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joind.in/talk/6c2ad @SammyK #phptek For PHP Source Writing Tests Sammy Kaye Powers 2017-05-25 PHP[TEK] 2017

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joind.in/talk/6c2ad @SammyK #phptek Slides Get the joind.in/talk/6c2ad

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Thanks to our Sponsors!

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joind.in/talk/6c2ad @SammyK #phptek PHP Internals This is a talk

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Write more TESTS!

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joind.in/talk/6c2ad @SammyK #phptek Unit tests?

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joind.in/talk/6c2ad @SammyK #phptek @dhh “TDD is dead.” http://david.heinemeierhansson.com/2014/tdd-is-dead-long-live-testing.html

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joind.in/talk/6c2ad @SammyK #phptek

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joind.in/talk/6c2ad @SammyK #phptek Integration tests? *Sort of

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joind.in/talk/6c2ad @SammyK #phptek Acceptance tests?

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joind.in/talk/6c2ad @SammyK #phptek Black-box Testing

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joind.in/talk/6c2ad @SammyK #phptek Testing …you could probably argue that it is Integration

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joind.in/talk/6c2ad @SammyK #phptek Testing …but it’s more like System

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joind.in/talk/6c2ad @SammyK #phptek Black-box Testing? What is this

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joind.in/talk/6c2ad @SammyK #phptek

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joind.in/talk/6c2ad @SammyK #phptek What is in there?

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joind.in/talk/6c2ad @SammyK #phptek Input Expected Output ✓

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joind.in/talk/6c2ad @SammyK #phptek run-tests.php

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joind.in/talk/6c2ad @SammyK #phptek .phpt Expected Hello World Output Hello World

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joind.in/talk/6c2ad @SammyK #phptek run-tests.php Development

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joind.in/talk/6c2ad @SammyK #phptek run-tests.php

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joind.in/talk/6c2ad @SammyK #phptek

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joind.in/talk/6c2ad @SammyK #phptek

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joind.in/talk/6c2ad @SammyK #phptek run-tests.php Development

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Legacy Code

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joind.in/talk/6c2ad @SammyK #phptek Files

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joind.in/talk/6c2ad @SammyK #phptek /ext/{name}/tests /Zend/tests /sapi/{name}/tests Extensions SAPI’s Zend Engine

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joind.in/talk/6c2ad @SammyK #phptek Input Output

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joind.in/talk/6c2ad @SammyK #phptek Running run-tests with

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joind.in/talk/6c2ad @SammyK #phptek 1 source code Clone the

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joind.in/talk/6c2ad @SammyK #phptek $ git clone \ [email protected]:php/php-src.git

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joind.in/talk/6c2ad @SammyK #phptek 2source Compile from

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joind.in/talk/6c2ad @SammyK #phptek $ ./buildconf

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joind.in/talk/6c2ad @SammyK #phptek $ ./configure

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joind.in/talk/6c2ad @SammyK #phptek $ ./configure \ --disable-all

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joind.in/talk/6c2ad @SammyK #phptek $ ./configure \ --enable-debug \ --enable-phpdbg \ --enable-cli \ --enable-cgi \ --with-zlib

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joind.in/talk/6c2ad @SammyK #phptek $ make

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joind.in/talk/6c2ad @SammyK #phptek

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$ sapi/cli/php --version

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joind.in/talk/6c2ad @SammyK #phptek 3tests Run the

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joind.in/talk/6c2ad @SammyK #phptek Two Ways to run tests

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joind.in/talk/6c2ad @SammyK #phptek run-tests.php Run the with… directly

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joind.in/talk/6c2ad @SammyK #phptek Run the with… the Makefile Recommended!

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Recommended!

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Recommended!

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joind.in/talk/6c2ad @SammyK #phptek Let’s Make a test!

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joind.in/talk/6c2ad @SammyK #phptek test-echo.phpt Save as… php Run from

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joind.in/talk/6c2ad @SammyK #phptek Test it! $ make test TESTS=test-echo.phpt

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joind.in/talk/6c2ad @SammyK #phptek Fail When tests

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joind.in/talk/6c2ad @SammyK #phptek Input Output Expected

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joind.in/talk/6c2ad @SammyK #phptek Output Examining the !==

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Files test-echo.out test-echo.exp test-echo.diff test-echo.log Output

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joind.in/talk/6c2ad @SammyK #phptek $ less test-echo.out Hello world Script output

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joind.in/talk/6c2ad @SammyK #phptek $ less test-echo.exp Hello Jane! --EXPECT--

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joind.in/talk/6c2ad @SammyK #phptek $ less test-echo.diff 001+ Hello world 001- Hello Jane!

