Test Driven Development for PLSQL with utPLSQL v3

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Slides from presentation on Unit Testing and Test Driven Development for Oacle SQL and PLSQL using utPLSQL v3 framework.

utPLSQL v3
Ultimate Unit Testing framework for Oracle
Jacek Gębal
twitter: @GebalJacek
mail: jgebal@gmail.com
blog: oraclethoughts.com
Senior Data Engineer Developer
@Fidelity Investments - Ireland
co-author of: utPLSQL v3

The Unit Test
● Simple
● Repeatable
● Automated
● Isolated from other tests
● Tests one behavior
● Living documentation
● Developer’s responsibility

● Professional product delivery
● Meets requirement
● Delivered on time
● Easy to build
● Maintainable
● Safe to change
Why should I
care?

What to test in
database?
● Logic
● Structure
● State

Why utPLSQL v3?
● open-source
● free
● complete
● unit tested
● IDE independent
● transportable
● pure PL/SQL
● CI/CD oriented
● extendable

Getting started
unit testing as part of software delivery lifecycle

Test Driven Development
● write a test
● make it fail
● keep it simple
● tests are examples
● tests become
documentation
● get to green fast
● take baby steps
● stuck?
undo and start over
● write only enough
code to pass the test
● remove duplication
(in code and tests)
● rename and clean up
● run tests and stay green
● change implementation,
not behavior
● improve structure
in small steps
RED GREEN
REFACTOR

Run all tests
after every single change

demo

utPLSQL v3 recap
● pure PL/SQL
● test configuration - annotations
● run configuration - invocation parameters
● flexible run scope
● hierarchical test structure
● several reporters
● test expectations on complex data-types
● multiple matchers
● automatic test isolation
● CI/CD with command-line utPLSQL-cli

resources
Documentation: http://utplsql.org/utPLSQL/
Cheat-sheet: https://www.cheatography.com/jgebal/cheat-sheets/utplsql-v3/#downloads
Sources: https://github.com/utPLSQL/utPLSQL
Demo project: https://github.com/utPLSQL/utPLSQL-demo-project
Sonar: https://sonarcloud.io/dashboard?id=utPLSQL%3AutPLSQL-demo-project%3Adevelop
Twitter: #utplsql, @utplsql

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Test Driven Development for PLSQL with utPLSQL v3

1. utPLSQL v3 Ultimate Unit Testing framework for Oracle Jacek Gębal twitter: @GebalJacek mail: jgebal@gmail.com blog: oraclethoughts.com Senior Data Engineer Developer @Fidelity Investments - Ireland co-author of: utPLSQL v3

2. The Unit Test ● Simple ● Repeatable ● Automated ● Isolated from other tests ● Tests one behavior ● Living documentation ● Developer’s responsibility

3. ● Professional product delivery ● Meets requirement ● Delivered on time ● Easy to build ● Maintainable ● Safe to change Why should I care?

4. What to test in database? ● Logic ● Structure ● State

5. Why utPLSQL v3? ● open-source ● free ● complete ● unit tested ● IDE independent ● transportable ● pure PL/SQL ● CI/CD oriented ● extendable

6. Getting started unit testing as part of software delivery lifecycle

7. Test Driven Development ● write a test ● make it fail ● keep it simple ● tests are examples ● tests become documentation ● get to green fast ● take baby steps ● stuck? undo and start over ● write only enough code to pass the test ● remove duplication (in code and tests) ● rename and clean up ● run tests and stay green ● change implementation, not behavior ● improve structure in small steps RED GREEN REFACTOR

8. Run all tests after every single change

10. utPLSQL v3 recap ● pure PL/SQL ● test configuration - annotations ● run configuration - invocation parameters ● flexible run scope ● hierarchical test structure ● several reporters ● test expectations on complex data-types ● multiple matchers ● automatic test isolation ● CI/CD with command-line utPLSQL-cli

11. resources Documentation: http://utplsql.org/utPLSQL/ Cheat-sheet: https://www.cheatography.com/jgebal/cheat-sheets/utplsql-v3/#downloads Sources: https://github.com/utPLSQL/utPLSQL Demo project: https://github.com/utPLSQL/utPLSQL-demo-project Sonar: https://sonarcloud.io/dashboard?id=utPLSQL%3AutPLSQL-demo-project%3Adevelop Twitter: #utplsql, @utplsql