Expand string CAML queries via lambda expressions with Camlex.Net

#region Copyright(c) Alexey Sadomov, Vladimir Timashkov. All Rights Reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2010 Alexey Sadomov, Vladimir Timashkov. All Rights Reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
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//   3. If you distribute any portion of the software in source code form, you may do
//      so only under this license by including a complete copy of Microsoft Public License (Ms-PL)
//      with your distribution. If you distribute any portion of the software in compiled
//      or object code form, you may only do so under a license that complies with
//      Microsoft Public License (Ms-PL).
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//      derived from this software without specific prior written permission.
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using CamlexNET.Impl.Operations.Eq;
using CamlexNET.Impl.ReverseEngeneering.Caml.Analyzers;
using CamlexNET.Impl.ReverseEngeneering.Caml.Factories;
using NUnit.Framework;

namespace CamlexNET.UnitTests.ReverseEngeneering
{
    [TestFixture]
    public class ReUserTests
    {
        [Test]
        public void test_WHEN_type_is_user_value_and_value_is_specified_THEN_expression_is_valid()
        {
            var xml =
                "<Eq>" +
                "    <FieldRef Name=\"foo\" />" +
                "    <Value Type=\"User\">Test User</Value>" +
                "</Eq>";

            var operandBuilder = new ReOperandBuilderFromCaml();
            var analyzer = new ReEqAnalyzer(XmlHelper.Get(xml), operandBuilder);
            var operation = (EqOperation)analyzer.GetOperation();
            Assert.That(operation.ToExpression().ToString(), Is.EqualTo(
                "(x.get_Item(\"foo\") = Convert(Convert(\"Test User\")))"));
        }

        [Test]
        public void test_WHEN_type_is_user_id_and_value_is_specified_THEN_expression_is_valid()
        {
            var xml =
                "<Eq>" +
                "    <FieldRef Name=\"foo\" LookupId=\"True\" />" +
                "    <Value Type=\"User\">123</Value>" +
                "</Eq>";

            var operandBuilder = new ReOperandBuilderFromCaml();
            var analyzer = new ReEqAnalyzer(XmlHelper.Get(xml), operandBuilder);
            var operation = (EqOperation)analyzer.GetOperation();
            Assert.That(operation.ToExpression().ToString(), Is.EqualTo(
                "(x.get_Item(\"foo\") = Convert(Convert(\"123\")))"));
        }

        [Test]
        public void test_WHEN_user_id_tag_is_specified_THEN_expression_is_valid()
        {
            var xml =
                "<Eq>" +
                "    <FieldRef Name=\"foo\"/>" +
                "    <Value Type=\"Integer\"><UserID /></Value>" +
                "</Eq>";

            var operandBuilder = new ReOperandBuilderFromCaml();
            var analyzer = new ReEqAnalyzer(XmlHelper.Get(xml), operandBuilder);
            var operation = (EqOperation)analyzer.GetOperation();
            Assert.That(operation.ToExpression().ToString(), Is.EqualTo(
                "(x.get_Item(\"foo\") = Convert(Convert(Camlex.UserID)))"));
        }
    }
}