public void LiveNodes_LastUpdateMoreThanExpiryInterval_ReturnsZero()
{
// Arrange
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
var now = DateTime.Now;
stubTimeProvider.Setup(x => x.Now).Returns(now);
var dataNodeId = new DataNodeId()
{
IPAddress = "IPAddress",
HostName = "HostName",
};
sut.AddDataNode(dataNodeId);
stubTimeProvider.Setup(x => x.Now).Returns(now.AddMilliseconds(sut.HeartBeatExpireIntervalMilliseconds + 1));
// Act
var result = sut.LiveNodes;
// Assert
Assert.AreEqual(0, result);
}
public void DeadNodes_NoNodesAdded_ReturnsZero()
{
// Arrange
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
// Act
var result = sut.DeadNodes;
// Assert
Assert.AreEqual(0, result);
}
public void GetDataNodeDescriptorById_InvalidId_ReturnsNull()
{
// Arrange
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
// Act
var result = sut.GetDataNodeDescriptorById(Guid.NewGuid());
// Assert
Assert.IsNull(result);
}
public void AddDataNode_Always_ReturnsNewDataNodeID()
{
// Arrange
var dataNodeID = new DataNodeId()
{
IPAddress = "IPAddress",
HostName = "HostName",
};
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
// Act
var result = sut.AddDataNode(dataNodeID);
// Assert
Assert.IsNotNull(result);
}
public void GetRandomDataNodeId_Always_ReturnsRandomNodeId()
{
// Arrange
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
var dataNodeId = new DataNodeId()
{
IPAddress = "IPAddress",
HostName = "HostName",
};
var dataNodeGuid = sut.AddDataNode(dataNodeId);
// Act
var result = sut.GetRandomDataNodeId();
// Assert
Assert.AreEqual(dataNodeGuid, result);
}
public void GetDataNodeDescriptorById_ValidId_ReturnsCopyOfDataNodeId()
{
// Arrange
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
var dataNodeId = new DataNodeId()
{
IPAddress = "IPAddress",
HostName = "HostName",
};
var dataNodeGuid = sut.AddDataNode(dataNodeId);
// Act
var result = sut.GetDataNodeDescriptorById(dataNodeGuid);
// Assert
Assert.IsNotNull(result);
Assert.AreNotEqual(result, dataNodeId); // Validate result is a copy of the original DataNodeId object
Assert.AreEqual(dataNodeId.IPAddress, result.IPAddress);
Assert.AreEqual(dataNodeId.HostName, result.HostName);
}
public void LiveNodes_LastUpdateLessThanExpiryInterval_ReturnsOne()
{
// Arrange
var stubRandomGenerator = new Mock <IRandomGenerator>();
stubRandomGenerator.Setup(x => x.Generate(It.IsAny <int>())).Returns(0);
var stubTimeProvider = new Mock <ITimeProvider>();
stubTimeProvider.Setup(x => x.Now).Returns(DateTime.Now);
var sut = new DataNodeRepository(stubRandomGenerator.Object, stubTimeProvider.Object);
var dataNodeId = new DataNodeId()
{
IPAddress = "IPAddress",
HostName = "HostName",
};
sut.AddDataNode(dataNodeId);
// Act
var result = sut.LiveNodes;
// Assert
Assert.AreEqual(1, result);
}
