Hi, 

On Wednesday, 3 July 2013 at 2:08 PM, Dieter Adriaenssens wrote:
2013/7/3 Ayush Chaudhary <ayushchd@gmail.com>:
Hi,

Is there a reason why validation.lib.php is not a class with public static
method? Is it okay to convert it to a class with all methods' access
specifier as public static?

Did you mean the PMA_SQLValidator class in
libraries/sqlvalidator.class.php? I didn't find a validation.lib.php,
or something similar, in the PMA codebase, that contains a class.
(libraries/config/validate.lib.php doesn't contain a class)

Sorry for not being clear. I was referring to the library libraries/config/validate.lib.php. I am currently writing tests for libraries/config/FormDisplay.class.php, and there are numerous calls to functions from validate.lib.php which cannot be mocked because they are not contained in a class. Also, the same issue holds for libraries/config/FormDisplay.tpl.php

Assuming you mean PMA_SQLValidator, this is not a static class, ie. it
has to be instanciated (= turned into an object), so it can't have
static methods. [1]
To use (or test) this class, you have to create an instance and call
the methods from that instance, fe.

$validator = new PMA_SQLValidator();

$validator->start();

(see libraries/sqlvalidator.lib.php for an example on how to
instanciate and use the PMA_SQLValidator class)

BTW : Testing a class instance can sometimes be tricky, especially if
it communicates with, or uses another class. If this is the case, you
will have to use Mock objects [0] and Stubs to simulate the expected
behaviour of the other class.

I wanted to use mocking and just set expectations with parameters, but that won't be possible unless these libraries are converted to classes 
I hope this helps.

[0] http://phpunit.de/manual/3.0/en/mock-objects.html
[1] explanation of instances and static members. It's explained for
Java so the syntax doesn't match 100% with PHP, but the concept is
analogous : http://docs.oracle.com/javase/tutorial/java/javaOO/classvars.html

Kind regards,

Dieter


--
Ayush Chaudhary


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Kind regards,

Dieter Adriaenssens

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Thanks,
Ayush