Testing TYPO3 - How the LRZ supports the open source project TYPO3
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This presentation shows how the open source project TYPO3 test the code base in an automated way, with focus on fast and often runs.
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Testing TYPO3 - How the LRZ supports the open source project TYPO3
- 1. TESTING TYPO3 Christian Kuhn & Frank Nägler christian.kuhn@typo3.com frank.naegler@typo3.com @lolli42 & @NeoBlack How the LRZ supports the open source project TYPO3
- 2. CHRISTIAN KUHN § TYPO3 Core Team Member since 2009 § Mostly full time core development § TYPO3 GmbH employee
- 3. FRANK NÄGLER § TYPO3 Core Team Member since 2014 § Allrounder developer § TYPO3 GmbH employee
- 5. 06.11.17 5Testing TYPO3 1. About TYPO3 2. TYPO3 GmbH 3. Automated Testing • History • Infrastructure • Test flavors 4. Live examples
- 6. ABOUT TYPO3 06.11.17 Testing TYPO3
- 7. OPEN SOURCE ENTERPRISE CONTENT MANAGEMENT SYSTEM 06.11.17 Testing TYPO3 7 TYPO3 is a PHP based content management system. The focus is on large websites with a lot of content, established workflows and a variety of editors with different access rights.
- 8. 20 YEARS CONTENT MANAGEMENT- PIONEERING WORK AND EXPERIENCE 06.11.17 Testing TYPO3 8 § Structured data § Dependency management § Multi language & domain § Extensions § Long-term support (LTS) § Prooven upgrade paths § Digital Assets Management § Fixed release cycles § …
- 9. TYPO3 IS THE LEADING INDUSTRY, UNIVERSITY AND GOVERNMENT CMS 06.11.17 Testing TYPO3 9 Customization and Flexibiltiy makes TYPO3 one of the strongest systems on the market.
- 10. WORKS MOBILE: PARKING AIRCRAFT IN DÜSSELDORF, BUY TRAIN TICKETS IN FRANCE, TV ON THE AIDA CRUISE SHIP... 06.11.17 Testing TYPO3 10 ... thanks to a flexible, stable and secure system, there is no limit to creativity. We are sometimes surprised by what is content.
- 11. THE TYPO3 PROJECT IS OFFICIALLY REPRESENTED BY THE TYPO3 ASSOCIATION 06.11.17 Testing TYPO3 11 A non-profit organization with members, consisting of agencies, freelancers, IT service providers, universities and private individuals.
- 12. AREAS OF ACTIVITY 06.11.17 Testing TYPO3 12 Budget Infrastructure Memberships Communication Marketing Certification typo3.org Events FundingSponsoring Documentation Education Security Trademarks Legal
- 13. TYPO3 GMBH 06.11.17 Testing TYPO3
- 14. 2016: TYPO3 GMBH FOUNDED WITH HEADQUARTER IN DÜSSELDORF AS A 100% SUBSIDIARY OF THE TYPO3 ASSOCIATION 06.11.17 Testing TYPO3 14
- 15. UNIQUE SERVICES IN THE OPEN SOURCE SEGMENT 06.11.17 Testing TYPO3 15 § No project business § Lead mediation § Manufacturer Service Level Agreements (SLA) § Independent project reviews § Extended long-term support (LTS + 2 years) § Partner program § Professional blogging and video creation
- 16. STRATEGIC PARTNERS 06.11.17 Testing TYPO3 16
- 18. CONSTANT INNOVATION 06.11.17 Testing TYPO3 18 § Modernizing a twenty years old codebase § Embracing existing features § Rewriting core components § Adoption of innovations
- 19. BUILD ON... 06.11.17 Testing TYPO3 19 § PHP7 & Composer § Fluid Template Engine § jQuery, RequireJS, TypeScript § Doctrine DBAL TYPO3 relies on a modern technology stack and was the first large open source project that introduced PHP7 as a minimum requirement.
- 20. WEBSERVER 06.11.17 Testing TYPO3 20 § IIS § Apache § NGINX TYPO3 runs almost everywhere, all web servers with PHP runtime support can be used.
- 21. DATABASES 06.11.17 Testing TYPO3 21 § MySQL / MariaDB § PostgreSQL § MS SQL Server The outsourcing of individual tables to other database servers is enabled by Doctrine DBAL.
- 22. 06.11.17 Testing TYPO3 22 Casual month: 52 authors have pushed 195 commits to master and 325 commits to all branches. On master, 2,320 files changed with 44,261 additions and 91,490 deletions. 444 Releases ~ 500 Contributors 24 Contributors with merge access ~ 1.500 Free extensions ABOUT CODE
- 24. TESTING TYPO3'S CORE - HISTORY 06.11.17 Testing TYPO3 24 § 2009: First unit test released with core version 4.3 § 2012: Automated test execution with Travis-CI § „always green“ rule § Positive impact on further development (e.g. bootstrap) § 2013: First functional test § 2016: First acceptance test
- 25. 06.11.17 Einführung in TYPO3 25 TIME ISSUES
- 26. TIME ISSUES 06.11.17 Testing TYPO3 26 § TYPO3‘s review process requires successful tests before merge § Developers expect and need quick feedback § Many runs on active days § Running all tests takes many hours on a single machine § Parallelization is king
- 27. “THROW MORE HARDWARE AT THE PROBLEM” 06.11.17 Testing TYPO3 27
- 28. BAMBOO TO THE RESCUE
- 29. BAMBOO TO THE RESCUE 06.11.17 Testing TYPO3 29 § Atlassian´s continuous integration solution § One master (queue manager), many remote agents § Caching of git repositories (core >300MB) § Preparation phase a couple of seconds § Testing with § 7 different PHP versions § 3 database systems
- 30. HARDWARE & DOCKER 06.11.17 Testing TYPO3 30 § Normally 80 bamboo agents, 56 CPUs, 512GB RAM § 2 Hetzner root servers § 4 to 8 LRZ open nebula machines, each with § 64 GB RAM § 8 CPUs § 10 bamboo agents § Each agent in a docker machine § Entire docker in RAM
- 34. TEST FLAVORS 06.11.17 Testing TYPO3 34
- 35. UNIT TESTS
- 36. UNIT TESTS 06.11.17 Testing TYPO3 36 § Best optimized part of the test suite § ~ 9.000 tests in 30 seconds § Executing unit tests on all supported PHP versions § Randomized order ensuring side effect free tests § The „Scheduler“-Story
- 37. FUNCTIONAL TESTS
- 38. FUNCTIONAL TESTS 06.11.17 Testing TYPO3 38 § Most expensive part of the test suite § ~ 1.200 functional tests, split up into 120 single test cases § Executed on all supported DBMS, shared between 30 agents § Each test needs its own controlled environment § Good test isolation between single tests § Suitable for complex scenarios § Shows limitations of the framework
- 39. ACCEPTANCE TESTS
- 40. ACCEPTANCE TESTS 06.11.17 Testing TYPO3 40 § Execute click through paths in browser § Testing the application as a „user“ § Needs a complex setup: § Browser (Chrome) § Selenium § Xvfb § Codeception & PHPUnit § Webserver, Database, PHP interpreter § Stable network connection § Most fragile part of the test suite
- 41. INTEGRITY TESTS
- 42. INTEGRITY TESTS 06.11.17 Testing TYPO3 42 § Testing various cross cutting concerns § Learning from previous failures § Examples: § Verify exception codes are unique § Respect coding guidelines § ReST & XLF file integrity § File path length check § Lint: PHP, TypeScript, Sass § Check file permissions § Validate composer.json
- 43. FUTURE More Tests – More Speed Better Application