public void RebindEntityToEntityIsUnchanged()
{
var source = new FakeQuery <Sample>(new FakeQueryProvider()).Select(f => f);
var rebound = ElasticFieldsProjectionExpressionVisitor.Rebind(hitParameter, "prefix", validMapping, source.Expression);
Assert.Same(source.Expression, rebound);
}
public void RebindElasticFieldsToHitProperties()
{
var source = new FakeQuery <Sample>(new FakeQueryProvider()).Select(f => ElasticFields.Score);
var rebound = ElasticFieldsProjectionExpressionVisitor.Rebind(hitParameter, "prefix", validMapping, source.Expression);
var flattened = FlatteningExpressionVisitor.Flatten(rebound);
Assert.Single(flattened.OfType <MemberExpression>(), e => e.Expression == hitParameter && e.Member.Name == "_score");
}
public void Rebind_GuardClauses()
{
Assert.Throws <ArgumentNullException>(() =>
ElasticFieldsProjectionExpressionVisitor.Rebind(null, "prefix", validMapping, Expression.Constant(1)));
Assert.Throws <ArgumentNullException>(() =>
ElasticFieldsProjectionExpressionVisitor.Rebind(hitParameter, "prefix", null, Expression.Constant(1)));
Assert.Throws <ArgumentNullException>(() =>
ElasticFieldsProjectionExpressionVisitor.Rebind(hitParameter, "prefix", validMapping, null));
}
public void RebindWithNonElasticMemberIsUnchanged()
{
var source = new FakeQuery <Sample>(new FakeQueryProvider()).Select(f => f.Name);
var rebound = ElasticFieldsProjectionExpressionVisitor.Rebind(hitParameter, "prefix", validMapping, source.Expression);
var memberExpression = FlatteningExpressionVisitor.Flatten(rebound).OfType <MemberExpression>().FirstOrDefault();
Assert.NotNull(memberExpression);
Assert.Equal(memberExpression.Member.Name, "Name");
Assert.IsAssignableFrom <ParameterExpression>(memberExpression.Expression);
Assert.Equal("f", ((ParameterExpression)memberExpression.Expression).Name);
}
public void RebindAnonymousProjectionEntityAndElasticFieldsToMaterializationAndHitProperty()
{
var source = new FakeQuery <Sample>(new FakeQueryProvider()).Select(f => new { f, ElasticFields.Score });
var rebound = ElasticFieldsProjectionExpressionVisitor.Rebind(hitParameter, "prefix", validMapping, source.Expression);
var flattened = FlatteningExpressionVisitor.Flatten(rebound);
Assert.Single(flattened.OfType <MemberExpression>(), m => m.Expression == hitParameter && m.Member.Name == "_score");
Assert.Contains(hitParameter, flattened);
var entityParameter = flattened.OfType <ParameterExpression>().FirstOrDefault(p => p.Name == "f" && p.Type == typeof(Sample));
Assert.NotNull(entityParameter);
Assert.Single(flattened.OfType <NewExpression>(), e => e.Arguments.Contains(entityParameter));
}
