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Effective Test Driven Database Development

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The document discusses best practices for testing database code including: - Running integration tests inside database transactions to make them repeatable and isolated - Preparing all necessary data for each test in the setup rather than relying on order or shared state - Having a separate database instance for each developer and the build server to allow tests to modify data - Generating SQL scripts to reduce test replication and make database operations self-contained - Using tools like DbFit that integrate with testing frameworks and allow directly manipulating and verifying database contents in tests

Technology
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Effective Test Driven Database Development ,[object Object],[object Object],[object Object]
What we'll talk about: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lots of teams struggle with Database testing... ,[object Object],[object Object],[object Object],[object Object],[object Object]
But I use an ORM tool... ,[object Object],[object Object]
If it does not fit, look for a better solution ,[object Object]
Run tests in a transaction ,[object Object],[object Object]
Running integration tests inside a transaction ,[object Object],[object Object],[object Object]
...Spring, Hibernate, FitNesse... ,[object Object],[object Object],[object Object],[object Object]
...Spring, Hibernate, FitNesse... ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
...Spring, Hibernate, FitNesse ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
If transactions are not possible... ,[object Object],[object Object],[object Object],[object Object]
Count on stuff being in the database, but not the things that you need ,[object Object],[object Object],[object Object],[object Object]
Unit tests have to run quickly ...Or people simply will not run them
Full build is the only thing you can really trust So have run full builds on a base DB and all the tests overnight
Reducing replication ,[object Object],[object Object],[object Object]
If you use an ORM tool... ,[object Object],[object Object]
DBFIT: Test Driven DB Development Made Easy FIT+FitNesse+DB Fixtures http://fitnesse.info/dbfit http://sourceforge.net/projects/dbfit
Why DbFit? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Use DbFit to: ,[object Object],[object Object],[object Object],[object Object]
Simple commands ,[object Object],[object Object],[object Object],[object Object],[object Object]
FitNesse symbols directly mapped to bind variables ,[object Object],[object Object],[object Object]
Advanced features ,[object Object],[object Object],[object Object]
Where next ,[object Object],[object Object],[object Object],[object Object],[object Object]
Image credits ,[object Object],[object Object],[object Object]

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Effective Test Driven Database Development

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  • 13. Unit tests have to run quickly ...Or people simply will not run them
  • 14. Full build is the only thing you can really trust So have run full builds on a base DB and all the tests overnight
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  • 17. DBFIT: Test Driven DB Development Made Easy FIT+FitNesse+DB Fixtures http://fitnesse.info/dbfit http://sourceforge.net/projects/dbfit
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