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joind.in/talk/6c2ad @SammyK #phptek $ less test-echo.log ---- EXPECTED OUTPUT Hello Jane! ---- ACTUAL OUTPUT Hello world ---- FAILED

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Files test-echo.php test-echo.sh Executable

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joind.in/talk/6c2ad @SammyK #phptek test-echo.php --FILE--

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test-echo.sh

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joind.in/talk/6c2ad @SammyK #phptek Example A more complex

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joind.in/talk/6c2ad @SammyK #phptek Fails So say it

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$ less test-dt.diff 001+ Boy you know I'm from Europe/Oslo 001- Boy you know I'm from America/Chicago

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test-dt.php Executable!

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test-dt.sh

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joind.in/talk/6c2ad @SammyK #phptek Debugging $ gdb … failed tests with

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#ShamelessPlug Tomorrow @ 9:30 am in Main Ballroom Dance The An Intro To Step Debugging in

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joind.in/talk/6c2ad @SammyK #phptek Conventions Naming

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joind.in/talk/6c2ad @SammyK #phptek {function-name}_basic.phpt {function-name}_error.phpt {function-name}_variation.phpt {ext-name}{number}.phpt bug{bug-id}.phpt http://qa.php.net/write-test.php#naming-conventions

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joind.in/talk/6c2ad @SammyK #phptek Contribute How-to

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joind.in/talk/6c2ad @SammyK #phptek Tests! Add some

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gcov.php.net

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PHP_FUNCTION

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readline.c

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joind.in/talk/6c2ad @SammyK #phptek ? readline()

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joind.in/talk/6c2ad @SammyK #phptek php.net/readline

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joind.in/talk/6c2ad @SammyK #phptek Let’s Make a test!

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joind.in/talk/6c2ad @SammyK #phptek

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joind.in/talk/6c2ad @SammyK #phptek for ext/readline Find the ext/readline/tests

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joind.in/talk/6c2ad @SammyK #phptek Save as… ext/readline/tests/readline_basic.phpt

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joind.in/talk/6c2ad @SammyK #phptek $ less ext/readline/tests/readline_basic.out Fatal error: Uncaught Error: Call to undefined function readline() in /Users/SammyK/Developer/php-src/ ext/readline/tests/ readline_basic.php:2

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joind.in/talk/6c2ad @SammyK #phptek php.net/readline

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joind.in/talk/6c2ad @SammyK #phptek

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joind.in/talk/6c2ad @SammyK #phptek $ ./configure \ --enable-debug \ --enable-phpdbg \ --enable-cli \ --enable-cgi \ --with-zlib

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joind.in/talk/6c2ad @SammyK #phptek $ ./configure \ --enable-debug \ --enable-phpdbg \ --enable-cli \ --enable-cgi \ --with-zlib \ --with-readline

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joind.in/talk/6c2ad @SammyK #phptek OR

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joind.in/talk/6c2ad @SammyK #phptek $ ./configure \ --enable-debug \ --enable-phpdbg \ --enable-cli \ --enable-cgi \ --with-zlib \ --with-libedit

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joind.in/talk/6c2ad @SammyK #phptek $ less ext/readline/tests/readline_basic.out You said:

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joind.in/talk/6c2ad @SammyK #phptek readline_basic.sh Let’s try

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joind.in/talk/6c2ad @SammyK #phptek

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Now send a pull request

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joind.in/talk/6c2ad @SammyK #phptek internals contributor You’re an

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joind.in/talk/6c2ad @SammyK #phptek Shhh…. It’s a secret

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Legacy Code

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refactor github.com/SammyK/run-tests run-tests

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refactor run-tests

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wishlist * Concurrency * Unit tests * Colored output run-tests

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joind.in/talk/6c2ad @SammyK #phptek Code with me tonight! Main Ballroom during community night after +

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joind.in/talk/6c2ad @SammyK #phptek Pull Request to php-src yield by midnight ;

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THANKS! SAMMY KAYE POWERS @SammyK SammyK.me Host of @PHPRoundtable @ChiPHPUG West Coast Swing Hire me! :) /talk/6c2ad