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Editorial Team
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Asked: 2026-05-17T20:30:47+00:00

I am still having a issue getting over a small issue when it comes

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I am still having a issue getting over a small issue when it comes to TDD.

I need a method that will get a certain record set of filtered data from the data layer (linq2SQL). Please note that i am using the linq generated classes from that are generated from the DBML. Now the problem is that i want to write a test for this.

do i:

a) first insert the records in the test and then execute the method and test the results

b) use data that might be in the database. Not to keen on this logic cause it could cause things to break.

c) what ever you suggest?

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1 Answer

  1. Editorial Team

    You should choose option a).

    A unit test should be repeatable and has to be fully under your control. So for the test to be meaningful it is absolutely necessary that the test itself prepares the data for its execution – only this way you can rely on the test outcome.

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