KEEP IT SIMPLE

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Pattern summary

Use the simplest solution you can imagine.

Category

Design

Context

This pattern should be adopted for long lasting automation but also when writing disposable scripts.

Description

Use the simplest solution you can imagine. Simple solutions are easier to understand and can thus be reused more often.
Use this pattern especially when automating manual tests: often automation tools let you easily do things (like for instance getting information directly from a database) that a manual tester cannot replicate.

Implementation

One of the rules of extreme programming is simplicity, that is one should implement just what one needs now, no more and no less. The reasoning behind this rule is that mostly when you implement something because you may need it later, the later never comes up or if it does, it is completely different from what you expected so that you worked for nothing.
We have already mentioned scripting is also programming, so one should apply this rule also when automating tests.

Recommendations
If you later think of a better solution, then REFACTOR THE TESTWARE
Another pattern to use in this context is THINK OUT-OF-THE-BOX.

Issues addressed by this pattern

COMPLEX ENVIRONMENT
DATA CREEP
DATE DEPENDENCY
HARD-TO-AUTOMATE
INEFFICIENT FAILURE ANALYSIS
MANUAL MIMICRY
OBSCURE TESTS
SCRIPT CREEP

Experiences

If you have used this pattern and would like to contribute your experience to the wiki, please go to Feedback to submit your experience or comment.


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