package xuml.tools.model.compiler.runtime.query;
   
   import static org.junit.Assert.assertEquals;
   import static xuml.tools.model.compiler.runtime.query.SelectBuilder.builder;
   
   import java.io.Serializable;
   
   import org.junit.Test;
   
  import scala.concurrent.duration.Duration;
  import xuml.tools.model.compiler.runtime.Entity;
  import xuml.tools.model.compiler.runtime.EntityHelper;
  import xuml.tools.model.compiler.runtime.Event;
  
  public class SelectBuilderTest {
  
      private final NumericExpressionField<Ent> f = new NumericExpressionField<Ent>(
              new Field("field"));
  
      private final StringExpressionField<Ent> g = new StringExpressionField<Ent>(new Field("field"));
  
      @Test
      public void testClauseGenerationEquals() {
          assertEquals("(e.field = :_p1)", builder(f.eq(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationLessThan() {
          assertEquals("(e.field < :_p1)", builder(f.lt(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationLessThanOrEquals() {
          assertEquals("(e.field <= :_p1)", builder(f.lte(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationGreaterThan() {
          assertEquals("(e.field > :_p1)", builder(f.gt(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationGreaterThanOrEquals() {
          assertEquals("(e.field >= :_p1)", builder(f.gte(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationAnd() {
          assertEquals("((e.field > :_p1) and (e.field < :_p2))",
                  builder(f.gt(1).and(f.lt(3))).getClause());
      }
  
      @Test
      public void testClauseGenerationOr() {
          assertEquals("((e.field > :_p1) or (e.field < :_p2))",
                  builder(f.gt(1).or(f.lt(3))).getClause());
      }
  
      @Test
      public void testClauseGenerationPlus() {
          assertEquals("((e.field + e.field) <= :_p1)", builder(f.plus(f).lte(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationMinus() {
          assertEquals("((e.field - e.field) <= :_p1)", builder(f.minus(f).lte(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationTimes() {
          assertEquals("((e.field * e.field) <= :_p1)", builder(f.times(f).lte(3)).getClause());
      }
  
      @Test
      public void testClauseGenerationDivide() {
          assertEquals("((e.field / e.field) <= :_p1)", builder(f.divide(f).lte(3)).getClause());
      }
  
      @Test
      public void testSqlGivenNonEmptyClause() {
          assertEquals("select e from Ent e where (e.field=1)",
                  SelectBuilder.getSql(Ent.class, "(e.field=1)"));
      }
  
      @Test
      public void testSqlGivenEmptyClause() {
          assertEquals("select e from Ent e", SelectBuilder.getSql(Ent.class, ""));
      }
  
      @Test
      public void testClauseGenerationStringEquals() {
          assertEquals("(e.field = :_p1)", builder(g.eq("hello")).getClause());
      }
  
      // TODO do the other tests
  
      /*********************/
  
      /** Utility Methods **/
     /*********************/
 
     private static class Ent implements Entity<Ent> {
 
         @Override
         public Serializable getId() {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public String uniqueId() {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public Ent signal(Event<Ent> event) {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public Ent signal(Event<Ent> event, Duration delay) {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public Ent event(Event<Ent> event) {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public EntityHelper helper() {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public Ent signal(Event<Ent> event, long time) {
             // TODO Auto-generated method stub
             return null;
         }
 
     }
 }