dockerize your unit tests for faster feedback
TRANSCRIPT
DOCKERIZE YOUR UNIT TESTS FOR FASTER FEEDBACKLet’s speed up your tests!
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Michelangelo van Dam
‣ Pro PHP consultant at in2it ‣ President of PHPBenelux ‣ Open-Source contributor ‣ Conference Speaker ‣ ZCE and ZF-CE
in itPROFESSIONAL PHP SERVICES
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PHPUNIT
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EXTRAS TO RUN PHPUNIT
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‣ Command-line? ‣ Run from IDE? ‣ Test server? ‣ Jenkins, TeamCity, Bamboo? ‣ Vagrant? ‣ Docker?
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DRAWBACKS
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‣ Takes long time for many tests ‣ Environment not always ready for testing ‣ Tests don’t provide good feedback
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SYSTEM FAILURES
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‣ Memory Exhausted ‣ Disk full ‣ No network or network latency ‣ Systems crash
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DOCKER
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WHAT IS DOCKER?
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‣ Technology platform ‣ Run processes in separate containers ‣ Scales fast and seemlessly ‣ Containers are easy shippable ‣ Best next thing since sliced bread
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DOCKER USAGE
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‣ Mimic distributed architectures ‣ Isolate applications ‣ Run single purpose commands
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RUN THEM ALL
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USING @GROUP
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for i in `./vendor/bin/phpunit --list-groups | grep "^ -" | awk {'print $2'}`; do ./vendor/bin/phpunit --group $i; done;
SHIP IT WITH DOCKER!!!
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docker run -ti --rm -v "$PWD":/usr/src/myapp -w /usr/src/myapp php:7.0-cli ./vendor/bin/phpunit
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https://www.gnu.org/software/parallel/
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for i in `./vendor/bin/phpunit —list-groups | grep "^ -“ | awk {'print $2'}`; do echo $i; done | /usr/local/bin/parallel docker run -v "$PWD":/usr/src/myapp -w /usr/src/myapp php:7.0-cli ./vendor/bin/phpunit --log-junit=build/junit-{}.xml --group {}
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for i in `./vendor/bin/phpunit —list-groups | grep "^ -“ | awk {'print $2'}`; do echo $i; done | time /usr/local/bin/parallel docker run -d -v "$PWD":/usr/src/myapp -w /usr/src/myapp php:7.0-cli ./vendor/bin/phpunit --log-junit=build/junit-{}.xml --group {}
WHERE ARE MY FAILURES?
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for i in `./vendor/bin/phpunit --list-groups | grep "^ -" | awk {'print $2'}`; do echo $i; done | time parallel docker run -d -v "$PWD":/var/run/phpunit -w /var/run/phpunit --name pu-docker-{} php:7.0-cli /var/run/phpunit/vendor/bin/phpunit --group {} && for i in `./vendor/bin/phpunit --list-groups | grep "^ -" | awk {'print $2'}`; do docker wait pu-docker-$i | grep -c 0 > /dev/null || docker logs pu-docker-$i && docker rm -f pu-docker-$i > /dev/null; done;
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‣ loop over our @group list entries ‣ run these in docker (daemonized)
‣ loop over our @group list entries ‣ fetch the exit status of phpunit from the containers ‣ if not 0 -> show us the failure
#FTW #PARTY #AWESOME
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OTHER SCENARIOS
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‣ Test on different PHP versions ‣ Test separation based on TestSuite, Directory, … ‣ Testing long running integration tests separately ‣ Resilience testing
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QUESTIONS
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