[Rails-devel] RE: First test case

[Erik V. <eri...@hc...>]

In a previous attempt to send this to the list with a zip file,
the mail was refused because of that.
So this time the zip is omitted, but Brett should have got it.

Erik.


> -----Original Message-----
> From: Erik Vos [mailto:eri...@hc...] 
> Sent: 27 February 2005 20:26
> To: 'rai...@li...'; 'Brett Lentz'
> Subject: First test case
> 
> OK, I've created some testable stuff.
> Not sure how to deliver this, I'm copying this directly to Brett 
> in case attachments will not reach the list.
> 
> This zip file contains 4 classes:
> * StockPrice - new, represents one square (or whatever) on a 
> stock chart, and its properties (colour, ledge etc.)
> * StockChart - new, has all the squares and does the basic 
> movements (moveRightOrUp, moveUp etc.),
> * StockMarket - updated. My preference is to let this class 
> have methods for the high-level 
> actions that affect the price: Payout, Withhold, SoldOut (end 
> of SR), Sell (n shares).
> Of course for 1830 etc. the mapping from high to low level 
> (e.g. payOut() vs. moveRightOrUp())
> is 1-to-1, but that is not so in some other games. E.g. in 
> 1835 the price gets down only
> one square, independent of the number of shares sold. And in 
> 1 and 2.5 dimensional
> stock markets the mapping will be even more different. 
> StockMarket would be responsible for this mapping.
> * StockMarketTestServlet - will display the 1830 stock 
> market, and allow movements for 1 company
> (I chose the PRR, starting at 67). Press the buttons to see 
> the effects.
> 
> You'll need a servlet runner to play with this. I use Apache Tomcat.
> The full class name is game.test.StockMarketTestServlet.
> 
> In addition, StockChart has a main() method so that it can be 
> run stand-alone;
> it displays the 1830 stock market but that's all yo can do on 
> the command line.
> I run it with "java -classpath /projects/rails/18xx game.StockChart".
> 
> Another nice-to-have would be a StockMarketTestApplet, but 
> maybe there are more UI-savvy
> people around here who can make applets a lot faster than I could.
> I would rather like to continue with including different companies 
> and to implement features for other games (ledge, 
> company-closing squares, game-end square etc.).
> 
> Other included files are:
> * 1830market.xml - an XML file that defines the StockChart, 
> which reads it at instantiation time.
> Format is provisional, of course, but it's a start.
> * 18xx.css - a stylesheet for the stockmarket.
> * testservlet.properties - defines URL prefixes for the 
> servlet and the stylesheet.
> 
> Of course this all just a proposal at this stage.
> 
> One architectural question I already face now is whether or not
> we will have one central XML definition file, or one per 
> class that needs to be initialized.
> The former looks best, but poses the problem how to organise 
> parsing it.
> I suppose we could have one class doing the SAX parse() call, 
> and have the primary
> callback methods, which could, depending on its state, call 
> (static) methods in the classes 
> that need to be initialised by the XML.
> 
> Erik.
> 
> 
>