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About chartcomposite [message #491428]

Wed, 14 October 2009 10:21

Eclipse User

Hello,
I want to know if there is any possiblity to test chartcomposite with Swtbot? Thank you.

Re: About chartcomposite [message #492194 is a reply to message #491428]

Mon, 19 October 2009 08:09

Eclipse User

On 14/10/09 7:51 PM, shan wrote:
> Hello,
> I want to know if there is any possiblity to test chartcomposite with
> Swtbot? Thank you.

By chartcomposite, I presume you mean the one that ships with
JFreeCharts. The answer is yes an no.

The degree of testability will depend on the kind of model that's behind
your chart. If there's no model your best bet would be to screenscrape
the canvas (pixel by pixel) to get values -- painful I know :)

By model I mean something similar to:

years = bar_chart.x_values();
population = bar_chart.y_values();

population_every_year_list = bar_chart.plot_values();

Or something like:

population_distribution_by_age = pie_graph.values();

--
Ketan
http://studios.thoughtworks.com/twist | http://twitter.com/ketanpkr

Re: About chartcomposite [message #492207 is a reply to message #492194]

Mon, 19 October 2009 09:35

Eclipse User

Yes, they are from JFreeCharts. And it is by model. In that case, can SWTBot identify those bar charts or line charts?

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