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The following will be soon possible to do in Delta Shell:

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After running the script, a new time series is created and then added to the project. Then it is opened in the view.

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Maybe this is the way we should write our integration tests in the future . It stimulates to have a well designed API. For example I immediately think that adding items to the project and opening them in the gui can be simplified (KISS principle), e.g.:

# create water depth time series, add it to the project and open it in the gui

waterDepth = TimeSeries.Create[float](Name = "water depth") # maybe we don't need a TimeSeries as a type?

waterDepth[DateTime(2009, 1, 1)] = 0.1
waterDepth[DateTime(2009, 1, 2)] = 0.2
waterDepth[DateTime(2009, 1, 3)] = 0.5
waterDepth[DateTime(2009, 1, 4)] = 0.3
waterDepth[DateTime(2009, 1, 5)] = 0.4
waterDepth[DateTime(2009, 1, 6)] = 0.1

CurrentProject.Add(waterDepth)

Gui.OpenView(waterDepth)

What is important is to be consistent in the API and to know that it must be stabilized asap, if people start using it - it will be hard to change it. Here are a good tips about it:

How to Design a Good API and Why it Matters by Joshua Bloch

See original including video presentation here: http://www.infoq.com/articles/API-Design-Joshua-Bloch

All programmers are API designers. Good programs are modular, and intermodular boundaries define APIs. Good modules get reused.

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