public void Should_Plan_Correct_Retrieval_At_6_53_AM()
{
var temperature = new Mock <ITemperature>().Object;
var dateTime = new DateTime(2016, 5, 16, 6, 53, 0);
var timeSpan = RetrievalPlanner.Next(temperature, dateTime);
Assert.AreEqual(TimeSpan.Zero, timeSpan);
}
public void Should_Plan_Correct_Retrieval_Before_6_00_AM()
{
var temperature = new Mock <ITemperature>().Object;
var dateTime = new DateTime(2016, 5, 16, 5, 00, 0);
var timeSpan = RetrievalPlanner.Next(temperature, dateTime);
Assert.AreEqual(TimeSpan.FromMinutes(60 + 53), timeSpan);
}
public void Should_Plan_Correct_Retrieval_At_6_54_AM_With_Temperature_From_Last_Day()
{
var temperature = new Mock <ITemperature>();
temperature.Setup(x => x.MeasuredAt).Returns(new DateTime(2016, 5, 15, 16, 52, 0));
var dateTime = new DateTime(2016, 5, 16, 6, 54, 0);
var timeSpan = RetrievalPlanner.Next(temperature.Object, dateTime);
Assert.AreEqual(TimeSpan.Zero, timeSpan);
}
public void Should_Plan_Correct_Retrieval_At_20_00_PM()
{
var temperatureMock = new Mock <ITemperature>();
temperatureMock.Setup(x => x.MeasuredAt).Returns(new DateTime(2016, 5, 16, 16, 52, 0));
var temperature = temperatureMock.Object;
var dateTime = new DateTime(2016, 5, 16, 20, 00, 0);
var timeSpan = RetrievalPlanner.Next(temperature, dateTime);
Assert.AreEqual(TimeSpan.FromHours(10).Add(TimeSpan.FromMinutes(53)), timeSpan);
}
protected override TimeSpan PlanNextExecution() {
if (LastExecution == default(DateTime)) {
return TimeSpan.Zero;
}
var lastTemperature = CreateContext().GetLastTemperature();
var next = RetrievalPlanner.Next(lastTemperature, DateTime.Now);
// min delay protection
if (DateTime.Now.Add(next) < LastExecution.Add(MinDelay)) {
return MinDelay;
}
return next;
}
public void Should_Plan_Correct_Retrieval_When_No_Temperature_Is_Passed()
{
var timeSpan = RetrievalPlanner.Next(null, DateTime.Now);
Assert.AreEqual(TimeSpan.Zero, timeSpan);
}
