Introduction to Test-Driven Development

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This recorded webinar covers what TDD is, challenges that TDD may pose, and why organizations adopt TDD.
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@Aleksey1984 She explains that pretty well from 11:45 - 12:10 or thereabouts. It's been my experience that what she says about this part of writing tests is true.

Hakucho
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Well, it wasn't obvious for me that she meant GUI. I thought about an interface of a class.

GUI can (should) have it's own unit tests as well. And separating business logic from GUI is a common approach for software design, not only for tests

Aleksey
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You want the test to fail because if it doesn't it means the functionality your trying to implement is already implemented (or your test is wrong).

david
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Nice presentation, though I didn't get what is meant by "Unit tests should be written so that they are not heavily dependent on interface" (12-th minute)

Aleksey