Continuous Integration with Jenkins

Continuous Integration with Jenkins Sebastian BergmannIPC Spring 2011 – May 31st 2011 sharing experience

Sebasti a n sharing experience

Crucial Practices of Agile Programmers Continuous Integration Test-Driven Development Constant Design Improvement Coding Standard This slide contains material by Jeff Langr and Tim Ottinger Collective Code Ownership Simple Design System Metaphor Pair Programming sharing experience

What this means in practice ... Original authorship is immaterial Anyone can modify any code at any time The team adheres to a coding standard Abundant automated tests create confidence This slide contains material by Jeff Langr and Tim Ottinger Version control provides insurance sharing experience

Continuous IntegrationFor each change set – run the tests – analyse the source code – generate documentation – build a package – ... sharing experience

sharing experience

The Value of Continuous Integration Reduce risks Reduce repetitive processes Prevent low internal software quality Generate deployable software Enable better project visibility This slide contains material by Paul M. Duvall Establish greater project confidence sharing experience

sharing experience

How much code do we have?sb@thinkpad bankaccount % phploc --count-tests .phploc 1.6.1 by Sebastian Bergmann.Directories: 13Files: 39Lines of Code (LOC): 1330 Cyclomatic Complexity / Lines of Code: 0.04Executable Lines of Code (ELOC): 697Comment Lines of Code (CLOC): 214Non-Comment Lines of Code (NCLOC): 1116Namespaces: 0Interfaces: 1Classes: 20 Abstract: 1 (5.00%) Concrete: 19 (95.00%) Average Class Length (NCLOC): 51Methods: 34 Scope: Non-Static: 34 (100.00%) Static: 0 (0.00%) Visibility: Public: 23 (67.65%) Non-Public: 11 (32.35%) Average Method Length (NCLOC): 30 Cyclomatic Complexity / Number of Methods: 1.68Anonymous Functions: 1Functions: 0Constants: 0 Global constants: 0 Class constants: 0Tests: Classes: 16 Methods: 40 sharing experience

How is the code structured?sb@thinkpad bankaccount % pdepend --overview-pyramid=pyramid.svg src sharing experience

Automatically find “interesting” codesb@thinkpad bankaccount % phpcs --standard=CodeReview --extensions=php --report=source src sharing experience

Automatically find “interesting” codesb@thinkpad ~ % phpcs --standard=CodeReview --extensions=php --report=source typo3-4.4.2PHP CODE SNIFFER VIOLATION SOURCE SUMMARY--------------------------------------------------------------------------------STANDARD CATEGORY SNIFF COUNT--------------------------------------------------------------------------------Generic PHP No silenced errors 1055Generic Metrics Cyclomatic complexity 746Generic Code analysis Unused function parameter 624Generic Metrics Nesting level 299Generic Code analysis For loop with test function call 76Generic Code analysis Empty statement 64Generic Code analysis Useless overriding method 7Generic Code analysis Jumbled incrementer 3Generic Code analysis Unconditional if statement 3Generic Code analysis For loop should be while loop 1--------------------------------------------------------------------------------A TOTAL OF 2878 SNIFF VIOLATION(S) WERE FOUND IN 10 SOURCE(S)-------------------------------------------------------------------------------- sharing experience

Automatically find “interesting” codesb@thinkpad ~ % phpcs --standard=CodeReview --extensions=php typo3-4.4.2FILE: /home/sb/typo3/index.php--------------------------------------------------------------------------------FOUND 0 ERROR(S) AFFECTING 2 LINE(S)-------------------------------------------------------------------------------- 57 | WARNING | Silencing errors is discouraged 59 | WARNING | Silencing errors is discouraged--------------------------------------------------------------------------------FILE: .../sb/typo3/t3lib/cache/backend/class.t3lib_cache_backend_filebackend.php--------------------------------------------------------------------------------FOUND 1 ERROR(S) AFFECTING 4 LINE(S)-------------------------------------------------------------------------------- 89 | ERROR | Empty CATCH statement detected 105 | WARNING | Functions cyclomatic complexity (17) exceeds 10; consider | | refactoring the function 327 | WARNING | Avoid function calls in a FOR loop test part 358 | WARNING | Avoid function calls in a FOR loop test part--------------------------------------------------------------------------------... sharing experience

