How to write PHPT tests

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Scott MacVicar

Technology

Writing PHP Tests
PHPNW TestFest 2009

Wednesday, 27 May 2009

Goals

Increase test coverage in PHP

Win an elePHPant

Have Fun

Beat London

Cheat if we have to

Wednesday, 27 May 2009

Preparation

Grab gcc, autotools, flex-old,
bison

Make your directory ~/testfest

Wednesday, 27 May 2009

Snapshot

CVS Checkout

Snapshot (snaps.php.net)

Windows Snapshot
(windows.php.net/snapshots/)

Wednesday, 27 May 2009

Windows

run-tests.php

PHP 5.3 http://short.ie/yui3db

PHP 5.2 http://short.ie/zm5vwb

Relax

Wednesday, 27 May 2009

Building

cd ~/testfest

./configure --disable-all --enable-spl

make / make -j3

Wednesday, 27 May 2009

Checking it worked

sapi/cli/php -v

make test (takes a while)

Submit a report

Wednesday, 27 May 2009

Running Selective
Tests

run run-tests.php manually

set TEST_PHP_EXECUTABLE

Wednesday, 27 May 2009

What makes a phpt?

Small Collection of PHP Scripts

Separated by section markers

TEST, FILE, EXPECT

Wednesday, 27 May 2009

phpt bits
--TEST--

Description of the test

--FILE--

Contents is passed to PHP

--EXPECT--

The expected output

Wednesday, 27 May 2009

Other sections

--CREDITS--

--SKIPIF--

--EXPECTF--

Wednesday, 27 May 2009

SPL

Standard PHP Library

Solves Common Problems

Data structures, algorithms,
iterators

Wednesday, 27 May 2009

SPL Documentation

http://php.net/~helly/

http://uk2.php.net/spl

Wednesday, 27 May 2009

Our Goals

Write a simple basic test

Write a test for SPLFixedArray,
SPLDoublyLinkedList

Look at some iterator tests

Wednesday, 27 May 2009

SVN Checkout

SVN Command Line

Tortoise SVN

Versions on OSX

http://testfest.php.net/repos/
testfest/NorthWestUG/

Wednesday, 27 May 2009

Run test
SVN: http://testfest.php.net/repos/
testfest/NorthWestUG/

Linux: export TEST_PHP_EXECUTABLE=/path/
to/checkout/sapi/cli/php

Windows: set TEST_PHP_EXECUTABLE=c:path
tophp.exe

php run-tests.php /path/to/svntestfest/
ext/spl/tests

Wednesday, 27 May 2009

URLs

http://qa.php.net/
phpt_details.php

http://qa.php.net/write-test.php

http://uk.php.net/spl

Wednesday, 27 May 2009

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How to write PHPT tests

1. Writing PHP Tests PHPNW TestFest 2009 Wednesday, 27 May 2009

2. Goals Increase test coverage in PHP Win an elePHPant Have Fun Beat London Cheat if we have to Wednesday, 27 May 2009

3. Preparation Grab gcc, autotools, flex-old, bison Make your directory ~/testfest Wednesday, 27 May 2009

4. Snapshot CVS Checkout Snapshot (snaps.php.net) Windows Snapshot (windows.php.net/snapshots/) Wednesday, 27 May 2009

5. Windows run-tests.php PHP 5.3 http://short.ie/yui3db PHP 5.2 http://short.ie/zm5vwb Relax Wednesday, 27 May 2009

6. Building cd ~/testfest ./configure --disable-all --enable-spl make / make -j3 Wednesday, 27 May 2009

7. Checking it worked sapi/cli/php -v make test (takes a while) Submit a report Wednesday, 27 May 2009

8. Running Selective Tests run run-tests.php manually set TEST_PHP_EXECUTABLE Wednesday, 27 May 2009

9. Demo Wednesday, 27 May 2009

10. What makes a phpt? Small Collection of PHP Scripts Separated by section markers TEST, FILE, EXPECT Wednesday, 27 May 2009

11. phpt bits --TEST-- Description of the test --FILE-- Contents is passed to PHP --EXPECT-- The expected output Wednesday, 27 May 2009

12. A simple phpt Wednesday, 27 May 2009

13. Other sections --CREDITS-- --SKIPIF-- --EXPECTF-- Wednesday, 27 May 2009

14. Sample Test Wednesday, 27 May 2009

15. SPL Standard PHP Library Solves Common Problems Data structures, algorithms, iterators Wednesday, 27 May 2009

16. SPL Documentation http://php.net/~helly/ http://uk2.php.net/spl Wednesday, 27 May 2009

17. Our Goals Write a simple basic test Write a test for SPLFixedArray, SPLDoublyLinkedList Look at some iterator tests Wednesday, 27 May 2009

18. SVN Checkout SVN Command Line Tortoise SVN Versions on OSX http://testfest.php.net/repos/ testfest/NorthWestUG/ Wednesday, 27 May 2009

19. Run test SVN: http://testfest.php.net/repos/ testfest/NorthWestUG/ Linux: export TEST_PHP_EXECUTABLE=/path/ to/checkout/sapi/cli/php Windows: set TEST_PHP_EXECUTABLE=c:path tophp.exe php run-tests.php /path/to/svntestfest/ ext/spl/tests Wednesday, 27 May 2009

20. URLs http://qa.php.net/ phpt_details.php http://qa.php.net/write-test.php http://uk.php.net/spl Wednesday, 27 May 2009

How to write PHPT tests

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