public void Stage1_ThrowsWhenNotOnQueryField()
{
visitor = new BoostMethodCallTreeVisitor(1);
var methodInfo = ReflectionUtility.GetMethod(() => LuceneMethods.Boost<string>(null, 0f));
// "hello".Boost(5.5)
var expr = Expression.Call(methodInfo, Expression.Constant("hello"), Expression.Constant(5.5f));
TestDelegate call = () => visitor.VisitExpression(expr);
Assert.That(call, Throws.InstanceOf<NotSupportedException>());
}
public void Stage1_Transform()
{
visitor = new BoostMethodCallTreeVisitor(1);
var methodInfo = ReflectionUtility.GetMethod(() => false.Boost(0f));
var fieldExpression = new LuceneQueryFieldExpression(typeof(string), "Name");
var query = new LuceneQueryPredicateExpression(fieldExpression, Expression.Constant("foo"), BooleanClause.Occur.SHOULD);
const float boostAmount = 0.5f;
// (LuceneQuery[Default](+Name:"foo")).Boost(0.5f)
var call = Expression.Call(methodInfo, query, Expression.Constant(boostAmount));
var result = visitor.VisitExpression(call);
Assert.That(result, Is.SameAs(query));
Assert.That(((LuceneQueryPredicateExpression)result).Boost, Is.EqualTo(boostAmount));
}
public void SetUp()
{
visitor = new BoostMethodCallTreeVisitor(0);
}