Tag Archives: spreadsheet

Tests from a Hat

How does the order of tests affect the design of software? A game to explore that idea. Continue reading

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Fit Spreadsheet – Output

Starting Fit To use fit, you create a web page that has tables in it; the tables specify tests. (There are other options but that is easiest.) In this case, I'm using Microsoft Word™ and saving the file in HTML … Continue reading

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Fit Spreadsheet

Ward Cunningham has created an acceptance testing framework known as fit. (See http://fit.c2.com for more details.) In this brief experiment, we’ll use tests to help specify a simple spreadsheet for strings. Continue reading

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Test-First Challenge

This exercise offers you a chance to practice test-first through a series of challenges. Each challenge provides a set of tests. Your job is to write code that supports the tests. Continue reading

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Acceptance Test Mechanisms

An acceptance test is a test that the user defines, to tell whether the system as a whole works the way the user expects. Ideally, the acceptance tests are defined before the code that implements the feature. Acceptance tests are … Continue reading

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Interface Seams: Rethinking the Spreadsheet

Spreadsheets have traditionally been based on a rectangular grid. We’ll look into simplifying formulas, and then at data structures other than a matrix. Spreadsheets often have columns specified by alphabetic labels, and numbered rows. A specific cell can be identified … Continue reading

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