFromGroupByOrderByOffsetB4() {
         QueryExpressionDSL<SelectModel> builder1 = select(StudentDynamicSqlSupport.name, count())
                 .from(StudentDynamicSqlSupport.student);
 
         QueryExpressionDSL<SelectModel>.GroupByFinisher builder2 = builder1.groupBy(StudentDynamicSqlSupport.name);
 
         SelectDSL<SelectModel> builder3 = builder2.orderBy(StudentDynamicSqlSupport.name);
 
         var builder4 = builder3.offset(2);
 
         String expected = "select name, count(*)"
                 + " from student"
                 + " group by name"
                 + " order by name"
                 + " offset #{parameters.p1} rows";
 
         SelectStatementProvider selectStatement = builder4.build().render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 }