Automatically find “interesting” codesb@thinkpad ~ % phpmd typo3-4.4.2 text codesize,design,naming,unusedcodet3lib/class.t3lib_sqlengine.php:104 This class has a bunch of public methods and attributest3lib/class.t3lib_sqlengine.php:104 This class has too many methods, consider refactoring it.t3lib/class.t3lib_sqlengine.php:104 This class t3lib_sqlengine has an overall complexity of 105 which is very high. The configured complexity threshold is 50.t3lib/class.t3lib_sqlengine.php:126 Avoid unused parameters such as $config.t3lib/class.t3lib_sqlengine.php:126 Avoid unused parameters such as $pObj.t3lib/class.t3lib_sqlengine.php:150 The method processAccordingToConfig() has a Cyclomatic Complexity of 15.t3lib/class.t3lib_sqlengine.php:227 Avoid unused local variables such as $options.t3lib/class.t3lib_sqlengine.php:383 Avoid unused parameters such as $select_fields.t3lib/class.t3lib_sqlengine.php:383 Avoid unused parameters such as $groupBy.t3lib/class.t3lib_sqlengine.php:383 Avoid unused parameters such as $orderBy.t3lib/class.t3lib_sqlengine.php:383 Avoid unused parameters such as $limit.t3lib/class.t3lib_sqlengine.php:426 Avoid unused parameters such as $query.t3lib/class.t3lib_sqlengine.php:502 Avoid unused parameters such as $tableName.t3lib/class.t3lib_sqlengine.php:513 Avoid unused parameters such as $tableName.t3lib/class.t3lib_sqlengine.php:629 The method select_evalSingle() has a Cyclomatic Complexity of 38.t3lib/class.t3lib_sqlengine.php:629 The method select_evalSingle() has an NPath complexity of 3980.t3lib/class.t3lib_sqlengine.php:629 Avoid really long methods.t3lib/class.t3lib_sqlengine.php:835 Avoid excessively long variable names like $TYPO3_DBAL_handlerType... sharing experience

Automatically find duplicated codesb@thinkpad ~ % phpcpd typo3-4.4.2phpcpd 1.3.2 by Sebastian Bergmann.Found 80 exact clones with 3415 duplicated lines in 82 files: - t3lib/class.t3lib_fullsearch.php:800-814 t3lib/class.t3lib_querygenerator.php:1409-1423 - t3lib/class.t3lib_tceforms.php:2210-2216 t3lib/class.t3lib_tceforms.php:2322-2328 - typo3/file_edit.php:99-115 typo3/file_rename.php:110-126...0.93% duplicated lines out of 365956 total lines of code.Time: 01:28, Memory: 359.00Mb sharing experience

Quality Assurance Tools for PHP sharing experience

sharing experience

Step by Step Build Automation Continuous Integration Continuous Inspection Continuous Improvement Continuous Deployment sharing experience

Continuous Integration of PHP Projects Jenkins http://jenkins-ci.org/ Template for Jenkins Jobs for PHP Projects – http://jenkins-php.org/ PHP Project Wizard (PPW) – On GitHub, linked from http://jenkins-php.org/ sharing experience

Continuous Integration of PHP Projects Demo Time! sharing experience

The End Web: http://thePHP.cc/ http://sebastian-bergmann.de/ Mail: sebastian@thePHP.cc Twitter: @s_bergmann Slides: http://talks.thePHP.cc/ sharing experience

http://www.dev-talk.info	93
http://www.phpblogstars.de	14
http://www.slideshare.net	11
http://paper.li	6
url_unknown	4
http://static.slidesharecdn.com	1
http://localhost:8888	1
http://www.ofelio.com	1

Continuous Integration with Jenkins

by Sebastian Bergmann on May 31, 2011

Accessibility

Categories

Tags

Upload Details

Usage Rights

8 Embeds 131

Statistics

Continuous Integration with Jenkins — Presentation Transcript