#region License
/*
* Copyright 2002-2004 the original author or authors.
*
* 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.
*/
#endregion
using NUnit.Framework;
using Spring.Services.WindowsService.Common.Deploy;
namespace Spring.Services.WindowsService.Common.Deploy{
[TestFixture]
public class DeployEventAggregatorTest
{
DeployEventAggregator aggregator;
[SetUp]
public void SetUp ()
{
aggregator = new DeployEventAggregator();
}
[Test]
public void AdditionsAbsorbUpdates ()
{
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationUpdated));
Assert.AreEqual(DeployEventType.ApplicationAdded, aggregator.Result.EventType);
}
[Test]
public void RemovalsEliminateAdditions ()
{
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationRemoved));
Assert.AreEqual(DeployEventType.ApplicationNeverAdded, aggregator.Result.EventType);
}
[Test]
public void RemovalsEliminateAdditionsButThenCanAdd ()
{
RemovalsEliminateAdditions();
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
Assert.AreEqual(DeployEventType.ApplicationAdded, aggregator.Result.EventType);
}
[Test]
public void MultipleEventsOfTheSameTypeCollapse ()
{
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
Assert.AreEqual(DeployEventType.ApplicationAdded, aggregator.Result.EventType);
}
[Test]
public void RemovalsSupercedesUpdatesButAdditionSuperceedesThem ()
{
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationUpdated));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationRemoved));
Assert.AreEqual(DeployEventType.ApplicationRemoved, aggregator.Result.EventType);
// remove
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
Assert.AreEqual(DeployEventType.ApplicationUpdated, aggregator.Result.EventType);
}
[Test]
public void ARemovalFollowedByAnAdditionResultInAnUpdate ()
{
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationRemoved));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
Assert.AreEqual(DeployEventType.ApplicationUpdated, aggregator.Result.EventType);
}
[Test]
public void ARemovalAfterAnAdditionFrozeStateUntilASecondAddition()
{
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationUpdated));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationRemoved));
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationUpdated));
Assert.AreEqual(DeployEventType.ApplicationNone, aggregator.Result.EventType);
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationAdded));
Assert.AreEqual(DeployEventType.ApplicationAdded, aggregator.Result.EventType);
aggregator.Aggregate(new DeployEventArgs(null, DeployEventType.ApplicationUpdated));
Assert.AreEqual(DeployEventType.ApplicationAdded, aggregator.Result.EventType);
}
}
}
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