public void RenderNullPredicate()
{
Column column = new Column("Column1");
NullPredicate nullPredicate = new NullPredicate(column);
Assert.AreEqual("[Column1] IS NULL", sqlClientRenderer.Render(nullPredicate));
}
public void RenderNullPredicateWithNotModifier()
{
Column column = new Column("Column1");
NotModifier notModifier = new NotModifier();
NullPredicate nullPredicate = new NullPredicate(column, notModifier);
Assert.AreEqual("[Column1] IS NOT NULL", sqlClientRenderer.Render(nullPredicate));
}
public void CreateNullPredicate()
{
Column column = new Column("Column1");
NullPredicate nullPredicate = new NullPredicate(column);
Assert.AreEqual(column, nullPredicate.Expression);
Assert.IsNull(nullPredicate.NotModifier);
}
public void CreateNullPredicateWithNotModifier()
{
Column column = new Column("Column1");
NotModifier notModifier = new NotModifier();
NullPredicate nullPredicate = new NullPredicate(column, notModifier);
Assert.AreEqual(nullPredicate.Expression, column);
Assert.AreEqual(notModifier, nullPredicate.NotModifier);
}
public override string Render(NullPredicate nullPredicate)
{
StringBuilder text = new StringBuilder();
text.AppendFormat("{0} IS ", nullPredicate.Expression.Render(this));
if (nullPredicate.NotModifier != null)
{
text.AppendFormat("{0} ", nullPredicate.NotModifier.Render(this));
}
text.Append("NULL ");
return(text.ToString().Trim());
}
public void SetUp()
{
_rows = new List <Row>();
_column = new ColumnBuilder().Build();
_predicate = new NullPredicate();
}
public abstract string Render(NullPredicate nullPredicate);
