SequenceManagerTests.cs

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// 
//  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.Configuration;
using Deveel.Data.Sql;
using Deveel.Data.Sql.Objects;
using Deveel.Data.Sql.Sequences;

using NUnit.Framework;

namespace Deveel.Data {
    [TestFixture]
    public sealed class SequenceManagerTests : ContextBasedTest {
        private ObjectName testSequenceName = ObjectName.Parse("APP.test_sequence");

        protected override IQuery CreateQuery(ISession session) {
            var query = base.CreateQuery(session);

            if (TestContext.CurrentContext.Test.Name != "CreateNormalSequence") {
                var seqInfo = new SequenceInfo(testSequenceName, new SqlNumber(0), new SqlNumber(1), new SqlNumber(0), new SqlNumber(Int64.MaxValue), 126);
                query.CreateObject(seqInfo);
            }

            return query;
        }

        [Test]
        public void CreateNormalSequence() {
            var sequenceManager = new SequenceManager(Session.Transaction);

            var sequenceName = ObjectName.Parse("APP.test_sequence");
            var seqInfo = new SequenceInfo(sequenceName, new SqlNumber(0), new SqlNumber(1), new SqlNumber(0), new SqlNumber(Int64.MaxValue), 126);

            ISequence sequence =null;
            Assert.DoesNotThrow(() => sequence = sequenceManager.CreateSequence(seqInfo));
            Assert.IsNotNull(sequence);
        }

        [Test]
        public void CreateNativeSequence() {
            var sequenceManager = new SequenceManager(Session.Transaction);

            var tableName = ObjectName.Parse("APP.test_table");
            var seqInfo = SequenceInfo.Native(tableName);

            ISequence sequence = null;
            Assert.DoesNotThrow(() => sequence = sequenceManager.CreateSequence(seqInfo));
            Assert.IsNotNull(sequence);
        }

        [Test]
        public void IncremementSequenceValue() {
            var sequenceManager = new SequenceManager(Session.Transaction);

            ISequence sequence = null;
            Assert.DoesNotThrow(() => sequence = sequenceManager.GetSequence(testSequenceName));
            Assert.IsNotNull(sequence);

            SqlNumber currentValue = SqlNumber.Null;
            Assert.DoesNotThrow(() => currentValue = sequence.NextValue());
            Assert.IsNotNull(currentValue);
            Assert.AreEqual(new SqlNumber(1), currentValue);
        }
    }
}