VariableTests.cs

Go to the documentation of this file.

// 
//  Copyright 2010-2014 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
using System;

using Deveel.Data.Sql.Expressions;
using Deveel.Data.Sql.Variables;
using Deveel.Data.Types;

using NUnit.Framework;

namespace Deveel.Data.Sql {
    [TestFixture]
    public class VariableTests : ContextBasedTest {
        protected override void OnSetUp(string testName) {
            if (testName != "DeclareVariable")
                Query.DeclareVariable("a", PrimitiveTypes.String());

            base.OnSetUp(testName);
        }

        [Test]
        public void DeclareVariable() {
            Query.DeclareVariable("a", PrimitiveTypes.String());
        }

        [Test]
        public void GetVariable() {
            var variable = Query.FindVariable("a");

            Assert.IsNotNull(variable);
            Assert.IsInstanceOf<StringType>(variable.Type);
        }

        [Test]
        public void SetExistingVariable() {
            Query.SetVariable("a", SqlExpression.Constant("test"));

            var variable = Query.FindVariable("a");
            Assert.IsNotNull(variable);
            Assert.IsInstanceOf<StringType>(variable.Type);
            Assert.IsNotNull(variable.Value);
            Assert.IsInstanceOf<StringType>(variable.Value.Type);
        }

        [Test]
        public void SetNotExistingVariable() {
            Query.SetVariable("b", SqlExpression.Constant(23));

            var variable = Query.FindVariable("b");
            Assert.IsNotNull(variable);
            Assert.IsInstanceOf<NumericType>(variable.Type);
            Assert.IsNotNull(variable.Value);
            Assert.IsInstanceOf<NumericType>(variable.Value.Type);
        }
    }
}